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Overview ORGANIZATION The Light Duty C/K Full Size Trucks went through a major electrical system change in 2003. This change was called a Mid Cycle Enhancement. This document will be updated only to reflect a major subsystem change until the next platform major electrical redesign. This document is believed to be correct until the next platform major design change. This document is organized as follows: Systems Operation – How it works Component Locator – Where it is Connectors & Pinouts – What it looks like, and finally, Subsystem Schematics – Detailed wiring and electrical schematic information. WHAT’S NEW FOR THE LIGHT DUTY C/K FULL SIZE TRUCKS MANUAL Detailed System Operation Instructions are provided for PTO and Fast Idle operation. Also included is information on Trailer Wiring, Exterior Lighting and the Passlock interface. This section has been expanded to have diagrams integral to the text rather than reference a separate section for graphics. Component Locator Pages have been included to show the location of major electronic modules on both the Pickup / Cab- chassis and the Utility vehicle. An Acronym an Abbreviation list used in the Electrical Component Legend, Ground Zone, and Electrical Schematic sections is included. Connector Detail and Location Illustrations are provided for many interfaces. Terminal, Cable Seal, and mating connector information have been added where appropriate. Detailed Electrical Schematics are provided for most subsystems. New LLY 6.6L engine information is added for diesel engines sold after 1/01/04. See LLY ECM Connector and Location Drawings, Engine Controls, and Transmission Schematics. The LLY 6.6L engine ECM is new for 2006. The connectors changed from a 3-way to a 2-way. Connector pin-outs and location are included in the connector section. Schematics for the ECM and affected subsystems are not included in this document. An expanded LED Turn Signal page is included in the Application Notes. SPECIAL INTEREST TO UPFITTERS MID BEC provides a convenient in-cab location for interfacing with the vehicle. 2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL 2003 & Beyond Light Duty C/K Full-Size Truck Electrical REVISED 04/2006 (continued on next page)

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Overview

ORGANIZATION

The Light Duty C/K Full Size Trucks went through a major electrical system change in 2003. This change was called a Mid CycleEnhancement. This document will be updated only to reflect a major subsystem change until the next platform major electrical redesign.This document is believed to be correct until the next platform major design change. This document is organized as follows:

• Systems Operation – How it works

• Component Locator – Where it is

• Connectors & Pinouts – What it looks like, and finally,

• Subsystem Schematics – Detailed wiring and electrical schematic information.

WHAT’S NEW FOR THE LIGHT DUTY C/K FULL SIZE TRUCKS MANUAL

• Detailed System Operation Instructions are provided for PTO and Fast Idle operation. Also included is information on TrailerWiring, Exterior Lighting and the Passlock interface. This section has been expanded to have diagrams integral to the textrather than reference a separate section for graphics.

• Component Locator Pages have been included to show the location of major electronic modules on both the Pickup / Cab-chassis and the Utility vehicle.

• An Acronym an Abbreviation list used in the Electrical Component Legend, Ground Zone, and Electrical Schematic sectionsis included.

• Connector Detail and Location Illustrations are provided for many interfaces. Terminal, Cable Seal, and mating connectorinformation have been added where appropriate.

• Detailed Electrical Schematics are provided for most subsystems.

• New LLY 6.6L engine information is added for diesel engines sold after 1/01/04. See LLY ECM Connector and LocationDrawings, Engine Controls, and Transmission Schematics.

• The LLY 6.6L engine ECM is new for 2006. The connectors changed from a 3-way to a 2-way. Connector pin-outs andlocation are included in the connector section. Schematics for the ECM and affected subsystems are not included in thisdocument.

• An expanded LED Turn Signal page is included in the Application Notes.

SPECIAL INTEREST TO UPFITTERS

MID BEC provides a convenient in-cab location for interfacing with the vehicle.

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006(continued on next page)

(Overview — continued from previous page)

Navigation

The Table of Contents and Index items are linked to the actual page. Click on the item of interest and you’ll go to the corresponding page.You can return with the “previous page” arrow in the upper center of the screen. Other links embedded in the document are hi-lighted in blue.

Viewing

The size (%) control is located in the lower left corner of the screen. Click the down arrow and select “fit in window” (62%) or “actualsize” (100%) for most viewing applications. You can zoom in schematic detail by selecting a larger percentage.

Printing

Specific pages can be printed out. Be careful to select a print range or “current page” or all 315 pages will try to print out.

Information provided is believed to be accurate at the time of publication. GM reserves the right to change the information at any time.

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Index

SYSTEM OPERATION INSTRUCTIONS

Power Take Off (PTO) / Fast Idle ......................................................................................................................................................A-1

OUTLINE ......................................................................................................................................................................................A-1

A. PTO Overview .................................................................................................................................................................A-2

B. PTO Information..............................................................................................................................................................A-2

C. PTO – Preset Mode (Factory Default Setting) ................................................................................................................A-6

D. PTO – Variable Mode ......................................................................................................................................................A-8

E. High Idle Procedure for 2500HD & 3500 Series Trucks with 8.1L (L18) Gas Engine ....................................................A-9

F. High Idle Procedure for 2500HD & 3500 Series Trucks with 6.6L (LB7) Diesel Engine ...............................................A-11

G. Fast Idle Switch Installation on 8.1L (L18) Gas Engine & 6.6L (LB7) Diesel Engine ...................................................A-12

H. PTO Programming Guide .............................................................................................................................................A-14

Trailer Wiring .....................................................................................................................................................................................A-20

Light Duty Trailer Wiring.............................................................................................................................................................A-20

Heavy Duty Trailer Wiring...........................................................................................................................................................A-21

Trailer Brake Jumper Harness ...................................................................................................................................................A-22

C/K Utility and Cab-Chassis......................................................................................................................................................A-22

Light Duty to Heavy Duty Trailer Wiring Conversion.................................................................................................................A-23

7-Way to 4-Way Trailer Adapter ................................................................................................................................................A-23

Camper/Fifth-Wheel Trailer Wiring.............................................................................................................................................A-23

Exterior Lighting ...............................................................................................................................................................................A-24

ROOF MOUNTED BEACON / WRECKER PACKAGE / EMERGENCY LIGHT .........................................................................A-24

Roof-Mounted Beacon Lamp (RPO 5G4 & TRW).............................................................................................................A-25

Emergency Vehicle Lamp (SEO 5X7) ................................................................................................................................A-26

Body Builder Emergency Lamp (SEO 5Y0).......................................................................................................................A-27

COMBINED STOP / TURN TAIL LAMP CONVERSION.............................................................................................................A-28

Rear Chassis Wiring Harness Connector..........................................................................................................................A-28

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SYSTEM OPERATION INSTRUCTIONS (Continued)

SNOWPLOW PREP PACKAGE (VYU) LIGHTING PROVISION .................................................................................................A-28

Passlock Interface for Remote Start / Stop..................................................................................................................................A-29

Application Notes .............................................................................................................................................................................A-33

LED Turn Signals........................................................................................................................................................................A-33

Remote HVAC Compressor Operation......................................................................................................................................A-33

ELECTRICAL COMPONENT LOCATIONS

Electrical Components Legend (Truck and Utility) ..............................................................................................................................B-1

Power Distribution Centers..................................................................................................................................................................B-4

Underhood BEC...........................................................................................................................................................................B-4

Mid BEC.......................................................................................................................................................................................B-8

Mid BEC Location ...............................................................................................................................................................B-9

Left BEC.....................................................................................................................................................................................B-10

Right BEC ..................................................................................................................................................................................B-13

Ground Zones ....................................................................................................................................................................................B-14

CONNECTOR AND PIN-OUT ILLUSTRATIONS

SEO Connector in Mid BEC – Connector C-8 ....................................................................................................................................C-1

Trailer Brake Control Wiring Harness Connector in Mid BEC – Connector C-7 ................................................................................C-2

Upfitter Connector in Mid BEC – no # designation ............................................................................................................................C-3

Mid BEC Connectors Location............................................................................................................................................................C-4

LLY (’04 - ’05) Engine Control Module (ECM) Connector C-1 ............................................................................................................C-5

Connector C-2 ............................................................................................................C-7

Connector C-3 ............................................................................................................C-9

Location ....................................................................................................................C-11

LLY (’06) Engine Control Module (ECM) Connector C-1...................................................................................................................C-12

Connector C-2...................................................................................................................C-15

Location.............................................................................................................................C-17

LB7 Engine Control Module (ECM) Connector C-1 ..........................................................................................................................C-18

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CONNECTOR AND PIN-OUT ILLUSTRATIONS (Continued)

LB7 Engine Control Module (ECM) Connector C-2 ..........................................................................................................................C-20

Powertrain Control Module (PCM) Connector C-1 ...........................................................................................................................C-22

Connector C-2 ...........................................................................................................................C-24

Engine Control Module (ECM) / Powertrain Control Module (PCM) Location..................................................................................C-26

Power Take Off (PTO) Relay Connector ............................................................................................................................................C-27

Relay Location ...............................................................................................................................................C-28

Switch Connector ..........................................................................................................................................C-29

Switch Connector Location ...........................................................................................................................C-30

Interface Connector .......................................................................................................................................C-31

Interface Connector Location........................................................................................................................C-32

Rear Lamps – Junction Block Connector Rear Chassis Harness C-1.............................................................................................C-33

Junction Block Connector Left Tail Lamp C-2 ..........................................................................................................C-34

Junction Block Connector License Plate C-3 ...........................................................................................................C-35

Junction Block Connector Right Tail Lamp C-4........................................................................................................C-36

Rear Lamps – Junction Block Location ............................................................................................................................................C-37

Trailer Connector................................................................................................................................................................................C-38

Trailer Connector Location ................................................................................................................................................................C-39

SUBSYSTEM ELECTRICAL SCHEMATICS

Power Distribution: Gas .......................................................................................................................................................................D-1

Diesel..................................................................................................................................................................D-20

Ground Distribution............................................................................................................................................................................D-35

Auxiliary Battery .................................................................................................................................................................................D-52

Engine Controls: L18 – 8.1L Gas.......................................................................................................................................................D-53

GEN 3 PCM............................................................................................................................................................D-65

LU3 – 4.3L V6 ........................................................................................................................................................D-81

LB7 – 6.6L Diesel ...................................................................................................................................................D-93

LLY – 6.6L Diesel .................................................................................................................................................D-105

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SUBSYSTEM ELECTRICAL SCHEMATICS (Continued)

Electronic Throttle Control ...............................................................................................................................................................D-118

Fuel Sender/Pump: Gas (03/43/53/706)..........................................................................................................................................D-122

Gas (L59) .........................................................................................................................................................D-124

Gas (906/36) ....................................................................................................................................................D-125

Diesel ...............................................................................................................................................................D-127

Power Take Off Provisions (L18/LB7) ..............................................................................................................................................D-128

LCT Transmission (L18/LB7/M74)....................................................................................................................................................D-130

LCT Transmission (L18/LLY/M74) ....................................................................................................................................................D-132

Starting and Charging: Gas .............................................................................................................................................................D-134

Starting and Charging: Diesel-Dual Gen .........................................................................................................................................D-137

Cruise Control ..................................................................................................................................................................................D-139

Serial Data: Data Link Connector (DLC)..........................................................................................................................................D-140

Serial Data Link (Class II) .............................................................................................................................................D-141

Instrument Panel Cluster .................................................................................................................................................................D-145

Headlamps: Non Z75.......................................................................................................................................................................D-147

Z75...............................................................................................................................................................................D-149

Ambient Light / Solar Sensor ..........................................................................................................................................................D-151

Daytime Running Lamps (Domestic/Middle East)...........................................................................................................................D-152

Front Fog Lamp ...............................................................................................................................................................................D-153

Exterior Lighting: Domestic / Middle East.......................................................................................................................................D-154

Wrecker Package (SEO) ......................................................................................................................................D-164

Roof Mounted Beacon........................................................................................................................................D-165

Emergency Light..................................................................................................................................................D-166

Wrecker Light Bar SW (SEO) ..............................................................................................................................D-167

Backup Lamps.................................................................................................................................................................................D-168

Interior Lighting (Pickup) ..................................................................................................................................................................D-170

Cargo Lamp SW (Pickup) ................................................................................................................................................................D-173

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SUBSYSTEM ELECTRICAL SCHEMATICS (Continued)

Dimming Control: w/o Y91 ..............................................................................................................................................................D-174

w/ Y91 ................................................................................................................................................................D-176

Compartment Lamps.......................................................................................................................................................................D-178

Trailer and Camper Wiring ...............................................................................................................................................................D-179

Power Door Locks: Base (w/o DDM/PDM) .....................................................................................................................................D-182

Uplevel (w/ DDM/PDM) ...................................................................................................................................D-187

Theft Deterrent Content ...................................................................................................................................................................D-191

Brake Trans Shift Interlock (BTSI)....................................................................................................................................................D-194

Seats (Driver and Passenger) ..........................................................................................................................................................D-195

Mobile Radio ....................................................................................................................................................................................D-205

Truck Body Computer 2.2 (TBC): Base (w/o DDM/PDM) ...............................................................................................................D-206

Uplevel (w/ DDM/PDM) .............................................................................................................D-210

Driver Door Module..........................................................................................................................................................................D-214

Passenger Door Module ..................................................................................................................................................................D-217

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System Operating InstructionsPower Take Off (PTO)

OUTLINEA. PTO OverviewB. PTO Information

• PTO Control SwitchC. PTO Preset ModeD. PTO Variable ModeE. High Idle Procedure for 2500HD & 3500 Series Trucks with 8.1L (L18) Gas EngineF. High Idle Procedure for 2500HD & 3500 Series Trucks with 6.6L (LB7) Diesel EngineG. Fast Idle Switch Installation on 8.1L (L18) Gas & 6.6L (LB7) Diesel EngineH. PTO Programming Guide

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A. PTO OVERVIEW

Power Take Off (PTO)

Power Take Off (PTO) provisions have been provided as standard content on the C/K 3600 Cab-Chassis trucks with the 8.1L (L18) gasengine and 6.6L Duramax Diesel (LB7) engine. These provisions are included in two forced RPO’s, M1F and PTO. The M1F and PTOoptions are not available on C/K 3600 Cab-Chassis trucks with the 6.0L (LQ4) engine. M1F and PTO are not available options onC/K 2500HD and 3500 models.

High Idle

High Idle is available when a PTO device is not utilized but increased engine speed is required. The Preset and Variable Mode controlsoperate in the same manner as the PTO controls. Wiring provisions for in-cab PTO Control Switch is provided in most of the LightDuty Trucks with the 8.1L (L18) gas or 6.6L (LB7) diesel engines only.

Fast Idle

Fast Idle provides an elevated engine speed control to one setting. It is not to be used if any type of hydraulic application is intended.Fast Idle requires hardwiring into the powertrain control module and the use of a momentary type switch.

B. PTO INFORMATION

RPO – M1F Option

RPO – M1F is a forced option, on C/K 3600 trucks with L18 or LB7 engines, which provides PTO mounting space for transmissionmounted PTO’s. PTO mounting space is for the right hand side of the transmission.

RPO – M1F includes the following:

• Revised Underbody Structure (RH side)

• Unique Front Floor Cover Panel (RH side) contoured to allow for PTO mounting.

RPO – PTO Option

RPO – PTO is a forced option, on C/K 3600 trucks with L18 or LB7 engines, which provides engine speed and PTO engagement controls.

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(B. PTO INFORMATION — continued from previous page)

RPO – PTO includes the following:

• PTO control software is in the Powertrain Control Module (PCM) on the gas engine and in the Engine Control Module (ECM)on the diesel engine.

• Wiring provisions for in-cab PTO Control Switch

• Upfitter PTO Interface Connector which is located at the left side of the transmission. This connector provides access toPTO engage, feedback, engine shut down circuits as well as remote access to PTO SET switch.

GM Approved PTO Kits

Two North American PTO suppliers, Chelsea Auxiliary Power Products and Muncie Power Products offer the PTO installation kits. Thekits are designed specifically for the C/K 3600 trucks. The PTO kits in addition to normal PTO content include plumbing, heat shields,PTO control switch and PTO interface wiring harness. Both PTO suppliers offer PTO kits to accommodate both the Allison 1000automatic transmission and the ZF 6-speed manual transmission. GM recommends that these kits be used for PTO installations onthe C/K 3600 Cab-Chassis.

PTO Accessory Kit

GM Service Parts Organization offers a PTO Accessory Kit (Part Number 12497678) that contains the PTO control switch and PTOinterface wiring harness. The PTO accessory kit is required when PTO/High Idle speed control is desired but the PTO supplier kits arenot utilized. The PTO accessory kit is available from your local GM dealer.

The following parts are included in the PTO Accessory Kit:

• PTO control switch.

• Instruction sheet.

• PTO interface wiring harness. (Includes a mating connector to the PTO Interface Connector and approximately three feet ofblunt cut wires)

NOTE: The PTO accessory kit can only be installed on GM Light Duty Trucks with the 8.1L (L18) gas or 6.6L (LB7) dieselengines. Wiring provisions for in-cab PTO Control Switch is provided in most of the Light Duty Trucks with the 8.1L(L18) gas or 6.6L (LB7) diesel engines only.

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(B. PTO INFORMATION — continued from previous page)

PTO Control Switch

The PTO option includes a provision for a dash mounted PTO control switch. This switch is supplied with the Chelsea and Muncie PTOkits mentioned above or it can be purchased as part of the PTO accessory kit.

The PTO control switch has three positions:

• OFF

• ON

• SET – (spring loaded)

PTO Control Switch Typical Installation

Additional PTO control is available if the vehicle is equipped with Cruise Control. The Cruise Control stalk controls the following PTOfunctions:

• PTO SET Speed

• PTO RESUME Speed

LEDIndicator➞

(B. PTO INFORMATION — continued from previous page)

PTO Interface Connector

A PTO interface connector is located on a bracket attached on the left-hand side of the transmission above the left-hand side PTOopening. The PTO interface connector provides access to the following circuits for remote PTO operation:

• PTO Engine Shut Down (Light Blue)

• PTO Remote Enable Switch (Light Green).

• Ground (Black)

• PTO Feedback (Yellow)

• PTO Relay Switch Control (White)

• Cruise Control SET Switch Input (Dark Blue)

PTO Operating Speed Control

Two PTO operating speed control modes are available with the 8.1L (L18) gas and 6.6L (LB7) diesel engines. The PCM/ECM may beprogrammed to one of the following modes:

• Preset – Up to two preset PTO operating speeds. (requires Cruise Control)

• Variable – Allows variable PTO speeds while vehicle is stationary or moving. (requires Cruise Control)

PTO Engagement

PTO engagement is controlled through the use of the in-cab PTO Control Switch. When PTO engagement is desired, the user selects theON position. The PCM/ECM then activates the PTO relay, once proper operating criteria are met. The fused PTO relay feed is accessibleat the PTO Interface Connector discussed above.

PTO Engine Shutdown

Provisions are included in the PTO Interface Connector to allow for engine shut down while in the PTO operation mode. This featurerequires the installation of a normally closed ground switch that when opened will shut down the engine. This feature can only beactivated with a Tech II diagnostic tool.

NOTE: PTO Schematics are provided in the System Electrical Schematics section of the manual.

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C. PTO – PRESET MODE (FACTORY DEFAULT SETTING)

PTO Preset speed control mode is used for stationary applications. This mode provides a default standby speed of 800 or 850 rpm(depending on the engine/transmission combination) and two PTO control speeds: PTO Set Speed of 1250 rpm, and PTO Resume Speedof 1700 rpm. Please note that the standby speed (800/850 rpm) is not to be used as a PTO control speed. Vehicles that are not equippedwith cruise control will not have the resume speed capability.

PROGRAMMABLE FACTORY SETTING MINIMUM VALUE MAXIMUM VALUEPARAMETERS (RPM) (RPM) (RPM)

PTO Max Engine Speed 2200L18-2100 L18-4200LB7-950 LB7-3100

Auto/Manual Normal engine idle willPTO Standby RPM L18-800/850 override if higher than 1300

LB7-800/800 requested PTO base idle

PTO Set Speed 1250 PTO Standby SpeedPTO Max Engine

Speed Setting

PTO Resume Speed 1700 PTO Set SpeedPTO Max Engine

Speed Setting

PTO Max Engage Speed 1000 950PTO Max Engine

Speed Setting

PTO Preset Mode Function Chart

The following chart shows how to toggle between the two PTO speeds through the Cruise SET and RES switches.

PRESENT PTO STATE PRESSING RESULTING PTO STATEPTO Standby Speed SET PTO Set SpeedPTO Standby Speed RES PTO Resume Speed

PTO Set Speed SET PTO Standby SpeedPTO Set Speed RES PTO Resume Speed

PTO Resume Speed* SET PTO Set SpeedPTO Resume Speed RES PTO Standby Speed

*On L18 Gasoline Engines, PTO Set must be selected prior to requesting PTO Resume Speed.

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(C. PTO – PRESET MODE — continued from previous page)

PTO Engage Conditions for PTO Preset Mode

To engage the PTO, the following conditions must be met.

• Engine must be running.

• Transmission must be in PARK or NEUTRAL.

• Park Brake must be set for Manual Transmission only.

• Vehicle speed must be zero.

• Brake or Clutch must not be depressed.

Procedure for Engaging PTO with Manual Transmission

1. Set parking brake.

2. Shift the transmission into NEUTRAL (N).

3. Turn the PTO switch to the ON position. The engine speed will increase to the PTO Standby Speed. The PTO is engaged whenthe LED on the PTO control switch changes from blinking to steady state.

4. Press either the SET or RESUME switch on the cruise control or turn the PTO switch to the SET position. The engine speedwill jump to the PTO SET or RESUME speeds.

Procedure for Engaging PTO with Automatic Transmission

1. Shift the transmission into Park (P).

2. Turn the PTO switch to the ON position. The engine speed will increase to the PTO Standby Speed. The PTO is engaged whenthe LED on the PTO control switch changes from blinking to steady state.

3. Press either the SET or RESUME switch on the cruise control or turn the PTO switch to the SET position. The engine speedwill jump to the PTO SET or RESUME speeds.

Torque Converter Clutch (TCC) lockup is not available in Neutral. TCC lockup is available in Park with engine RPM above 1100 RPM.

NOTE: If any input from the brake pedal or clutch pedal is detected, PTO operation will be interrupted. For L18 gasoline engine, thestandby speed will be again established only after a toggle of the control switch to the SET position. For the LB7 diesel engine,the standby speed will be established with the release of the brake pedal or clutch pedal.

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D. PTO – VARIABLE MODE

PTO variable speed control mode can be used for both stationary and mobile applications. This mode allows PTO to be controlled in afashion similar to which cruise control controls vehicle speed. The operator is able to hold an engine RPM (between 800 and 2200) withthe SET switch on the cruise stalk or the PTO switch. The operator can “tap up” to increase engine speed in 100 rpm increments withthe RESUME switch on the cruise stalk or “tap down” to decrease engine speed with either SET switch (on the cruise stalk or the PTOswitch). Vehicles not equipped with cruise control will not have the “tap up & tap down” capability.

PROGRAMMABLE FACTORY SETTING MINIMUM VALUE MAXIMUM VALUEPARAMETERS (RPM) (RPM) (RPM)

PTO Max Engine Speed 2200 RPML18-2100 L18-4200LB7-950 LB7-3100L18-650

AUTO/MANUAL LB7-600PTO Standby RPM L18-800/850 Normal engine idle will 1300

LB7-800/800 override if higher thanrequested PTO Base Idle

PTO Max Engage Speed 1000 950 PTO Max Engine Speed

PTO - Variable Mode Function Chart

SWITCH SET RESUME (w/Cruise Only)Engine speed will decrease by 100-RPM decrements Engine speed will increase by 100-RPM incrementsand will maintain new engine speed value. and will maintain new engine speed value.

PRESSED ONCE Engine speed can be decreased down to PTO Engine speed can be increased up to the PTO maxstandby RPM speed value, all further SET inputs engine speed value, all further RESUME inputs willwill be ignored be ignored

HELDDecelerates engine speed down to the PTO standby Increases engine speed up to the PTO max enginePTO standby speed value. speed value

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(D. PTO – VARIABLE MODE — continued from previous page)

PTO Speed Control in Variable Mode (while Mobile):

1. Vehicle speed greater than 5 mph.

2. Foot off brake pedal (and/or off clutch for manual transmission).

3. Turn the PTO switch to the ON position. The engine speed will increase to the PTO Standby Speed. The PTO is engaged whenthe LED on the PTO control switch changes from blinking to steady state.

4. Obtain the desired engine speed with gas pedal and pressing SET on the PTO switch or the cruise stock.

5. The SET and RESUME switches can then be used to adjust the engine speed in 100-RPM increments.

Using PTO Speed Control in Variable Mode (while Stationary):

1. Vehicle speed must be zero.

2. Foot off brake pedal and/or off clutch for manual transmission.

3. Turn the PTO switch to the ON position. The engine speed will increase to the PTO Standby Speed. The PTO is engagedwhen the LED on the PTO control switch changes from blinking to steady state.

4. Obtain the desired engine speed with gas pedal and pressing SET on the PTO switch or the cruise stock.

5. The SET and RESUME switches can then be used to adjust the engine speed in 100-RPM increments.

NOTE: If any input from the brake pedal or clutch pedal is detected, PTO operation will be interrupted. PTO Variable mode may bere-enabled by pressing the RESUME switch. Engine speed will increase to the speed prior to disabling.

E. HIGH IDLE PROCEDURE FOR 2500HD & 3500 SERIES TRUCKS WITH 8.1L (L18) GAS ENGINE

High Idle can be obtained by using the 8-pin PTO connector behind the dash and the PTO accessory kit. The PTO connector can befound behind the passenger air bag defeat switch. It should be taped to the IP harness directly behind the passenger air bag defeatswitch. Mount the PTO switch next to the passenger air bag defeat switch.

The PTO interface wiring harness included with the PTO Kit is not needed unless a requirement for remote operation is desired.

Connect the Tech 2 scan tool and reprogram the Powertrain Control Module (PCM). See the PTO Programming Guide section forinstructions on how to reprogram the PCM.

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(E. HIGH IDLE PROCEDURE — continued from previous page)

Remember to program to either the Preset PTO or Variable PTO Mode when using the PTO switch.

The changes that need to be made are as follows:PTO Max Engine Speed 2200 RPMPTO Standby Speed 800 RPMPTO Set Speed 1250 RPMPTO Resume Speed 1700 RPMPTO Max Engage Speed 1000 RPMPTO Shutdown NOPTO Engage Relay NOPTO Feedback NO

NOTE: If the reprogramming of the PCM is not performed, the High Idle function will not work.

To engage the High Idle, put the truck in PARK or NEUTRAL, set the Park Brake (Manual Transmission only) and turn the switch to theON position. Move the PTO switch to the SET position or press the SET switch on the cruise control if equipped. The SET input rampsup the engine speed to 1250 RPM. By pressing the cruise control RES/ACC switch the engine speed will increase to the PTO resumespeed setting and any SET input will decrease the engine speed to the PTO set speed setting.

If the truck does not have the cruise control option, only the PTO SET speed is available. The PTO/High Idle settings can only be changedwith a Tech 2 scan tool. The Tech 2 scan tool can be purchased from GM by calling 1-800-GM-TOOLS.

The PTO accessory kit is available from your local GM dealer.

If any problems should arise, check and clear any DTC’s with a Tech 2 and make sure that the brake switch and tail lamps arefunctioning correctly.

NOTE: In certain cases the PTO wiring and connector will not be installed behind the passenger side air bag switch. If this isthe case, the system will need to be hardwired into the PCM and a switch or switches (no cruise control) will need to beused. Please call the Upfitter Integration Hotline at (800) 875-4742 for more information.

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F. HIGH IDLE PROCEDURE FOR 2500HD & 3500 SERIES TRUCKS WITH 6.6L (LB7) DIESEL ENGINE

High Idle can be obtained by using the 8-pin PTO connector behind the dash and the PTO accessory kit. The PTO connector can befound behind the passenger air bag defeat switch. It should be taped to the IP harness directly behind the passenger air bag defeatswitch. Mount the PTO switch next to the passenger air bag defeat switch.

The PTO interface wiring harness included with the PTO Kit is not needed unless a requirement for remote operation is desired.

Connect the Tech 2 scan tool and reprogram the Engine Control Module (ECM). See the PTO Programming Guide section for instructionson how to reprogram the ECM.

Remember to program to either the Preset PTO or Variable PTO Mode when using the PTO switch. When the PTO settings areinitially read, the Tech 2 will show values of 6375 rpm. Select the change options menu and continue with the programming ofthe ECM.

The changes that need to be made are as follows:PTO Max Engine Speed 2200 RPMPTO Standby Speed 800 RPMPTO Set Speed 1250 RPMPTO Resume Speed 1700 RPMPTO Max Engage Speed 1000 RPMPTO Shutdown NOPTO Engage Relay NOPTO Feedback NO

NOTE: If the reprogramming of the ECM is not performed, the High Idle function will not work.

To engage the High Idle, put the truck in PARK or NEUTRAL, set the Park Brake (Manual Transmission only) and turn the switch to theON position. Move the PTO switch to the SET position or press the SET switch on the cruise control if equipped. The SET input rampsup the engine speed to 1250 RPM. By pressing the cruise control RES/ACC switch the engine speed will increase to the PTO resumespeed setting and any SET input will decrease the engine speed to the PTO set speed setting.

If the truck does not have the cruise control option, only the PTO SET speed is available. The PTO/High Idle settings can only be changedwith a Tech 2 scan tool. The Tech 2 scan tool can be purchased from GM by calling 1-800-GM-TOOLS.

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(F. HIGH IDLE PROCEDURE — continued from previous page)

The PTO accessory kit is available from your local GM dealer.

If any problems should arise, check and clear any DTC’s with aTech 2 and make sure that the brake switch and tail lamps arefunctioning correctly.

NOTE: In certain cases the PTO wiring and connector will notbe installed behind the passenger side air bag switch.If this is the case, the system will need to be hardwiredinto the ECM and a switch or switches (no cruisecontrol) will need to be used. Please call the UpfitterIntegration Hotline at (800) 875-4742 for moreinformation.

G. FAST IDLE SWITCH INSTALLATION ON 8.1L (L18) GASENGINE & 6.6L (LB7) DIESEL ENGINE

NOTE: The fast idle switch input pin is available on GM truckswith the 8.1L (L18) gas & 6.6L (LB7) Diesel Engines.

NOTE: The use of the fast idle switch is not recommended ifany type of hydraulic application is intended.

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(G. FAST IDLE SWITCH INSTALLATION — continued from previous page)

Procedure for Fast Idle Operation on 8.1 Liter (L18) Gas Engine

1. Reprogram the PCM using Tech 2. See the PTO Programming Guide section for instructions on how to get to the PTOprogramming screen.

a. Reprogram to the Fast Idle Mode by pressing the Change Options Key and selecting PTO Fast Idle Mode.

b. Scroll down and change the PTO Feedback and PTO Engage Relay settings to NO.

c. If more than 1250 RPM is required, change the PTO Standby Speed setting.

2. Follow the schematic above and hardwire into Pin 31 of the Blue connector in the PCM/ECM.

a. By momentarily grounding Pin 31 the engine idle will increase to the PTO Standby Speed Setting.

b. Momentarily grounding Pin 31 again will cancel the fast idle operation and return the engine to base engine idle speed.

Procedure for Fast Idle Operation on 6.6 Liter (LB7) Duramax Diesel Engine.

Reprogram the ECM using the Tech 2. To get the Fast Idle Mode to show up on the Tech 2, select the 2003 Model year and then selectthe Medium Duty Truck option on the next screen. If any other year besides 2003 MY is selected, the Fast Idle option will not beavailable to use. Select the Engine and Transmission on the vehicle. The Fast Idle option will now be available for programming. Followthe instructions from steps 1 & 2 above to complete the programming and installation of the switch. Reference UI Bulletin # 63, FastIdle Procedure for LB7 Engine for more complete instructions.

NOTE: If any problems should arise, check and clear any DTC’s with a Tech 2 and make sure that the brake switch and tail lampsare functioning correctly.

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H. PTO PROGRAMMING GUIDE

This section provides information on the procedure for programming the PCM/ECM for with the Tech 2 service diagnostic tool.

1. Connect the Tech 2 to the vehicle.

2. Select the Diagnostics option from the Main Menu.

3. Select the Model Year from the Vehicle ID menu.

Vehicle ID (Model Year)

(3) 2003(2) 2002(1) 2001(Y) 2000

Main Menu

F0: DiagnosticsF1: Service Programming SystemF2: View Captured DataF3: …F4: …

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(H. PTO PROGRAMMING GUIDE — continued from previous page)

4. Select the LD Truck, MPV, Incomplete option from the Vehicle Identification menu.

5. Select the Powertrain Option from the System Selection Menu.

System Selection

200* LD Truck, MPV, Incomplete

F0: PowertrainF1: BodyF2: ChassisF3: Diagnostic Circuit Check

Vehicle Identification

Passenger CarLD Truck, MPV, IncompleteMedium Duty TruckSaturn

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(H. PTO PROGRAMMING GUIDE — continued from previous page)

6. Select the Engine type from the Vehicle Identification menu.

7. Select the Transmission type from the Vehicle Identification menu.

Vehicle IdentificationSelect one of the following

Transmissions

5 Speed Automatic Trans (M74)4 Speed Automatic Trans (MT1)Manual Trans (ML6)Other

Vehicle IdentificationSelect one of the followingLT Duty Truck Engine types

(1) V8 LB7 Diesel(G) V8 L18(G) V8 L18 3500HD

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(H. PTO PROGRAMMING GUIDE — continued from previous page)

8. Select the Special Functions option from the Powertrain menu.

9. Select the PTO options from the Special Functions menu

Special Features

F5: ...F6: Service Bay TestF7: PTO OptionsF8: Engine ShutdownF9: …

Powertrain

F0: …F1: Data DisplayF2: Special FunctionsF3: SnapshotF4: …

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(H. PTO PROGRAMMING GUIDE — continued from previous page)

10.The Current PTO settings screen will be displayed. Press the Change Options key and then select the desired PTO OperatingMode. Refer to pages 4-6 for PTO mode information.

11.Scroll through the Current PTO settings, make any necessary changes and press the reprogram options key when done tocomplete the programming. The values shown below are the default settings.

PTO Option

Current PTO Settings

PTO Fast Idle Option Fast IdlePTO Max. Engine Speed 2200 RPMPTO Standby Speed 1250 RPMPTO Max. Engine Speed 1000 RPMPTO Engine Shutdown NoPTO Engage Relay NoPTO Feedback No

PTO

Current PTO Settings

PTO Fast Idle Option PresetPTO Max. Engine Speed 2200 RPMPTO Standby Speed 800 RPMPTO Set Speed 1250 RPMPTO Resume Speed 1700 RPMPTO Max. Engine Speed 1000 RPMPTO Engine Shutdown NoPTO Engage Relay YesPTO Feedback Yes

PTO Option

F0: Fast IdleF1: Preset PTO Speed ControlF2: Variable PTO Speed ControlF3: …F4: …

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(H. PTO PROGRAMMING GUIDE — continued from previous page)

12.The Current PTO settings screen will again be displayed. Make sure that the changes made are shown on this screen. Ifsettings did not change, repeat the procedure. If settings are correct, power down the tech 2 and disconnect from the vehicle.

PTO Option

Current PTO Settings

PTO Fast Idle Option Fast IdlePTO Max. Engine Speed 2200 RPMPTO Standby Speed 1250 RPMPTO Max. Engine Speed 1000 RPMPTO Engine Shutdown NoPTO Engage Relay NoPTO Feedback No

PTO

Current PTO Settings

PTO Fast Idle Option PresetPTO Max. Engine Speed 2200 RPMPTO Standby Speed 800 RPMPTO Set Speed 1250 RPMPTO Resume Speed 1700 RPMPTO Max. Engine Speed 1000 RPMPTO Engine Shutdown NoPTO Engage Relay NoPTO Feedback No

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Trailer WiringC/K trucks are available with three trailer wiring configurations:

• Light duty trailer wiring is standard equipment on all models. The wiring consists of six blunt cut wires located at the rear ofthe truck

• Heavy duty trailering equipment package (Option Z82) includes a 7-way universal trailer connector that is mounted to thetrailering hitch platform. This option also provides an instrument panel jumper wiring harness for electric trailer brake controllerand a 7-way to 4-way trailer adapter

• Camper/Fifth Wheel trailer wiring package (Option UY2) is available on all pickups. This option provides an 8-way wiringharness that is located under the front left edge of the pickup box and added 7-way sealed connector for the trailer harness.

Light Duty Trailer Wiring

Light duty trailer wiring consists of six blunt cut wires, which are located at the rear of the vehicle and tied to the frame. The six blunt cutwires consist of the following trailer circuits:

• Yellow: Left Stop/Turn Signal

• Dark Green: Right Stop/Turn Signal

• Brown: Tail lamps

• White: Ground

• Light Green: Backup Lamps

• Light Blue: Center High-Mounted Stop Lamp (CHMSL)

Light duty trailer wiring can be upgraded to heavyduty trailer wiring with a conversion kit, which isavailable from a GM dealer. Information on theconversion to heavy duty trailer wiring is covered inthe following pages.

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(TRAILER WIRING — continued from previous page)

Heavy Duty Trailer Wiring

Heavy duty trailer wiring for C/K trucks is provided with the Z82 heavy duty trailer equipment package. This package includes a 7-wayuniversal trailer tow connector (part #12191503), which is mounted to the trailer platform hitch. The universal trailer tow connectorcontains the circuits provided in the light duty trailer harness with the addition of the following circuits:

• Red: Battery Feed (12 gauge)

• Dark Blue: Trailer Brake (12 gauge)

The White ground lead is upgraded from 16 to 10 gauge wire.

There is also a Lt. Blue one-pin CHMSL connector provided on pickup and cab-chassis trucks. This connector is tied to the trailer harnessand located just forward of the trailer connector. This connector is available for use with a trailer, slide in camper or cap.

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(TRAILER WIRING — continued from previous page)

Trailer Brake Jumper Harness

The heavy duty trailering equipment package also includes a trailer brake jumper harness (part #15085418) for an electric trailer brakecontroller. This jumper harness consists of approximately 8 feet of blunt cut wiring attached to a 6-way connector. The jumper harnessinterfaces with the TRLR receptacle (C7) on the Mid Bussed Electrical Center (MBEC). The trailer battery ring terminal on Stud #2 is fusedwith 30 Amp Maxi-Fuse. This circuit provides power to the MBEC TRLR connector inside the cab. The trailer brake jumper harness canbe purchased from a GM dealer.

The trailer brake jumper harness contains the following circuits:

A - Brown: Interior Park Lamp

B - Red: Battery (Fused to 30 Amps)

C - Dark Blue: Trailer Brake (to 7-way trailer connector)

D - Light Blue: Trailer CHMSL (Brake Switch)

E - Not Used

F - Black: Ground

With the exception of the Dark Blue trailer brake circuit (pin C), these above circuits are active and available on trucks that are notequipped with the heavy duty trailer wiring. To access these circuits, the upfitter/body builder can purchase the mating connector (part#12193924) from Pioneer, the distributor for Packard, by calling 1-800-PACKARD.

The C/K trucks are shipped from the assembly plant with the trailer Battery Hot lead disconnected. To provide power to the trailer hotlead, the 40 Amp Maxi-Fuse must be connected at the Stud #1 location in the Underhood BEC.

C/K Utility and Cab-Chassis

Heavy duty trailer wiring is provided on C/K Utility, Cab Chassis and pickups equipped with the Manual Selectable Ride Option (ZX3) thatdo not have the Z82 package or trailer platform hitch. The trailer wiring will be tied back to the rear cross member. The trailer brakejumper harness is not included with the cab chassis models and must be purchased separately from a GM Dealer.

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(TRAILER WIRING — continued from previous page)

Light Duty to Heavy Duty Trailer Wiring Conversion

Trucks equipped with light duty trailer wiring can be upgraded to heavy duty trailer wiring. A wiring conversion kit (part #12495932) isavailable and can be purchased from a GM dealer. The conversion kit consists of an underbody harness (part #12463530) with a 7-wayuniversal trailer tow connector and instruction sheet (part #12463639). The Trailer Brake Jumper Harness is not included in theconversion kit.

7-Way to 4-Way Trailer Adapter

A 7-way to 4-way trailer adapter (part #12496599) allows trucks with the heavy duty trailer wiring to be compatible with four-way trailerconnectors. The 7-way to 4-way trailer adapter is included with the Z82 package. The 7-way to 4-way trailer adapter can be purchasedfrom a GM dealer.

Camper/Fifth-Wheel Trailer Wiring

The Camper/Fifth Wheel trailer wiring is available asoption UY2 on 1500 /2500/2500HD/3500 series pickuptrucks. It includes additional 8-way wiring harness routedto the front of pickup box and added 7-way sealedconnector for the trailer harness. At that point,approximately four feet of blunt cut wire is availablewhich can be extended up to a camper by routing itbetween the pickup box and cab. There are two holes inthe front of the pickup box provided for retaining clips toretain that wiring. The Camper/Fifth-Wheel harnessutilizes the same circuitry as the heavy duty trailer wiring.

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CAMPER/FIFTH-WHEELTRAILER WIRING (If equipped)

Exterior LightingA. ROOF-MOUNTED BEACONS AND EMERGENCY LAMPS

Activation of an in-cab switch provides power for an external lamp load through a relay. Consult your owners manual supplement forinstallation instructions. A common switch is used in all cases.

Three variations are available based on power requirements and relay and wiring location.

• Roof-Mounted Beacon Lamp – 30 A circuit, Interior Relay, Wiring from relay ends with Blunt Cuts in roof.

• Emergency Vehicle Lamp – 40 A circuit, Exterior Relay, Upfitter provides own wiring to relay.

• Body Builder Emergency Lamp – 30 A circuit, Under Hood Relay, Wiring from relay ends with Blunt Cuts in back of cab.

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LAMP SWITCH

(A. ROOF-MOUNTED BEACONS — continued from previous page)

Roof-Mounted Beacon Lamp (RPO 5G4 & TRW)

This Regular Production Option (RPO) includes wiring provisions for a roof-mounted beacon lamp. Power is controlled through anauxiliary lamp switch located in the dash, a relay mounted in the left B-Pillar and wiring which is routed up along the Left Hand B-pillarthat terminates at the roof as coiled blunt cut wires. There are two blunt cut wires, one is Brown (roof-mounted lamp power) and the otheris Black (ground). The Brown power wire is protected by the 30-Amp SEO 2 fuse which is located in the Underhood Electrical Center.The maximum rated electrical load is 21-Amps (250 watts). The addedelectrical equipment must not exceed 21-Amps (250 watts). Running thisaccessory for long periods of time with the engine off may run the batterydown and cause a no-start condition.

The TRW option is included with the VYU Snowplow prep package. The5G4 option is available if the snowplow prep package is not ordered, buta beacon lamp is needed.

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PILLAR MOUNTED RELAYROOF LAMP HARNESS

(A. ROOF-MOUNTED BEACONS — continued from previous page)

Emergency Vehicle Lamp (SEO 5X7)

This Specialty Equipment Option (SEO) includes wiring provisions for an emergency vehicle lamp. Power is controlled through an auxiliarylamp switch located in the dash and wired to a relay. The relay is mounted underhood on the passenger side upper dash panel. Wiringis to be completed from the relay to the additional electrical equipment. The maximum rated electrical load is 40-Amps (480 watts). Theadded electrical equipment must not exceed 40-Amps (480 watts). The auxiliary lamp switch with this option will operate at all timesregardless of the ignition switch position. Running this accessory for long periods of time with the engine off may run the battery downand cause a no-start condition.

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ROOF LAMP RELAY

(A. ROOF-MOUNTED BEACONS — continued from previous page)

Body Builder Emergency Lamp (SEO 5Y0)

This Specialty Equipment Option (SEO) includes wiring provisions for a body builder installed emergency vehicle lamp. Power iscontrolled through an auxiliary lamp switch located in the dash, a relay mounted on the front of the dash and wiring which is routed alongthe frame rail under the back of the cab. There are two blunt cut wires, one is Brown (roof-mounted lamp power) and the other is Black(ground). The Brown power wire is protected by the 30-Amp Stud 2 fuse which is located in the Underhood Electrical Center. Themaximum rated electrical load is 21-Amps (250 watts). The added electrical equipment must not exceed 21-Amps (250 watts). Theauxiliary lamp switch with this option will operate at all times regardless of the ignition switch position. Running this accessory for longperiods of time with the engine off may run the battery down and cause a no-start condition.

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UNDERHOOD LAMP RELAY

BODY BUILDER WIRING

B. COMBINED STOP/TURN TAIL LAMP CONVERSION

The C/K trucks tail lamp wiring was designed for separated function Stop and Turn lamps; therefore, the tail lamp feeds from the rearjunction block cannot be used directly for combination stop/turn lamps. Feeds for combined stop/turn lamps are available off of the trailerwiring harness. The Left Stop/Turn Lamp feed can be accessed from the yellow wire (circuit 1618). The Right Stop/Turn Lamp feed canbe accessed from the dark green wire (circuit 1619). When using these feeds, the upfitter must consider whether the truck will be usedfor towing. If so, the upfitter must ensure that the loads of the truck lamps combined with the trailer stop/turn lamps do not exceed the10Ampere capacity of the fuse. Load and splicing guidelines, can be found at the Upfitter Integration website (www.gmupfitter.com) inthe Electrical Guidelines Manual.

Rear Chassis Wiring Harness Connector

If the upfitter prefers to interface directly with the chassis wiring connector, thus eliminating the Rear Junction Block. An in-line matingconnector is available and can be obtained by ordering part number 15326788. The chassis wiring harness mating connector can bepurchased from a GM dealer or through Packard/Pioneer Electric Systems (1-800-PACKARD).

C. SNOWPLOW PREP PACKAGE (VYU) LIGHTING PROVISIONS

The forward lamp wiring harnesses have a set of mating eight cavity connectors on both the left and right sides of the vehicle. Theupfitter will be able to disconnect the in-line connectors to allow interfacing with the forward lamp circuits (Front Parklamp, Turn Signaland DRL). The Headlamp circuits must be accessed from the Headlamp connectors. See the Special Applications Section - SnowplowPrep for circuit function charts, connector face diagrams and connector parts lists.

A backup lamp power feed is provided at the rear of the vehicle through the Trailer Harness. The 10-Amp TRLR B/U fuse located in theUnderhood Electrical Center protects this circuit. On vehicles with Light Duty Trailer Wiring this circuit can be accessed through the greenwire. On vehicles with the Heavy Duty Trailering option, this circuit is located in pin A of the Trailer Connector.

NOTE: See Exterior lighting schematics in the Electrical Schematics section of the Body Builders Manual.

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Passlock Interface For Remote Start/StopPURPOSE

The information below outlines a procedure to disable the Passlock Theft Deterrent for C/K trucks in which remote start/stop applicationsare required. This procedure is required because a remote start/stop system will not function with the current Passlock Theft Deterrenton 2003 and beyond C/K trucks.

Note: The following information is intended to be used only in conjunction with the installation of a remote start/stop systemand does not provide a procedure to install a remote start/stop system.

CAUSE

If an attempt is made to start a vehicle by a means other than a key rotation in the ignition switch, the Truck Body Computer (TBC) willinterpret this start request as a vehicle theft and disable the fuel injectors.

CORRECTION

A minor wiring modification may be made to allow the vehicle to be started remotely.

This modification includes adding a switch to allow the customer to select “ON” to allow remote starting or “OFF” for normal PasslockTheft Deterrent operation.

CAUTION: When this modification is performed and the switch is set to the ON position, the theft deterrent feature will bedisabled. When the theft deterrent is disabled the SECURITY telltale will light up indicating that the theft deterrentsystem is NOT functioning.

PASSLOCK MODIFICATION

Refer to appropriate GM service manuals and/or Upfitter Integration Electrical Guideline Manual for instruction on splicing and electricalconnections.

1. Select a suitable ON/OFF switch (see note below), which will be used to enable/disable the Passlock Theft Deterrent system.Mount the switch in a location such that it is accessible to the driver and will not interfere with normal vehicle operation.

NOTE: This is an extremely low current circuit (approx. 7mA). It is very important that a high quality, low energy, fast actingswitch be utilized for this application.

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(continued from previous page)

2. Turn the ignition switch to the OFF position.

3. Locate the Truck Body Computer on the lower left side of the I/P below the steering column. Refer to the illustration below tolocate the TBC.

4. Locate the Yellow wire, Pin A6 on the Brown Connector on the TBC. Cut this wire and splice a 0.5mm (20 GA) yellow wire toeach end of the cut wire. Keep wire length to a minimum. Route modification wires clear of moving parts. Connect the yellowwires to the switch such that the contacts are OPEN when the switch is in the ON position and CLOSED when the switch isin the OFF position.

5. Turn modification switch to the OFF position.

6. Start vehicle and verify switch operation. If engine “cranks but will not start” recheck the switch position, wire connectors andmodification wiring. Switch should be in the OFF position.

SWITCH OPERATION

To initiate Fail Enable mode:

Start the engine with the ignition key. Turn modification switch to the ON position. The Security Telltale will light up indicating that thePasslock Theft Deterrent is inoperative. Once the security telltale has been on for at least five seconds the vehicle can be turned off andthen remotely started.

To disable Fail Enable mode:

The Passlock Theft Deterrent system can be re-enabled by turning the modification switch to the OFF position. Please note that theECM/PCM (Engine Control / Powertrain Control Module) will record Diagnostic Trouble Codes (DTC’s) related to the security system whenthe modification switch is in the ON position. This is due to the way that the ECM/PCM interprets this condition.

NOTICEAny condition which removes battery power from the ECM/PCM (e.g. dead battery, disconnected harness connectors, etc.) will preventthe vehicle from being restarted. If the engine exhibits a “cranks but will not start” symptom, check to make sure that the modificationswitch is in the OFF position.

Please note that the ECM/PCM will record Diagnostic Trouble Codes (DTCs) related to the security system when the modification switchis in the ON position (circuit open). This is due to the way that the ECM/PCM interprets this condition.

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Truck Body Computer

1. Fuse Block - Left I/P2. Instrument Panel3. Truck Body Computer4. Truck Body Computer Harness

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Truck Body Computer – Connector (C-3)

Connector Part Information Part Number - 1216077824-Way F Micro-Pack 100 Series (BROWN)

Pin Wire Color Circuit No. Function

A6 YEL 1836 Security System Sensor Signal

Application NotesLED Turn Signals

Replacing rear turn signal lights with LED’s will result in a rapid flash rate. This FMVSS required lamp outage detection is due to thechange in lamp current through the flasher module. Two alternatives are offered to change the flash rate.

1. GM offers a low current LED Flasher module for the C/K truck applications. Part Number 10383322 is a LED flasher module.The module is available from GM Service parts through your dealer. The flasher is included as part of SEO option 8H9. TheTurn Signal /Hazard Flasher Module is located in the Left BEC (Fuse Center). This BEC is located behind the knee bolster underthe instrument panel.

2. Proper flash rate can also be obtained by placing anequivalent power resistor in parallel with the LED’s.Alternately the LED’s can be placed across the lamploads. These wires may be accessed at pins A & G ofthe tail lamp assemblies. The supply side for the rightis the dark blue wire (circuit 2115) and the light bluewire (circuit 2114) for the left. The black wire (circuit1750) is the ground for both. Splicing guidelines, canbe found at the Upfitter Integration website(www.gmupfitter.com) in the Electrical GuidelinesManual. Note: See Exterior lighting schematics inthe Electrical Schematics section of the BodyBuilders Manual.

NOTE: The truck will not have Lamp (or in this case LED)outage detection. Although the life of high qualityLED’s are substantially longer than the bulbsthey replace, it is the upfitters responsibility formaking this modification.

1. Flasher module

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(Application Notes — continued from previous page)

Remote HVAC Compressor Operation

Certain applications require HVAC operation from a rear-mounted box for cooling purposes. Examples are ambulances andpharmaceutical or organ delivery vehicles. The refrigerant line is tapped into an auxiliary cooler. The 2003 C/K does not support remoteHVAC compressor operation. In the past the A/C compressor could be turned on with a simple switch. The PCM controls thecompressor in the 2003 C/K. The PCM receives commands to turn on the compressor via a Class 2 command from the HVAC controller.

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

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2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Electrical Component Legend – Pickup / Chassis-Cab

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LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

X CKMC030ReferencePROJECT C/K EAU03

Friday, September 21, 2001

6:56:51 am

$IVEDWORK/k33m_ref_modules__007schematic sheet1

k33m_ref_modules10

0071

1

1. IPC

23. R-BEC SIM

20 20. AOS

19

19. RSA

1818. RTD

17

17. QS4

16

16. DSM

15

15. DDM

14

14. PDM/RFA13 13. WIPER

12

12. DAB/SDARS11 11. HVAC

10

10. ECM/PCM

9

25

24

23

26. RSE {43 or (53&Y91)}25. AMP

27

27. EDU

26 9. TREC

8

8. UH-BEC

7

24. MID-BEC

5

5. Remote OnStar

3

3. RADIO

2

22. L-BEC21. TCM

22

21

4. Not Used

7. SDM-G

6

6. EBC/VSES

2. TBC2.2

K33m_ref_modules_1

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Electrical Component Legend – Utility

B-2PAG

E

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

X CKMC030ReferencePROJECT C/K EAU03

Friday, September 21, 2001

6:56:51 am

$IVEDWORK/k33m_ref_modules__007schematic sheet1

k33m_ref_modules10

0071

15. DDM

14

14. PDM/RFA

13

13. WIPER

12 4. Not Used

22

21 22. L-BEC21. TCM

28

23 27

25

28. CDX27. R-HEBA

5

5. Remote OnStar

3

3. RADIO

2

2. TBC2.2

1

1. IPC

25. AMP26. RSE

26

24

24. MID-BEC23. R-BEC SIM

2020. AOS

19

19. RSA/RR-HVAC

18

18. RTD

17

17. QS4

16

16. DSM

15

12. DAB/SDARS

11

11. HVAC

10

10. PCM

9

9. TREC

8

8. UH-BEC

7

7. SDM-G

6

6. EBC/VSES

K33m_ref_modules_2

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

The following Acronyms and Abbreviations are used in theElectrical Component Legend, Ground Zone and Electricalschematic sections of this document.

03/53/43 Pickup (Regular/Extended/Crew)06 Utility (Both 706 & 906)36 SUT (Sport Utility Truck)706/906 Utility (Regular/Large)ABS Antilock Brake SystemAOS Automatic Occupant SensorADG Accommodation Device GatewayDAB Digital Audio BroadcastDIC Driver Information CenterDDM Driver Door ModuleDSM Driver Seat ModuleEAP Electric Adjustable PedalsEBC Electronic Brake ControllerECC Electronic Climate ControlECM Engine Control ModuleEDU Electronic Driver UnitETC Electronic Throttle ControlEVO Electronically Variable OrificeFOH Fuel Operated HeaterHEBA Heater Evaporator Blower ASMHSM Heated Seat Module

HVAC Heat Vent Air ConditionIPC Instrument Panel ClusterPCM Powertrain Control ModulePDM Passenger Door ModulePPS Pedal Position SensorQS4 QuadrasteerRFA Remote Function ActuatorRPA Rear Parking AidRSA Rear Seat AudioRSE Rear Seat EntertainmentRTD Real Time DampingSDARS Satellite Digital Audio Radio ServicesSDM Sensing and Diagnostic ModuleTAC Throttle Actuator ControlTBC Truck Body ControllerTCM Transmission Control ModuleTPS Throttle Position SensorTREC Transfer Case Electronic ControllerVSES Vehicle Stability Enhancement SystemEAU Electrical Architecture UpdateMCE Mid Cycle Enhancement

Electrical Component Legend – Acronyms and Abbreviations

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2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Power Distribution Centers: Underhood BEC (Fuse Center)

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2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

Fuse # Name Rating Description#1 STUD 1 40A Trailer Wiring, Automatic Level Control (ALC) Compressor Relay#2 MBEC 1 50A SEAT CB, RT DOOR CB#3 BLOWER 40A Blower Motor#4 LBEC 2 50A LOCKS Fuse, DDM Fuse, PDM Fuse, ECC Fuse, AUX PWR 2 Fuse#5 STUD 2 30A Trailer Wiring, Emergency Vehicle Roof Lamp Relay#6 ABS 60A Electronic Brake Control Module (EBCM)#7 VSES/ECAS 60A Not Used#8 IGN A 40A Ignition Switch RUN, START, RUN/START/ACCY, STARTER Relay#9 IGN B 40A Ignition Switch RUN/ACC, RUN/START#10 LBEC 1 50A FLASH Fuse, TBC 2A Fuse, TBC 2B Fuse, TBC 2C Fuse, LT DOORS Fuse#11 TRL PARK 15A Trailer Wiring#12 RR PARK 10A Exterior Lamps-Right Rear, Clearance Lamps-Right#13 LR PARK 10A Exterior Lamps-Left Rear, Clearance Lamps-Left#14 INTPARK 10A Power Takeoff (PTO) Switch, Inflatable Restraint I/P Module Disable Switch#15 STOP LP 25A Stop Lamp Switch#16 TBC BATT 10A Body Control Module (BCM), PASS-Key Module#17 — — Not Used#18 SUNROOF 25A Not Used#19 SEO B2 30A Roof Beacon Relay#20 4WS 15A Rear Wheel Steering Control Module, Evaporative Emission (EVAP) Canister Vent Solenoid#21 RR HVAC 30A Not Used#22 AUX PWR 20A Accessory Power Outlets, Auxiliary Power Outlets#23 PCM 1 15A Powertrain Control Module (PCM), Mass Air Flow (MFS) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid, Fuel Composition

Sensor, Secondary Fuel Pump Relay#24 ETC/ECM 15A Throttle Actuator Control (TAC)#25 INJ 1 (Gas) 15A Fuel Injectors-Odd-Numbered, Ignition Coils-Odd-Numbered#25 ECMRPCV (Diesel) 15A Engine Control Module (ECM)#26 INJ 2 (Gas) 15A Fuel Injectors-Even-Numbered, Ignition Coils-Even-Numbered#26 EDU 15A Fuel Injector Control Module (FCIM)#27 IGN E 10A A/C COMP Relay, Park/Neutral Position (PNP) Switch, Turn Signal/Multifunction Switch, Headlamp Leveling Components, Clutch Start Switch#28 RTD 30A Not Used#29 TRL B/U 10A Body Control Module (BCM), Trailer Wiring, Back-Up Alarm#30 PCM B (Gas) 20A Powertrain Control Module, F/PMP Relay#30 PCM B (Diesel) 20A Engine Control Module (ECM), EDU Relay#31 O2A (Gas) 15A Heated Oxygen Sensors-Upstream

Power Distribution Centers: Underhood BEC (Fuse Center)

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(continued on next page)

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

Fuse # Name Rating Description#31 FUEL HT (Diesel) 15A Fuel Heater, Glow Plug Controller, Intake Air (IA) Heater Relay, EGR System Components#32 B/U LP 20A Park/Neutral Position (PNP) Switch#33 RR DEFOG 30A DEFOG Relay#34 O2B (Gas) 15A Heated Oxygen Sensors-Downstream#34 EMCI (Diesel) 15A IAT/MAF Sensor, Engine Control Module (ECM)#35 SIR 15A Inflatable Restraint Sensing and Diagnostic Module (SDM), Memory Seat Module-Passenger, Inside Rearview Mirror#36 FRT PARK 10A Park/Turn Signal Lamps-Front, Marker Lamps-Front#37 SEO IGN 10A DEFOG Relay, Instrument Panel Cluster (IPC)#38 TBC IGN 1 10A Body Control Module (BCM)#39 HI HDLP-LT 10A Headlamp-High Beam-Left#40 LH HID 20A Not Used#41 DRL 10A DRL Relay (Domestic), Daytime Running Lamps (Export)#42 — — Not Used#43 IPC/DIC 10A Instrument Panel Cluster (IPC)#44 HVAC/ECAS 10A HVAC Control Module#45 CIG LTR 15A Cigar Lighter, Data Link Connector (DLC)#46 HI HDLP-RT 10A Headlamp-High Beam-Right#47 A/C COMP 10A A/C COMP Relay#48 — — Not Used#49 RR WPR 25A Not Used#50 RADIO 15A Entertainment System Components#51 SEO B1 15A Instrument Panel Cluster (IPC), Rear Fog Lamp Relay, Overhead Console, Roof Beacon Switch#52 LO HDLP-LT 10A Headlamp-Low Beam-Left#53 BTSI 10A Stop Lamp Switch#54 CRANK 10A Powertrain Control Module (PCM)-Gas, Engine Control Module (ECM)-Diesel#55 LO HDLP-RT 10A Headlamp-Low Beam-Right#56 FOG LP 15A FOG LP Relay#57 W/S WASH 15A W/S WASH Relay#58 INFO 15A Vehicle Communication Interface Module (VCIM), Rear Seat Entertainment (RSE) Assembly, Remote Playback Device-CD Player#59 RADIO AMP 30A Audio Amplifier#60 RH HID 20A Not Used#61 HORN 15A Horn-Left, Horn-Right#62 EAP 15A Not Used#63 TREC 30A Transfer Case Encoder Motor, Transfer Case Shift Control Module#64 SBA 15A Supplemental Brake Assist

Power Distribution Centers: Underhood BEC (Fuse Center) (continued)

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2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Power Distribution Centers: Underhood – Fuse Block

B-7PAG

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(1) Fuse Block-Underhood Bracket(2) I/P Harness(3) Radiator Support(4) Inline Connector C103 or C104-I/P Harness Side(5) Inline Connector C103 or C104-Forward Lamp Harness Side(6) LH Battery Tray(7) Fuse Block-Underhood Bracket(8) Fuse Block-Underhood Bracket

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Power Distribution Centers : MID BEC (Relay Center)

B-8PAG

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SEO TRLR UPFITThe following connectors allow for easy access to vehicle functions. Theseare open connector positions on the Mid BEC.

SEO connector in Mid BEC – Connector C-8Connector 12193930 – BLK

Cavity Wire Color Circuit No. Function Fuse RatingA Orange 2340 Hot at all times 30 Amp - SEO2 FuseB ——— ——— Not Used —————————-C Pink 739 Hot Run/Start 10 Amp - SEO IGN FuseD Yellow 243 Hot Accy/Run 10 Amp - SEO ACCY FuseE Orange 4540 Hot at all times 15 Amp - SEO B1 FuseF Black 1050 Ground ——————————

Trailer Brake Control wiring harness connector in Mid BEC – Connector C-7Connector 12193924 – BRN

Cavity Wire Color Circuit No. FunctionA Brown 2409 Interior Park Lamp FeedB Red 242 Hot at all timesC Dark Blue 47 Trailer Brake Control FeedD Light Blue 1620 Trailer CHMSL FeedE ——— ——— Not UsedF Ground 1050 Ground

Upfitter Connector in Mid BEC – no # designationConnector 12914033 - CRM

Cavity Wire Color Circuit No. FunctionA Orange 4540 Hot at all timesB ——— ——— Not UsedC ——— ——— Not UsedD Dark Green 817 Primary Vehicle Speed Signal

All of the connectors and pin-outs are listed in the Connector and Pin-outsection for the Mid BEC.

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Power Distribution Centers : MID BEC (Relay Center) Location

B-9PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Power Distribution Centers : Left BEC (Fuse Center)

B-10PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

Fuse # Name Rating Description#1 IGN 3 10A Rear Wheel Steering Control Module#2 ECC 10A Not Used#3 DDM 15A Driver Door Module (DDM)#4 VEH STOP 15A Tail/Stop and Turn Signal Lamps-Rear, Throttle Actuator Control (TAC)#5 IGN 0 10A Passlock Sensor, Automatic Transmission, Powertrain Control Module (PCM)-Gas, Engine Control Module (ECM)-Diesel#6 RR WPR6 15A Not Used#7 4WD 15A Front Axle Actuator, Transfer Case Shift Control Switch, Auxiliary Battery Relay#8 TBC IGN 0 10A Body Control Module (BCM)#9 CRUISE 10A Cruise Control Switch, Cruise Control Module, Steering Wheel Speed/Position Sensor, Power Takeoff (PTO) Switch#10 HVAC 1 10A HVAC Control Module, HVAC Actuators#11 HTR/AC 30A HVAC Control Module#12 SEO ACCY 10A Upfitter Provisions#13 VEH CHMSL 10A Center High Mounted Stop Lamp (CHMSL)#14 BRAKE 10A Stop Lamp Switch, Electronic Brake Control Module (EBCM), Clutch Start Switch#15 WS WPR 25A Windshield Wiper Motor Module#16 PDM 10A Front Passenger Door Module (FPDM)#17 TBC 2B 15A Body Control Module (BCM)#18 TBC 2C 15A Body Control Module (BCM)#19 AUX PWR 2 20A Not Used#20 TBC ACCY 10A Body Control Module (BCM)#21 RT TRLR ST/TRN 10A Trailer Wiring#22 LT TRLR ST/TRN 10A Trailer Wiring#23 TBC 2A 15A Body Control Module (BCM)#24 LOCKS 20A Door Lock/Unlock Relays#25 FLASH 25A Turn Signal/Hazard Flasher Module#26 RT TRN 10A Turn Signal Lamps-Right, Marker Lamps-Right, Front Passenger Door Module (FPDM), Instrument Panel Cluster (IPC)#27 LT TURN 10A Turn Signal Lamps-Left, Marker Lamps-Left, Driver Door Module (DDM), Instrument Panel Cluster (IPC)#28 LT DOORS (CB) 25A Driver Door Module (DDM), Window Switch-LR

Power Distribution Centers : Left BEC (Fuse Center)

B-11PAG

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2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Power Distribution Centers : Left BEC (Fuse Center)

B-12PAG

E

(1) Fuse Block Connector(2) Body Control Module (BCM) Connector(3) Splice Pack 205 (SP205)(4) Fuse Block(5) Data Link Connector (DLC)(6) LH IP Courtesy Lamp(7) LH IP Courtesy Lamp Socket(8) LH IP Support to Dash(9) Left Windshield Pillar Trim Panel

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Power Distribution Centers : Right BEC (Fuse Center)

B-13PAG

E

(1) Fuse Block-Right I/P(2) Instrument Panel

FIGURE Fuse Block – Right I/P (c)

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Ground Zones – Chassis-Cab

B-14PAG

E

GND ZONE 8Circuit #550

GND ZONE 17Circuit #1750

GND ZONE 18Circuit #1851

Type = DIRTY DRIVER SEAT/DSMROOF MTD BEACONROOF MTD BEACON RLY

GROUND ZONE 11

PASSENGER SEATCHMSLRR DEFOG GRID

GROUND ZONE 12Type = DIRTY

TRLR WIRINGRH PARK LMPLH PARK LMPRH STOP LMPLH STOP LMPRH LICENSE LMPLH LICENSE LMPRH B/U LMPLH B/U LMPRH RR TURN LMPLH RR TURN LMPType = DIRTY

GROUND ZONE 17

Type = CLEANGROUND ZONE 23

SDM MDLAOS MDL

GND ZONE 23

Circuit #2150GND ZONE 21A

Circuit #2150GND ZONE 21B

GND ZONE 12Circuit #1250

GND ZONE 11Circuit #1150

ATCCASE

SDMCASE

GND ZONE 1Circuit #150

CASE COLUMN

CASEPARK BRAKE

CASERADIO

CASEHORN

Circuit #2351

GND ZONE 19

GND ZONE 9UNDER HOOD GND

UNDER HOOD GND

Circuit #1050GND ZONE 10

CASE GROUNDType = CASE

KNOCK SENSOR 1KNOCK SENSOR 2

GROUND ZONE 5

COIL ASM DRIVERODD IGN COILS/DRIVEREVEN IGN COILS/DRIVERType = DIRTY

(SB550)

GND ZONE 5

RIGHTREARENGINEBLOCK

GND ZONE 4

ENGINEBLOCK

RPO = LB7

And RPO Gate

ENGINE

GND ZONE 7RH

MAN XFER CASE SW

GND ZONE 3

BLOCKENGINEFRONT

Type = CASECASE GROUND

GROUND ZONE 4

O2 SENSOR #4O2 SENSOR #3O2 SENSOR #2O2 SENSOR #1LOW OIL SWITCHMAF SENSOR & IATNSBU SWITCHTCM GND #2TCM GND #1PCM/ECM GND #4PCM/ECM GND #3PCM/ECM GND #2PCM/ECM GND #1Type = CLEAN

CLUSTERDATA LINK CONN.U/H LMPHAZARD SWITCH

GROUND ZONE 10

WRECKER PKG RELAYEMERGENCY LT RELAYLIGHT BAR SWITCHEAP RELAYHEADLAMP SWBTSI SWITCH

Type = DIRTY DDMLF MINI-WEDGEDRIVER DR LOCK SWDOOR LOCK RELAYLH CTSY LMPFRONT WIPER SWFRT PCAT SENSOR/MTRTRANSFER CASE SWTREC MDL - GND #1TREC MDL GND #2FRONT WIPER MOTOR

SECONDARY FUEL PUMPPRIMARY FUEL PUMP

GROUND ZONE 21AType = DIRTY

FRT AXLE SWITCH ASMABS PUMP

TRANSFER CASE LEVER ASM

Type = DIRTYGROUND ZONE 21B

GN

D Z

ON

E 6

BL

OC

KE

NG

INE

Type = DIRTY PRIMARY FUEL RELAYBRAKE DIFFERENTIAL SWIGN1 RELAYLOW COOLANT SWEVEN IGN COILS/DRIVERODD IGN COILS/DRIVERCOIL ASM DRIVERA/C CLUTCH

GROUND ZONE 5

ETC MODULEPSI CYCLING SWPTO CONNECTORAUX BATT SOLENOID (TP2)FLEX FUEL SENSORHYDROBOOST FLUID LVL SWBRAKE FLUID LVL SW

And RPO Gate

RPO = LB7

(SA550)

EDU (LB7)Type = CASE

CASE GROUND

GROUND ZONE 6

BATTERY NEGType = DIRTY

FOG LMP SWBOSE AMPTBC GND #2TBC GND #1DATA LINK CONN. GND #2

CLEAN TOW/HAUL & KEY IN SWHI-RES POS SENSORRADIO GNDFLASHER ASMLF PWR DOOR LCK SWCDX MODULEADG CONN.ONSTAR MODULE GND #1ONSTAR MODULE GND #2IPC MODULE GND #2HEADLAMP SW GND #2PASS LOCK SWCRUISE MODULEDAB/SDARS MODULEHVAC MODULE

GROUND ZONE 18

PTO SWITCHRH CTSY LMPCIGAR LIGHTER

GROUND ZONE 10

HVAC MDL BACKLIGHTRF MINI-WEDGEAUX PWR OUTLETPSIR DEFEAT SWGLOVE BOX LMPROOF MARKER LMPSASHTRAY LAMP

PDMISRV MIRROR/COMPASSO/H READING LMPSPASS LOCK SWFRT AUX HVAC MDLPOWER POINTAUX PWR OUTLET

Type = DIRTY AIR INLET MTR ASMBLOWER MTR RES ASMFRONT BLOWER MTRAUX PWR OUTLETAUX PWR OUTLET

Type = CASECASE GROUND

GENERATORS

CASE GROUNDType = CASE

STARTER MTR

SPK/GLW PLUGS Type = CASE

CASE GROUND

GLW PLUG CONTROLLERGP LT BNK CNTL RLY COILGP RT BNK CNTL RLY COIL

RR WASHER PMP MTRLOW WASHER SWITCH

GROUND ZONE 1Type = DIRTY

PRIMARY BATT NEG

(AUX AND SEC)BATT NEGType = DIRTY

GROUND ZONE 7

RH HORNLH HORNRH DRLLH DRLRH TURN/PARK LMPLH TURN/PARK LMPRH LOW BEAM LMPLH LOW BEAM LMPRH HIGH BEAM LMPLH HIGH BEAM LMPRH FOG LMPLH FOG LMPFRT WASHER PMP MTR

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

X CKMC030Ground DistributionPROJECT C/K EAU03

Thursday, May 2, 2002

2:59:43 pm

$IVEDWORK/k33m_gnd__007schematic sheet1

k33m_gnd212

0071

K33m_gnd_01

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Ground Zones – Pickup

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LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

X CKMC030Ground DistributionPROJECT C/K EAU03

Thursday, May 2, 2002

2:59:43 pm

$IVEDWORK/k33m_gnd__007schematic sheet1

k33m_gnd212

0071

GND ZONE 15Circuit #1550

GND ZONE 16Circuit #1650

GND ZONE 22Circuit #2250

GND ZONE 17Circuit #1750

GND ZONE 26Circuit #2650

GROUND ZONE 26Type = DIRTY RR DEFOG GRID (43)

CASESDM

Circuit #2851GND ZONE 28

HD TRLR WIRINGRTD COMPRESSOR (36)LH RR TURN LMPRH RR TURN LMNPLH B/U LMPRH B/U LMPLH LICENSE LMPRH LICENSE LMPLH STOP LMPRH STOP LMPLH PARK LMPRH PARK LMPMSR RR SHOCKMSR LR SHOCK

GROUND ZONE 17Type = DIRTY

RTD MDL (36)RPA DIAG. CONN. (36)RR HTD SEAT (43)RR DOOR CTSY LMP (43)RR PWR WDO SW (43)RR MINI-WEDGE (43)PASSENGER SEAT

RPA MDL (36)RR DEFOG GRID

CHMSL (36)

GROUND ZONE 16Type = DIRTY

MSR LF SHOCKMSR RF SHOCK

BACKUP ALARMEMERGENCY LT

GND ZONE 21Circuit #2150

GND ZONE 8Circuit #550

GND ZONE 10Circuit #1050

GND ZONE 18Circuit #1851

BOSE AMPDATA LINK CONN. GND #2

CLEAN TOW/HAUL & KEY IN SWHI-RES POS SENSORRADIO GNDFLASHER ASMLF PWR DOOR LCK SWCDX MODULEVSES MODULEONSTAR MODULE GND #1ONSTAR MODULE GND #2

HEADLAMP SW GND #2PASS LOCK SWCRUISE MODULEDAB/SDARS MODULEHVAC MODULE

TCS/VSES SWITCHRPA DISABLE SW (36)

IPC MODULE GND #2

GROUND ZONE 18

TRLR WIRING

FRT FOG SW

ADG CONN.TBC GND #2TBC GND #1

GND ZONE 11Circuit #1150

HORNCASE

RADIOCASE

PARK BRAKECASE

COLUMNCASE

Circuit #150GND ZONE 1

CASEATC

GND ZONE 12Circuit #1250

GND ZONE 23Circuit #2351

GROUND ZONE 21Type = DIRTY ABS PUMP

FRT AXLE SWITCH ASMTRANSFER CASE LEVER ASMPRIMARY FUEL PUMPSECONDARY FUEL PUMP

RH HIGH BEAM LMPLH LOW BEAM LMPRH LOW BEAM LMPLH TURN/PARK LMPRH TURN/PARK LMPLH DRLRH DRLLH HORNRH HORN

LH POSITION LMP (EXP)RH POSITION LMP (EXP)

PRIMARY BATT NEGLOW WASHER SWITCHRR WASHER PMP MTRFRT WASHER PMP MTRLH FOG LMPRH FOG LMPLH HIGH BEAM LMP

Type = DIRTYGROUND ZONE 12

MSR SWITCHFRT PCAT SENSOR/MTRRF MINI-WEDGESUNROOF RELAYPOWER SUNROOFROOF MARKER LMPSFRT AUX HVAC MDLPASS LOCK SWC-PILLAR DOME/RDG LMP (43)O/H READING LMPSB-PILLAR DOME/RDG LMP (43)ISRV MIRROR/COMPASSPDM

Type = DIRTYGROUND ZONE 15

LR DR CTSY LMP (43)LR PWR WDO SW (43)LR MINI-WEDGE (43)Type = DIRTY

GROUND ZONE 11

ROOF MTD BEACON RLYROOF MTD BEACON DRIVER SEAT/DSMLR HTD SEAT (43)

CIGAR LIGHTERRH CTSY LMPPTO SWITCHAUX PWR OUTLETAUX PWR OUTLETFRONT BLOWER MTRBLOWER MTR RES ASMAIR INLET MTR ASMType = DIRTY

AUX PWR OUTLETPOWER POINTLR HTD SEAT SW (43)RR HTD SEAT SW (43)

ASHTRAY LMPQS4 SWITCHGLOVE BOX LMPPSIR DEFEAT SWAUX PWR OUTLETCIGAR LIGHTER ILLUMHVAC MDL BACKLIGHT

GROUND ZONE 10

RTD MDL (36)AOS MDL (36)SDM MDLRF MTD BEACON (43)RF MTD BEACON RLY (43)

GROUND ZONE 23Type = CLEAN

UNDER HOOD GNDGND ZONE 9

GND ZONE 19UNDER HOOD GND

GND ZONE 4

BLOCKENGINEREARRIGHT

RPO = LB7

And RPO Gate

GND ZONE 5

BLOCKENGINE

Type = DIRTYGROUND ZONE 1

Type = DIRTYGROUND ZONE 10

FRONTENGINEBLOCK

GND ZONE 3

(SB550)Type = DIRTY EVEN IGN COILS/DRIVER

ODD IGN COILS/DRIVERCOIL ASM DRIVER

GROUND ZONE 5

And RPO Gate

RPO = LB7

KNOCK SENSOR 2KNOCK SENSOR 1

Type = CASECASE GROUND

CASE GROUNDType = CASE

STARTER MTRType = CASE

CASE GROUND

GENERATORS

CASE GROUNDType = CASE

MAN XFER CASE SW

Type = DIRTY BATTERY NEGQS4 MOTORQS4 MODULE

GROUND ZONE 6

EN

GIN

EB

LO

CK

GN

D Z

ON

E 6

LIGHT BAR SWITCHEMERGENCY LT RELAY

GROUND ZONE 10

HAZARD SWITCHU/H LMPDATA LINK CONN.CLUSTERFRONT WIPER MOTORTREC MDL GND #2TREC MDL - GND #1TRANSFER CASE SWEMERGENCY LT RELAYFRONT WIPER SWLH CTSY LMPDOOR LOCK RELAYDRIVER DR LOCK SWLF MINI-WEDGEDDMType = DIRTY

BTSI SWITCHHEADLAMP SWEAP RELAY

(SA550)

BRAKE FLUID LVL SWHYDROBOOST FLUID LVL SWFLEX FUEL SENSORAUX BATT SOLENOID (TP2)PTO CONNECTORPSI CYCLING SWETC MODULE

GROUND ZONE 5

A/C CLUTCHCOIL ASM DRIVERODD IGN COILS/DRIVEREVEN IGN COILS/DRIVERLOW COOLANT SWIGN1 RELAYBRAKE DIFFERENTIAL SWPRIMARY FUEL RELAYType = DIRTY

CASE GROUNDType = CASE

EDU (LB7)

GND ZONE 7

ENGINERH

BATT NEG(AUX AND SEC)

GP RT BNK CNTL RLY COILGP LT BNK CNTL RLY COIL

GLW PLUG CONTROLLER

CASE GROUNDType = CASE

SPK/GLW PLUGS

GROUND ZONE 7Type = DIRTY

Type = CLEAN PCM/ECM GND #1PCM/ECM GND #2PCM/ECM GND #3PCM/ECM GND #4TCM GND #1TCM GND #2NSBU SWITCHMAF SENSOR & IATLOW OIL SWITCHO2 SENSOR #1O2 SENSOR #2O2 SENSOR #3O2 SENSOR #4

GROUND ZONE 4

K33m_gnd_02

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical

Ground Zones – Utility

B-16PAG

E

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

X CKMC030Ground DistributionPROJECT C/K EAU03

Thursday, May 2, 2002

2:59:43 pm

$IVEDWORK/k33m_gnd__007schematic sheet1

k33m_gnd212

0071

GROUND ZONE 11

ROOF MTD BEACON RLYROOF MTD BEACON DRIVER SEAT/DSMLR HTD SEATLR DR CTSY LMPLR PWR WDO SWLR MINI-WEDGEType = DIRTY

GROUND ZONE 16Type = DIRTY BACKUP ALARM

EMERGENCY LT

MSR LF SHOCKMSR RF SHOCKType = DIRTY

GROUND ZONE 15

GROUND ZONE 17Type = DIRTY HD TRLR WIRING

RTD COMPRESSORLH RR TURN LMPRH RR TURN LMNPLH B/U LMPRH B/U LMPLH LICENSE LMPRH LICENSE LMPLH STOP LMPRH STOP LMPLH PARK LMPRH PARK LMPMSR LR SHOCKMSR RR SHOCK

Circuit #2851GND ZONE 28

GND ZONE 17Circuit #1750

GND ZONE 16Circuit #1650

GND ZONE 14Circuit #1450

GND ZONE 11Circuit #1150

GND ZONE 22Circuit #2250

GND ZONE 15Circuit #1550

CHMSL

RH DOOR AJAR (ZW9)RTD MODULERPA DIAGNOSTIC CONN.RPA MODULELH DOOR AJAR (ZW9)D-PILLAR POWER POINT

Type = DIRTY RR AUX MODE ACTRR AUX TEMP ACTRR HVAC MODULE GND #1RR HVAC MODULE GND #2RR ECC MODULE ASMRR HTR A/C MDL ASMRR AUX HVAC ASMRR HVAC MDL ASM

GROUND ZONE 14

LIFT GLASS SWKEY CYL SWRR WIPER MMTRLH LIFT GATE AJAR SWRH LIFT GATE AJAR SWLIFT GATE WDO GRID (E52)

Type = DIRTY(SB550)

And RPO Gate

RPO = LB7

GROUND ZONE 5

COIL ASM DRIVERODD IGN COILS/DRIVEREVEN IGN COILS/DRIVER

(SA550)Type = DIRTY PRIMARY FUEL RELAY

BRAKE DIFFERENTIAL SWIGN1 RELAYLOW COOLANT SWEVEN IGN COILS/DRIVERODD IGN COILS/DRIVERCOIL ASM DRIVERA/C CLUTCH

GROUND ZONE 5

ETC MODULEPSI CYCLING SWPTO CONNECTORAUX BATT SOLENOID (TP2)FLEX FUEL SENSORHYDROBOOST FLUID LVL SWBRAKE FLUID LVL SW

GROUND ZONE 21AType = DIRTY ABS PUMP

FRT AXLE SWITCH ASMTRANSFER CASE LEVER ASM

KNOCK SENSOR 2KNOCK SENSOR 1

Type = CASE

Type = DIRTYGROUND ZONE 12

RR HTD SEATRR DOOR CTSY LMPRR PWR WDO SWRR MINI-WEDGEPASSENGER SEAT

DATA LINK CONN. GND #2

CLEAN TOW/HAUL & KEY IN SWHI-RES POS SENSORRADIO GNDFLASHER ASMLF PWR DOOR LCK SWCDX MODULEVSES MODULEONSTAR MODULE GND #1ONSTAR MODULE GND #2IPC MODULE GND #2RSA MODULE GNDPASS LOCK SWCRUISE MODULEDAB/SDARS MODULEHVAC MODULE

RSE MODULEHEADLAMP SW GND #2TCS/VSES SW

FRT FOG/RR WIPER SWFOG/CARGO LAMP SWRPA DISABLE SW

GROUND ZONE 18

TRLR WIRINGADG CONN.TBC GND #2TBC GND #1BOSE AMP

QS4 MODULEQS4 MOTORBATTERY NEGType = DIRTY

GROUND ZONE 6

Type = CLEAN CARGO LOCK SWRTD MODULEAOS MODULESDM MODULE

GROUND ZONE 23

GND ZONE 9UNDER HOOD GND

LR HTD SEAT SWRR HTD SEAT SWUM8 RADIO

ANALOG CLOCKQS4 SWITCHGLOVE BOX LMPPSIR DEFEAT SWAUX PWR OUTLETCIGAR LIGHTER ILLUMHVAC MDL BACKLIGHT

GROUND ZONE 10

CIGAR LIGHTERRH CTSY LMPPTO SWITCHAUX PWR OUTLETAUX PWR OUTLETFRONT BLOWER MTRBLOWER MTR RES ASMAIR INLET MTR ASMType = DIRTY

ASHTRAY LMPAUX PWR OUTLETPOWER POINT

PRIMARY FUEL PUMPSECONDARY FUEL PUMP

GROUND ZONE 21BType = DIRTY

RH HIGH BEAM LMPLH LOW BEAM LMPRH LOW BEAM LMPLH TURN/PARK LMPRH TURN/PARK LMPLH DRLRH DRLLH HORNRH HORN

PRIMARY BATT NEG

Type = DIRTYGROUND ZONE 1

LOW WASHER SWITCHRR WASHER PMP MTRFRT WASHER PMP MTRLH FOG LMPRH FOG LMPLH HIGH BEAM LMP

Circuit #150

CASE COLUMN

CASEPARK BRAKE

CASERADIO

CASEHORN

GND ZONE 12Circuit #1250

GND ZONE 21BCircuit #2150

GND ZONE 21ACircuit #2150

GND ZONE 8Circuit #550

GND ZONE 10Circuit #1050

GND ZONE 18Circuit #1851

GND ZONE 23Circuit #2351

ATCCASE

SDMCASE

GND ZONE 1

UNDER HOOD GNDGND ZONE 19

CASE GROUNDType = CASE

EDU (LB7)

RF MINI-WEDGE

Type = DIRTY MSR SWITCHFRT PCAT SENSOR/MTRB-PILLAR DOME LMP (-YE9)C-PILLAR DOME LMP (-YE9)D-PILLAR DOME LMP (-YE9)LH SUNSHADE ILLUMFRT AUX HVAC MDLRR PCAT SENSOR/MTR

GROUND ZONE 10

RH SUNSHADE ILLUMC-PILLAR DOME/RDG LMP (+YE9)O/H READING LMPSB-PILLAR DOME/RDG LMP (+YE9)ISRV MIRROR/COMPASSPDMPASS LOCK SW

ROOF MARKER LMPSPOWER SUNROOFSUNROOF RELAY

And RPO Gate

RPO = LB7

GENERATORS

CASE GROUNDType = CASE

GND ZONE 7

ENGINERH

STARTER MTRType = CASE

CASE GROUND

EN

GIN

EB

LO

CK

GN

D Z

ON

E 6

FRONTENGINEBLOCK

GND ZONE 3

CASE GROUND

DDMLF MINI-WEDGEDRIVER DR LOCK SWDOOR LOCK RELAYLH CTSY LMPFRONT WIPER SWEMERGENCY LT RELAYTRANSFER CASE SWTREC MDL - GND #1TREC MDL GND #2FRONT WIPER MOTORCLUSTERDATA LINK CONN.U/H LMPHAZARD SWITCH

GROUND ZONE 10

EMERGENCY LT RELAYLIGHT BAR SWITCHEAP RELAYHEADLAMP SWBTSI SWITCH

Type = DIRTY

MAN XFER CASE SW

CASE GROUNDType = CASEGP RT BNK CNTL RLY COIL

GP LT BNK CNTL RLY COILGLW PLUG CONTROLLER

CASE GROUNDType = CASE

SPK/GLW PLUGS

GND ZONE 5

BLOCKENGINE

(AUX AND SEC)

GROUND ZONE 7Type = DIRTY BATT NEG

GND ZONE 4

BLOCKENGINEREARRIGHT

GROUND ZONE 4

O2 SENSOR #4O2 SENSOR #3O2 SENSOR #2O2 SENSOR #1LOW OIL SWITCHMAF SENSOR & IATNSBU SWITCHTCM GND #2TCM GND #1PCM/ECM GND #4PCM/ECM GND #3PCM/ECM GND #2PCM/ECM GND #1Type = CLEAN

K33m_gnd_03

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

SEO Connector in Mid BEC – Connector C-8

C-1PAG

E

Connector Packard 280 SeriesTypical Connector 12193930 (F) Color BLKTypical Terminal 12191479Typical Cable Seal n/a

Cavity Wire Color Circuit No. Function Fuse Rating

A ORN 2340 Hot at all times 30 Amp – SEO2 Fuse

B —— —— Not Used ——

C PNK 739 Hot Run/Start 10 Amp – SEO IGN Fuse

D YEL 243 Hot Accy/Run 10 Amp – SEO ACCY Fuse

E ORN 4540 Hot at all times 15 Amp – SEO B1 Fuse

F BLK 1050 Ground ——

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

Trailer Brake Control Wiring Harness Connector in Mid BEC – Connector C-7

C-2PAG

E

Connector Packard 280 SeriesTypical Connector 12193924 (F) Color BRNTypical Terminal 12191479Typical Cable Seal n/a

Cavity Wire Color Circuit No. Function

A BRN 2409 Interior Park Lamp Feed

B RED 242 Hot at all times

C BLU DK 47 Trailer Brake Control Feed

D BLU LT 1620 Trailer CHMSL Feed

E —— —— Not Used

F BLK 1050 Ground

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

Upfitter Connector in Mid BEC – no # designation

C-3PAG

E

Connector Packard 280 SeriesTypical Connector 12914033 (F) Color CRMTypical Terminal 12191479Typical Cable Seal n/a

Cavity Wire Color Circuit No. Function

A ORN 4540 Hot at all times

B —— —— Not Used

C —— —— Not Used

D GRN DK 817 Primary Vehicle Speed Signal

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

Mid BEC Connectors Location

C-4PAG

E

SEO TRLR UPFIT

MBEC is located underneath the instrument panel to the left of the steering column.

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’04 - ’05) Engine Control Module (ECM) Connector C-1

C-5PAG

E

Connector 56-Way F Micro 64 Sealed (BLU)Typical Connector 15357147 (F)Color BLUTypical Terminal 15356828Typical Cable Seal 15357153 (orange)

Pin Wire Color Circuit No. Function1 YEL 2361 SAE J1939 Serial Data Bus +2 DK GRN 2362 SAE J1939 Serial Data Bus –

3-4 —— —— Not Used5 ORN 440 Battery Positive Voltage6 —— —— Not Used7 ORN/BLK 1057 Low Reference8 PNK/BLK 632 Low Reference9 BLK/WHT 451 Ground10 PNK 439 Ignition 1 Voltage

11-12 —— —— Not Used13 YEL 492 MAF Sensor Signal14 BRN/WHT 5763 EGR Valve Position Signal15 DK GRN 1049 Class 2 Serial Data16 YEL 710 Class 2 Serial Data17 TAN 1274 5-Volt Reference18 PNK 1020 Ignition 0 Voltage (M74)19 PNK 439 Ignition 1 Voltage20 ORN 440 Battery Positive Voltage21 GRY 2700 5-Volt Reference22 —— —— Not Used23 ORN/BLK 5929 5-Volt Reference

24-25 —— —— Not Used26 DK BLU 507 Wait to Start Indicator Control27 —— —— Not Used28 LT BLU 1162 APP Sensor 2 Signal

chart continued on next page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’04 - ’05) Engine Control Module (ECM) Connector C-1 (continued)

C-6PAG

E

Pin Wire Color Circuit No. Function29 —— —— Not Used30 PPL 1589 Fuel Level Sensor Signal – Primary31 WHT/BLK 2932 5-Volt Reference32 WHT/BLK 1164 5-Volt Reference33 TAN 2917 5-Volt Reference34 GRY 2705 5-Volt Reference35 —— —— Not Used36 YEL/BLK 1275 5-Volt Reference

37 YEL 2834Fuel Pressure Regulator

Solenoid Control39 GRY 597 5-Volt Reference

40 PPL/WHT 2530Fuel Pressure Regulator Solenoid

Supply Voltage41 GRY 23 Generator Field Duty Cycle Signal42 PNK 1039 Ignition 1 Voltage

Pin Wire Color Circuit No. Function43 DK BLU 1936 Fuel Level Sensor Signal – Secondary44 DK GRN/WHT 465 Fuel Pump Relay Control45 —— —— Not Used46 YEL/BLK 1827 Vehicle Speed Sensors47 GRY 2703 5-Volt Reference

48-49 —— —— Not Used50 RED 631 12-Volt Reference

51 YEL 2834Fuel Pressure Regulator

Solenoid Control52 GRY/BLK 2219 FICM Relay Control53 DK GRN/WHT 817 Vehicle Speed Signal

54 PPL/WHT 2530Fuel Pressure Regulator Solenoid

Supply Voltage55 —— —— Not Used56 PNK 1039 Ignition 1 Voltage

chart continued from previous page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’04 - ’05) Engine Control Module (ECM) Connector C-2

C-7PAG

E

Connector 73-Way F Micro 64 Sealed (BLK)Typical Connector 15357131 (F)Color BLKTypical Terminal 15356826Typical Cable Seal 15357153 (orange)Individual Cable Seal 15366065 (orange)

Pin Wire Color Circuit No. Function1 —— —— Not Used2 ORN/BLK 2919 Low Reference3 —— —— Not Used4 BRN 25 Charge Indicator Control

5-6 —— —— Not Used7 GRY/BLK 1694 4WD Low Signal8 BLK 2754 Low Reference

9-12 —— —— Not Used13 BLK 2751 Low Reference14 GRY 720 Low Reference

15-16 —— —— Not Used17 YEL/BLK 508 Water in Fuel Indicator Control18 —— —— Not Used19 DK BLU 1161 APP Sensor 1 Signal20 —— —— Not Used21 DK BLU 2466 Trans MIL Request22 —— —— Not Used23 LT GRN 432 Turbocharger Boost Sensor Signal24 DK GRN 1163 APP Sensor 3 Signal25 TAN/WHT 332 Oil Pressure Sensor Signal26 BRN 1174 Oil Level Switch Signal27 YEL 1578 Fuel Temperature Signal28 LT GRN 1867 12-Volt Reference29 GRY/BLK 2931 Low Reference

chart continued on next page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’04 - ’05) Engine Control Module (ECM) Connector C-2 (continued)

C-8PAG

E

Pin Wire Color Circuit No. Function30 ORN/BLK 469 Low Reference

31 YEL 5775Turbocharger Vane Position

Sensor Signal32 —— —— Not Used33 ORN/BLK 5764 EGR Motor High Control34 —— —— Not Used35 LT GRN/ BLK 5746 EGR Motor Low Control36 BLK/WHT 451 Ground37 —— —— Not Used38 LT GRN 1478 Coolant Level Switch Signal39 BLK 2755 Low Reference40 BRN 1271 Low Reference41 —— —— Not Used42 YEL 2918 FRP Sensor Signal44 TAN 5928 Low Reference45 —— —— Not Used46 GRY/BLK 433 Baro Sensor Signal

47-48 —— —— Not Used

49 DK BLU 5930Turbocharger Vane Position Control

Solenoid Valve High Control50 WHT 5931 Low Reference51 —— —— Not Used52 PNK/BLK 1746 Fuel Injector 3 Control

Pin Wire Color Circuit No. Function53 ORN/BLK 5764 EGR Motor High Control54 PPL 1272 Low Reference55 LT GRN/ BLK 5746 EGR Motor Low Control56 GRY 1273 Low Reference57 BRN 2524 Generator 2 Turn on Signal58 BLK 552 Low Reference59 —— —— Not Used60 LT BLU 1320 CHMSL Supply Voltage

61 PPL 420TCC Brake Switch/Cruise Control

Release Signal62 —— —— Not Used63 LT BLU 2832 Engine Speed Signal64 BLK 470 Low Reference65 LT GRN/BLK 1745 Fuel Injector 2 Control66 RED/BLK 877 Fuel Injector 7 Control67 YEL 410 ECT Sensor Signal68 DK BLU/WHT 878 Fuel Injector 8 Control69 LT BLU/BLK 844 Fuel Injector 4 Control70 BLK/WHT 845 Fuel Injector 5 Control71 YEL/BLK 846 Fuel Injector 6 Control72 BLK 1744 Fuel Injector 1 Control73 BLK/WHT 451 Ground

chart continued from previous page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’04 - ’05) Engine Control Module (ECM) Connector C-3

C-9PAG

E

Connector 56-Way F Micro 64 Sealed (GRY)Typical Connector 15357148 (F)Color GRYTypical Terminal 15356826Typical Cable Seal 15357153 (orange)

Pin Wire Color Circuit No. Function1 LT BLU 494 PTO Engine Kill Signal (PTO)

2-5 —— —— Not Used6 LT GRN 488 PTO on Switch Signal (PTO)7 —— —— Not Used8 BLK/WHT 1695 Front Axle Switch Signal9 —— —— Not Used10 PNK 1039 Ignition 1 Voltage11 —— —— Not Used

12PPL/WHT 821 VSS High Signal (ML6)

YEL 400 VSS High Signal (M74)13 —— —— Not Used14 PNK 1039 Ignition 1 Voltage

15-16 —— —— Not Used17 YEL 2522 PTO Engage Signal (PTO)18 PPL 806 Crank Voltage19 DK BLU 84 Cruise Control Set/Coast Switch Signal

20-21 —— —— Not Used

22 GRY/BLK 87Cruise Control Resume/Accel

Switch Signal23 LT GRN/BLK 822 VSS Low Signal (ML6)24 TAN 472 IAT Sensor Signal

25-29 —— —— Not Used30 GRY 397 Cruise Control on Switch Signal31 ORN/BLK 1786 Park/Neutral Signal32 —— —— Not Used33 RED/BLK 380 A/C Refrigerant Pressure Sensor Signal

chart continued on next page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’04 - ’05) Engine Control Module (ECM) Connector C-3 (continued)

C-10PAG

E

Pin Wire Color Circuit No. Function34 —— —— Not Used35 YEL/BLK 625 Starter Enable Relay Control36 —— —— Not Used37 WHT 121 Engine Speed Signal39 PPL 2562 PTO Control (PTO)40 BRN/WHT 419 MIL Control41 DK GRN/WHT 459 A/C Compressor Clutch Relay Control42 —— —— Not Used43 YEL/BLK 1868 Low Reference

Pin Wire Color Circuit No. Function44 BLK/WHT 451 Ground45 GRY 1524 Backup Lamp Supply Voltage46 —— —— Not Used47 GRY 48 CPP Switch Signal48 BRN 718 Low Reference

49-50 —— —— Not Used51 BRN/WHT 633 CMP Sensor Signal52 DK BLU/WHT 1869 CKP Sensor Signal

53-56 —— —— Not Used

chart continued from previous page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’04 - ’05) Engine Control Module (ECM) Location

C-11PAG

E

(1) Battery Tray – Left(2) Engine Control Module (ECM)(3) Transmission Control Module (TCM)(4) Fan Shroud

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’06) Engine Control Module (ECM) Connector C-1

C-12PAG

E

Connector 96-Way F Sealed (BK)Typical Connector 15438366 (F)Color BKTypical Terminal – – –Typical Cable Seal – – –

Pin Wire Color Circuit No. Function

GY 5421Injector Positive Voltage Control

Group 1 (Early Production)1

OG 5421Injector Positive Voltage Control

Group 1 (Late Production)2 D-BU/WH 878 Fuel Injector 8 Control3 RD/BK 877 Fuel Injector 7 Control

4 - 5 —— —— Not Used6 OG/BK 469 Low Reference7 PU 806 Crank Voltage8 YE 2522 PTO Engage Signal9 BN 1174 Oil Level Switch Signal

10 GY/BK 87Cruise Control Resume/Accel

Switch Signal

11YE/BK 6272 Low Reference (Early Production)

GY 6272 Low Reference (Late Production)12 GY 2704 5 Volt Reference13 TN 5928 5 Volt Reference14 —— —— Not Used15 GY 2705 5 Volt Reference

16 - 17 —— —— Not Used18 YE 492 MAF Sensor Signal19 L-GN 432 MAP Sensor Signal

20 YE 5947Turbocharger Vane Position Sensor

Signal21 L-BU 1162 APP Sensor 2 Signal22 —— —— Not Used

chart continued on next page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’06) Engine Control Module (ECM) Connector C-1 (continued)

C-13PAG

E

Pin Wire Color Circuit No. Function23 BK 2755 Low Reference

24 PU/WH 2530Fuel Pressure Regulator Solenoid

Supply Voltage

25 PK 5425Injector Positive Voltage Control

Group 426 YE/BK 846 Fuel Injector 6 Control27 PK/BK 1746 Fuel Injector 3 Control28 —— —— Not Used29 BN 25 Charge Indicator Control (8X5)30 OG/BK 2919 Low Reference31 BN 1271 Low Reference32 GY 48 CPP Switch Signal33 —— —— Not Used34 D-BU 84 Cruise Control Set/Coast Switch Signal

35 - 36 —— —— Not Used37 GY 2703 5 Volt Reference38 TN 1274 5 Volt Reference39 TN 2917 5 Volt Reference

40L-GN 6270 5 Volt Reference (Early Production)

PU/WH 6270 5 Volt Reference (Late Production)41 D-BU 6259 5 Volt Reference42 TN 472 IAT Sensor Signal43 —— —— Not Used44 TN/WH 332 Oil Pressure Sensor Signal

45 - 46 —— —— Not Used47 GY 720 Low Reference

48 D-BU 5930Turbocharger Vane Position Control

Solenoid Valve High Control

49 PU 5423Injector Positive Voltage Control

Group 3

Pin Wire Color Circuit No. Function50 BK/WH 845 Fuel Injector 5 Control51 L-BU/BK 844 Fuel Injector 4 Control52 —— —— Not Used53 YE/BK 6120 Low Reference54 —— —— Not Used55 GY/BK 2931 Low Reference56 D-BU/WH 6265 CMP Sensor Signal57 GY/BK 1694 4WD Low Signal58 L-GN 1478 Coolant Level Switch Signal59 —— —— Not Used60 L-GN 488 PTO On Switch Signal61 GY 397 Cruise Control ON Switch Signal62 BK 552 Low Reference63 OG/BK 5929 Low Reference64 —— —— Not Used65 L-BU 6118 IAT Sensor 2 Signal66 —— —— Not Used67 BN/WH 5763 EGR Valve Position Signal68 YE 410 ECT Sensor Signal

69 - 70 —— —— Not Used71 YE/BK 625 Starter Enable Relay Control

72 YE 2834Fuel Pressure Regulator Solenoid

Control

73 YE 5422Injector Positive Voltage Control

Group 274 BK 1744 Fuel Injector 1 Control75 L-GN/BK 1745 Fuel Injector 2 Control76 PK 1039 Ignition 1 Voltage77 OG 440 Battery Positive Voltage

chart continued from previous page

chart continued on next page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’06) Engine Control Module (ECM) Connector C-1 (continued)

C-14PAG

E

Pin Wire Color Circuit No. Function78 PU 1272 Low Reference

79D-BU/WH 6271 CKP Sensor Signal (Early Production)

WH/BK 6271 CKP Sensor Signal (Late Production)80 - 81 —— —— Not Used

82 BK/WH 1695 Axle Switch Signal83 —— —— Not Used84 GY 1524 Backup Lamp Supply Voltage85 YE/BK 508 Water In Fuel Indicator Control86 BK 2754 Low Reference

Pin Wire Color Circuit No. Function87 —— —— Not Used

88PK/BK 6266 Low Reference (Early Production)

BN 6266 Low Reference (Late Production)89 - 91 —— —— Not Used

92 YE 2918 FRP Sensor Signal93 - 95 —— —— Not Used

96 WH 5931Turbocharger Vane Position Control

Solenoid Valve Low Control

chart continued from previous page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’06) Engine Control Module (ECM) Connector C-2

C-15PAG

E

Connector 58-Way F Sealed (BK)Typical Connector 15462694 (F)Color BKTypical Terminal – – –Typical Cable Seal – – –

Pin Wire Color Circuit No. Function1 PK 339 Ignition 1 Voltage2 BK/WH 451 Ground3 PK 339 Ignition 1 Voltage4 BK/WH 451 Ground5 PK 339 Ignition 1 Voltage6 BK/WH 451 Ground

7 - 8 —— —— Not Used9 D-GN 1049 Class 2 Serial Data

10 - 11 —— —— Not Used12 D-GN/WH 465 Fuel Pump Relay Control13 BK 2751 Low Reference14 —— —— Not Used15 WH/BK 1164 5 Volt Reference16 D-BU 507 Wait To Start Indicator Control17 —— —— Not Used18 PU 2562 PTO Control (PTO)19 GY/BK 2219 ECM Relay Control20 —— —— Not Used21 PK 439 Ignition 1 Voltage22 L-BU 1320 CHMSL Supply Voltage23 BN 25 Charge Indicator Control24 BN 2524 Generator 2 Turn On Signal (8X5/YF2)

25 - 26 —— —— Not Used27 GY 2700 5 Volt Reference28 —— —— Not Used

chart continued on next page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’06) Engine Control Module (ECM) Connector C-2 (continued)

C-16PAG

E

Pin Wire Color Circuit No. Function29 BN 1271 Low Reference30 BN/WH 419 MIL Control31 D-GN/WH 459 A/C Compressor Clutch Relay Control32 —— —— Not Used33 OG/BK 5764 EGR Motor High Control34 BK 470 Low Reference35 RD/BK 380 A/C Refrigerant Pressure Sensor Signal

PU/WH 1589Fuel Level Sensor Signal – Primary

(Early Production)36

PU 1589Fuel Level Sensor Signal – Primary

(Late Production)37 —— —— Not Used38 GY 23 Generator Field Duty Cycle Signal39 OG/BK 1786 Park/Neutral Signal (MW7)

40 PU 420TCC Brake Switch/Cruise Control

Release Switch Signal41 —— —— Not Used42 D-GN/WH 817 Vehicle Speed Signal43 —— —— Not Used

Pin Wire Color Circuit No. Function44 TN 2501 High Speed GMLAN Serial Data Bus –

45PU/WH 821 VSS High Signal (ML6)

YE 400 VSS High Signal (MW7)46 L-GN/BK 5746 EGR Motor Low Control47 BN 6062 Low Reference48 YE 1578 Fuel Temperature Signal49 D-BU 1161 APP Sensor 1 Signal

50 D-BU 1936Fuel Level Sensor Signal - Secondary

(Except NQZ)51 - 53 —— —— Not Used

54 YE/BK 1827 Vehicle Speed Signal55 WH 121 Engine Speed Signal56 PK 1020 Ignition 0 Voltage

BN/WH 2500High Speed GMLAN Serial Data Bus +

(Early Production)57

BN/WH 2500High Speed GMLAN Serial Data Bus +

(Late Production)58 L-GN/BK 822 VSS Low Signal (ML6)

chart continued from previous page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LLY (’06) Engine Control Module (ECM) Location

C-17PAG

E

(1) (‘06) Engine Control Module (ECM)(2) Transmission Control Module (TCM)

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LB7 Engine Control Module (ECM) Connector C-1

C-18PAG

E

Connector 80-Way F Micro-Pack 100W Sealed (BU)Typical Connector 12191489 (F)Color BLUTypical Terminal 12084912Typical Cable Seal 12160845

Pin Wire Color Circuit No. Function1 BK/WH 351 Ground2 L-GN 1867 12 Volt Reference3 BK 1744 Fuel Injector 1 Control4 L-BU/BK 844 Fuel Injector 4 Control5 TN/WH 332 Oil Pressure Sensor Signal6 —— —— Not Used7 YE/BK 1275 5 Volt Reference8 GY 705 5 Volt Reference9 D-GN 2362 CAN Serial Data Low10 YE 2361 CAN Serial Data High11 —— —— Not Used12 D-BU/WH 1869 CKP Sensor Signal

13 - 17 —— —— Not Used18 D-BU 84 Cruise Control Set/Coast Switch Signal19 PK 439 Ignition 1 Voltage20 OG 440 Battery Positive Voltage21 YE/BK 1868 Low Reference

22 GY/BK 87Cruise Control Resume/Accel

Switch Signal23 —— —— Not Used24 BK 407 Low Reference25 OG/BK 469 Low Reference

26 - 28 —— —— Not Used29 PK 5349 Auxiliary Cooling Fan30 L-GN 1478 Coolant Level Switch Signal31 D-GN 534 High Idle Switch Signal

chart continued on next page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LB7 Engine Control Module (ECM) Connector C-1 (continued)

C-19PAG

E

Pin Wire Color Circuit No. Function32 BN 2524 Generator 2 Turn On Signal

PU 420TCC Brake Switch/Cruise Control

33 Release SignalD-GN 1433 Clutch Start Switch Signal

34 OG/BK 1786 Park/Neutral Signal35 —— —— Not Used36 L-GN/BK 1745 Fuel Injector 2 Control37 BK/WH 846 Fuel Injector 6 Control

38 - 39 —— —— Not Used40 BK/WH 351 Ground41 BN 1271 Low Reference42 —— —— Not Used43 D-BU/WH 878 Fuel Injector 8 Control44 PK/BK 1746 Ignition 1 Voltage45 TN 1274 5 Volt Reference46 WH/BK 1164 5 Volt Reference47 WH/BK 596 5 Volt Reference48 TN 2917 5 Volt Reference

49 - 51 —— —— Not Used52 L-BU 506 Glow Plug Signal53 —— —— Not Used54 PU 1272 Low Reference55 L-BU 1162 APP Sensor 2 Signal

Pin Wire Color Circuit No. Function56 —— —— Not Used57 OG 440 Battery Positive Voltage58 D-GN 1049 ECM/PCM/VCM Class 2 Serial Data59 —— —— Not Used60 TN 413 HO2S Low Reference61 PK/BK 632 Low Reference62 L-GN 24 Backup Lamp Supply Voltage63 BK 407 Low Reference64 BK 552 Low Reference65 GY 1273 Low Reference

66 - 69 —— —— Not Used70 BN 1174 Oil Level Switch Signal71 L-GN 488 PTO On Switch-Signal72 L-GN 2081 Exhaust Brake Switch73 BN/WH 633 CMP Sensor Signal74 YE 410 ECT Sensor Signal75 PK 1020 Off/Run/Crank Voltage76 YE/BK 846 Fuel Injector 6 Control77 RD/BK 877 Fuel Injector 7 Control78 BN 5347 Intake Air Heater79 GY/BK 2219 FICM Relay Control80 GY 720 Low Reference

chart continued from previous page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LB7 Engine Control Module (ECM) Connector C-2

C-20PAG

E

Connector 80-Way F Micro-Pack 100W Sealed (CL)Typical Connector 12191488 (F)Color CLTypical Terminal 12084912Typical Cable Seal 12160845

Pin Wire Color Circuit No. Function1 BK/WH 351 Ground

2 - 3 —— —— Not Used4 YE 447 Starter Relay Coil Control5 —— —— Not Used6 YE 505 Glow Plug Relay Control7 PU 2656 Engine Exhaust Brake Restore Request8 —— —— Not Used9 D-GN/WH 465 Fuel Pump Relay Control - Primary10 WH 121 Engine Speed Signal11 —— —— Not Used12 D-GN 1163 APP Sensor 3 Signal13 YE 2522 PTO Feedback14 L-GN 432 MAP Sensor Signal15 BN 25 Charge Indicator Control16 GY 397 Cruise Control On Switch Signal17 D-GN/WH 762 A/C Request Signal

18 L-BU 1320CHMSL Supply Voltage/Stop Lamp

Supply Voltage19 —— —— Not Used20 D-GN 2222 Signal Low - Rear (ML6)21 L-BU 2221 Signal High - Rear22 —— —— Not Used23 OG/BK 2919 Low Reference24 D-BU 1161 APP Sensor 1 Signal25 YE 1578 Fuel Temperature Signal

26 - 28 —— —— Not Used

chart continued on next page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

LB7 Engine Control Module (ECM) Connector C-2 (continued)

C-21PAG

E

Pin Wire Color Circuit No. Function29 GY 597 5 Volt Reference

30 - 33 —— —— Not Used34 D-GN/WH 459 A/C Compressor Clutch Relay Control35 —— —— Not Used36 D-BU 507 Wait to Start Indicator Control37 PU 2562 PTO Control38 RD 2013 High Idle Indicator Control39 RD 631 12 Volt Reference40 BK/WH 351 Ground41 GY/BK 2931 MAF Ground

42 PU/WH 2530Fuel Pressure Regulator Solenoid

Supply Voltage43 —— —— Not Used44 PK 339 Ignition 1 Voltage45 —— —— Not Used46 BN/WH 419 MIL Control

47 - 48 —— —— Not Used49 YE/BK 1827 Vehicle Speed Signal50 D-GN/WH 817 Vehicle Speed Signal51 TN 472 IAT Sensor Signal52 GY 23 Generator Field Duty Cycle Signal53 —— —— Not Used

Pin Wire Color Circuit No. Function54 PU 1589 Fuel Level Sensor Signal - Primary55 D-GN 603 Low Coolant Indicator Control56 L-BU 494 Primary Brake Indicator Control57 BK 470 Low Reference58 YE 2918 FRP Sensor Signal

59 PU 420TCC Brake Switch/Cruise Control

Release Signal60 BN 718 Low Reference61 —— —— Not Used62 PK 5349 Intake Heater63 —— —— Not Used64 GY/BK 433 BARO Sensor Signal65 YE 492 MAF Sensor Signal

66 - 72 —— —— Not Used73 D-BU 1936 Fuel Level Sensor Signal - Secondary

74 - 75 —— —— Not Used76 L-BU 2832 Engine Speed Signal

77 YE 2834Fuel Pressure Regulator Solenoid

Control78 OG/BK 1057 Low Reference

79 - 80 —— —— Not Used

chart continued from previous page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Powertrain Control Module (PCM) Connector C-1

C-22PAG

E

Connector 80-Way F Micro-Pack 100W Sealed (BLU)Typical Connector 12191489 (F)Color BLUTypical Terminal 12084912Typical Cable Seal 12160845

Pin Wire Color Circuit No. Function1 BLK/WHT 451 Ground2 LT GRN 1867 12 Volt Reference3 PNK/BLK 1746 Fuel Injector 3 Control4 LT GRN/BLK 1745 Fuel Injector 2 Control

5 - 6 —— —— Not Used7 GRY 2705 5 Volt Reference

8 - 10 —— —— Not Used11 LT BLU 1876 Knock Sensor 2 Signal

12 DK BLU/1869 CKP Sensor SignalWHT

13 ORN/BLK 463 Requested Torque Signal14 ORN/BLK 1061 UART Serial Data

15DK BLU/

774 UART Serial DataWHT16 - 17 —— —— Not Used

18 DK GRN 1433 Clutch Start Switch Signal (M/T)19 PNK 439 Ignition 1 Voltage20 ORN 440 Battery Positive Voltage21 YEL/BLK 1868 Low Reference22 LT GRN 488 PTO Enable Switch (w/PTO)23 BLK 470 Low Reference24 BLK/WHT 451 Ground

25 TAN 1671HO2S Low Signal Bank 2

Sensor 2 (w/NC1)26 TAN 1677 HO2S Low Signal Bank 2 Sensor 127 BLK/WHT 451 Ground

chart continued on next page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Powertrain Control Module (PCM) Connector C-1 (continued)

C-23PAG

E

Pin Wire Color Circuit No. Function

28 TAN 1669HO2S Low Signal Bank 1

Sensor 2 (w/NC1)29 TAN 1664 HO2S Low Signal Bank 1 Sensor 130 LT GRN 1478 Coolant Level Switch Signal

31 - 32 —— —— Not Used

33 PPL 420TCC Brake Switch/Cruise Control

Release Signal

34 ORN/BLK 1786Park/Neutral Signal (Allison

Transmission Only)35 GRY 48 CPP Switch Signal (M/T)36 BLK 1744 Fuel Injector 1 Control37 YEL/BLK 846 Fuel Injector 6 Control38 —— —— Not Used39 YEL/BLK 625 Starter Enable Relay Control40 BLK/WHT 451 Ground41 PPL 719 Low Reference42 —— —— Not Used43 RED/BLK 877 Fuel Injector 7 Control44 LT BLU/BLK 844 Fuel Injector 4 Control45 GRY 2700 5 Volt Reference46 GRY 474 5 Volt Reference47 GRY 596 5 Volt Reference48 GRY 597 5 Volt Reference

49 - 50 —— —— Not Used51 DK BLU 496 Knock Sensor 1 Signal52 YEL 2522 PTO Status (w/PTO)53 —— —— Not Used54 ORN/BLK 469 Low Reference55 BRN 1456 EGR Valve Position Signal

Pin Wire Color Circuit No. Function56 —— —— Not Used57 ORN 440 Battery Positive Voltage58 DK GRN 1049 PCM Class 2 Serial Data59 YEL 710 Class 2 Serial Data60 —— —— Not Used61 PNK/BLK 632 Low Reference62 —— —— Not Used63 BLK 2755 Low Reference64 BLK/WHT 451 Ground

65 PPL 1670HO2S High Signal Bank 2

Sensor 2 (w/NC1)66 PPL 1666 HO2S High Signal Bank 2 Sensor 167 BLK/WHT 451 Ground

68 PPL/WHT 1668HO2S High Signal Bank 1

Sensor 2 (w/NC1)69 PPL/WHT 1665 HO2S High Signal Bank 1 Sensor 170 BRN 1174 Oil Level Switch Signal71 LT BLU 494 PTO Engine Kill (w/PTO)72 —— —— Not Used73 BRN/WHT 633 CMP Sensor Signal74 YEL 410 ECT Sensor Signal75 PNK 1020 Off/Run/Crank Voltage76 BLK/WHT 845 Fuel Injector 5 Control

77DK BLU/

878 Fuel Injector 8 ControlWHT78 PPL 2562 PTO Engage (w/PTO)79 —— —— Not Used80 BLK 407 Low Reference

chart continued from previous page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Powertrain Control Module (PCM) Connector C-2

C-24PAG

E

Connector 80-Way F Micro-Pack 100W Sealed (RED)Typical Connector 12191488 (F)Color REDTypical Terminal 12084912Typical Cable Seal 12160845

Pin Wire Color Circuit No. Function1 BLK/WHT 451 Ground

2 WHT 2467Torque Response Reply Signal (Allison

Transmission Only)3 TAN 1465 Fuel Pump Relay Control - Secondary4 —— —— Not Used

5 TAN/BLK 464Delivered Torque Signal (Allison

Transmission Only)6 —— —— Not Used7 RED 1676 EGR Valve Supply Voltage8 —— —— Not Used

9DK GRN/

465 Fuel Pump Relay ControlWHT10 WHT 121 Engine Speed Signal11 —— —— Not Used

12 DK BLU 2466Trans MIL Request Signal (Allison

Transmission Only)13 —— —— Not Used14 RED/BLK 380 A/C Refrigerant Pressure Sensor Signal15 BRN 25 Charge Indicator Control16 GRY/BLK 1694 4WD Low Signal (w/4WD)

17 - 18 —— —— Not Used19 BLK/WHT 1695 Axle Switch Signal (w/NP2)20 LT GRN/BLK 822 VSS Low Signal

PPL/WHT 821VSS High Signal (Except Allison

21Transmission)

YEL 400Signal High - Front (Allison

Transmission Only)

chart continued on next page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Powertrain Control Module (PCM) Connector C-2 (continued)

C-25PAG

E

Pin Wire Color Circuit No. Function22 - 24 —— —— Not Used

25 TAN 472 IAT Sensor Signal26 PPL 2121 IC 1 Control27 RED 2127 IC 7 Control28 LT BLU/WHT 2126 IC 6 Control

29DK GRN/

2124 IC 4 ControlWHT30 —— —— Not Used31 YEL 492 MAF Sensor Signal32 LT GRN 432 MAP Sensor Signal33 —— —— Not Used

34DK GRN/

428 EVAP Canister Purge Solenoid ControlWHT35 - 38 —— —— Not Used

39 RED 631 12 Volt Reference40 BLK/WHT 451 Ground41 WHT 257 EGR Solenoid Control42 —— —— Not Used

43DK GRN/

459 A/C Compressor Clutch Relay ControlWHT44 —— —— Not Used45 WHT 1310 EVAP Canister Vent Solenoid Control46 BRN/WHT 419 MIL Control

47 - 48 —— —— Not Used49 YEL/BLK 1827 Vehicle Speed Signal

50DK GRN/

817 Vehicle Speed SignalWHT

Pin Wire Color Circuit No. Function51 —— —— Not Used

52 BRN 2391HO2S Heater Low Control Bank 1

Sensor 2 (W/NC1)

53 RED/WHT 3223HO2S Heater Low Control Bank 2

Sensor 2 (W/NC1)54 PPL 1589 Fuel Level Sensor Signal

55 - 56 —— —— Not Used57 BLK 552 Low Reference58 TAN/WHT 332 Oil Pressure Sensor Signal59 PPL 806 Crank Voltage60 BRN 2129 Low Reference61 BRN/WHT 2130 Low Reference

62 - 63 —— —— Not Used64 DK GRN 890 Fuel Tank Pressure Sensor Signal65 —— —— Not Used66 PPL/WHT 2128 IC 8 Control67 RED/WHT 2122 IC 2 Control68 DK GRN 2125 IC 5 Control69 LT BLU 2123 IC 3 Control

70 - 71 —— —— Not Used

72 BLK/WHT 3122HO2S Heater Low Control Bank 1

Sensor 2 (w/NC1)73 DK BLU 1936 Fuel Level Sensor Signal - Secondary

74 LT GRN/WHT 3213HO2S Heater Low Control Bank 2

Sensor 175-79 —— —— Not Used

80 BLK 2751 Low Reference

chart continued from previous page

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Engine Control Module (ECM) / Powertrain Control Module (PCM) Location

C-26PAG

E

(1) Engine Control Module (ECM) / Powertrain Control Module (PCM)(2) ECM/PCM Connector C-1 and C-2

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Power Take Off (PTO) Relay Connector

C-27PAG

E

Connector 4-Way F Metri-Pack 280 FLX LK (MD GRY)Typical Connector 12129716 (F)Color MD GRYTypical Terminal 12129409Typical Cable Seal 12015323

Pin Wire Color Circuit No. Function

30 ORN 3440 Battery Positive Voltage

85 LT GRN 488 Power Take Off Switch – Output – Enable

86 PPL 2562 PTO Engage

87 WHT 2561 PTO Signal

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Power Take Off (PTO) Relay Location

C-28PAG

E

(1) Fuse Block-Underhood(2) Engine Wiring Harness(3) Power Take Off (PTO) Relay

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Power Take Off (PTO) Switch Connector

C-29PAG

E

Connector 8-Way F Metri-Pack 150 Series (LT GRY)Typical Connector 12186098 (F)Color LT GRYTypical Terminal 12047767Typical Cable Seal n/a

Pin Wire Color Circuit No. Function

A BRN 41 Ignition 3 Voltage

B LT GRN 488 Power Take Off Switch – Output – Enable

C GRY 8 Instrument Panel Lamp Supply Voltage – 1

D GRY 397 Cruise Control On Switch Signal

E YEL 2522 PTO Status Signal

F BLK 1850 Ground

G DK BLU 84 Cruise Control Set/Coast Switch Signal

H PPL/WHT 1382 LED Dimming Signal

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Power Take Off (PTO) Switch Connector Location

C-30PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Power Take Off (PTO) Interface Connector

C-31PAG

E

TRUCK SIDE BODY BUILDER SIDEConnector 10-Way Metri-Pack 150 Series SealedTypical Connector 12177081 (F) 12045808 (M)Color NAT BLKTypical Terminal 12191817 12177150Typical Cable Seal 15305172 15324973

Pin Wire Color Circuit No. Function

A —— —— Not Used

B LT BLU 494 Power Take Off – Engine Shutdown Signal

C LT GRN 488 Power Take Off – Enable Switch

D BLK 550 Ground

E —— —— Not Used

F —— —— Not Used

G YEL 2522 Power Take Off – Status (Feedback)

H WHT 2561 PTO Relay Switch Control Signal

J DK BLU 84 Cruise Control Set/Coast Switch

This part includes a Cover: PN 12129589

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Power Take Off (PTO) Interface Connector Location

C-32PAG

E

(1) Turbine Sensor Harness Connector(2) Power Take-Off (PTO) Connector (6) Park/Neutral Position (PNP) Switch Connectors(3) Output Speed Sensor Harness Connector (7) Allison Transmission(4) Transfer Case Selector Shift Control Switch (8) Engine Harness(5) Transmission Connector Harness (9) Automatic Transmission Input Shaft Speed (ISS) Sensor

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Rear Lamps – Junction BlockC-1 – Rear Chassis Harness Connector

C-33PAG

E

Connector 8-Way F Global Tech 280 Series (BLU)Typical Connector 15305595 (F)Color BLUTypical Terminal 15304716Typical Cable Seal 15366061

Pin Wire Color Circuit No. Function

A LT BLU 2114 Left Turn Signal Lamps Supply Voltage

B LT BLU 1320 CHMSL Supply Voltage

C LT GRN 24 Backup Lamp Supply Voltage

D BRN/WHT 2609 Right Rear Park Lamps Supply Voltage

1550 Ground (30 Series ExceptChassis Cab)

E BLK 1650 Ground (30 Series Chassis Cab)

1750 10/20 Series

F —— —— Not Used

G BRN 2509 Left Rear Park Lamps Supply Voltage

H DK BLU 2115 Right Turn Signal Lamps Supply Voltage

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Rear Lamps – Junction BlockC-2 – Left Tail Lamp Connector

C-34PAG

E

Connector 7-Way F Global Tech 280 Series (GRY)Typical Connector 15305596 (F)Color GRYTypical Terminal 15304716Typical Cable Seal 15366061

Pin Wire Color Circuit No. Function

A BLK 1750 Ground

B BLK 1750 Ground (Only)

C BLK 1750 Ground

D LT BLU 1320 CHMSL Supply Voltage

E BRN 2509 Left Rear Park Lamps Supply Voltage

F LT GRN 24 Backup Lamp Supply Voltage

H LT BLU 2114 Left Turn Signal Lamps Supply Voltage

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Rear Lamps – Junction BlockC-3 – License Plate Connector

C-35PAG

E

Connector 8-Way F Global Tech 280 Series (BRN)Typical Connector 15305599 (F)Color BRNTypical Terminal 15304716Typical Cable Seal 15366061

Pin Wire Color Circuit No. Function

A BRN/WHT 2609 Right Rear Park Lamps Supply Voltage

B —— —— Not Used

C BLK 1750 Ground (GMC Only)

D BLK 1750 Ground (GMC Only)

E BLK 1750 Ground (Chevy)

F —— —— Not Used

G BRN 2509 Left Rear Park Lamps Supply Voltage

H BLK 1750 Ground

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Rear Lamps – Junction BlockC-4 – Right Tail Lamp Connector

C-36PAG

E

Connector 7-Way F Global Tech 280 Series (BLK)Typical Connector 15305597 (F)Color BLKTypical Terminal 15304716Typical Cable Seal 15366061

Pin Wire Color Circuit No. Function

A LT BLU 1320 CHMSL Supply Voltage

B BRN/WHT 2609 Right Rear Park Lamps Supply Voltage

C BLK 1750 Ground

D BLK 1750 Ground

E LT GRN 24 Backup Lamp Supply Voltage

F DK BLU 2115 Right Turn Signal Lamps Supply Voltage

H BLK 1750 Ground

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Rear Lamps – Junction Block Location

C-37PAG

E

(1) Frame(2) Junction Block—Rear Lamps(3) Junction Block Mounting Bracket

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Trailer Connector

C-38PAG

E

Connector 7-Way F Metri-Pack 280 Sealed (BLK)Typical Connector 15354653Color BLKTypical Terminal n/aTypical Cable Seal n/a

Pin Wire Color Circuit No. Function

A LT GRN 1624 Trailer Backup Lamps Supply Voltage

B BLK 1750 Ground

C DK BLU 47 Trailer Auxiliary Supply Voltage

D DK GRN 1619 Trailer Right Rear Turn/Stop Lamp Supply Voltage

E RED 742 Battery Positive Voltage

F BRN 2109 Trailer Park Lamps Supply Voltage

G YEL 1618 Trailer Left Rear Turn/Stop Lamp Supply Voltage

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — REVISED 04/2006

Trailer Connector Location

C-39PAG

E

(1) Platform Assembly Trailer Weight Distribution Hitch(2) Trailer Wiring Receptacle(3) Trailer Wiring Receptacle Bracket

(1) Platform Assembly Trailer Weight Distribution Hitch(3) Trailer Wiring Receptacle Bracket

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

ENG ENG ENGIP

3A

1039

1239

1239

1239 1239 1039ENG ENG ENG

3A

1039 1039

INJ2

A

B12092078 15A

INJ1

A

B12092078 15A

SBA

B

139

3A

12092078

A 15A

GAS1

RPO LEGENDGAS = L18/L59/LQ4/LQ9/LM7/LR4/LU3

GAS1

&LU3&LM7/LR4/LQ4/LQ9

L59 GAS1

&LM7/LR4/LQ4/LQ9

L59

&SBA

L59L59 L59L59 GAS1

GAS1=&LQ4/LQ9/LM7/LR4

GAS1L59 L59GAS1

CALF = LR4&NC1

&LU3

Even Ign Coil/Lu3 (Dist)10/16/12-Page 8A- 20A/B/C

ENG CONTROLSFuel Injector

3-Page 8A-20B

ENG CONTROLS

50

PNK1239.

GXL0.5ENG

&LM7/LR4/LQ4/LQ9

19

Fuel Injector3-Page 8A-20B/C

ENG CONTROLS ENG CONTROLS

20B/C8A-Page -3Fuel Injector

&L59

ENG0.5 GXL

.1239PNK

5019

ENG CONTROLS

20B8A-Page -3Fuel Injector

1950

PNK1039.

GXL0.5ENG

&L59

Fuel InjectorENG CONTROLS

20B8A-Page -2

PNK1239.

GXL0.5ENG

&L59

1950

1239.

TXL0.5ENG

&LU3

750

PNK

Fuel InjectorENG CONTROLS

20B8A-Page -3

1-Page 8A-44D

SUPPLEMENTAL BRAKE ASSISTSBA Mdl

Fuel Injector3-Page 8A-20B

ENG CONTROLS

ENG

&LU3

750

PNK1039.

TXL0.5 0..5 GXL

.1039PNK

5019

&LM7/LR4/LQ4/LQ9

ENG

ENG CONTROLS

20A/B/C8A-Page -3Fuel Injector

.1039PNK

5019

&L59

ENG0.5 GXL

20B

ENG CONTROLSFuel Injector

3-Page 8A-

Fuel Injector3/2-Page 8A- 20AC/B

ENG CONTROLS

3-Page 8A- 20C

ENG CONTROLSFuel Injector

50

PNK1239.

GXL0.5ENG

&L59

19

1039.

GXL0.5ENG

&L59

Fuel Injector2-Page 8A-20B

ENG CONTROLS

1950

PNK

Page -3Fuel Injector

ENG CONTROLS

20C

3-Page 8A- 20B

ENG CONTROLSFuel Injector

8A-

1 Tuesday, September 24, 2002010

824

k33010asheet1schematic $IVEDWORK/k33010a__010

8:44:28 am

03 XCK EAU

POWER DISTRIBUTION (GAS)1 CKMCEPROD

PNK50

19

&LM7/LR4/LQ4/LQ9

ENG0.5 GXL

.1239

&L59

ENG0.5 GXL

.1039PNK

5019

Page -9/15/12Odd Ign Coil/Lu3 (Coil Driver)

ENG CONTROLS

20A/B/C8A-

J2-D10J2-D9J2-E10J2-E6 J2-B9 J2-C10J1-F1

20B8A-Page -3Fuel Injector

ENG CONTROLS

ENG CONTROLS

20B8A-Page -3Fuel Injector

1039PNK

5019

&LM7/LR4/LQ4/LQ9

ENG0.5 GXL

.

50

PNK1239.

GXL0.5ENG

&L59

19

2Fuel Injector

ENG CONTROLS

20B8A-Page -

Fuel Injector3-Page 8A-20B

ENG CONTROLS

1239 F_INJ6F_INJ21239

IGN_COIL11039

1039 F_INJ51039 F_INJ1

1239 IGN_COIL2

139 SBA_PWR

F_INJ4

LU3_INJ4

L59_INJ7L59_INJ5L59_INJ3L59_INJ1L59_INJ8L59_INJ6L59_INJ4L59_INJ2

LU3_INJ3

F_INJ3F_INJ8

F_INJ7

Panel Set: 1

Power Distribution: Gas

K33010a_010_01

D-1PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

ENG ENG CHASSIS ENG BATTMAIN439439

1

439

439

3A

1339

1

550

3A

12092078 15A

ETC

A

B12092078

3APCMI

A

B

12193614

30

85

86 15A

87

Ign1 Relay

&GAS

Maf Sensor8/14/11-Page 8A-20A/B/C

ENG CONTROLS

ACSRYJPR

=&9L4

1950

RED2.

FUSELINK2.0

0.5ENG

&L18/L59/LM7/LQ4/LQ9/LR4/LU3

750

PNK439.

TXL

Etc Module1-Page 8A-21A

ETC

-1Seo Mob Radio Fuse

MOBILE RADIO

155A8A-Page

ENG0.5 TXL

.439PNK

507

&L59

POWER DIST

10A8A-Page -17ubec_3b

4-Page 8A-20A/B/C

ENG CONTROLSPcm

00212103504

Ring Term-Mob RadioUPC FNA12103504

A

B

2-Page 8A- 22E/G/H

FUEL SNDR/PUMPSec Fuel Relay

Tuesday, September 24, 2002010

824

k33010asheet1schematic $IVEDWORK/k33010a__010

8:44:28 am

03 XCK EAU

POWER DISTRIBUTION (GAS)1 CKMCEPROD

2

SD002

Battery2-Page 8A-30A

STARTING & CHARGING

ENG0.5 TXL

.1339PNK

507

&L18/JF4/KUP-LB7

125AMPSFNAUPC

Mobile Radio - Megafuse-125A001mega_125a

A

B

ENG CONTROLS

20B8A-Page -18

&L18/L59/LM7/LQ4/LQ9/LR4/LU3

ENG0.5 TXL

.439PNK

507

Gen3-Alternate Fuel Sensor

ENG CONTROLSCanister Purge

20A/B/C 2-Page 8A-

148A-Page -17Gnd Zone #5

GND DIST

J3-E3 J2-A9J2-B10 J2-A12BAT_CBL

SEC_FRLY1439

IGN1_RLY3

439 PURGE_FD

BAT_PWR

IGNRLY_GND

1

MOBRADIO_PWR2

FLX_FUEL

MAF_IGN

ENG_IGN1 ETC_FD

Panel Set: 2

Power Distribution: Gas

K33010a_010_02

D-2PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

1

2440CHASSIS IP

1

2040

A 30A

RTD12092075

B A 25A

RR WPR HI12092076

B

IP IP IP IP

1 1

142

1

2840

1

1

142

142

1 1

1540 640

2540

BIGN A

A 40A 15319478

11

15A

12092078

A 15A

W/S WASHB

A 10A

12092079IPC/DIC

B STOP LP

A

B 12092076

25A

CIG LTR

A

B12092078

UPLEVEL

-8S8

UPLEVEL

Cigar LighterCIGAR LIGHTER

198A-Page -1IPC MdlIPC/DIC

81A8A-Page -2

Hdlp Relay-LowHEADLPS(W/O HID)

100A/B8A-Page -1

0.5IP

&L59/LM7/LQ4/LQ9/LR4/LU3

750

ORN640.

TWP

Hdlp Relay-HighHEADLPS(W/O HID)

100A/B8A-Page -1

WASH/WIPE

91A8A-Page -1W/S Wash Rly

Ubec Sw RlySTARTING & CHARGING

30A8A-Page -1

TWP

.142RED

5019

IP3.0

W/S Wash Rly1-Page 8A-91A

WASH/WIPE

Data Link Conn1-Page 8A- 50A

DATA LINK CONN

Horn RelayHORNS

40A8A-Page -1

-Page 8A-10A

UBECUBEC_MAIN_BATT

3

Stop Lamp SwEXTERIOR LIGHTING

110A/B8A-Page -2

1-Page 8A-43A

RIDE CONTROLReal Time Damping Mod

1-Page 8A-92A

REAR WIPE/WASHRear Motor Asm - Wiper

J1-B12 J1-D5J1-F12J1-F7

1219391612193905

FNA001ubec_main_batt3

Blk Asm - Ubec Main Batt Bus

UPC

J1-A4J3-B2

010824

k33010asheet1schematic $IVEDWORK/k33010a__010

8:44:28 am

03 XCK EAU

POWER DISTRIBUTION (GAS)1 CKMCEPROD

3 Tuesday, September 24, 2002

RLY_BATWSHPMP_RLY WS_COIL_FD

IPC_PWR2840

HDLP_HIGHHDLP_LOWHORN_PWR

CIG_LTR640

1540 STOP_LPSW

RTD_BATT2440

U1A_U1B

2040 RRWPR_PWR

DLC_PWR

IGNA_SW

(Page 14)

Panel Set: 3

Power Distribution: Gas

K33010a_010_03

D-3PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IP ENG ENG4340 440

1

440

1

440

A 20A

PCMB12092077

B A 10A

12092079HVACBB

GAS = L18/L59/LQ4/LQ9/LM7/LR4/LU3GAS1=&LQ4/LQ9/LM7/LR4

CALF = LR4&NC1

RPO LEGEND

&GAS

&GAS

PROD4 Tuesday, September 24, 2002

010824

k33010asheet1schematic $IVEDWORK/k33010a__010

8:44:28 am

03 XCK EAU

POWER DISTRIBUTION (GAS)1 CKMCE

Hvac ModuleHVAC

60A/65A/68A8A-Page -1

0.8ENG

&L18/L59/LM7/LQ4/LQ9/LR4/LU3

750

ORN440.

TXL

Ecm/PcmENG CONTROLS

20A/B/C8A-Page -4

IP0.35 TWP

.4340ORN

507

POWER DIST

10A8A-Page -7/10/11/12Main Battery Bus

-1Fuel Pump RelayFUEL SYSTEM

22E/F/G/H8A-Page

J2-A8 J2-B8

001ubec_main_batt1Blk Asm - Ubec Main Batt Bus

J1-A5

121939161219390612193905

FNAUPC

4-Page 8A-20A/B/C

ENG CONTROLSEcm/Pcm

27A8A-Page -1Tcm

LCT TRANSMISSION

1 U1A_U1B

TCM_BAT440

ENG_BAT1440

FPMP_RLY

BAT_HVAC ENG_BAT2

Panel Set: 4

Power Distribution: Gas

K33010a_010_04

D-4PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

12092078

A 15A

FOG LPS B AUX PWR1

A

B12092077

20A3440

3440

10403440

11 1

1

ENG IP

23A8A-Page -1

Parklamp RelayEXT LIGHTING

110A/B8A-Page -1

Pto RlyPTO

Aux Power Outlets 2 and 3CIGAR LIGHTER

19A/B/C8A-Page -1

Tuesday, September 24, 2002010

824

k33010asheet1schematic $IVEDWORK/k33010a__010

8:44:28 am

03 XCK EAU

POWER DISTRIBUTION (GAS)1 CKMCEPROD

5

Fog Relay Com1-Page 8A-103A/C

FRT FOG LAMPSFog Relay

FRT FOG LAMPS

103A/C8A-Page -1

50

ORN3440.

TXL0.5ENG

&L18&PTO

7

J2-B2 J1-C10

FGLP_FUSE FOG_BAT

1040 AUX_PWR1

PRKLP_BAT

PTO_RLY

Panel Set: 5

Power Distribution: Gas

K33010a_010_05

D-5PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

SA3240

3240

32403240

IP

INFOJMPRINFOJMPR

12092078

A 15A

INFOTAINMENT B

3240

1

IP

NON-LUXURYLUXURY

50

ORN3240.

TWP0.5IP

&U42&Y91

7

.3240ORN

507

&Y91&U1S/U42/UE1

IP0.5 TWP

8A-85A

ONSTAR - NON-LUXURYOnstar Module

1-Page

INFOTAINMENT-RSE

88A8A-Page -1Rse Module

0.5IP

-Y91

750

ORN

Onstar Module1-Page 8A-85B

ONSTAR - LUXURY

3240.

TWP

50

ORN3240.

TWP0.5IP

&UE1&Y91

7

TWP

.3240

Onstar ModuleONSTAR - LUXURY

85B8A-Page -1

ORN50

7

&U42-Y91

INFOJMPR0.5

INFOTAINMENT-RSE

88B8A-Page -1Rse Module

ORN50

7

&UE1-Y91

INFOJMPR0.5 TWP

.3240

SA3240

1POWER DISTRIBUTION (GAS)CK EAU X03

8:44:28 am

$IVEDWORK/k33010a__010schematic sheet1

k33010a824

010Tuesday, September 24, 20026

PROD CKMCE

&UE1&Y91

IP0.5 TWP

.3240ORN

507

12193905

FNA12H

Blk Asm - Mbec ONSTAR/RSE001

J1-B11

J9-H J9-J

mbec_3240

12194035

INFOJMPR

&UE1-Y91

750

ORN3240.

TWP0.5

ONSTAR - NON-LUXURY

85A8A-Page -1Onstar Module

J1-C2

REMOTE CD PLAYER

153B8A-Page -1

TWP

.3240ORN

507

&U1S&Y91

IP0.5

Cdx Module

RSE_INFOPWR

ONST_INFO2

ONST_INFO1

ONST_IP2

ONST_IP1CDX_PWRRSE_IPPWR

Panel Set: 6

Power Distribution: Gas

K33010a_010_06

D-6PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

B 12092075

30A

12092079

A

B A/C COMP

10A

12092078

A 15A

RADIO B RDO AMP

A

3340

340 3740

1 11

IP IP/INFOJMPR

INFOJMPR

IP

LUXURY

Z75

UPLEVEL

NON-LUXURY

XCK EAU

POWER DISTRIBUTION (GAS)1 CKMCEPROD

7 Tuesday, September 24, 2002010

824

k33010asheet1schematic $IVEDWORK/k33010a__010

8:44:28 am

03

0.5IP

&YE9

750

ORN340.

TWP

1.0IP

&UQ7&Y91

750

ORN340.

TWP

1-Page 8A-87A

INFOTAINMENT-DAB/SDARSDab/Sdars Module

1.0IP

&UQ3/UQ5

750

ORN340.

TWP

24F GT MXD12110088

IPB1

Dab/Sdars Module1-Page 8A-87B

INFOT-DAB/SDARS

&U2K/U2L&Y91

750

ORN340.

TWP0.5IP INFOT-RADIO BASE/UPLEVEL

Radio Module1-Page 8A-150A

SA340

CIGAR LIGHTERClock Feed

2-Page 8A-19C

340.

TWP0.5INFOJMPR

&06/36/43&UQ7-Y91

750

ORN

Rsa ModuleINFOTAINMENT-RSA

150B8A-Page -3

A/C COMPRESSOR CONT

64A8A-Page -1A/C Enable Relay

7

&UQ7&Y91

IP1.0 TWP

.340ORN

50

507

&U2K/U2L-Y91

INFOJMPR0.5 TWP

.340ORN

INFOJMPR24M GT MXD15305213

B1

INFOTAINMENT-RSA

150C8A-Page -3

ORN50

7

&UQ7-Y91

INFOJMPR1.0 TWP

.340

Rsa Module

1-Page 8A-150B

INFOT-RADIO NON-PREMIUMRadio Module

340. TWP1.0

IP

&UQ7-Y91

750

ORN

Radio Module1-Page 8A-150C

INFOT-RADIO PREMIUM

J9-E

1219403512193905

FNAUPC

Blk Asm-Radio Infot002mbec_340

J1-C1

J1-F2J1-D4

&UQ7&Y91

IP0.5 TWP

.340ORN

507

POWER DIST

10A8A-Page -4/10/11/12Main Battery Bus

4-Page 8A-150B/C

INFOTAINMENTAmplifier Module

U1A_U1B

AMP_PWR3740

AC_COMP

RSA_INFOPWRDAB_INFOPWR

DAB_IPPWR

RSA_IPPWR

RDIO_IPPWR

RDIO_PWR

340 CLK_ANA

RDIO_INFOPWR

Panel Set: 7

Power Distribution: Gas

K33010a_010_07

D-7PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

CHASSIS

1

2640

12092078

A 15A

QS4 BIP

BRKCLTCH2340

2340IP

BRKCLTCH900

900RR HVAC12092075

B1

3940

EAP

A

B12092078 15A

IP IP

1

1740

A 30A

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

12092076

25A

RR DEFOG

A

B 12092075

30A

12092079

A

B TBC BATT

10A

12092078

A 15A

SEO B1 B SEO B2

A

B 12092075

30A

TREC

A

B 12092075

30A

SUNROOF

A

B

1640 3840 18401640

SA1640

1640

1140 4540 2340

1 1 1 1 1 1

IP IP IP IPIP IP IP

/NR4

&8S8

&GAS

&TRW/5G4

&NP1/NP8

UPLEVEL

&CF5

&EXPORT

002FNAUPC

ubec_batt_gas2Blk Asm - Ubec Main Batt Bus (Gas)

12193916

J3-A4

133A

THEFT DETERRENT

Eap Relay3-Page 8A-140A

SEATS

Passkey Snsr1-Page 8A-

TWP

.2340ORN

5019

&5G4/TRW

IP3.0

&EVA

750

ORN2640.

GXL0.5CHASSIS

RRHVAC

66/69A8A-Page -1Blk Asm-Rr Hvac

J8-B

mbec_2340 001Blk Asm - Mbec SEO B2 (Beacon)

UPC FNA

1219390512193930

J1-D12J1-E12

J8-A

RR Defog RelayREAR DEFOG

61A8A-Page -1

TRANSFER CASE CONTROL

38A/C/D8A-Page -1Trec Module

ORN50

3-Page 8A-45A

FOUR WHEEL STEERINGQs4 Module

IP

&JF4-03

750

ORN3940

19

&C49

IP2.0 TWP

.1840

.

TWP1.0

Ubec Main Batt (Exp)8-Page 8A-10A

POWER DIST

TWP0.5IP

750

ORN4540.

J1-A10

3-Page 8A-10A

UBECUBEC_MAIN_BATT

2-Page 8A- 20A/B/C

ENG CONTROLSVent Solenoid

12193905

FNAUPC001ubec_main_batt4

Blk Asm - Ubec Main Batt Bus

J1-A1

POWER SUNROOF

122A8A-Page -1Power Sunroof Sys

03 XCK EAU

POWER DISTRIBUTION (GAS)1 CKMCEPROD

8 Tuesday, September 24, 2002010

824

k33010asheet1schematic $IVEDWORK/k33010a__010

8:44:28 am

110D8A-Page -1Roof Beacon Rly

ROOF MOUNTED BEACON

.1140ORN

50

J2-A12

TBC251A-1

7

IP0.35 TWP

&NP8

IP2.0 TXL

.1640ORN

5019

SEO IGN FeedIPC

81A8A-Page -2

TRANSFER CASE CONTROLTransfer Case

1-Page 8A-38D

TWP

.1740ORN

5019

&06/36

IP3.0

J1-E11J1-E4 J1-B8J1-C1J1-D12 J1-B1 J1-B11

U1A_U1B

U1A_U1B

1640 ATC_BATTSUNRF_PWR3840

1140 PKEY_PWR

IPC_SEOB14540

RRDFOG_RLY

EAPRLY_PWR

XFER_CASE

QS4_PWR2640

SEO_B22340

TBC_VBAT1

RRHVAC_BAT

SEO1_MBEC

(Page 18)

VENT_SOL

Panel Set: 8

Power Distribution: Gas

K33010a_010_08

D-8PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

FUSESJ-CASE

CHASSIS

1

4042

VSES

A 60A 15319480B

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

12092077

20A

A 20A

RH HID/EXP LP

12092077B

FWD LP FWD LP

1

3640

1

3540

LH HID/EXP LP

A

B

HEADLAMPS (Z75)

100B8A-Page -1LT- HID Asm

UPC001ubec_batt_gas3

Blk Asm - Ubec Batt Bus Vses (Gas)

J9-B

15393170

FNA

BRAKES/VSES

44A8A-Page -1Vses Pre-Charge Pump

X03

Tuesday, September 24, 2002

8:44:28 am

$IVEDWORK/k33010a__010schematic sheet1

k33010a824

0109

PROD CKMCE1POWER DISTRIBUTION (GAS)CK EAU

UBEC_MAIN_BATTUBEC

10A8A-Page -3

Blk Asm - Ubec Main Batt Busubec_main_batt5 001UPC FNA

12193914

J4-D2 J4-E6

750

ORN3540.

TWP0.8FWDLP

&TT6

HEADLAMPS (Z75)RT-HID Asm

1-Page 8A-100B

POWER DIST

10A8A-Page -10Main Batt Bus (Exp3)

.3640ORN

507

&TT6

FWDLP0.8 TWP

1219390612193905

FNAUPC001ubec_main_batt2

Blk Asm - Ubec Main Batt Bus

U1A_U1B

VSES_FUSE

4042 VSES_PRPMP

LHID_PWR

RHID_PWR

Panel Set: 9

Power Distribution: Gas

K33010a_010_09

D-9PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

442 242

15319477 30AA

STUD2 A

STUD115319478

B

40A

ABS

A 60A 15319480

B

J-CASE FUSES

1

SD001

742CHASSIS

1 1 1B

&TP2/8B0

EXP

-LU3

EXP DOMDOM

5019

&Z55&SERIES10

CHASSIS

TWP3.0BEACON

&5Y0

1950

RED242.

B

BODY WIRING PROV

110E8A-Page -1Emer Light Relay

3.0 GXL

.742RED

Stud 2&5Y0

UPC FNA00212103506

12103506A

1950

CHASSIS3.0 GXL

.742RED

50

RED742.

GXL3.0CHASSIS

=&T89-Z55#&T89&Z55&SERIES20

19

=&Z55&SERIES20-T89#-Z55-T89119A/B8A-Page -2/1

Mbec Trailer (Mbec 47)TRAILER WIRING

POWER DIST

10A8A-Page -9Main Batt Bus (Gas3)

1POWER DISTRIBUTION (GAS)CK EAU X03

8:44:28 am

$IVEDWORK/k33010a__010schematic sheet1

k33010a824

010Tuesday, September 24, 200210

PROD CKMCE

12103506

12103506 002FNAUPC

Stud 2 Trailer

A

B

RED50

19

&Z55&SERIES10&T89

CHASSIS3.0 GXL

.742

43A

RIDE CONTROLRelay-Level Comp

002

12103965

Stud1-Trlr

UPC FNA12103965

A

B

1-Page 8A-

FNA

12162099 002

A

B

TRLR WIRING (DOMESTIC)Trlr Inline Connector

1-Page 8A-119B

12162099

Stud1-Trlr

UPC

Abs Motor1-Page 8A-44A/B/C

BRAKES

12193906

FNAUPC002ubec_batt_exp3

Blk Asm - Ubec Main Batt Bus (Exp)

J9-ASTUD_1 STUD_2

15393170

1950

RED742.

GXL

TRLR WIRING (EXPORT)

119A8A-Page -1742 Blunt Cut

3.0CHASSIS

&Z55&SERIES10-T89

A

B

1-Page 8A-17A

AUX/DUAL BATTERYAux/Dual Battery

12103965FNAUPC

Stud1-Aux Battery

12103965

002

POWER DIST

10A8A-Page -4/7/11/12Main Battery Bus

U1A_U1B 1 VSES_FUSE

(Page 8)

242 TRLR_PWR

442 ABS_MTR

EMER_RLY

RTD_COMP

742 EXP

42 AUXBAT_TP2

(Page 8) EXP

TRLR_EXPTRLR_DOM

Panel Set: 10

Power Distribution: Gas

K33010a_010_10

D-10PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

1207786312088567

1340

SA642

642 642

1440

SA1440

25A

B RTDOORS

A

1440

B SEATS

IP

BODY

A

BODY

30A

1440

64242

42

25A

FLASHER12092076

B

2140 2240 4040

140

SA42

TBC 2B

A

B12092078 15A

12092078

42TBC 2C

A

B12092078 15A

A

IPIP IP

IP

4242

A 15A

TBC 2A B

IP

1 1

342 42

A

B IgnB

J-CASE FUSES

15319478

40A

LBEC1

A 50A 15319479

B

IPIP IP642 542

MBEC1

A 50A J-CASE FUSES

15319479B BLOWER

A 40A 15319478

B

POWER WINDOWS

120A8A-Page -1LR Window Sw

0.5 TWP

.2240ORN

507

IP7

IP0.5 TWP

.4040ORN

50

2140.

TWP0.5IP

750

ORN

Driver Seat ModPWR SEATS

140A8A-Page -2

Blower MtrHVAC

60A/65A/68A8A-Page -1/4/3

POWER DISTMain Battery Bus

4/7/10/11/12-Page 8A-10A

TWP

1440.

TWP3.0BODY

&AG1

1950

ORN

POWER WINDOWS

120A8A-Page -2

.542RED

5019

IP3.0

Rt Door Sw

PROD CKMCE1POWER DISTRIBUTION (GAS)CK EAU X03

8:44:28 am

$IVEDWORK/k33010a__010schematic sheet1

k33010a824

010Tuesday, September 24, 200211

251A/B-1 J1-C

Flasher Module3-Page 8A-110A/B

EXTERIOR LTS

251A/B-1 J5-D

TWP

.642RED

5019

&YE9

IP5.0

PWR SEATSPass Seat Mod

5-Page 8A-140A

Main Battery Bus4/7/10/11/12-Page 8A-10A

POWER DIST

TBCJ1-F251A/B-1

42.

TWP5.0IP

1950

RED

FNAUPCmbec_642

J1-B7

J10-EJ10-H

15357030

Blk Asm - Mbec Seats

12193905

001lbec_42Blk Asm - Lbec1

12193906

001FNAUPC

J1-A12

J1-B12 J1-E11J1-E12

Blk Asm - Ubec Main Batt Busubec_main_batt7 00112H FNA

15393168

J7-A J7-B

ORN50

19

&AG2

BODY3.0 TWP

.1440

00112H FNA

1539317115393172

J5-BJ6-A

Blk Asm - Ubec Main Batt Busubec_main_batt6

U1A_U1B U1A_U1B

(Page14)

JFUSE_IGNB

342

RTDOORSFLSH_MDLLTDOORS42

TBC_VBAT2CTBC_VBAT2BTBC_VBAT2A

BLW_MTR

PSM_BATDSM_BAT

Panel Set: 11

Power Distribution: Gas

K33010a_010_11

D-11PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

J-CASE FUSES

IP

1

842

A

B LBEC215319479

50A

12092079A

B

15A120920784WD

SA241

1209207530A

441

441

B

A

441

STG COL

141

10A

CRUISEB

10A

241

241

BRAKEB

300

A

HTR A/C

300

SA441

241

IP IP IP IP IP IP

41

300

A

12092079

300SA300

300

IGNITION SWITCH

IGN3

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

PASSLOCK

HIRESHORN

POA STEERING COLUMN

CRUISE

STEERWHL

133-1

&JL4-NR4

152-1

ECMETC

010-10

138-1

PAGE 8A-

100-2091-1

IGNSW

300

NP1/NP8

WIPER

040-1

HDLP

020-7

034-1

045-1

TRNHAZ

BTSI

PART#

110-8

/NR4

.

021-2

0.35IP

750

BRN41.

TWP

1532608516M GT 150 280ENGINEN

Zab SwBRAKES

44A/B/C8A-Page -5/2/2

0.35IP

750

BRN441.

TXL

-1/4Blower Motor Resistor Asm

HVAC

60A/65A8A-Page

Blk Asm - Ubec Main Batt Busubec_main_batt8 001UPC FNA

15393171

J5-A

0.5IP

=&03/43/53&TP2#&8B0

750

BRN241.

TXL

.842RED

5019

IP5.0 TWP

TXL

.241BRN

507

&NP1/NP2/NP8

IP0.5

UPC

STRG Col Asm - IGN Sweau_ign_sw 003

15417597

FNA

J1-E1 J1-E2

J2-A

J1-C2 J1-C4J1-C5J1-D5

1532608416F GT 150 280IPN

Atc SwTRANSFER CASE CNTL

38A/C8A-Page -3/2

Page 8A-17A

AUX/DUAL BATTRly

1-

8A-44A/B

BRAKESVses/TCS Sw

1-Page

Main Battery Bus4/7/10/11-Page 8A-10A

POWER DIST

12

PROD CKMCE1POWER DISTRIBUTION (GAS)CK EAU X03

8:44:28 am

$IVEDWORK/k33010a__010schematic sheet1

k33010a824

010Tuesday, September 24, 2002

38A/B/D8A-Page -2/1/2Front Axle Act

TRANSFER CASE CNTL

Cruise SwitchCRUISE CONTROL

21/34A8A-Page -2/1

BRN241.

TXL0.5ENG

&NP1/NP2/NP8

750

Ebc ModuleBRAKES

44A/B/C8A-Page -1Cruise Module/PTO Sw

CRUISE CNTL/PTO

34A/23A8A-Page -2

U1A_U1B

141 FRT_HTRPATC_SW241

BRK_PWR

441 VSC_IGN

CRUISEMDL_PTO41

(Page 19)

JFUSE_LBEC2

IGN3_TP2 AXLFRT_SW

CRUISE_SW

441 ZAB_PWR

Panel Set: 12

Power Distribution: Gas

K33010a_010_12

D-12PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

341 341

IP

HVAC HVAC

SA341

341

BODY BODY

541 541

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

A

541

HVACIB

A

1209207910A

IGN3B

10A12092079

300300

541SA541

341

IP IP

&Z55-Y91 &06&Y91 &Z55-Y91&06&Y91&36&Y91

&36&Y91&Z55-Y91

&36&Y91

&Z55-Y91&36&Y91

UPLEVEL

.341BRN

507

&CJ2/CJ3

IP0.35

65/68A8A-Page -3

TWP

Motor RH MixHVAC-DUAL ZONE

Lbec_54113-Page 8A-10A

POWER DIST

13-Page 8A-10A

POWER DISTLbec_541

.

TWP0.35BODY

&36&Y91

750

BRN541.

TWP0.35BRN

507

&Z55-Y91

BODY0.35 TWP

BODY

&36&Y91

750

BRN541

TWP0.35BODY

&06&Y91

750

BRN541.

.541

-1Rear Hvac

REAR HVAC

66A/B8A-Page

Relay-Level Comp1-Page 8A-43A

RIDE CONTROL

HVAC

65A/68A8A-Page -1Hvac Mdl

3-Page 8A- 65/68A

HVAC-DUAL ZONEMotor LH Mix

TWP

.341BRN

507

&CJ2/CJ3

HVAC

TWP

.541BRN

507

&06&Y91

BODY0.35

0.35

43A8A-Page -1

RIDE CONTROLRtd Module

15401495

FNA12H

Blk Asm- Rbec Sim001rbec_341

12193928

J1-8C

J8-B J8-C

0.35IP

&CJ2/CJ3

750

BRN341.

TWP

HVAC

&CJ2/CJ3

750

BRN341.

TWP0.35

8:44:28 am

$IVEDWORK/k33010a__010schematic sheet1

k33010a824

010Tuesday, September 24, 200213

PROD CKMCE1POWER DISTRIBUTION (GAS)CK EAU X03

REAR HEATED SEAT (LUXURY)

143A8A-Page -1

-

7

&C36/C69

BODY0.35 TWP

.541BRN

50

Left Rear Heated Seat Mod

TWP

.541BRN

507

Page 8A- 143A

REAR HEATED SEAT (LUXURY)Right Rear - Heated Seat Mod

2

SA541&06&Y91

750

BRN541.

TWP0.35BODY

&06&Y91

BODY0.35

TWP0.35BODY

&06&Y91

750

BRN541.

15328768

FNAUPC001lbec_541

Blk Asm - Lbec541

J4-BJ4-C

QS4

45A8A-Page -3

0.35 TWP

.341BRN

507

&CJ2/CJ3

HVAC

Qs4 Module

1532876812193930

J1-D12J1-D3

lbec_300UPC FNA

002

12193906

Blk Asm - Lbec5

Motor DefrostHVAC-DUAL ZONE

65/68A8A-Page -2

HVAC

&CJ2/CJ3

750

BRN341.

TWP0.35

2-Page 8A- 65/68A

HVAC-DUAL ZONEMotor Inlet

BODY0.35 TWP

.541BRN

507

&Z55-Y91

541

RRHTD_SEAT

RTD_IGN3

RTD_RLY

541 LRHTD_SEAT

RR_HVAC

LB541

541 LB541

QS4_IGN

MTR_DEFRMTR_RMIXMTR_LMIX MTR_INLET

IGN3_HVAC

Panel Set: 13

Power Distribution: Gas

K33010a_010_13

D-13PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGNITION SWITCH

ACCYIGN0START

SA1020

ENG ENG

IP1020

1020 1020

4 4 4

243

10A

A 10A

12092079

1390

1390 1390

SA4

A

12092076B

530 1020

4

43

10A

12092079TBC IGN0B

12092079SEO ACCYB

12092079

A

B TBC ACCY

10A

143

SA1390

IP IP IP IP IP

STG COL STG COL

A

B IGN0

A 25A

W/S WIPER

CRANK

10A

IP

ENG

5

806

12092079

A

B

.

CALF = LR4&NC1

4

&GAS

1390

GAS1=&LQ4/LQ9/LM7/LR4

M74

&GAS

GAS = L18/L59/LQ4/LQ9/LM7/LR4/LU3 MT1/MN8M30/M32/

.

RPO LEGEND

&YE9

&GAS

TBCJ4-B3251A/B-1

PcmENGINE CONTROLS

Page -48A- 20A/B/C

WURWUFR

1-Page 8A-27A

LCT TRANSMISSIONLct Tcm

YEL50

7

IP1.0 TWP

.143

010824

k33010asheet1schematic $IVEDWORK/k33010a__010

8:44:28 am

03 XCK EAU

POWER DISTRIBUTION (GAS)1 CKMCEPROD

14 Tuesday, September 24, 2002

3.0IP

1950

YEL5.

TWP

&L18/L59/LM7/LQ4/LQ9/LR4/LU3

750

PNK1020.

TXL0.35ENG

IP0.35 TWP

.530WHT

507

J1-E8 J1-F8

J2-E J2-F

Blk Asm - Lbec3

12193906

001FNAUPC

lbec_4

12193930

J1-B1 J1-B2J1-D1

ubec_1020 001Blk Asm - Ubec Pcm/Tcm

UPC FNA

1219390512193906

J1-C9

J2-E11J2-F10

TBCJ4-A3251B-1

WURWUFR

A10 C1

C9

TWP

.342RED

5019

IP3.0

Rear Wiper Sw1-Page 8A-92A

REAR WIPER/WASH

7

IP0.35 TWP

.43YEL

50

1-Page 8A-133A

THEFT DETERRENTPasskey Snsr

12193906

Blk Asm - Ubec Eng Crank

12193905

001FNAUPC

ubec_5

J1-A3

J2-F3

Page -1Front Wiper Motor

FRONT WIPE/WASH

91A8A-Lct Tcm

LCT TRANSMISSION

27A8A-Page -1

7

&L18&M74

ENG0.35 TXL

.1020PNK

50

7

IP0.35 TWP

.1020PNK

50

-4Pcm

ENGINE CONTROLS

20A/B/C8A-Page

Auto TransENG CONTROLS

20A/B/C8A-Page -6

4 RRWPSW_PWR

1020 PKEY_IGN0

(Page 3)

IGNA_SW

142

1020 TRNSPWR1 TRNSPWR31020

ENG_CRANK

TBC_IGN0

TRNSPWR2 TRNS_PWR1 WSWP_PWR

TBC_ACCY

(Page 18)

SEO_ACCY

243

JFUSE_IGNB

(Page 11)

806

Panel Set: 14

Power Distribution: Gas

K33010a_010_14

D-14PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

639 639

SA3

SA639

12092079

A

B IGNE

10A

639

IP

IP ENGIP

3

3

639

639

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGNITION SWITCH

ACCLOCK

RUN

START

IGN1

&TR6

&TR6

-TR6

Clutch SwitchSTARTING & CHARGING

30A8A-Page -1

1219390612193905

FNAUPC001ubec_3a

Blk Asm - Ubec IGN1 Bus

J1-A9

J1-D10J1-F6 J2-F9

XCK EAU

POWER DISTRIBUTION (GAS)1 CKMCEPROD

15 Tuesday, September 24, 2002010

824

k33010asheet1schematic $IVEDWORK/k33010a__010

8:44:28 am

03

STARTING & CHARGINGNsbu Switch

8A-Page -2 1-Page 8A- 30AIpc

INSTRUMENT PANEL CLUSTER

81A

EXTERIOR LIGHTING

110A/B8A-Page -8Turn/Hazard Sw

1-Page 8A- 105A

HEADLAMP LEVELINGRh Hdlp Level Mtr

1Headlamp Leveling Switch

HEADLAMP LEVELING (EXP)

105A8A-Page -

7

&TR6

IP0.35 TWP

.639PNK

50

.

TWP0.35IP

&TR6

750

PNK639

A2

-1Lh Hdlp Level Mtr

HEADLAMP LEVELING

105A8A-Page

TWP

.639PNK

507

&TR6

IP0.35

SA639

750

PNK639.

TWP0.35IP

-8S8

0.35IP

-TR6

750

PNK639.

TWP

639.

TXL0.35IP

&TR6

750

PNK

-1A/C Enable Relay

HVAC

64A8A-Page

Blk Asm IGN1 Bus16-Page 8A-10A

POWER DIST

PNK50

19

IP3.0 TWP

.3

IPC_IGNE

3 UBC3A_UBC3B

AC_RLY

639 NSBU_AUTOLHDLP_MTR639 HAZ_FDRHDLP_MTR HDLP_POT639 CLUTCH_MAN

Panel Set: 15

Power Distribution: Gas

K33010a_010_15

D-15PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

B3

539 1539

3

12092078

A 15A

O2B B

ENG ENG

12092078

A 15A

O2A

DOUBLE CRIMPDOUBLE CRIMPNOTE:NOTE:

Htd Oxy SnsrENG CONTROLS

20A/B/C8A-Page -7/9-11/7

CK EAU

POWER DISTRIBUTION (GAS)1 CKMCEPROD

16 Tuesday, September 24, 2002010

824

k33010asheet1schematic $IVEDWORK/k33010a__010

8:44:28 am

03 X

J2-D8 J2-E7

Blk Asm IGN115-Page 8A-10A

POWER DIST

-Page 8A-20A/B/C

ENG CONTROLSHtd Oxy Snsr

7/9-11/7

O2SENSB_P1539

3 UBC3A_UBC3B

539 O2SENSA_P

Panel Set: 16

Power Distribution: Gas

K33010a_010_16

D-16PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

BRKCLTCH

IP

SEO

739

739739

B3

A

B SEO IGN

10A

3

TBC IGN1

10A

12092078

A 15A

SIR B B/U LP

A 20A

12092079

3

39 1139 839

3 3

739

12092079

A

B

IP IP ENG IP

12092077

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

GAS1=&LQ4/LQ9/LM7/LR4GAS = L18/L59/LQ4/LQ9/LM7/LR4/LU3

CALF = LR4&NC1

RPO LEGEND

&8S8

SEO B1 FeedIPC

81A8A-Page -2

.739PNK

507

&ZX3

BRKCLTCH0.35 TWP

1-Page 8A-70A

REAR PARKING AIDRpa Module

POWER DIST

10A8A-Page -2Ign1 Relay

3-Page 8A-47B

SIR(SDM & PSIR)Psir Defeat Sw Ind

43B

MANUAL SELECTABLE RIDEMSR Switch

1-Page 8A-

TWP

.1139YEL

507

IP0.5

TBC251A-1 J4-A4

WUF / DIA/D

REAR DEFOG

61A8A-Page -1Rear Defog Relay

TWP

.739PNK

507

&Z75

IP0.35

0.5IP

&C99

750

YEL1139.

TWP

J8-C

1-Page 8A-112A

BACKUP LAMPS (UTILITY)Back Up Switch

1219392812193930

mbec_739 001Blk Asm - Mbec MSR/Rr Defog

UPC FNA

12193905

J1-F3

J5-D

Mbec1-Page 8A-148B

POWER ISRV MIRROR

J1-F5J2-F8

Blk Asm - Ubec IGN1 Busubec_3b 001UPC FNA

1219390512193906

J1-A6 J1-A7

0.35IP

750

PNK39.

TWP

0.35IP

750

PNK739.

TWP

k33010a824

01017

PROD CKMCE1POWER DISTRIBUTION (GAS)CK EAU X03

Tuesday, September 24, 2002

8:44:28 am

$IVEDWORK/k33010a__010schematic sheet1

839 BULP_PWR

IGN1_RLY

DEFOG_COIL739IPC_SEOIGN739

AOS_PWR

RPA_MDL

TBC_IGN1

PSIR_PWR

MSR_PWR

Panel Set: 17

Power Distribution: Gas

K33010a_010_17

D-17PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

BODY

4540

243

IP

SEO

HDLNR UPFIT SEO

IP

4540

454045404540

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

UPLEVEL

UPLEVEL

Panel Set: 18

&06&Y91

750

ORN4540.

TWP0.5BODY

0.5 TWP

.4540ORN

507

&T79

IP

18-Page 8A-10A

Mbec4540Mbec4540

Rear Fog Lamp Relay

Heated Seat ModREAR HEATED SEAT (LUX)

143A8A-Page -2

1-Page 8A-106A

REAR FOG LAMP (EXP)

Mbec4540Mbec4540

10A8A-Page -18

Light Bar SwSEO

110F8A-Page -1

UgdoINTERIOR LIGHTING

114A/B8A-Page -1/11-Page 8A-143A

REAR HEATED SEAT (LUX)Heated Seat Mod

Blk Asm - Mbec SEO B1mbec_4540a 001UPC FNA

121939051219393015357030

J1-F11

J10-AJ8-D

&9L4

BRKCLTCH0.5 TWP

.243YEL

507

J6-A J8-E

0.35IP

750

YEL243.

TWP

Blk Asm - Mbec SEO B1mbec_4540b 001UPC FNA

12193905153287681219403312193930

J1-F7

J3-B

1-Page 8A-155A

MOBILE RADIORelay Fuse Center

18

PROD CKMCE1POWER DISTRIBUTION (GAS)CK EAU X03

Tuesday, September 24, 2002

8:44:28 am

$IVEDWORK/k33010a__010schematic sheet1

k33010a824

010

BRKCLTCH

&5G4/5X7/5Y0/TRW

750

ORN4540.

TWP0.5

RRHTD_BAT

4540 LHHTD_BAT UGDO_P4540

SEO_B1

4540

SEO1_MBEC

(Page 8)

RRFG_RLY

MBEC4540

MBEC45404540

(Page 14)

SEO_ACCY

SEORLY_PWR

Power Distribution: Gas

K33010a_010_18

D-18PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

B

LFDOOR IP BODY4140

A 15A

DDM 842 842

12092078

10A

B12092079

A

B PDM842

3140

12092079 RR ECC

10AA

4240

IP

RFDOOR

4240

842

SB842

BODY IP3040

3040

3040

842

842SA842

SA3040

A 20A

AUX PWR212092077

B

IP

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 19

&06

&CJ2

ORN50

7

&YE9

IP0.5 TWP

.4240

POWER DISTBlk Asm - Lbec842b

1-Page 8A-130A/B

J1-A7J3-F J4-D

Blk Asm - Lbec4140lbec_4140 002UPC FNA

121939061219403515328768

ECC RR MdlECC REAR HVAC

69A8A-Page -1

POWER DIST

10A8A-Page -19Blk Asm - Lbec4140

19Blk Asm - Lbec2

POWER DIST

10A8A-Page -

TWP0.5RFDOOR

&YE9

750

ORN4240.

PDMJ2-14253A-1

2-Page 8A-19A/B/C

CIGAR LTR/AUX PWRRr Pwr Point

4140ORN

507

&YE9

LFDOOR0.5 TWP

.

UPC FNA

1219390615328768

J1-A10

J1-E10

J4-G

15401495FNA12H

Blk Asm- Rbec PDM Feed001rbec_4240

12193922

J1-7C

J7-C

Blk Asm - Lbec2lbec_842 003

J2-14254A-1

DDM

01019

PROD CKMCE1POWER DISTRIBUTION (GAS)CK EAU X03

Tuesday, September 24, 2002

8:44:28 am

$IVEDWORK/k33010a__010schematic sheet1

k33010a824

842 LKUNLK_RLY

RRECC_PWR3140

PDM_BAT1

DDM_BAT1

LB_4140

LB_4140842

(Page 12)

JFUSE_LBEC2

842

3040 AUX_RR

Power Distribution: Gas

K33010a_010_19

D-19PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

440(Page 2)

ENG ENG ENG IP339

3A

1039

A

B

Megafuse-175A

15305191

12193614

30

85

86

87

EDU Relay

B 12092079

A

B IPC/DIC

10A

1 1 11

3A

EDU

A

B 12092076

25A

12092078

A 15A

ECMRPCV 1

3A

2219

1

2840

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&LB7&LB7&LB7

Panel Set: 1

&LB7

&LB7

1Seo Mob Radio Fuse

MOBILE RADIO

155A8A-Page - 5-Page 8A-20D

ENGINE CONTROLSEcm

STARTING & CHARGING

30B8A-Page -2Battery

&LB7

750

GRA/BLK2219.

TXL0.5ENG

Hdlp Relay-Low1-Page 8A-40A

HORNSHorn Relay

50

PNK339.

TXL2.0ENG

1-Page 8A- 100A/B

HEADLPS(W/O HID)

&LB7

19

RpcvENGINE CONTROLS

20D8A-Page -5

J2-B9J2-D9 J2-E6 J1-F7BBAT_CBL

SD002

IPC/DICIPC Mdl

8A-Page -4 2-Page 8A-81AEdu

ENGINE CONTROLS

20D

schematic sheet1

k33010b551

0101

PROD CKMCE1POWER DISTRIBUTION (DIESEL)CK EAU X03

Tuesday, September 24, 2002

11:00:12 am

$IVEDWORK/k33010b__010

ACSRYJPR

=&9L4

1950

RED2.

FUSELINK2.0

HEADLPS(W/O HID)Hdlp Relay-High

1-Page 8A-100A/B

B

10-Page 8A-20D

ENGINE CONTROLSGlow Plug Term

12146365

GlowPlugTerm - MegaFuse12146365UPC FNA

001

A

00212103504

Ring Term-Mob RadioUPC FNA12103504

A

B

4-Page 8A-20D

ENGINE CONTROLSEdu

1 BAT_PWR

2840 IPC_PWR

HORN_PWR HDLP_LOW HDLP_HIGH

EDU_PWR1339 RPCV_BAT1039

MOBRADIO_PWR2 RPCV_CNTL

1042 GLOW_FD

EDU_PWR2

Power Distribution: Diesel

K33010b_010_01

D-20PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

(Page 1)

IP IP IP IP ENG ENG

A

B HVACB

10A

ECMB

A

B 1209207720A

A

B IGN A1531947840A

A 25A

STOP LP12092076

B12092078

A 15A

CIG LTR B W/S WASH

A

B12092078 15A

12092079440

1

142440

640

2540

4340 440 440

1 11

142

142

1 1 1

1540

&LB7

&LB7

Panel Set: 2

8A-Page -1W/S Wash RlyWASH/WIPE

91A

TWP0.5IP

&LB7

750

ORN640.

Main batt BusPOWER DIST

10B/102A8A-Page -1/4/7/8/91-Page 8A-30B

STARTING & CHARGINGUbec Sw Rly

CK EAU X03

Tuesday, September 24, 2002

11:00:12 am

$IVEDWORK/k33010b__010schematic sheet1

k33010b551

0102

PROD CKMCE1POWER DISTRIBUTION (DIESEL)

1-Page 8A-60A/65A/68A

HVACHvac Module

1-Page 8A-91A

WASH/WIPEW/S Wash Rly

6-Page 8A-20D

ENG CONTROLSEcm/Pcm

1-Page 8A-50A

DATA LINK CONNECTORData Link Connector Ecm/Pcm

ENG CONTROLS

20D8A-Page -6

&LB7

ENG0.8 TXL

.440ORN

507

J1-A5J1-B12 J1-D5J1-F12 J2-A8 J2-B8

1-Page 8A-27A

LCT TRANSMISSIONTcm

3.0IP

1950

RED142.

TWP 0.35IP

750

ORN4340.

TWP

2-Page 8A-110A

EXTERIOR LIGHTINGStop Lamp Sw

Cigar Lighter1-Page 8A-19A/B/C

CIGAR LIGHTER

FUEL SYSTEMFuel Pump Relay

1-Page 8A-22B

FPMP_RLY U1A_U1B1

440 TCM_BAT1540 STOP_LPSW

640 CIG_LTR

WS_COIL_FDWSHPMP_RLY142 RLY_BAT

440 ENG_BAT1

DLC_PWR

(Page 12)

IGNA_SW

BAT_HVAC

ENG_BAT2

Power Distribution: Diesel

K33010b_010_02

D-21PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

3440 3440

ENG IP IP IP4540

1 1

1140

B TBC BATT

10A

12092078

A 15A

SEO B1 B11

1 1

10403440

A

12092079

20A

12092077 B12092078

A15A

FOG LPS B AUX PWR1

A

Panel Set: 3

&EXPORT

IP7

50

ORN1140.

TWP0.35

110A/B

EXT LIGHTINGParklamp Relay

1-Page 8A-1-Page 8A-103A/C

FRT FOG LAMPSFog Relay

Aux Pwr Outlets 2 and 3CIGAR LIGHTER

19A/B/C8A-Page -1

J2-A12251A/B-1

TBC

schematic sheet1

k33010b551

0103

PROD CKMCE1POWER DISTRIBUTION (DIESEL)CK EAU X03

Tuesday, September 24, 2002

11:00:12 am

$IVEDWORK/k33010b__010

1219390612193905

FNAUPC003ubec_batt_dsl1

Blk Asm - Ubec Main Batt Bus (DSL)

&LB7&PTO

750

ORN3440.

TXL0.5ENG

FRT FOG LAMPS

103A/C8A-Page -1Fog Relay Com

J1-E4J2-B2 J1-C10 J1-D12

1-Page 8A-133A

THEFT DETERRENTPasskey Snsr

0.5 TWP

.4540ORN

507

IP

Pto RelayPTO

23A8A-Page -1

PKEY_PWR1140 SEO1_MBEC

(Page 15)

1040 AUX_PWR1PTO_RLY

FOG_BAT PRKLP_BATFGLP_FUSE

TBC_VBAT1

Power Distribution: Diesel

K33010b_010_03

D-22PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

INFOTAINMENT B1

SC001

12092078

A 15A

3240IP

1

SA3240

3240

32403240

IP

INFOJMPRINFOJMPR

NON-LUXURYLUXURY

Panel Set: 4

1-Page 8A-85A

ONSTAR - NON-LUXURYOnstar Module

Onstar ModuleONSTAR - LUXURY

85B8A-Page -1

3240.

TWP0.5IP

&U42&Y91

750

ORN

INFOJMPR

&UE1-Y91

750

ORN3240.

TWP0.5

ORN50

7

&U1S&Y91

IP0.5 TWP

.3240

ORN50

7

&U42-Y91

INFOJMPR0.5 TWP

.3240

.3240ORN

507

&Y91&U1S/U42/UE1

IP0.5 TWP

Cdx ModuleREMOTE CD PLAYER

153B8A-Page -1

4

PROD CKMCE1POWER DISTRIBUTION (DIESEL)CK EAU X03

Tuesday, September 24, 2002

11:00:12 am

$IVEDWORK/k33010b__010schematic sheet1

k33010b551

010

0.5 TWP

.3240ORN

507

&UE1-Y91

INFOJMPR

0.5IP

&UE1&Y91

750

ORN3240.

TWP

J1-C2

Rse ModuleINFOTAINMENT-RSE

88B8A-Page -1

SA3240

Rse ModuleINFOTAINMENT-RSE

88A8A-Page -1

Main Batt BusPOWER DIST

10B/102A8A-Page -1/2/7/8/9

12193905

FNA12H

Blk Asm - Mbec ONSTAR/RSE001mbec_3240

J1-B11

J9-H J9-J

0.5IP

-Y91

750

ORN3240.

TWP

12194035

Onstar ModuleONSTAR - NON-LUXURY

85A8A-Page -1

TWP

.3240ORN

507

&UE1&Y91

IP0.5

ONSTAR - LUXURYOnstar Module

1-Page 8A-85B

U1A_U1B

ONST_IP1

ONST_IP2

ONST_INFO1

ONST_INFO2

RSE_INFOPWR

RSE_IPPWR CDX_PWR

Power Distribution: Diesel

K33010b_010_04

D-23PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

INFOJMPR

IP

340 3740

12092078

A 15A

RADIO B RDO AMP

A

B 12092075

30A

1

IP IP/INFOJMPR

1

Panel Set: 5

Z75

UPLEVEL

NON-LUXURYLUXURY

INFOT-DAB/SDARS

87B8A-Page -1Dab/Sdars Module

Amplifier ModuleINFOTAINMENT

150B/C8A-Page -4

1.0 TWP

.340ORN

507

&UQ7-Y91

INFOJMPR

TWP

.340ORN

507

&UQ3/UQ5

IP1.0

1219390512194035

J1-C1

J9-E

mbec_340 002Blk Asm-Radio Infot

UPC FNA

X03

Tuesday, September 24, 2002

11:00:12 am

$IVEDWORK/k33010b__010schematic sheet1

k33010b551

0105

PROD CKMCE1POWER DISTRIBUTION (DIESEL)CK EAU

INFOTAINMENT-RSARsa ModuleDab/Sdars Module

INFOTAINMENT-DAB/SDARS

87A8A-Page -1 3-Page 8A-150B

SA340

3-Page 8A-150C

INFOTAINMENT-RSARsa Module

0.5 TWP

.340ORN

507

&06/36/43&UQ7-Y91

INFOJMPRINFOJMPR

&U2K/U2L-Y91

750

ORN340.

TWP0.5

TWP

.340ORN

507

&UQ7&Y91

IP1.0

Radio ModuleINFOT-RADIO BASE/UPLEVEL

150A8A-Page -1

TWP

.340ORN

507

&YE9

IP0.5

1211008824F GT MXDIPB1

CIGAR LIGHTER

19C8A-Page -2Clock Feed

J1-F2J1-D4

1.0IP

&UQ7-Y91

750

ORN340.

TWP

0.5IP

&UQ7&Y91

750

ORN340.

TWP

INFOJMPRB1

1.0IP

&UQ7&Y91

750

ORN340.

TWP

1530521324M GT MXD

7

&U2K/U2L&Y91

IP0.5 TWP

.340ORN

50

Radio ModuleINFOT-RADIO NON-PREMIUM

150B8A-Page -1

Radio ModuleINFOT-RADIO PREMIUM

150C8A-Page -1

3740 AMP_PWR

DAB_INFOPWR RSA_INFOPWR

CLK_ANA340

RDIO_PWR

RDIO_IPPWR

RSA_IPPWR

DAB_IPPWR

RDIO_INFOPWR

Power Distribution: Diesel

K33010b_010_05

D-24PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

IP

BRKCLTCH2340

2340IP

BRKCLTCH900

900

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

1640 1640

SA1640

1

3340

1 1

2340

A 30A

SEO B2

25A

RR DEFOG

A

B 12092075

30A

A 30A

TREC12092075

B12092075

B12092079

A

B A/C COMP

10A

SUNROOF

A

B 12092076

1 1

IP IP IP IP IP1840

1640

3840

/NR4&CF5

&TRW/5G4

&NP1/NP8

Panel Set: 6

1-Page 8A-64A

A/C COMPRESSOR CONTA/C Enable Relay

J8-B

1219393012193905

FNAUPC

Blk Asm - Mbec SEO B2 (Beacon)001mbec_2340

J1-D12J1-E12

J8-A

1-Page 8A-110D

ROOF MOUNTED BEACONRoof Beacon Rly

3.0IP

&5G4/TRW

1950

ORN2340.

TWP

2.0IP

&NP8

1950

ORN1640.

TXL

1-Page 8A-61A

REAR DEFOGRR Defog Relay

1-Page 8A-38A/C/D

TRANSFER CASE CONTROLTrec Module

POWER SUNROOF

122A8A-Page -1Power Sunroof Sys

J1-E11 J1-B8 J1-C1

Blk Asm - Ubec Main Batt Bus (Dsl)ubec_batt_dsl2 003UPC FNA

1219390512193906

J1-B1J1-B11

551

k33010bsheet1schematic $IVEDWORK/k33010b__010

11:00:12 am

Tuesday, September 24, 200203 XCK EAU

POWER DISTRIBUTION (DIESEL)1 CKMCEPROD

6

010

Transfer CaseTRANSFER CASE CONTROL

38D8A-Page -1

50

ORN1840.

TWP2.0IP

&C49

19

SUNRF_PWR3840

AC_COMP

1640 ATC_BATT

RRDFOG_RLY XFER_CASE

2340 SEO_B2

Power Distribution: Diesel

K33010b_010_06

D-25PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

742

15319478B

A

B ABS15319480

60A 30A1

SD001

J-CASE FUSES

1 1

442

1

242CHASSIS

STUD1

A 40A

A

B STUD215319477

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

-LU3

DOM D OMEXP EXP

Panel Set: 7

BEACON

&5Y0

1950

RED242.

TWP3.0

. GXL3.0

CHASSIS

=&T89-Z55#&T89&Z55&SERIES20

1950

RED742

B12103506

12103506

Stud 2&5Y0

UPC FNA002

A

3.0 GXL

.742RED

5019

&Z55&SERIES10&T89

CHASSIS3.0 GXL

.742RED

5019

=&Z55&SERIES20-T89#-Z55-T89

CHASSIS

1-Page 8A-119B

TRLR WIRING (DOMESTIC)Trlr Inline Connector

002

12103965

Stud1-Trlr

UPC FNA12103965

A

B

UPC

Stud 2 Trailer

12103506

12103506

A

B002

FNA

Main batt BusPOWER DIST

10B8A-Page -2/4/8/9

RED50

19

&Z55&SERIES10

CHASSIS3.0 GXL

.742

B

12162099

Stud1-Trlr

UPC FNA

12162099 002

A

Emer Light RelayBODY WIRING PROV

110E8A-Page -1

2/1-Page 8A-119A/B

TRAILER WIRINGMbec Trailer (Mbec 47)

CHASSIS

&Z55&SERIES10-T89

1950

RED742.

GXL3.0

15393170

J9-ASTUD_1 STUD_2

Blk Asm - Ubec Main Batt Bus (Dsl)ubec_batt_dsl3 002UPC FNA

12193906

RIDE CONTROLRelay-Level Comp

1-Page 8A-43A

TRLR WIRING (EXPORT)

119A8A-Page -1742 Blunt Cut

PROD CKMCE1POWER DISTRIBUTION (DIESEL)CK EAU X03

Tuesday, September 24, 2002

11:00:12 am

$IVEDWORK/k33010b__010schematic sheet1

k33010b551

0107

Abs MotorBRAKES

44A/B/C8A-Page -1

242 TRLR_PWR

U1A_U1B

TRLR_EXP

(Page 8) EXP

742 EXP(Page 8)

TRLR_DOM

ABS_MTR442

RTD_COMP

EMER_RLY

Power Distribution: Diesel

K33010b_010_07

D-26PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

1207786312088567

1340

SA642

642 642

1440

SA1440

25A

B RTDOORS

A

1440

B SEATS

IP

BODY

A

BODY

30A

1440

642

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

J-CASE FUSES

542

11 1

SE001

IP IP

A

B

MBEC11531947950A

BLOWERA

40A 15319478

B

642

42

42

25A

FLASHER12092076

B

2140 2240 4040

140

SA42

TBC 2B

A

B12092078 15A

12092078

42TBC 2C

A

B12092078 15A

A

IPIP IP

IP

4242

A 15A

TBC 2A B

J-CASE FUSES

11 1

SF001

IP IP

A

B

IgnB1531947840A

LBEC1A

50A 15319479B

342 42

Panel Set: 8

TWP

.42RED

5019

IP5.0

J5-D251A/B-1

001

12193905

Blk Asm - Mbec Seats

15357030

J1-B7

J10-EJ10-H

mbec_642UPC FNA

CK EAU X03

Tuesday, September 24, 2002

11:00:12 am

$IVEDWORK/k33010b__010schematic sheet1

k33010b551

0108

PROD CKMCE1POWER DISTRIBUTION (DIESEL)

1/4/3-Page 8A-60A/65A/68A

HVACBlower Motor

4040.

TWP0.5IP

750

ORN

TBC251A/B-1 J1-F J1-C251A/B-1

19

&AG1

BODY3.0 TWP

.1440ORN

50TWP

.2140ORN

507

IP0.5

POWER WINDOWS

120A8A-Page -2Right Door Sw

Page 8A-10B/102A

POWER DISTMain Batt Bus

1/2/4/7/9-

.542RED

5019

IP3.0 TWP

Main Batt BusPOWER DIST

10B/102A8A-Page -1/2/4/7/9

1440.

TWP3.0BODY

&AG2

1950

ORN

LR Window Sw1-Page 8A- 120A

POWER WINDOWS EXTERIOR LTS

110A/B8A-Page -3Flasher Module

Blk Asm - Ubec Main Batt Bus (Dsl)ubec_batt_dsl4 002UPC FNA

1539317115393172

J5-BJ6-A

ubec_batt_dsl5 002UPC FNA

15393168

J7-A J7-B

Blk Asm - Ubec Main Batt Bus (Dsl)

0.5IP

750

ORN2240.

TWP

J1-E12

lbec_42UPC FNA

001

12193906

Blk Asm - Lbec1

J1-A12

J1-B12 J1-E11

8A-140A

PWR SEATSDriver Seat Mod

2-Page

&YE9

1950

RED642.

TWP5.0IP

Pass Seat ModPWR SEATS

140A8A-Page -5

FLSH_MDL14042 LTDOORS

U1A_U1BU1A_U1B

342

JFUSE_IGNB

(Page12)

RTDOORS

BLW_MTR

DSM_BAT PSM_BATTBC_VBAT2A TBC_VBAT2CTBC_VBAT2B

Power Distribution: Diesel

K33010b_010_08

D-27PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

J-CASE FUSES

IP

A

B

LBEC21531947950A

842

1

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

842

SB842

BODY IP3040

3040

3040

842

842SA842

SA3040

A 20A

AUX PWR212092077

B

IP

B

LFDOOR IP BODY4140

A 15A

DDM 842 842

12092078

10A

B12092079

A

B PDM842

3140

12092079 RR ECC

10AA

4240

IP

RFDOOR

4240

&CJ2

&06

Panel Set: 903 XCK EAU

POWER DISTRIBUTION (DIESEL)1 CKMCEPROD

9

010551

k33010bsheet1schematic $IVEDWORK/k33010b__010

11:00:12 am

Tuesday, September 24, 2002

ubec_batt_dsl6 002UPC FNA

15393171

J5-A

Blk Asm - Ubec Main Batt Bus (Dsl)

J1-A10

J1-E10

J4-G

Blk Asm - Lbec2lbec_842 003UPC FNA

1219390615328768

PDMJ2-14253A-1

153287681219403512193906

FNAUPC002lbec_4140

Blk Asm - Lbec4140

J1-A7J3-F J4-D

ECC REAR HVAC

69A8A-Page -2ECC RR Mdl

TWP

.4140ORN

507

&YE9

LFDOOR

2-Page 8A-19A/B/C

CIGAR_LTR/AUX PWRRr Pwr Point

0.5

1-Page 8A-130A/B

POWER DISTLbec842b

750

ORN4240.

TWP

.4240ORN

507

&YE9

IP

TWP0.5RFDOOR

&YE9

0.5

J2-14254A-1

DDM

5.0IP

1950

RED842.

TWP

15401495FNA12H

Blk Asm- Rbec PDM Feed001rbec_4240

12193922

J1-7C

J7-C

1/2/4/7/8-Page 8A-10B/102AMain Batt BusPOWER DIST

Blk Asm - Lbec29-Page 8A-10B

POWER DIST

Blk Asm - Lbec414017/9-Page 8A-10 A/B

POWER DIST

842 LKUNLK_RLY

U1A_U1B

(Page 8)

LB_4140842 LB_4140

3040 AUX_RR

DDM_BAT1

PDM_BAT1

RRECC_PWR3140

842

JFUSE_LBEC2

JFUSE_LBEC2

(Page 9)

Power Distribution: Diesel

K33010b_010_09

D-28PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

12092079A

B

15A120920784WD

SA241

1209207530A

441

441

B

A

441

STG COL

141

10A

CRUISEB

10A

241

241

BRAKEB

300

A

HTR A/C

300

SA441

241

IP IP IP IP IP IP

41

300

A

12092079

300SA300

300

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGNITION SWITCH

IGN3HIRES 045-1

BTSI

010-10020-7

STEERWHL

TRNHAZ

.

034-1

POA STEERING COLUMN

100-2

138-1

HORN

021-2

/NR4

040-1

152-1

PASSLOCK 133-1

Panel Set: 10

091-1

PART#

110-8

PAGE 8A-

&JL4-NR4

CRUISEETC

300

NP1/NP8

IGNSWECM

HDLPWIPER

Ebc Module1-Page 8A-44A/B/C

BRAKES

TXL

.241BRN

507

&NP1/NP2/NP8

ENG0.5

BRN50

7

IP0.35 TXL

.441

Vses/TCS SwBRAKES

44A/B8A-Page -1

2/1/2-Page 8A-38A/B/D

TRANSFER CASE CNTLFront Axle Act

50

BRN241.

TXL0.5IP

&NP1/NP2/NP8

7

ENGINE16M GT 150 28015326085

N

2-Page 8A-23A/34A

CRUISE CNTL/PTOCruise Mdl/Pto Sw

J1-E2

J2-A

J1-C4J1-C5J1-D5 J1-E1 J1-C2

8A-60A/65A

HVACBlower Motor Sw

1/4-Page

7/1-Page 8A-20D/34A

CRUISE CONTROLCruise Switch

15326084

N IP16F GT 150 280

5/2/2-Page 8A- 44A/B/C

BRAKESZab Sw

TWP

.41BRN

507

IP0.35

15417597

003eau_ign_swSTRG Col Asm - IGN Sw

UPC FNA

3/2-Page 8A- 38A/C

TRANSFER CASE CNTLAtc Sw

CK EAU

POWER DISTRIBUTION (DIESEL)1 CKMCEPROD

10

010551

k33010bsheet1schematic $IVEDWORK/k33010b__010

11:00:12 am

Tuesday, September 24, 200203 X

BRK_PWR

VSC_IGN441 41 CRUISEMDL_PTO241 ATC_SW

AXLFRT_SW

441 ZAB_PWR 141 FRT_HTRP

CRUISE_SW

Power Distribution: Diesel

K33010b_010_10

D-29PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

341 341

IP

HVAC HVAC

SA341

341

A

541

HVACIB

A

1209207910A

IGN3B

10A

12092079

300300

541SA541

341

IP IP

BODY BODY

541 541

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&Y91&06

&Z55-Y91 &Y91&36

&Z55-Y91

&Y91&36

&Y91&36&Y91&36 &Y91&06

&Z55-Y91

&Z55-Y91

7

&CJ2/CJ3

HVAC0.35 TWP

.341BRN

50

Hvac Mdl1-Page 8A-65A/68A

HVAC

HVAC

&CJ2/CJ3

750

BRN341.

TWP0.35

TWP

.341BRN

507

&CJ2/CJ3

IP0.35

-23-Page 8A- 65/68A

HVAC-DUAL ZONEMotor RH Mix

0.35

Motor InletHVAC-DUAL ZONE

65/68A8A-Page

BODY

&Z55-Y91

750

BRN541.

TWP

Motor LH MixHVAC-DUAL ZONE

65/68A8A-Page -3

0.35 TWP

.541BRN

507

&Y91&36

BODY

50

BRN341.

TWP0.35IP

&CJ2/CJ3

7

0.35BODY

&C36/C69

750

BRN541.

TWP

12193928

rbec_341 001Blk Asm- Rbec Sim

12H FNA

15401495

J1-8C

J8-B J8-C

TWP

.541BRN

507

&Y91&36

BODY0.35

2-Page 8A- 65/68A

HVAC-DUAL ZONEMotor Defrost

0.35 TWP

.541BRN

507

&Y91&06

BODY

0.35BODY

&Y91&06

750

BRN541.

TWP

0.35 TWP

.341BRN

507

&CJ2/CJ3

HVAC Relay-Level CompRIDE CONTROL

43A8A-Page -1

BODY

&Y91&06

750

BRN541.

TWP0.35

Rtd Module

0.35 TWP

.541BRN

507

&Y91&06

BODY

1-Page 8A-43A

RIDE CONTROL

J1-D12J1-D3

1219393015328768

Blk Asm - Lbec5

12193906

002FNAUPC

lbec_300

0.35 TWP

.541BRN

507

&Y91&06

BODY

TWP0.35HVAC

&CJ2/CJ3

750

BRN341.

Left Rear Heated Seat Mod1-Page 8A-143A

REAR HEATED SEAT (LUXURY)

BODY

&Z55-Y91

750

BRN541.

TWP0.35

8A-10B

POWER DIST

J4-BJ4-C

11-Page 8A-10B

POWER DISTLbec_541

Lbec_54111-Page

SA541

Blk Asm - Lbec541lbec_541 001UPC FNA

15328768

REAR HEATED SEAT (LUXURY)

143A8A-Page -2Right Rear - Heated Seat Mod Rear Hvac

1-Page 8A-66A/B

REAR HVAC

010551

k33010bsheet1schematic $IVEDWORK/k33010b__010

11:00:12 am

Tuesday, September 24, 200203 XCK EAU

POWER DISTRIBUTION (DIESEL)1 CKMCEPROD

11

541 LB541

LB541

RR_HVAC

IGN3_HVAC

RTD_RLY

RTD_IGN3

RRHTD_SEAT

541 LRHTD_SEAT

MTR_INLETMTR_DEFRMTR_RMIXMTR_LMIX

Panel Set: 11

Power Distribution: Diesel

K33010b_010_11

D-30PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

4 4 4

243

10A

A 10A

12092079

1390

1390 1390

SA4

A

12092076B

530 1020

4

43

10A

12092079TBC IGN0B

12092079SEO ACCYB

12092079

A

B TBC ACCY

10A

143

SA1390

IP IP IP IP IP

STG COL STG COL

A

B IGN0

A 25A

W/S WIPER

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

SA1020

ENG ENG

IP1020

1020 1020

CRANK

10A

IP

ENG

5

806

12092079

A

B

IGNITION SWITCH

ACCYIGN0START

41390

&YE9

.

&LB7

&LB7M74

.

6-Page 8A-20D

ENGINE CONTROLSPcm

J1-F8

J2-E J2-F

12193930

lbec_4UPC FNA

001

12193906

Blk Asm - Lbec3

J1-B1 J1-B2J1-D1J1-E8

Ecm8A- 6-Page 20D

ENGINE CONTROLS

1.0IP

750

YEL143.

TWP

WUFRWUR

251A/B-1 J4-B3

TBC

750

WHT530.

TWP0.35IP

schematic $IVEDWORK/k33010b__010

11:00:12 am

Tuesday, September 24, 200203 XCK EAU

POWER DISTRIBUTION (DIESEL)1 CKMCEPROD

12

010551

k33010bsheet1

3.0IP

1950

RED342.

TWP

Passkey SnsrTHEFT DETERRENT

133A8A-Page -1

Lct TcmLCT TRANSMISSION

27A8A-Page -1

TWP

.5YEL

5019

IP3.0

001ubec_1020

J1-C9

J2-E11J2-F10

1219390612193905

FNAUPC

Blk Asm - Ubec Pcm/Tcm

Lct Tcm1-Page 8A-27A

LCT TRANSMISSION

-1Rear Wiper Sw

REAR WIPER/WASH

92A8A-Page

ubec_5UPC FNA

001

12193905

Blk Asm - Ubec Eng Crank

12193906

J1-A3

J2-F3

Front Wiper Motor1-Page 8A-91A

FRONT WIPE/WASH

WUFRWUR

251B-1 J4-A3

TBC

0.35IP

750

PNK1020.

TWP

0.35IP

750

YEL43.

TWP

0.35ENG

&LB7&M74

750

PNK1020.

TXL

ENG0.35 TXL

.1020PNK

507

&LB7&M74

C1

C9

A10

4

PKEY_IGN01020

142

IGNA_SW

(Page 2)

806 ENG_CRANK

TBC_IGN0

TRNSPWR11020 TRNSPWR2 TRNS_PWR1 WSWP_PWR

TBC_ACCY

(Page 8)

JFUSE_IGNB

243

SEO_ACCY

(Page 15)

Panel Set: 12

Power Distribution: Diesel

K33010b_010_12

D-31PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGNITION SWITCH

ACCLOCK

RUN

START

IGN1

12092079

A

IP

639

3

3B IGNE

10A

12092078

A 15A

FUEL HTR B3

639 239

639SA639

IP

IP639

ENG ENG

SA3

639

&TR6

&TR6 OTHER

Rh Hdlp Level MtrHEADLAMP LEVELING

105A8A-Page -1Turn/Hazard Sw

EXTERIOR LIGHTING

110A/B8A-Page -81-Page 8A-30B

STARTING & CHARGINGClutch Switch

A/C Enable Relay1-Page 8A- 64A

HVAC

k33010bsheet1schematic $IVEDWORK/k33010b__010

11:00:12 am

Tuesday, September 24, 200203 XCK EAU

POWER DISTRIBUTION (DIESEL)1 CKMCEPROD

13

Nsbu SwitchSTARTING & CHARGING

30B8A-Page -1

010551

50

PNK239.

TXL0.5ENG

&LB7

77

&LB7

ENG0.5 TXL

.239PNK

50

TWP

.639PNK

507

&TR6

IP0.35

.

TWP0.35IP

&TR6

750

PNK639

8A-Page -8Fuel Heater

ENGINE CONTROLS

20D

TWP

.639PNK

507

-8S8

IP0.35

7

&TR6

IP0.35 TXL

.639PNK

50

0.35IP

-TR6

750

PNK639.

TWP

TWP

.3PNK

5019

IP3.0

Headlamp Leveling SwitchHEADLAMP LEVELING (EXP)

105A8A-Page -1

Glow Plug Mod10-Page 8A-20D

ENGINE CONTROLS

IpcINSTRUMENT PANEL CLUSTER

81A8A-Page -2

507

&TR6

IP0.35 TWP

.639PNK

Lh Hdlp Level Mtr1-Page 8A-105A

HEADLAMP LEVELING

J2-F9

J1-A9

J1-D10J1-F6 J2-D8

A2

SA639

IPC_IGNE

AC_RLY

639 LHDLP_MTR HAZ_FD NSBU_AUTO639HDLP_POT

GLOW_MOD

FUEL_HTRRHDLP_MTR639 CLUTCH_MAN

Panel Set: 13

Power Distribution: Diesel

K33010b_010_13

D-32PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

BRKCLTCH

IP

SEO

739

739739

3

439

3

39

B

IP ENG IP

12092078 PCMI

A

B B/U LP

A

3

12092077

20A

12092079

A

B SEO IGN

10A

739ENG IP

1139

3

839

3

15A

12092079

A 10A

TBC IGN1 B SIR

A

B12092078 15A

MANUAL SELECTABLE RIDE

43B8A-Page -1MSR Switch

0.5ENG

8A- 61A

REAR DEFOGRear Defog Relay

&LB7

750

PNK439.

TXL

1-Page

POWER DISTRIBUTION (DIESEL)1 CKMCEPROD

14

010551

k33010bsheet1schematic $IVEDWORK/k33010b__010

11:00:12 am

Tuesday, September 24, 200203 XCK EAU

0.5IP

750

YEL1139.

TWP TWP

.739PNK

507

IP0.35TWP

.39PNK

507

IP0.35

YEL50

7

&C99

IP0.5

8-Page 8A-20D

ENGINE CONTROLSMaf Sensor

TWP

.1139

8A-Page -1Back Up Switch

BACKUP LAMPS (UTILITY)

112A

50

PNK439.

TXL0.5ENG

&LB7

7

POWER ISRV MIRROR

148B8A-Page -1Mbec

750

PNK739.

TWP0.35BRKCLTCH

&ZX3

Page -6Ecm

ENGINE CONTROLS

20D8A-

3Psir Defeat Sw IndSIR(SDM & PSIR)

47B8A-Page -

J8-C

12193905

FNAUPC

Blk Asm - Mbec MSR/Rr Defog001mbec_739

1219393012193928

J1-F3

J5-D

J1-F5J2-E7 J2-F8

1219390512193906

Blk Asm - Ubec IGN1 Bus (Dsl)ubec_lb7_3UPC FNA

001

J1-A6 J1-A7

J4-A4251A-1

TBC

A/DWUF / DI

PSIR_PWR

AOS_PWR

BULP_PWR839

ECM_IGN1

TBC_IGN1

MSR_PWR

MAF_P

739 DEFOG_COIL

Panel Set: 14

Power Distribution: Diesel

K33010b_010_14

D-33PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

HDLNR UPFIT SEO

IP

4540

454045404540

BODY

4540

243

IP

SEO

UPLEVEL

EXP

UPLEVEL

0.5 TWP

.4540ORN

507

&5G4/5X7/5Y0/TRW

BRKCLTCH

1/1-Page 8A-114A/B

INTERIOR LIGHTINGUgdo

TWP

.243YEL

507

IP0.35

Mbec4540Mbec4540

10A8A-Page -15

1-Page 8A-110F

SEOLight Bar Sw

Rear Fog Lamp Relay

0.5 TWP

.4540ORN

507

&T79

IP

1-Page 8A- 106A

REAR FOG LAMP (EXP)

Mbec4540Mbec4540

10A8A-Page -15

2-Page 8A- 143A

REAR HEATED SEAT (LUX)Heated Seat Mod

243.

TWP0.5BRKCLTCH

&9L4

750

YEL

8A-Page -1Relay Fuse Center

MOBILE RADIO

155A

010551

k33010bsheet1schematic $IVEDWORK/k33010b__010

11:00:12 am

Tuesday, September 24, 200203 XCK EAU

POWER DISTRIBUTION (DIESEL)1 CKMCEPROD

15

Heated Seat ModREAR HEATED SEAT (LUX)

143A8A-Page -1

0.5 TWP

.4540ORN

507

&06&Y91

BODY

Blk Asm - Mbec SEO B1mbec_4540b 001UPC FNA

12193905153287681219403312193930

J1-F7

J3-B J6-A J8-E

J1-F11

J10-AJ8-D

Blk Asm - Mbec SEO B1mbec_4540a 001UPC FNA

121939051219393015357030

SEO_B1

RRFG_RLY

4540

SEO1_MBEC

(Page 3)

MBEC45404540

SEORLY_PWR

SEO_ACCY

(Page 12)

RRHTD_BAT

LHHTD_BAT4540

4540 UGDO_P

Panel Set: 15

Power Distribution: Diesel

K33010b_010_15

D-34PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 1

ENGINE CONTROLS

20A/B/C8A-Page -8/14/11Low Oil Level Sw

FNAUPC12103507Gz 3 Rt - Diesel Eng

12103507

001

A

B

750

BLK/WHT451.

TXL0.8ENG

ENGINE CONTROLS

20C8A-Page -12Coil Asm - Driver

750

BLK/WHT451.

TXL0.5ENG

&M30/M32/M74/MN8/MT1

Page 8A-20A/B/C/D

ENGINE CONTROLSMAF Sensor & IAT

8/14/11/8-

Nsbu Switch11/17/14/11-Page 8A-20A/B/C/D

ENGINE CONTROLS

TXL

.451BLK/WHT

507

&L18

ENG1.0

1TCM Module

TRANSMISSION

27A8A-Page -

SA451

370

0031

BETA2 CKMC031GROUND DISTRIBUTIONCK EAU X03

Wednesday, May 30, 2001

1:12:47 pm

$IVEDWORK/k33014a__003schematic sheet1

k33014a

ZONE_03

M10M10

ZONE_04

Pcm/Ecm12/18/15/12-Page 8A-20A/B/C/D

ENGINE CONTROLS

BLK/WHT50

19

&L59/LM7/LQ4/LQ9/LR4

ENG1.0

451.

TXL

TXL

.451

0.5ENG

-LB7

750

BLK/WHT7

50

BLK/WHT451.

TXL0.8ENG

001

12103507

Gz 4 Rt - LU3 Engine12103507UPC FNA

A

BFNAUPC12103507Gz 4 Rt - L18 Engine

12103507

001

A

B

1.0ENG

&LU3

750

BLK/WHT451.

TXL

50

BLK/WHT451.

TXL0.8ENG

&L18/LB7&M74

7

001

12103507

Gz 3 Rt - Gas Eng12103507UPC FNA

A

B15405494

FNAUPC

Gz 4 Rt-Gen3 Engine

15405494

001A

B

-Page 8A-20A/B/C/D

ENGINE CONTROLSPcm/Ecm

12/18/15/12

0.8 TXL

.451BLK/WHT

507

ENG

550.

TXL0.8ENG

&LU3

750

BLK

ENG0.8 TXL

.451BLK/WHT

5077

&L18/LB7&M74

ENG0.8 TXL

.451BLK/WHT

50

TXL

.451BLK/WHT

507

=&L18&NC1#&L18/L59/LM7/LQ4/LQ9/LR4/LU3-NM2

ENG0.8

451.

TXL1.0ENG

&LB7

750

BLK/WHT

Page -12/18/15/12Pcm/Ecm

ENGINE CONTROLS

20A/B/C/D8A-

ENGINE CONTROLS

20A/B/CD8A-Page -12/18/15/12Pcm/Ecm TCM Module

1-Page 8A-27A

TRANSMISSION

LU3_GND

(Page 2)

ZN3_GAS

550

451 OIL_LVLTCM_GND2 TCM_GND1

(Page 17)

ZN4_L18

VGND_D MAF_GND

VGND_A

VGND_B

VGND_C NSBU_GND

Ground Distribution

K33014a_003_01

D-35PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 2

NYS

TXL

.550BLK

5019

&LU3

ENG2.0

A

B12110246

FNAUPC

Gz 6 Rt - Qs4 Gnd

12110246

001

BETA2 CKMC031GROUND DISTRIBUTIONCK EAU X03

1:12:47 pm

$IVEDWORK/k33014a__003schematic sheet1

k33014a370

003Wednesday, May 30, 20012

50

BLK550.

TXL0.8ENG

&PTO

7

0.8 TXL

.

ENG

550BLK

5019

&L59/LM7/LQ4/LQ9/LR4

1950

BLK550.

TXL2.0ENG

&L18 .550BLK

5019

&L59/LM7/LQ4/LQ9/LR4

ENG2.0 TXL

ENGINE CONTROLS

20A/D8A-Page -12/8Low Coolant Sw

.550BLK

507

=&03/43/53&TP2#&8B0

ENG0.5 TXL

TXL

.550BLK

507

&L59/LM7/LQ4/LQ9/LR4/LU3

ENG0.35

Low Coolant Sw18/12-Page 8A- 20B/C

ENGINE CONTROLS

-Page 8A- 20B

ENGINE CONTROLSEven Ign Coils/Driver

16

ENGINE CONTROLS

20B8A-Page -15Odd Ign Coils/Driver

SB550

19

ENG0.8 TXL

.550BLK

50

AUX/DUAL BATTERY

17A8A-Page -1Aux/Dual Batt Solenoid

ENGINE CONTROLS

20B8A-Page -18Flex Fuel Sensor

M10

GENERATOR_BRACKET_GNDZONE_05

M10

&L18/L59/LB7/LM7/LQ4/LQ9/LR4/LU3

ENG0.35 TXL

.550

50

BLK7

00112103505FNAUPC

Gz 5 Rt - L18 Eng

12103505

A

B

ENG1.0 TXL

.550BLK

5019

-LB7/LU3

TXL0.8

&L18

750

BLK550

ENG

.

50

BLK550.

TXL0.35ENG

&L18/LB7

7

12146745 001A

B

PTOPTO Connector

12146745

Gz 5 Rt - Eng Strap

UPC FNA

23A8A-Page -1

.

TXL0.5ENG

7

&L18/JF4/KUP-LB7

50

BLK550

&L18

0.8 TXL

.

ENG

550BLK

507

Odd Ign Coils/Driver9-Page 8A- 20A

ENGINE CONTROLS

1950

BLK550

ENG

.

TXL0.8

&L59/LM7/LQ4/LQ9/LR4

001

08917180

Gz 5-Ground Strap

UPC FNA08917180

AB

21A8A-Page -1ETC Module

ELEC THROTTLEA/C COMP CTRLA/C Clutch

1-Page 8A-64A

12015909

Gz 5 Rt - LU3 Eng12015909UPC FNA

001A

B

.

TXL0.8ENG

BLK7

50

550 .550BLK

5019

&LB7

ENG1.0 TXL

HVACPSI Cycling Sw

2-Page 8A-65A/68A

15355130FNAUPC

Gz 5 Rt - Gen3 Eng

15355130

001A

B

SA550

ENGINE CONTROLS

20A8A-Page -10Even Ign Coils/Driver

BLK550.

TXL0.8ENG

&L59

750

-3QS4 Mdl

FOUR WHEEL STEERING (QS4)

45A8A-Page

QS4_GND650

IGNC_GND4

LCOOL_GND2

IGNC_GND1 IGNC_GND2IGNC_GND3

TP2_GND

(Page 1)

ZN3_GAS

550(Page 12)

KXB_GND5

LCOOL_GND1

ZN7_DIESEL

(Page 3)(Page 17)

ZN5_SPLICE

PSI_GND PTO_GNDETC_GNDACCLTCH_GND

FLXFL_GND

COM_ZONE5

(Page 13)550

Ground Distribution

K33014a_003_02

D-36PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&TP2/8B0

Panel Set: 3

-LU3&LU3

&LB7/8Y9

Knock Sensor Lh8/14-Page 8A-20A/B

ENGINE CONTROLSSTART & CHARGE

30A/B8A-Page -1Motor Starter

START & CHARGE

30A8A-Page -2Battery Negative

A

B

START & CHARGE

30

001

12176386

Gz 6 Rt - LU3 Batt Neg

UPC FNA12176386

8A-Page -2Generator Asm

CASE_6CASE_SW

M10

ZONE_06 ZONE_07

M10 eau_gnd_engFNAUPC

Ground Engine002

CASE_1 CASE_2 CASE_3 CASE_4 CASE_5

Battery Negative2-Page 8A-30A/B

START & CHARGE

Page 8A-20A

ENGINE CONTROLSOdd Spark Plugs

9-

UPCFNA12146360

001

A

B

Gz 7 Rt - Sec Batt Neg12146360

38B8A-Page -1Level Asm - Trfr Case

XFER CASE CONTROL

Battery Negative1-Page 8A-30B

START & CHARGE

001

15326560

Gz 6 Rt - Batt Neg

UPCFNA15326560

A

B

ENGINE CONTROLS

20A8A-Page -10Even Spark Plugs

12103507

Gz 5 Rt - LB7 Eng12103507UPC FNA

001

A

B12146362 001Gz 7 Rt - TP2 Batt Neg

12146362FNA UPC

A

B

BETA2 CKMC031GROUND DISTRIBUTIONCK EAU X03

1:12:47 pm

$IVEDWORK/k33014a__003schematic sheet1

k33014a370

0033 Wednesday, May 30, 2001

-Page 8A-17A

AUX/DUAL BATTERYAux/Dual Batt Negative

1

Page -8Knock Sensor Rh

ENGINE CONTROLS

20A8A-

650 LU3_NEG BAT_ZONE6650

BAT_ZONE7750

550

ZN7_DIESEL

(Page 2)

STARTER_GND

CASE_SW CASE2 ALT_GNDKNK_GND1

KNK_GND2CASE3

AUXBAT_GND750

Ground Distribution

K33014a_003_03

D-37PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&5Y0NP2/NP3

PICKUP

-NQ7&LB7

SUT & SUB DOMESTIC

&UY7

Panel Set: 4

ZX3

SUB EXPORT

NP1/NP8

12103506FNAUPC

Gz 21A Rt - 4WD NP2

12103506

001

A

B

Backup Alarm1-Page 8A-112A

BACKUP LAMPS

&NP2/NP3

4WDRV0.5 GXL

.2150BLK

507

$IVEDWORK/k33014a__003schematic sheet1

k33014a370

0034

BETA2 CKMC031GROUND DISTRIBUTIONCK EAU X03

1:12:47 pm

Wednesday, May 30, 2001

-Page 8A-119B

TRAILER WIRINGTrailer Bundle

1

3.0 GXL

.1750

CHASSIS

BLK50

19

&SERIES10&Z55

Trailer Bundle1-Page 8A-119B

TRAILER WIRING

BLK50

19

=&UY7&SERIES10/SERIES20-T89#&06&SERIES10&T89

CHASSIS1.0 GXL

.1750BLK

CHASSIS0.5 GXL

.2150

507

&906/36&L18/LM7/LQ4/LQ9/LR4/LU3-NQZ-T89

Mtr Bus Block/Splice6-Page 8A-110A/B

EXTERIOR LIGHTINGSecondary Pump

2-Page 8A-

FUEL SNDR/PUMP

22E

12103511FNAUPC

Gz 17 Rt - Rr Shock

12103511

001

A

B

RIDE SELECT

43B8A-Page -1RR Shock

FNA12103502

Gz 21A Rt - NP1/NP8

UPC12103502 001

A

B

15326149FNAUPC

15326149

A

B001

Gz 17 Rt - UT-HD Trlr

RIDE SELECT

43B8A-Page -1LR ShockFrt Axle Sw Asm

1-Page 8A- 38B

XFER CASE CNTL

8A-110A/B

EXTERIOR LIGHTING

-1ABS Pump

Rear Lps - Bussing Block6-Page

VSES/ABS

44A/B/C8A-Page

BODY WIRING PROV

110E8A-Page -1Emer Light Gnd

TRAILER WIRING

119A8A-Page -2Trailer Bundle

Page 8A-38A/D

XFER CASE CNTLFrt Axle Sw Asm

2-

2Trailer Bundle

TRAILER WIRING

119A8A-Page -

FNAUPC

Ring Term-RTD Compr

12162099

A

B00212162099

19

&SERIES36&T89

CHASSIS3.0 GXL

.1650BLK

50

CHASSIS1.0 GXL

.1650

5019

BLK

&UY7&SERIES36

FNAUPC

Gz 21B Rt - Fuel Tank

15326568

001

A

B

0.8CHASSIS

&ZX3

750

BLK1750.

GXL

15326568

Secondary Pump2-Page 8A-

FUEL SNDR/PUMP

22H

RIDE CONTROLRTD Compressor

1-Page 8A- 43A22G

FUEL SNDR/PUMP

8A-Page -2Secondary Pump

Xfr Case Lever Asm1-Page 8A- 38B

XFER CASE CNTL

Fuel Pump1-Page 8A-22B/E/F/G/H

FUEL SNDR/PUMP

B00115326570

FNAUPC

Gz 16 Rt - Trlr (36 Series)

15326570

A

&8S3

CHASSIS0.8 GXL

.1650BLK

507

50

2150. GXL0.5

CHASSIS

BLK

&03/43/53&L18/LM7/LQ4/LQ9/LR4/LU3-NQZ-T89

7

&53&SERIES10/SERIES20&T89

1950

BLK

CHASSIS

1750.

GXL5.0

50

2150.

GXL0.5CHASSIS

BLK

&906&T89&L18/LM7/LQ4/LQ9/LR4/LU3-NQZ

7

.2150BLK

5019

&NP1/NP8/NR4

4WDRV

TRANSFER CASE CNTL

38A/C/D8A-Page -1Trec Mdl

3.0 GXL

12103965FNAUPC

Gz 16 Rt - SEO Gnd

12103965

001

A

B

M6.3

00215326158FNAUPC

Gz 17 Rt - PU Exp Trlr

15326158

A

B

M6

ZONE_16

M6

ZONE_17

M8

ZONE_21

00115326570FNAUPC

Gz 21A Rt - ABS Mdl

15326570

A

B

1650 TRLR_GND2

TREC_GND1

AXLE_GND2150

RRLP_GND

2150 FPMP_GND

SEC_GND1SEC_GND2SEC_GND3

TRLR_GND5

TRLR_GND4ABS_MTRGND2150

BU_ALARM4WD_GND12150

1750 RRSHOCK_GND

LRSHOCK_GND

TRLR_GND11750

EMRLT_GND1650

RRLP_GNDCLVL_GND

4WD_GND2

Ground Distribution

K33014a_003_04

D-38PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

W/O SNOWPLOW

&NYS

W/ SNOWPLOW

&VYU

&T65

43

&UY7

Panel Set: 5

&Z75

ZX3

HEADLAMP LEVELINGHdlp Level Sw

1-Page 8A-105A

50

BLK2851.

GXL5.0CHASSIS

&JL4

19

001FNA UPC15326158Gz 1 Rt - Fwd Lamp

15326158

A

B001

A

B15326149UPC FNA15326149

Gz 15 Rt-Trlr (35Series)

50

BLK

7M M/P 15012047933

F

150.

TWP0.8FWDLP

&VYU

7

FWDLP0.8 TWP

.150BLK

507

&06&TR2

FWDLP

HEADLAMPS (W/O Z75)

100A8A-Page -1Rh High Beam (Export)

Primary Batt Negative2-Page 8A-30A/B

START & CHARGE

001

12146364FNAUPC

12146364Gz 1 Rt - Batt Neg

A

B

750

BLK150.

TWP0.8FWDLP

-VYU-Z75-T90-TR2

EXT LIGHTING (EXP)

110B8A-Page -5Rh Repeater Lamp

TWP0.5FWDLP

&TR6-Z75

750

BLK150.

B15317690

FNAUPC

Gz 28 Rt - VSES

15317690

003

A

REAR FOG LAMP (EXP)

1068A-Page -2RH Fog Lp

Rh Park/Turn5-Page 8A- 110A

EXTERIOR LIGHTING

VSES Module1-Page 8A- 44A

VSES W/ABS

.150BLK

507

&7Z1

FWDLP0.5 TWP

HEADLAMP LEVELING

105A8A-Page -1Rh Hdlp Level Mtr

TRAILER WIRING

119B8A-Page -1Trailer Bundle

BLK50

7

-Z75

FWDLP0.5 TWP

.150

100A8A-Page -1Rh High Beam (Domestic)HEADLAMPS (W/O Z75)

0.8 TWP

.150BLK

507

&Z75

FWDLP

RR Defog Grid1-Page 8A- 61A

REAR DEFOG

750

BLK150.

TWP0.35FWDLP

&TR6

0.5 GXL

.2250BLK

507

&53&T79

CHASSIS

Rh Low Beam1-Page 8A- 100A

HEADLAMPS

0.8 TWP

.150BLK

507

=&06&T90

FWDLP

=&06/36&T96#&53&Y91&T96

750

BLK150.

TWP0.8FWDLP

1950

BLK1550.

GXL

Rear Lps - Bussing Block6-Page 8A-110A/B

EXTERIOR LIGHTING

1.0CHASSIS

&UY7&SERIES35

15326568

A

B001

15326568

Gz 15 Rt - Frt Shock

UPC FNA

LH Fog Lp2-Page 8A- 106

REAR FOG LAMP (EXP)

0.5 TWP

.150BLK

507

&TR6

FWDLP

RR Fog Lp (Utility)1-Page 8A-106A

REAR FOG LAMP (EXP) Trailer Bundle2-Page 8A-119A

TRAILER WIRING

43B8A-Page -1LF Shock

RIDE SELECT

7

&VYU

FWDLP0.8 TWP

.150BLK

50

12103513FNAUPC

Gz 26 Rt - 43 Defog

12103513

001A

B

-1Rh Fog LampFOG LAMPS

103A/C8A-Page

FWDLP

&06&TR2

750

BLK150.

TWP0.8

Page 8A- 45A

FOUR WHEEL STRGQS4 Module Case

3-

GXL

.1550BLK

5019

&SERIES35&T89

CHASSIS3.0

Rh High Beam1-Page 8A-100B

HEADLAMPS (W/Z75)

1950

BLK150.

TXL1.0FWDLP

SB150

GROUND DISTRIBUTION

5

BETA2 CKMC031CK EAU X03

1:12:47 pm

$IVEDWORK/k33014a__003schematic sheet1

k33014a370

003Wednesday, May 30, 2001

HORN

40A8A-Page -1Rh Horn

7F M/P 15012047938

SNOPLWF EXT LIGHTING (EXP)

110B8A-Page -4Rh RN Gnd

0.8CHASSIS

&ZX3

750

BLK1550.

GXL

&Z75

750

BLK150.

TWP0.5FWDLP

0.5FWDLP

-Z75-TR6

750

BLK150.

TWP

FWDLP0.5 TWP

.150BLK

507

=&03/43&T96#&53&T96-Y91

EXTERIOR LIGHTING

110A8A-Page -5Rh Park/Turn

Rh Fog Lamp1-Page 8A- 103A

FOG LAMPS

15326568

001

A

B

FWDLP0.8 TWP

.150BLK

507

&Z75

15326568FNAUPC

Gz 22 RR Fog Lp

100B

HEADLAMPS (Z75)

-Rh HID Lp

1Page 8A-

RIDE SELECT

43B8A-Page -1RF Shock

0.5 0.5 GXL

.2250BLK

507

&53&T79

CHASSISCHASSIS

&06&SERIES10&T79

750

BLK2250.

GXL

M6

QS4CASE

M6

ZONE_01 ZONE_15

M8M8

ZONE_22 ZONE_26

M6

ZONE_28

eau_gnd_frame 003Ground Frame

UPC FNA

EXTERIOR LIGHTINGRF Side Marker

6-Page 8A- 110BRh DRL

1-Page 8A-102A/B

DRL

RHPRK_GND1

RHFOG_GND2150 RHDRL_GND RHHI_GND3

1550 TRLR_GND3

RRLP_GND

RSDMKR_GND

RH_RRFOGUT_RRFOG

CASE_QS4

RHMTR_GND

HDLPLVL_GND

RHRPTR_LP

RHHI_GND2

LH_RRFOG

RHPRK_GND2 RHID_GND

RHTRN_GND

TRLR_GND6

VSES_GND

RHFOG_GND1

150

ZN1_FWDLP

(Page 6)

1550 RFSHOCK_GNDBAT_ZONE1150 LFSHOCK_GND DFOG_432650

HORN_GND2 RHLOW_GND1

RHHI_GND1

Ground Distribution

K33014a_003_05

D-39PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

W/ SNOWPLOWW/O SNOWPLOW

&Z75

W/O LU3

Panel Set: 6

&T65

ALL ENGINES

&VYU

Lh Hdlp Level Mr1-Page 8A-105A

HEADLAMP LEVEINGLF Side Marker

4-Page 8A-110B

EXT LIGHTING (EXP)

FWDLP0.8 TWP

.150BLK

507

&YE9

150BLK

507

&TR6

FWDLP0.5 TWP

.

LH Turn Lp4-Page 8A-110B

EXT LIGHTING (EXP)

7

FWDLP1.0 TWP

.150BLK

50&06&TR2

750

BLK150.

TWP0.8FWDLP

81A8A-Page -1Low Washer Sw

IP CLUSTER

SA150

FWDLP0.8 TWP

.150BLK

507

&VYU

LH Horn1-Page 8A- 40A

HORN

schematic sheet1

k33014a370

0036 Wednesday, May 30, 2001

BETA2 CKMC031GROUND DISTRIBUTIONCK EAU X03

1:12:47 pm

$IVEDWORK/k33014a__003

DRL

102A/B8A-Page -1Lh DRL

BLK50

7

&C25

LH Fog Lamp1-Page 8A-103A/C

FOG LAMPS

REAR WIPER/WASHER

92A8A-Page -1RR Washer Pump Mtr

FWDLP0.5 TWP

.150 &L18/L59/LB7/LM7/LQ4/LQ9/LR4

750

BLK150.

TWP0.8FWDLP

8A-Page -4LH Park/Turn

-VYU-Z75-T90-TR2

750

BLK150.

TWP0.8FWDLP

EXTERIOR LIGHTING

110A

150BLK

507

=&06&T90

FWDLP0.8 TWP

.

EXT LIGHTING (EXP)

110B8A-Page -5LH Repeater Lamp

50

BLK150.

TWP0.5FWDLP

7

FWDLPF120479337M M/P 150

TWP0.8FWDLP

&06&TR2

750

BLK150.

120479387F M/P 150SNOPLWF

Lh Park/Turn4-Page 8A- 110A

EXTERIOR LIGHTING

1-Page 8A-91A

WIPER/WASHERWasher Pump Mtr

FWDLP0.8 TWP

.150BLK

507

&Z75

=&06/36&T96#&53&Y91&T96

750

BLK150.

TWP0.8FWDLP

.150BLK

507

=&03/43&T96#&53&T96-Y91

FOG LAMPS

103A8A-Page -1LH Fog Lamp

FWDLP0.8 TWP

750

BLK150.

TWP0.5FWDLP

&VYU

750

BLK150.

TWP0.8FWDLP

LHFOG_GND2 LHDRL_GND150

LSDMKR_GND LHMTR_GNDLHRPTR_LP LHTRN_GND

LHPRK_GND1LHPRK_GND2

WSHLVL_GND

(Page 5)

ZN1_FWDLP

HORN_GND1RRWP_GND

WSHPMP_GNDLHFOG_GND1

Ground Distribution

K33014a_003_06

D-40PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

LH SPLICE

Panel Set: 7

.1050BLK

507

IP0.35 TWP

&AU3-YE9

LFDOOR0.35 TWP

.1050BLK

507

8A-Page -4/3Hdlp Switch

INTERIOR LIGHTING

114A/BPage -1Cluster

IP CLUSTER

81A8A-

1950

BLK1050.

TWP3.0IP

138A

BTSIBTSI Sw

1-Page 8A-

.1050BLK

507

IP0.35 TWP

DLCData Link Conn

1-Page 8A- 50A1-Page 8A- 91A

FRT WASH/WIPEFrt Wiper Motor

CK EAU X03

1:12:47 pm

$IVEDWORK/k33014a__003 Wednesday, May 30, 2001schematic sheet1

k33014a370

0037

BETA2 CKMC031GROUND DISTRIBUTION

50

BLK1050.

TWP0.35IP

7 750

BLK1050.

TWP0.35IP

750

BLK1050.

TWP0.8IP

TWP1.0IP

750

BLK1050.

IP2.0 TWP

.1050BLK

5019

GND

J1-4254A-1

DDM

SA1050

TWP0.35LFDOOR

-YE9

750

BLK1050.

PWR DOOR LOCKS

130A/B8A-Page -1Door Lock Relay

130A8A-Page -2LF Mini Wedge

PWR DOOR LOCKS

BLK7

50

1050.

TWP0.8IP

1950

BLK1050.

TWP3.0IP

1-Page 8A-118A

CMPRT LAMPSU/H Lamp

114A/B8A-Page -3/2LH CTSY Lamp

INTERIOR LIGHTING

PWR DOOR LOCKSDrvr Lock Sw

5-Page 8A-130A

3.0 TWP

.1050BLK

5019

&YE9

LFDOOR

J1-F6

J3-D

LFDOOR

Blk Asm-LBEC

1219390612194035

eau_lbec_1050UPC FNA

002

J1-J3-

IP

TRANSFER CASE

38A/C/D8A-Page -3/2/3Xfer Case Switch

(Page 8)

MBEC_1050

1050 4WDSW_GND

IPCTSY_GND1

(Page 9)

LH_SPLICE

LFBKLT_GNDDDM_GND

1050 DRLK_GND

HDLP_GND2

BTSI_GND

UHLP_GND

LFAJAR_GND

IPCDIM_GND

DLC_GND2MTR_WPGND

Ground Distribution

K33014a_003_07

D-41PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&5X7/5Y0

HDLNR SPL

/TRW/5G4

Panel Set: 8

8A-114A/B

INTERIOR LIGHTINGMap Reading Lps

2/1-Page 110A8A-Page -2CHMSL Module

EXTERIOR LIGHTING

MSR

43B8A-Page -1MSR Switch

114A8A-Page -1B-Pillar Dm/Rdg Lp

INTERIOR LIGHTING

50

BLK1050.

TWP0.35HDLNR

=&706-YE9#&906&YE9-U42

7

114A8A-Page -2C-Pillar Dm/Rdg Lp

INTERIOR LIGHTING

0.35 TWP

.1050

INTERIOR LIGHTING

114A8A-Page -2C-Pillar Dome Lp

BLK50

7

&06&CJ2&YE9

HDLNR

INTERIOR LIGHTING

114A8A-Page -1RH Sunshade Illum

0.35BRKCLTCH

&ZX3

750

BLK1050.

TWP

HDLNR19

50

BLK1050.

TWP1.0

Page -4PCAT Sensor/Mtr

HVAC

68A8A-

BLK50

7

&03/06/36/43/53

HDLNR0.5 TXL

1050

1:12:47 pm

$IVEDWORK/k33014a__003schematic sheet1

k33014a370

003Wednesday, May 30, 20018

BETA2 CKMC031GROUND DISTRIBUTIONCK EAU X03

HDLNR

&706&YE9-U42

750

BLK1050.

TWP0.3550

BLK1050.

TWP0.35HDLNR

&03/43/53&YE9-Y91

7

110E8A-Page -1Emer Light Rly

EMERGENCY LIGHT

SB1050

1050BLK

507

&5X7

BRKCLTCH

WRECKER PKGWrecker Pkg Relay

1-Page 8A-110C

RR Pcat Sensor Asm1-Page 8A- 69A

ECC RR HVAC

0.5 TWP

.

MbecTRAILER WIRING

119A8A-Page -2

7

&CJ2

HDLNR0.35 TWP

.1050BLK

50

BLK

HDLNR

1050.

TWP0.5

=&06/36&YE9#&53&Y91

750

114A/B8A-Page -2B-Pillar Dome Lp

INTERIOR LIGHTING

BLK1050.

TWP0.5HDLNR

&03/43/53

HDLNR

=&06/36/43-YE9#&03/53

750

BLK1050.

TWP0.35750

J1-D9

J3-C

HDLNR

BRKCLTCH

J5-E

BRKCLTCH

J8-F

J9-A

INFOJMPR

Frt Aux HVAC Mdl2-Page 8A- 69A

12194035J9-12193930J8-12193928

J3-

Blk Asm-MBEC

1219390515328768

eau_mbec_1050UPC FNA

003

J1-

J5-

IP

ECC RR HVACINTERIOR LIGHTINGLH Sunshade Illum

1-Page 8A-114A

7

=&06/36&YE9#&53&Y91

HDLNR0.35 TWP

.1050BLK

148B8A-Page -1Mirror/CompassISRV MIRROR

50

0.35HDLNR

&06&CJ2

750

BLK1050.

TWP

ROOF MTD BEACONLight Bar Sw

1-Page 8A-110C/D/E

.

TWP0.35HDLNR

=&06/36&YE9#&53&Y91

750

BLK1050

&06/36/43&YE9

750

BLK1050.

TWP0.35HDLNR

50

BLK1050.

TWP0.5BRKCLTCH

&5Y0

7

114A/B8A-Page -1O/H Reading Lps

INTERIOR LIGHTING

(Page 7)

DOME_GND2

1050

MBEC_1050

MAPLP_GND2 MAPLP_GND1MDOME_GND ISRVM_GND

SEO_GND

1050 TRLR_GNDR

SEO_WCKGNDSEO_EMGND

DOME_GND1 PCAT_SENS

MSR_GND

CHMSL_GND1RR_PCAT

1050

AUX_GNDLVNTY_GND RVNTY_GND RRDOME_GND

Ground Distribution

K33014a_003_08

D-42PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

-YE9

&CJ2

-YE9

Panel Set: 9

CJ3

U84

&06/E52/ZW9

&CJ3

&TRW/5G4

U84

C42/CJ2

&03/53

Roof Mkr Lamps8-Page 8A-110A

EXTERIOR LIGHTING

ZONE_23

M6

IMPMODCASE PKBRKCASESDMCASE

M6

ZONE_10 DIVANTCASE

12129136C IP

4F M/P 280

151A8A-Page -1Impedance Match Mdl

DIVERSITY ANT

schematic sheet1

k33014a370

0039

BETA2Wednesday, May 30, 2001

CKMC031GROUND DISTRIBUTIONCK EAU X03

1:12:47 pm

$IVEDWORK/k33014a__003

TWP0.5BODY

750

BLK2351.

3.0HVAC

&C42/CJ3

1950

BLK.

TWP

1050 50

BLK2351.

TWP

110D

ROOF MTD BEACONBeacon Gnd

1-Page 8A-

0.8BODY

&Z55

7

750

BLK1050.

TWP1.0CONSOLE

&UQ7-Y91

43A8A-Page -1RTD Module

RIDE CONTROL

&UQ7-Y91

CONSOLE0.8 TWP

.1050BLK

507

12103514

Gz 23 Rt - BODY12103514UPC FNA

001A

B

.2351BLK

507

&03/53&TRW/5G4

BEACON0.8 TWP

TWP0.8CONSOLE

&UQ7-Y91

750

BLK1050.

TWP

.2351BLK

507

&AL0

BODY0.5

0.5 TWP

.1050BLK

507

&CF5

RFMKR

CIGAR/AUX PWR

19B8A-Page -1Cigar Lighter

HVAC-DUAL ZONE

68A8A-Page -3Frt Blower Mtr

POWER SUNROOFPower Sunroof

1-Page 8A-122A -1APO Bin 1

CIGAR/AUX PWR

19B8A-Page

UPC FNA12162098

A

B001

12162098

Gz 23 Rt - TRW(03/53/16)001

FNAUPC12103514Gz 23 Rt - Seats

12103514

A

B

Sdm1-Page 8A-

SIR

47A/B

110D8A-Page -1Beacon Relay

ROOF MTD BEACON

001

12103513

Gz 10 Rt - HVAC (CJ3/C42)

UPC FNA12103513

A

B

TWP

.BLK

5019

&C42/CJ2

HVAC3.0

1050

8A-Page -1Sunroof Relay

POWER SUNROOF

122A

151A

DIVERSITY ANTDiversity Ant Mdl

1-Page 8A-

&UQ7-Y91

CONSOLE0.8 TWP

.1050BLK

507

60A/65A8A-Page -1/4Blower Mtr Res Asm

HVAC

47AB

12103513FNAUPC

Gz 10 Rt - HVAC (CJ2/C42)

12103513

001A

B

SIRSDM Module

1-Page 8A-

&CF5

1950

BLK1050.

TWP2.0RFMKR

0.35 TWP

.1050BLK

507

-YE9

RFDOOR

TWP0.35

&U01-YE9

40F GT 150 280INFOJMPRB8

RFMKR7

50

BLK1050.

15304837

ENGINE CONTROLS

20XPark Brake Sw

X-Page 8A-

SD1050

001

A

B

PDM253A-1 J1-3

GND

12162098FNAUPC

Gz 10 Rt - HVAC (CJ3)

12162098

HVACAir Inlet Mtr Asm

2-Page 8A-65A

Cargo Lock Sw5/2-Page 8A-130A/B

PWR DOOR LOCKS

C INFOJMPR4M M/P 28012129135

AOS Module5-Page 8A-140A

FULL FEATURE SEATS

PWR DOOR LOCKSPass Lock Sw Dimming

4-Page 8A-130A7

APO Front1-Page 8A-19B

CIGAR/AUX PWR

&UQ7-Y91

CONSOLE0.8 TWP

.1050BLK

50

J4-A

J6-C

RFMKR

121940371219393015401495

J1-2F

IP

J1-4A

IP

IP

J1-6C

RFDOOR

J2-F

HVAC 12193929J6-J4-J2-J1-

005FNAUPC

eau_rbec_1050Blk Asm-RBEC

&UQ7-Y91

INFOJMPR1.0 TWP

.1050BLK

507

B81533641740M GT 150 280CONSOLE

3.0RFDOOR

&YE9

1950

BLK1050.

TWP

Page 8A- 19B130A8A-Page -2RF Mini Wedge

PWR DOOR LOCKS CIGAR/AUX PWRAPO Rear

1-

TWP

1050

3.0HVAC

&CJ3

1950

BLK.

SDM_CGND XX7IMPMODGNDDIVANTGND

APO_GND2

SPL_APO

(Page 16)1050

CIG_LTRG1

1050

IP_SPL1

(Page 16)

INLET_GND1050

PDM_GND

RFBKLT_GND1050

SNRF_GND APO_GND4 APO_GND3

CARGO_GND2351

BLW_GND

RFMKR_GNDSNRFRLY_GND

(Page 16)

IP_SPL2

1050

AOS_GND

1050

(Page 7)1050

RFAJAR_GND

SDM_GND

LH_SPLICE

BLW_MTRG

2351 SEORLY_GND2RTD_MOD_GND BEACON_GND2

Ground Distribution

K33014a_003_09

D-43PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 10

ZONE_18

M6

0.35IP

7BLK/WHT

50

1851.

TWP

Flasher Asm3-Page 8A-110A/B

EXTERIOR LIGHTING

1851.

TWP0.35LFDOOR

&AU3-YE9

750

BLK/WHT

J2-B6GND1

TBC251-1

87B

DAB/SDARSDAB/SDARS Module

1-Page 8A-

Gz 18 Rt - IP MIDCLEAN

12103512

A

B00312103512

FNAUPC

1851.

TWP0.5INFOJMPR

&UE1-Y91

750

BLK/WHT

TWP

.1851BLK/WHT

507

IP0.35

LFDOOR 12194035J3-12193906J1-

Blk Asm-LBECeau_lbec_1851UPC FNA

002

IP

J1-D10 J3-M

750

BLK/WHT1851.

TWP0.5IP

&U2K/U2L&Y91

507

IP1.0 TWP

.1851BLK/WHT

STEERING WHEEL CONTROLSSWC

1-Page 8A-152A

sheet1

k33014a370

00310

BETA2 CKMC031GROUND DISTRIBUTIONCK EAU X03

1:12:47 pm

$IVEDWORK/k33014a__003schematic Wednesday, May 30, 2001

TWP

.1851BLK/WHT

5019

IP3.0

J1-E8

IP

INFOJMPR

J9-K

INFOJMPR

J9-L J1-B3J1-B5

IP

J1-C5

IP IP

J1-A5

IP

7

IP1.0 TWP

.1851BLK/WHT

50

ONSTAR

85A8A-Page -1Onstar Module

TWP

.1851BLK/WHT

507

&U42-Y91

INFOJMPR0.5

8A-Page -5LF Pwr Door Lck Sw

POWER LOCKS

130A

7

IP0.35 TWP

.1851

50

BLK/WHT

&UE1-Y91

INFOJMPR0.5 TWP

.1851BLK/WHT

507

J3-B6251-1

TBC

GND2

Onstar Module1-Page 8A-85A

ONSTAR

1150ABC8A-Page -Radio

INFOTAINMENT-RADIO

0.35IP

750

BLK/WHT1851.

TWP

DLCData Link Conn

1-Page 8A-50A

BLK/WHT1851.

TWP0.8IP

750

EXTERIOR LIGHTING

110A/B8A-Page -8Steering Wheel Gnd

65A/68A8A-Page -2HVAC Module

HVAC

INFOTAINMENT-RSE

88A8A-Page -1RSE Module

(PAGE 12)

Z18_MDCLEAN

1851

SWC_GND

DLC_GND1

RDIO_GND1851

DAB_IPGND

HVAC_GND

HAZ_GNDONST_INFOGND1 ONST_INFOGND2

RSE_INFOGND

TBC_GND1

LFDRLK_GND

FLS_GND

TBC_GND2

Ground Distribution

K33014a_003_10

D-44PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 11

&UK6&UQ7-Y91 &UQ7-UK6-Y91

&UK6&UQ7-Y91 &UQ7-UK6-Y91

PWR DOOR LOCKS

130A8A-Page -4Pass Lock Sw

INFOTAINMENT-RADIO

150C8A-Page -3RSA Module

50

BLK/WHT1851.

TWP0.35IP

&NP1/NP8

7

1851.

TWP2.0INFOJMPR

&UQ7-Y91

1950

BLK/WHT

&UK6&UQ7-Y91

CONSOLE0.5 TWP

.1851BLK/WHT

507

.1851BLK/WHT

507

&AU3-YE9

IP0.35 TWP

ONSTAR

85B8A-Page -1Onstar Mdl

Page 8A-81A

IP CLUSTERIPC Module

1-

TWP

.1851

0.5BLK/WHT

507

&UE1&Y91

IP

SD1851

1530483740F GT 150 280IPD5

34A

CRUISE CONTROLCruise Module

1-Page 8A-

Headlamp Switch2/1-Page 8A-100A/B

HEADLAMPS

DAB/SDARS Module1-Page 8A-87A

DAB/SDARS

GROUND DISTRIBUTIONCK EAU

150B8A-Page -4Bose Amp 6 Channels

X03

1:12:47 pm

$IVEDWORK/k33014a__003schematic sheet1

k33014a370

003Wednesday, May 30, 200111

BETA2 CKMC031

INFOTAINMENT-RADIO

.

TWP0.5CONSOLE

&U1S&US2&Y91

750

BLK/WHT1851

TRANSFER CASE CNTL

38A/D8A-Page -1Trec Mdl

BLK/WHT50

7

&K34

IP0.35 TWP

.1851

J9-M

INFOJMPR IP

J1-F5

IP

J1-F8

IP

J1-D5

IP

J1-D8

IP

J1-E5

J9-1219403512193905

Blk Asm-MBECeau_mbec_1851UPC FNA

005

J1-

40F GT 150 280INFOJMPRD515304837

TWP

.1851BLK/WHT

507

&T79

IP0.35

RSA Module3-Page 8A-150B

INFOTAINMENT-RADIO

1851.

TWP0.5IP

&UE1&Y91

750

BLK/WHT

50

BLK/WHT1851.

TWP0.35IP

7

&UQ7&Y91

CONSOLE2.0 TWP

.1851BLK/WHT

5019

1533641740M GT 150 280CONSOLED5

CDX Module1-Page 8A-153B

REMOTE CD PLAYER

SD1851

.

TWP2.0IP

&UQ7&Y91

1950

BLK/WHT1851

IP0.35 TWP

.1851BLK/WHT

507

106A8A-Page -1RR Fog Lp Sw

RR Fog Lp (Export)

50

BLK/WHT1851.

TWP2.0CONSOLE

&UK6&UQ7-Y91

19

1533641740M GT 150 280CONSOLED5

85B8A-Page -1Onstar MdlONSTAR

BLK/WHT1851.

TWP0.5INFOJMPR

&U2K/U2L-Y91

750

TWP

.1851BLK/WHT

5019

&UQ7-UK6-Y91

CONSOLE2.0

TWP0.5CONSOLE

&UQ7&Y91

750

19

&UQ7&Y91

CONSOLE2.0 TWP

.

50

BLK/WHT1851. 1851

BLK/WHT.

TWP2.0CONSOLE

&UK6&UQ7-Y91

1950

BLK/WHT1851

Page 8A-150C

INFOTAINMENT-RADIOBose Amp 8 Channels

4-

INFOTAINMENT-RSE

88B8A-Page -1RSE Module

507

&U42&Y91

IP0.5 TWP

.1851BLK/WHT

AMP_6CH_GNDRSA_INFOGND

TREC_GND2

AMP_8CH_GNDRSA_IPGND

RRFOG_GND

ONST_IPGND2

IPC_GND CDX_GNDDAB_INFOGND

ONST_IPGND1

RFDRLK_GND

CRUISE_GND

HDLP_GND1RSE_IPGND

Ground Distribution

K33014a_003_11

D-45PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&36&Y91

&03/43/53&NW7&SERIES10/SERIES20-JL4 ( P/U W/ NW7)

&06/36/43

&JL4-NR4/NW7 ( UT W/ VSES)

&06/36&NW7&SERIES10/SERIES20-JL4 ( UT W/ NW7)

Panel Set: 12

03/53

&AG2-36

143A8A-Page -2Heated Seat

RR HEATED SEAT

ZONE_12

M6

DABCASE

114A

INTERIOR LIGHTINGRR Door Courtesy Lp

3-Page 8A-

REAR DEFOG

61A8A-Page -1Rr Wdo Defog Grid

61A8A-Page -1RR Defog GridREAR DEFOG

.1250BLK

5019

&36&C49

BODY3.0 TWP

1:12:47 pm

$IVEDWORK/k33014a__003schematic sheet1

k33014a370

00312

BETA2Wednesday, May 30, 2001

CKMC031GROUND DISTRIBUTIONCK EAU X03

70A8A-Page -1RPA Dis Sw

RPA

140A8A-Page -1Drv Seat Mdl

SEATS

001

12103513

Gz 12 Rt - RCBP

UPCFNA12103513

A

B

Gz 12 Rt - RR Door15317690FNA UPC15317690

003

A

B

&T89

IP0.35 TWP

.1851BLK/WHT

507

44A/B8A-Page -1VSES/TCS Sw

BRAKES

RIDE CONTROLRTD Module

1-Page 8A- 43A8A-Page -1RPA Diagnostic Conn.

RPA

70A

SEATSPass Seat Mdl

4-Page 8A-140A

IP0.35 TWP

.1851BLK/WHT

507

&Z75

SA1250

EXTERIOR LIGHTING

110A8A-Page -2CHMSL Mdl

&03/53&AG2

BODY3.0 TWP

.1250BLK

5019

Frt Fog Lp Sw1-Page 8A-103C

FRT FOG LP EXPORT

BODYF121772607F M/P MXD

CARGO LAMPFog/Cargo Lp

1-Page 8A-116A/B

SC1851

140A8A-Page -4Pass Seat Mdl

SEATS

50

1851. TWP1.0

BLK/WHT

IP

=&03/36/43/53#&06-T89#&T89#&Z75#&JL4-NR4/NW7#&03/06/36/43/53&NW7&SERIES10/SERIES20-JL4

19

&03/36/43/53

750

BLK/WHT1851.

TWP0.35IP

RR WIPER/WASHERFrt Fog/Rr Wiper Sw

1-Page 8A-92A

001

12103513

Gz 12 Rt - 03/53 Dfg

UPCFNA12103513

A

B

7

&36&Y91

BODY0.35 TWP

.1250BLK

50

BODY

BLK3.0 TWP

.1250

5019

&36

BODY

&36

750

BLK1250.

TWP0.8

&06-T89

750

BLK/WHT1851.

TWP0.35IP

BODY

&36&Y91

1950

BLK1250.

TWP2.0

0.8 TWP

.1250BLK

507

&06/36/43&YE9

RRDOOR

PWR DOOR LOCKS

130A/B8A-Page -3/4RR Miniwedge RR Pwr Window Sw

2-Page 8A-120A

PWR WINDOWS

RRDOORF1217725817M M/P MXD

.1250BLK

5019

&36&AG2

BODY3.0 TWP

12162099

Gz 12 Rt - Lux UT

UPCFNA12162099 001

A

B

1250.

TWP2.0BODY

&06/36/43&YE9

1950

BLK

750

BLK1250.

TWP0.5BODY

&06&Y91

DAB/SDARS Module1-Page 8A-87A

DAB/SDARS

RPARPA Module

1-Page 8A- 70A

Z18_MDCLEAN

(PAGE 10)

CASE_INFODAB

CGO_FOG_GND FOG_EXPGND

PSM_GND2 RPAMDL_GND21250

1250 PSM_GND1

DSM_GND1

RRWDO_GND1250

RRDR_CTSYG

RRWPSW_GND

DFOG_36

RRSEAT_GND

RPA_DIAGND1 RTD_GND1

RRAJAR_GND1250

1851 VSC_GND

1250 DFOG_0353

RPASW_GND

CHMSL_GND2

Ground Distribution

K33014a_003_12

D-46PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&06/43/36&YE9

&AG2

&06/36/43

&06/43

Panel Set: 13

ASK JOHNTO VERIFYGAUG SIZE

&TRW/5G4

&06/36/43

M6

ZONE_08 ZONE_11

M6

550BLK

50225

-KXB

STRAP13.0 BARE

.

Wednesday, May 30, 200113

003370

k33014asheet1schematic $IVEDWORK/k33014a__003

1:12:47 pm

03 XCK EAU

GROUND DISTRIBUTION1 CKMC03BETA2

17M M/P MXDF12177258

LRDOOR

BLK50

7

&06&Y91

BODY0.5 TWP

.1150

00112103965FNAUPC

Gz 11 Rt - Beacon

12103965

A

B003

15317690UPCFNA

15317690Gz 11 Rt - Rear DoorA

B

INTERIOR LIGHTING

114A8A-Page -3LR Door Courtesy Lp

F 7F M/P MXD12177260

BODY

PWR WINDOWSLR Pwr Window Sw

1-Page 8A-120A

PWR DOOR LOCKSLR Miniwedge

3/4-Page 8A-130A/B

00112162099FNA UPC

Gz 11 Rt - Lux UT

12162099

A

B

HEATED SEATS

143A8A-Page -1LR Heated Seat

TWP

.2650BLK

507

&06/43&TRW/5G4

BEACON0.5

Beacon GndROOF MTD BEACON

110D8A-Page -1

003

12146366

Gz 8 Rt - Eng Strap

UPC FNA12146366

A

B

50.0STRAP

&KXB

1008

TWP

.1150BLK

5019

50

BLK550.

BARE

&06/36/43&YE9

LRDOOR2.0

001

08917180

Gz 8 Rt - Ground Strap

UPC FNA08917180

A

B

110D8A-Page -1Beacon Relay

ROOF MTD BEACONSEATSDrv Seat Mdl

1-Page 8A-140A

BLK50

19

&06/36/43&YE9

BODY2.0 TWP

.1150

1150

LRDR_CTSYG1150

1150 LRAJAR_GND LRWDO_GND

LRSEAT_GND

DSM_GND2(Page 2)

KXB_GND5COM_ZONE5

(Page 2)SEORLY_GND1

BEACON_GND11150

Ground Distribution

K33014a_003_13

D-47PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 14

ZONE_14

M6UPC

Ground Body003eau_gnd_body FNA

.1450BLK

507

&C36&C69

AUXACBLWR0.8 TWP

.

AUXACBLWR0.35 TWP

1450BLK

507

&C69-C36

00212103512FNAUPC

Gz 14 Rt - Rear Heater

12103512

A

B

-Page 8A-66B

REAR HVAC MANUALRR HVAC Mdl Asm

1

8A-Page -2Rr HVAC Mdl

REAR HVAC MANUAL

66A

1450.

TWP3.0AUXACBLWR

&C69-C36

1950

BLK

C

AUXACBLWR

D

AUXACBLWR

AUXACBLWR

F

GRD

splsvr_zone14UPC FNA

001Splsvr-Aux HVAC

12176491

A

AUXACBLWR

B

AUXACBLWR AUXACBLWR

66A

REAR HVAC MANUALRr HVAC Mdl

1-Page 8A-66A

REAR HVAC MANUALRR Aux Mode Actuator

1-Page 8A-

50

BLK1450.

TWP0.8AUXACBLWR

&CJ2

7

0.35AUXACBLWR

&C36&C69

750

BLK1450.

TWP

1450BLK

507

&C36&C69

AUXACBLWR0.35 TWP

.

8A- 66A

REAR HVAC MANUALRR Aux Temp Actuator

1-Page

3.0AUXACBLWR

1450 &CJ2

1950

BLK.

TWP

RR Aux HVAC Asm2-Page 8A-66B

REAR HVAC MANUAL

3.0AUXACBLWR

&C36&C69

1950

BLK1450.

TWP

ECC RR HVAC

69A8A-Page -1RR Htr A/C Mdl Asm

14 Wednesday, May 30, 2001003

370

k33014asheet1schematic $IVEDWORK/k33014a__003

1:12:47 pm

03 XCK EAU

GROUND DISTRIBUTION1 CKMC03BETA2

69A8A-Page -1RR ECC Module Asm

ECC RR HVAC

(Page 15)

ZN14_SPLSVR

RRECC_GND

RRMODE_GND AUXBLWR_GND2

AUXBLWR_GND1RRHVAC_GND1ECCMTR_GND

RRHVAC_GND2RRTEMP_GND

E

Ground Distribution

K33014a_003_14

D-48PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&Z55

Panel Set: 15

BODY

GRD

Splsvr-Body002

FNAUPCsplsvr_zone14BODY

A

BODY

B C

BODY

D

BODY BODY

E F

12176491

12129490B EGATE EXT

3M M/P 280

8A-133A

THEFT DETERLH-Liftgate Ajar Sw

2-Page

5019

&E52

EGATEXTTXL3.0

.1450BLK

133A8A-Page -2Lift Glass Sw

THEFT DETER

7

&E52

ENDGATE0.35 TWP

.1450BLK

50

TWP

.1450BLK

5019

&E52

BODY3.0

Page 8A-19A/B/C

CIGAR/AUX PWRD-Pillar Pwr Point

2-

RIDE CONTROLRTD Module

1-Page 8A- 43A

7

&906

BODY0.35 TWP

.1450BLK

50

50

BLK1450.

TWP0.35ENDGATE

&E52

77

&AU3&E52

ENDGATE

BODY12F GT 28015355586

B

0.35 TWP

.1450BLK

50

8A-Page -1RPA Diag Conn

RPA

70A

SIDE CONTACT PLATES

129A8A-Page -2Lh Door Ajar

2.0BODY

&ZW9

1950

BLK1450.

TWP

61A8A-Page -1Lift Gate Wdo Grid

REAR DEFOG

ENDGATE

&E52

750

BLK1450.

TWP0.35

Rh Door AjarSIDE CONTACT PLATE

129A8A-Page -1

REAR WIPE/WASHRR Wiper Mtr

1-Page 8A- 92A

0.5BODY

&06

750

BLK1450.

TWP

PWR DOOR LOCKSKey Cyl Sw

3-Page 8A-130B

BODY

&906&NYS

750

BLK1450.

0.5 TWP

Lp Dome D-Pillar3-Page 8A-114A

INTERIOR LIGHTING

EGATE EXT12M GT 28015326018

B

Page 8A- 110A

EXTERIOR LIGHTINGTailgate Lamp

9-

EXTERIOR LIGHTING

110A/B8A-Page -2CHMSL Module

.1450BLK

5019

&ZW9

BODY2.0 TWP

ENDGATE

&E52

1950

BLK1450.

3.0 TXL

SA1450

ENDGATE3F M/P 28012129489

B

TWP

.1450BLK

507

&06

BODY0.8

1:12:47 pm

03 XCK EAU

GROUND DISTRIBUTION1 CKMC03BETA2

15

003370

k33014asheet1schematic $IVEDWORK/k33014a__003 Wednesday, May 30, 2001

ENDGATE

&E52

1950

BLK1450.

TWP2.0

THEFT DETER

133A8A-Page -2RH-Liftgate Ajar Sw

RPA Module1-Page 8A- 70A

RPA

1.0 TWP

.1450BLK

507

&E52

ENDGATE

906_TAIL_G

RTD_GND21450

DOME_GND3

RPA_DIAGND21450

CHMSL_GND3 RHAJAR_GND

CYLKEY_GND RGATE_GND LFGATE_GND

ZN14_SPLSVR

(Page 14)

APO_GND9

LHAJAR_GND

RPAMDL_GND11450

LGLASS_GND RRWPR_GND LGATE_GND

Ground Distribution

K33014a_003_15

D-49PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

RH SPLICE

PICKUP

&Z75

CREW CAB/UTILITY

SPLICE

Panel Set: 16

CONSOLE

TWP0.8BLK

CONSOLE

&UQ7&Y91

750 50

BLK1050.1050.

&Z75/Z88&UQ7&Y91

TWP0.8CONSOLE

7

SIR

47B8A-Page -3PSIR Defeat Sw

.1050BLK

507

&PTO

IP0.35 TWP

-UQ7-Y91

750

BLK1050.

TWP0.8IP

&C99

TWP0.8IP

750

BLK1050.

2PTO Switch

PTO

15304837

B8

23A8A-Page -

IP40F GT 150 280

1050.

TWP0.8BLK

CONSOLE

&Z88&UQ7&Y91

750

16 Wednesday, May 30, 2001003

370

k33014asheet1schematic $IVEDWORK/k33014a__003

1:12:47 pm

03 XCK EAU

GROUND DISTRIBUTION1 CKMC03BETA2

HVACHVAC Module

1-Page 8A-60A/65A/68A

7

&06&Y91

CONSOLE

BLK50

7

&NYS

IP0.35 TWP

0.35 TWP

.1050BLK

50

.1050

507

&UQ7&Y91

CONSOLE

BLK0.8 TWP

.1050

SD1050

7

IP0.35 TWP

&06/36/43.1050BLK

50

-1QS4 Switch

FOUR WHEEL STRG

45A8A-Page

APO Bin21-Page 8A- 19C

CIGAR/AUX PWR

.1050BLK

507

CONSOLE0.35 TWP

&06/36/53&Y91

INTERIOR LIGTHING

114A/B8A-Page -2Y91 BIN Lamp

2.0IP

1950

BLK1050.

TWP

SC1050

1LR Htd Seat SwHEATED SEATS

143A8A-Page -

40M GT 150 28015336417

B8 CONSOLE

Cigar Lighter1-Page 8A-19C

CIGAR/AUX PWRRR Htd Seat Sw

2-Page 8A-143A

HEATED SEATS

BLK50

7

&Y91

IP1.0 TWP

.1050

0.35IP

7BLK

50

1050. TWP

0.35 TWP

.1050BLK

507

&06&Y91

CONSOLE

INTERIOR LIGHTINGRH CTSY Lamp

3/2-Page 8A-114A/B

TWP1.0BLK

CONSOLE

&Y91

750

1050.

APO Bin11-Page 8A-19C

CIGAR/AUX PWR

BLK1050.

&03/53&YE9

TWP0.35IP

750

CIGAR/AUX PWR

19C8A-Page -1APO Front

507

IP1.0 TWP

&UQ7-Y91

BLK.1050

CIGAR/AUX PWR

19C8A-Page -2Analog Clock

1-Page 8A-118A

INTERIOR LIGHTINGGlove Box Lp

APO Rear1-Page 8A-19C

CIGAR/AUX PWR

TWP0.8BLK

CONSOLE

&UQ7&Y91

750

1050.

Page 8A- 19A

CIGAR/AUX PWRAPO Front Trim

1-

TWP3.0IP

BLK19

50

1050.

BINLP_GNDCLCK_GND1050

1050 BKLT_GND

IP_SPL1

(Page 9)

APO_GND8APO_GND5

SPL_APO

(Page 9)

PSIR_GND

GBOXLP_GND

APO_GND6 CIG_LTRG2

IPCTSY_GND2

PTOSW_GND

APO_GND1

QS4_SWGND

RRHTD_GND

IP_SPL2

(Page 9)

APO_GND7 LRHTD_GND

Ground Distribution

K33014a_003_16

D-50PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 17

507

=&L18&NC1#&L59/LM7/LQ4/LQ9/LR4/LU3-NM2

ENG0.8 TXL

.451BLK/WHT

HEADLAMPS (W/Z75)

100B8A-Page -1Lh High Beam

GROUND DISTRIBUTIONCK EAU X03

1:12:47 pm

$IVEDWORK/k33014a__003schematic sheet1

k33014a370

003Wednesday, May 30, 200117

BETA2 CKMC031

-Z75

750

BLK550.

TWP0.5FWDLP

CHASSIS7

50

BLK550.

GXL0.5

&JH1/JH2

0.8ENG

=&L18&NC1#&L59/LM7/LQ4/LQ9/LR4/LU3-NM2

750

BLK/WHT451.

TXL

Pcm7/8/8-Page 8A-20A/B/C

ENGINE CONTROLS

SB451

507

&TR6-Z75

LH High Beam (Export)1-Page 8A- 100A

HEADLAMPS (W/O Z75)

FWDLP0.5 TWP

.550BLK

ENG

J2-B7

J3-E4

CHASSIS

J4-A4

FWDLP

J3-

Blk Asm-UBEC004

FNAUPCeau_ubec_550

J2- 1219390612193916

J4- 12193914

-Page 8A- 44B

BRAKESHydroboost Fluid Lvl

1

FWDLP

&TT6

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TWP0.8

BRAKES

44A/C8A-Page -1Brk Fluid Lvl Sw

&EXPORT

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50

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GXL0.5

.

TXL0.8ENG

=&L18/L59/LM7/LQ4/LQ9/LR4/LU3-NM2

750

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&JH2/JH6/JH7

0.5 GXL

.550BLK

507

CHASSIS

ENGINE CONTROLS

20A/B/C8A-Page -7/8/8Pcm

Pcm7/7/7-Page 8A-20A/B/C

ENGINE CONTROLS

10A8A-Page -2IGN1 Relay (Uh Bec)

POWER DIST

550BLK

507

&Z75

-Page 8A- 44A/B

BRAKES

FWDLP0.5 TWP

.

Brk Press Diff Sw1

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100B8A-Page -1LH HID Lp

7

=&Z75#&TT6#&TR6-Z75#-Z75#-Z75-TR6

FWDLP0.8 TWP

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50

7/7/7Pcm

Primary Fuel Relay1-Page 8A-22B/E/F/G/H

FUEL SNDR/PUMP

ENGINE CONTROLS

20A/B/C8A-Page -

FWDLP0.5 TWP

.550BLK

507

-Z75-TR6

HEADLAMPS (W/O Z75)

100A8A-Page -1LH High Beam (Domestic)

Page 8A- 100A

HEADLAMPS

ENG0.8 TXL

.451BLK/WHT

507

=&L18/L59/LM7/LQ4/LQ9/LR4/LU3-NM2

LH Low Beam1-

LHHI_GND3

BRKFLD_GNDDPRES_GND

LHHI_GND2 LHID_GND

HTR_GNDA

HTR_GNDB

HTR_GNDC

HTR_GNDD

ZN4_L18

(Page 1)451

LHLOW_GND1LHHI_GND1

550(Page 2)

ZN5_SPLICE

IGNRLY_GND FPRLY_GND

HYDRO_GND

Ground Distribution

K33014a_003_17

D-51PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

-

+

Panel Set: 1

.2RED

50 19

BATPOS

241.

TXL0.5ENG

Megafuse Ring Term 200212146365

FNA UPC12146365

A

B

FUSELINK5.0

1950

.

TXL3.0

42RED

=&03/43/53&TP2#&8B0

750

BRN

IPC

1532608516M GT 150 280ENGC

BATPOS

B

-Page 8A- 10A

POWER DIST

40A

Uh Bec10

1532608416F GT 150 280

15A

POWER DIST

10A8A-Page -

SB002

Aux Batt Sol Ring Term 2

UPCFNA12146365 002

12146365A

.

STT13.0

Starter1-Page 8A-30A

STARTING & CHARGING

12IGN3-4WD (Lh Bec)

1RED

5019

BATPOS

BATPOS75

50

RED1

14A8A-Page -3Gnd Zone #7

GND DIST

SA1

5.0 FUSELINK

.

13.0

13.0 STT

.750BLK

5075

BATNEG

12146365

Megafuse Ring Term 1

UPC FNA12146365 002

A

B

BATPOS75

50

RED1.

STT

00212146365FNAUPC

Aux Batt Sol Ring Term 1

12146365

A

B

GND DISTGnd Zone #5

2-Page 8A-14A

FNAUPCaux_relaySolenoid Swt-Aux Stor Batt

A

BL

P

mega_40a 001Megafuse-40A

UPC FNA

40AMPS

A

B

CKMC03PROD1

001Batteryaux_batUPC FNA

12146464P-12146464N-

P

N

001

12052641

00561

k33017asheet1schematic $IVEDWORK/k33017a__005

6:18:15 pm

Thursday, January 3, 2002&TP2/8B003 XCK EAU

AUXILIARY/DUAL BATTERY1

550 TP2_GNDAUXBAT_GND

2 AUX_BAT2 241 IGN3_TP2AUXBAT_TP2

Auxiliary Battery

K33017a_005_01

D-52PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

V+

VCC

IGN

CASE

Panel Set: 1

C

EGRPOS

D

5VREF

E

EGRHI

12186056

0050A6L 3

Valve Asm - EGRegr_valve_l18 001

A

EGRLO

B

EGRRET

ENGTXL

.407BLK

500.35 7

.

TXL

ENG70.35 50

PPL719

TAN/WHT332.

TXL

ENG70.35 50

7

ENGTXL

.2705GRA

500.35

FNAUPCsnsr_oil_pressSen - Oil Press

003

15344137

1

REFLOW

2

5VREF

3

OILPRESS

TXL

ENG70.35 50

BLK2755.

Friday, July 19, 2002$IVEDWORK/k33020a__009

9:02:41 am

&L1803 XCK EAU

ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)1 CKMC03aPROD

1

009384

k33020asheet1schematic

0015000A12F

map_snsrSensor - Map

12129946LOWREF

A

MAP

B

REF5V

C

J2-7

LEGR1 HI

J2-58

ENGINE OILPRESS

J2-41

LEGR1 LO

MAP

J2-32

TPS

J2-24

VREF 1 D

J1-8J1-74

ECL TEMP

J1-7

VREF 1 C

VREF RTN C

J1-63J1-60

VREF RTN DVREF RTN B

J1-54 J1-55

LEGR1 POS

J1-48

VREF 1 B

J1-47

VREF 1 A

J1-41

VREF RTN A

PCM

TXL

ENG70.35 50

GRA596.

ENG70.35 50

WHT257.

TXL

469.

TXL

ENG70.35 50

ORN/BLK

001

15324589

4000A12Fcool_temp_l18Sen Asm-Cool Temp

REFLOW

A

TEMP

B C

TEMP

ENGTXL

.1456BRN

500.35 7

ENGTXL

.597GRA

500.35 770.35 50

YEL410.

TXL

ENG

.1676RED

500.35 7

ENGTXL

GRN LT432.

TXL

ENG70.35 50

CL_TMP

(Page 7)

Engine Controls: L18 – 8.1L Gas

K33020a_009_01

D-53PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

M74 = ALLISON LCT AUTO TRANS

MN8 = 4L80E AUTO TRANS (HD)ML6 = MANUAL TRANS

MT1 = 4L80E AUTO TRANS

EVA = EVAP EMISSIONSNM2 = LEADED FUEL

RPO LEGEND

Panel Set: 2

.1310WHT

500.5 7

ENGTXL

B

can_purgeValve Asm-Cnstr Purge

8D 0660A

12052643

001

A

TISS

LO

B

003

15359366

FNAUPC

trans_speed_senTransmission Output Speed Snsr

A

HI

428. TXL

ENG70.5 50

GRN DK/WHT

1-Page 8A- 27A/B

LCT TRANSMISSION

ENGINEF

Rep Toss

1537354712M GT 150 280

1230. TXL

ENG

&MN8/MT1

70.5 50

RED/BLK

003

15359366

FNAUPC

trans_speed_senTrans Input Speed Snsr

A

HI

TISS

LO

B

VENT SOLENOIDFUEL TANK

J2-45

RELAY

J2-36

RELAYAIR PUMP

SOLENOIDAIR

J2-4

SOLENOIDCANISTER PURGE

J2-34 J2-21

TISS

HI

J2-22

LOW

J2-23

LOW

J2-20

TOSS

HI

PCM

CHASSISF

VEHICLE SPEED SNSRToss

1/1-Page 8A-33A/B

1537353312F GT 150 280

2Ign1 - PCMI (Uh Bec)

15A

POWER DIST

10A8A-Page -

50

PPL/WHT821.

TXL

ENG

&ML6

70.5

0.5 GXL

.1310WHT

507

&EVA

CHASSIS

.439PNK

507

ENG0.5 TXL

33A/B8A-Page -1/1Toss

VEHICLE SPEED SNSR

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500.5 7

&MN8/MT1

ENGTXL

.

.822GRN LT/BLK

500.5 7

&ML6

ENGTXL

k33020a384

009Friday, July 19, 20022

sol_ventSolenoid Asm-Vent

8D 0660A

12052643

001

A

B

PROD CKMC031ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)CK EAU X03 &L18

9:02:41 am

$IVEDWORK/k33020a__009schematic sheet1

8Batt - QS4 (Uh Bec)

15A

POWER DIST

10A8A-Page -

&M74

70.5 50

YEL400.

TXL

ENG

PURGE_FD

822 VSSLO

821 VSSHI

REP_TOSSHI

2640 VENT_SOL

Engine Controls: L18 – 8.1L Gas

K33020a_009_02

D-54PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 3

D

001

12129140

fuel_injFuel Injector #5

6M6 X0036

A

B

E

70.8 50

GRN LT/BLK1745.

TXL

ENGJPR

50

PNK1239.

TXL

J

ENGJPR70.8

ENGJPR70.8 50

YEL/BLK846.

TXL

001X00366M6

Fuel Injector #7fuel_inj

12129140

A

B

SA1039

0.8 50

BLK1744.

TXL

ENGJPR7

001

12129140

fuel_injFuel Injector #3

6M6 X0036

A

B

SA1239

X00366M6

Fuel Injector #2fuel_inj

12129140

001

A

B

0.5 50

YEL/BLK846.

TXL

ENG7

C

RED/BLK500.8 7

ENGJPRTXL

.877

.1039PNK

500.8 7

ENGJPRTXL

ENG70.5 50

GRN LT/BLK1745.

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G

ENGJPR70.8 50

PNK1039.

TXL

10M M/P 150 SLD12045808

RAILK

TXL

.1746PNK/BLK

500.5 7

ENG

EH

X00366M6

Fuel Injector #1fuel_inj

12129140

001

A

B

TXL

ENGJPR70.8 50

PNK1239.

PNK500.5 7

ENGTXL

.1239

0.5 50

PNK1039.

TXL

ENG7

ENG70.5 50

BLK/WHT845.

TXL

D

001

12129140

fuel_injFuel Injector #4

6M6 X0036

A

B

ENGINE10F M/P 150 SLD12065425

K

1039. TXL

ENGJPR70.8 50

PNK

RED/BLK500.5 7

ENGTXL

.877

A

B

001

12129140

fuel_injFuel Injector #6

6M6 X0036

TXL

ENGJPR70.8 50

BLK/WHT845.

TXL

ENG70.5 50

BLK1744.

FINJECTOR

BINJECTOR

J1-77J1-76

GINJECTOR

J1-44J1-4

DINJECTOR

CINJECTOR

J1-43

AINJECTOR

J1-36

EINJECTOR

J1-37

HINJECTOR

J1-3

PCM

B

X00366M6

Fuel Injector #8fuel_inj

12129140

001

A

HG

J

BLU LT/BLK500.8 7

ENGJPRTXL

.844

A

-Page 8A-10A

POWER DIST

15A

INJ1 (Uh Bec)1

F

POWER DIST

10A8A-Page -1INJ2 (Uh Bec)

15A

TXL

.1039PNK

500.8 7

ENGJPR

RAILB

TXL

.1039PNK

500.8 7

ENGJPR

1204580810M M/P 150 SLD

TXL

.1239PNK

500.8 7

ENGJPR

ENGTXL

.844BLU LT/BLK

500.5 7

A1206542510F M/P 150 SLDENGINEBC

TXL

.1239PNK

500.8 7

ENGJPR

BLU DK/WHT500.8 7

ENGJPRTXL

.878

ENGJPR70.8 50

PNK1239.

TXL

sheet1 Friday, July 19, 2002k33020a

384

0093

PROD CKMC031ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)CK EAU X03 &L18

9:02:41 am

$IVEDWORK/k33020a__009schematic

F

TXL

.1746PNK/BLK

500.8 7

ENGJPR

ENGTXL

.878BLU DK/WHT

500.5 7

F_INJ1 F_INJ2

Engine Controls: L18 – 8.1L Gas

K33020a_009_03

D-55PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

VCCVCC VCCVCC

TCS DATA CTRL/

IGN0

SPARK RETARD

PAGE 8A-

MT1 = 4L80E AUTO TRANS

(N.C. = OPEN WHEN DEPRESSED)

20-4

MN8 = 4L80E AUTO TRANS (HD)

MANUAL

TOP OF TRVL

W/ LCT

BOTTOM OF TRVL

RPO LEGEND

POA

ML6 = MANUAL TRANS

30-144-2

Panel Set: 4

PART#

W/ LCTW/ BRKS

CLUTCH SW

W/ BRKS

TOP OF TRVL

M74 = ALLISON LCT AUTO TRANS

44A/B/CEbc/Vses

1-Page 8A-

BRAKES

7

&ML6

ENGTXL

.48GRA

500.35

4EcmB/PcmB (Uh Bec)

20A

POWER DIST

10A8A-Page -

IP16F GT 150 28015326084

B

Start Rly1-Page 8A-30A

STARTING & CHARGINGTcm

2-Page 8A-27A

LCT TRANSMISSION

CK EAU X03 &L18

9:02:41 am

$IVEDWORK/k33020a__009schematic sheet1

k33020a384

009Friday, July 19, 20024

PROD CKMC031ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)

K1533620512F GT 150/280BRKCLTCH

0.35 50

PPL420.

TXL

ENG7

ENGINE16M GT 150 28015326085

B

14Crank Start (Uh Bec)

10A

POWER DIST

10A8A-Page -

ENG

&MN8/MT1

70.5 50

ORN/BLK463.

TXL

-Page 8A-10A

POWER DIST

20A

EcmB/PcmB (Uh Bec)414

Ign0 (Lh Bec)

10A

POWER DIST

10A8A-Page -

STARTING & CHARGING

30A8A-Page -2Alternator

Alternator2-Page 8A-

STARTING & CHARGING

30A

ENGTXL

.440ORN

500.8 7

LCT Transmission

8A-Page -2Tcm

27A

0.5 50

TAN/BLK464.

TXL

ENG

&M74

7

MONF TERM

J2-75J2-59

CRANKTORQ

MANAGED

J2-5 J2-30

VATS CLTCH/NEUT START

J2-18J2-12

MILREQUEST ENGAGE

CRUISE

J2-13

MONL TERM

J2-15J1-75

VIGN 0

J1-57

VBATT B

J1-35

SWITCHCLUTCH

SWITCHBRAKE

TCC

J1-33

VIGN 1

J1-19

BATTERY

VBATT A

J1-20

TORQREQ

J1-13

PCM

BRAKES

44C8A-Page -1Ebc/Vses

TXL

Tcm2-Page 8A-27A

LCT TRANSMISSION

0.35IP

&ML6-JF4

750

GRA48.

1533620912M GT 150/280IPK

12064860

002cltch_sw_topMan Cltch Sw-Top Of Trvl #1

12E 1750A

E

F

464TAN/BLK

500.5 7

&MN8/MT1

ENGTXL

.

Abs/Vses (Uh Bec-420)5/3/1-Page 8A-44A/B/C

BRAKES

&M74

750

BLU DK2466.

TXL0.5ENG

-Page 8A-10A

POWER DIST

15A

Ign1-PcmI (Uh Bec)2

ENG70.35 50

PPL806.

TXL

BRAKES

44A/B/C8A-Page -5/2/2Abs/Vses

TXL

.463ORN/BLK

500.5 7

&M74

ENGTWP

.48GRA

507

&ML6-JF4

BRKCLTCH0.35

TORQ_REQ_TCM

TORQ_MAN_TCM

25 ALT_LTERM

ALT_FTERM23

TORQ_MAN

TORQ_REQ

ENG_CRANK

MIL_REQ

1020 TRNS_PWR1 ENG_BAT2440

ENG_IGN1439CLTCH_NTRL1433

CLTCH_SW441

ENG_BAT1

BRK_SW

Engine Controls: L18 – 8.1L Gas

K33020a_009_04

D-56PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

IGN0IGN0IGN0

IP UPFIT IP BODY INFOJMPR

IP

817 817 817 817 817

817

SA817

MN8 = 4L80E AUTO TRANS (HD)

RPO LEGEND

Panel Set: 5

MT1 = 4L80E AUTO TRANS

M74 = ALLISON LCT AUTO TRANS

AUTO

06 = SUBURBAN/UTILITY

ENGINE16M GT 150 28015326085

D

Cluster1-Page 8A-81A

IP CLUSTER

0.35 TXL

.625YEL/BLK

507

ENG

Elec Brake Mdl1-Page 8A-44A/B/C

BRAKES

50

GRN DK/WHT817.

TXL0.35IP

&SBA

7

43A8A-Page -1Lift/Dive

RTD

1537354712M GT 150 280ENGINEE

.

TXL0.35ENG

750

BRN/WHT419

2ppm Tach Sig-Page 8A-81A

IP CLUSTER

1

SBA Mdl1-Page 8A-44D

SUPPLEMENTAL BRAKE ASSIST

$IVEDWORK/k33020a__009schematic sheet1

k33020a384

0095

PROD CKMC03Friday, July 19, 2002

8A- -Radio Module

1Page 150C

INFOTAINMENT

1ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)CK EAU X03 &L18

9:02:41 am

7

IP0.35 TXL

.817GRN DK/WHT

50

1537353312F GT 150 280CHASSISE

0.35 TXL

.121WHT

507

ENG7

50

YEL/BLK1827.

TXL0.35ENG

J2-49

PPMSECONDARY

PPMPRIMARY

J2-50

INDICATOR LPMALFUNCTION

J2-46

HI IDLELAMP

(REV LOCK SOL)

J2-44

LOW OIL

J2-35J2-38

GAUGEFUEL/OIL

LAMP

J2-10

TACH

RLY (LSD)START SOL

J1-39

LIFT DIVECHG OIL LP

J1-38

PCM

1532608416F GT 150 280IPF

Malf Ind Lp1-Page 8A-81A

IP CLUSTER

IP0.35 TWP

.817GRN DK/WHT

507

GRN DK/WHT50

7

ENG0.35 TXL

.817

IP16F GT 150 28015326084

DENGINEF

50

PNK/WHT1101.

TXL0.35ENG

&MN8/MT1

7

1532608516M GT 150 280

J1-E6 J10-JJ6-D J9-C

STARTING AND CHARGING

308A-Page -1Starter Rly

12194035

Blk Asm - Mbec VSS (4K PPM)mbec_817UPC FNA

12193905

001

12194033

15357030

J1-A10

J1-B9

SBA_4KPPM

ABS_128K1827

IPC_4KPPM

START_RLY625

817 RDIO_4KPPM

LIFT_DIVE1101TACH MALF_LP

Engine Controls: L18 – 8.1L Gas

K33020a_009_05

D-57PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

IGN0 VCCIGN0 IGN0

M

M74

RPO LEGENDMT1 - 4L80E AUTO TRANS

(MT1/MN8 ONLY)

&L18

MN8 - 4L80E AUTO TRANS (HD)

384

0096

PROD CKMC031ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)CK EAU X03 &L18

9:02:41 am

$IVEDWORK/k33020a__009schematic sheet1

k33020aFriday, July 19, 2002 Panel Set: 6

TXL

ENG

&MN8/MT1

70.35 50

PNK1224.

&MN8/MT1

70.35 50

RED/BLK1228.

TXL

ENG

1227. TXL

ENG

&MN8/MT1

70.35 50

YEL/BLK

-Page 8A-10A

POWER DIST

10A

IGN0 (Lh Bec)14

&MN8/MT1

ENGTXL

.1229BLU LT/WHT

500.35 7

ENG

&MN8/MT1

70.35 50

GRA720.

TXL

ENGTXL

.418BRN

500.35 7

&MN8/MT1

J2-8

FMTR1LOW

A

J2-63

HIFMTR1

J2-6

TEMPTRANS

J2-51

SKSHF LPSHF B

J2-47J2-48

SHF A

RELAYTRANS MOD

TCCEN

J2-42 J2-2

CTRLTCC

SKIP SHIFT3-2 SHIFT

J1-79J1-56

VREF RTN F

J1-53

FUEL COMPOSITION

B

J1-17 J1-18

C

SWITCH MANIFOLDTRANS PRESSURE

PCM

ENGTXL

.1226RED

500.35 7

&MN8/MT1

7

&MN8/MT1

ENGTXL

.1222GRN LT

500.35 0.35 50

BLU DK1225.

TXL

ENG

&MN8/MT1

7

PNK500.35 7

&MN8/MT1

ENGTXL

.1020

TXL

ENG

&MN8/MT1

70.35 50

YEL/BLK1223.

S

SOL ENABLE

T

SOL CNTL

U

E

SENSOR

L

SUMP TEMP

M

A

N

PRESSURE SWITCH MANIFOLD

C

P

B

R

SOL PWM

001trans_mn8lctAuto Trans-4L80E-HD

UPC FNA

12160493

SOL SHIFT A

A

SOL SHIFT B

B

FORCE MOTOR 1

C

SOL A

D

LCT TRANSMISSION

27A8A-Page -1Tcm

TRNSPWR3

2467 UNMAN_TORQ

Engine Controls: L18 – 8.1L Gas

K33020a_009_06

D-58PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

+

V-

HI

LO

+

V-

HI

LO

+

V-

HI

LO

+

V-

HI

LO

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 7

(CALIFORNIA ONLY)

(CALIFORNIA ONLY)

1664.

TXL

ENG70.5 50

TAN

70.5 50

GRN LT3212.

TXL

ENG

&NC1

70.5 50

PPL/WHT1668.

TXL

ENG

A

TXL

.539PNK

500.5 7

ENGENGTXL

.1669TAN/WHT

500.5 7

&NC1

0.5 50

PNK1539.

TXL

ENG

&NC1

7

14A8A-Page -17Gnd Zone #4

GND DIST

12146047

FNAUPC

Htd Oxy Snsr(B1S2)l18_02_snsr 001

A

B D

E

A

GND DISTGnd Zone #4

17-Page 8A-14A

16-Page 8A-10A

POWER DIST

15A

IGN1-O2B (Uh Bec)

1667.

TXL

ENG70.5 50

TAN

1670.

TXL

ENG

&NC1

70.5 50

PPL

16IGN1-O2A (Uh Bec)

15A

POWER DIST

10A8A-Page -

TXL

.3113BLK/WHT

500.5 7

ENG

00102_snsr_l18Htd Oxy Snsr (B2S1)

UPC FNA

12092839

A

B D

E

D

E

12092839

FNAUPC

Htd Oxy Snsr (B2S2)02_snsr_l18 001

A

B

D

E

12092839

FNAUPC

Htd Oxy Snsr(B1S1)02_snsr_l18 001

A

B

ENGTXL

.2391BRN

500.5 7

&NC1

ENG70.5 50

TAN1671.

TXL

ENG

&NC1

7 0.5 50

PNK539.

TXL

16IGN1-O2B (Uh Bec)

15A

POWER DIST

10A8A-Page - -Page 8A-10A

POWER DIST

15A

IGN1-O2A (Uh Bec)16

-17Gnd Zone #4

GND DIST

14A8A-Page

schematic sheet1

k33020a384

009Friday, July 19, 20027

PROD CKMC031ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)CK EAU X

0.5 50

PPL1666.

TXL

ENG7

03 &L18

9:02:41 am

$IVEDWORK/k33020a__009

CNTRL HI

J2-74

O2 B HTR O2 A HTR

J2-72

CNTRL HIO2 D HTR

J2-53

CNTRL HIO2 C HTRCNTRL HI

J2-52

5V REF RTN E

J1-80J1-68

O2 C HI

J1-69

O2 A HI

PRE-OXYGEN SENSORHEATED (B1 S1)

HTR GND C

J1-64

DEDICATED

J1-65

O2 D HI O2 B HI

J1-66J1-67

HTR GND DDEDICATED

O2 A LOO2 D LO

POST-OXYGEN SENSORHEATED (B2 S2)

J1-26

O2 B LO

PRE-OXYGEN SENSORHEATED (B2 S1)

HTR GND B

J1-27

DEDICATED

J1-28

O2 C LO

POST-OXYGEN SENSORHEATED (B1 S2)

J1-29

DEDICATED

J1-24

HTR GND A

J1-25

PCM

7

ENGTXL

.1665PPL/WHT

500.5

PNK500.5 7

&NC1

ENGTXL

.1539

.3223RED/WHT

500.5 7

&NC1

ENGTXL

17-Page 8A-14A

GND DISTGnd Zone #4

B

B12146047

DENGINE5M M/P 150 SLD12092839

DO2JPR5F M/P 150 SLD

0.5 50

RED/WHT3223.

&SERIES36&NC1/NC8

O2JPRTXL

.1671TAN

500.5

TXL

O2JPR

&SERIES36&NC1/NC8

7

7

&SERIES36&NC1/NC8

O2JPRTXL

.1539PNK

500.5

7

O2JPRE

1670.

TXL

O2JPR

&SERIES36&NC1/NC8

70.5 50

PPL

120928395M M/P 150 SLDENGINEE

121460475F M/P 150 SLD

O2SENSB_P O2SENSB_P O2SENSA_P O2SENSA_P

(Page 1)

CL_TMP

407

HTR_GNDC451HTR_GNDD451 HTR_GNDB451 HTR_GNDA451

Engine Controls: L18 – 8.1L Gas

K33020a_009_07

D-59PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

IGN0 VCCVCC

N.O. HELD CLOSED AT

Panel Set: 8

NORMAL FLUID LEVEL

A

B

001FNAUPC

Sw Asm - Low Oil Lvloil_lvl_l18

15324478

0.5 50

YEL492.

TXL

ENG7

Etc MdlELEC THROT CNTL

21A8A-Page -1

snsr_knockSensor - Knock (Odd) Lh

15355362

001

1

CASE

0650A6Y 3

BLK/WHT451.

TXL0.8ENG

1950

7

ENGTXL

.472TAN

500.350.35 50

YEL710.

TXL

ENG7

Etc Mdl1-Page 8A-21A

ELEC THROT CNTL

ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)CK EAU X03 &L18

9:02:41 am

$IVEDWORK/k33020a__009schematic sheet1

k33020a384

0098

PROD CKMC031Friday, July 19, 2002

0.8 50

BLU DK496.

PTFE

ENG19

POWER DIST

10A8A-Page -2Pcm I (Uh Bec)

15A

TBC

J3-B1251A-4

RTN GVREF

J2-57 J2-31

MAFIAT

J2-25

DIFF

J1-9

FLATKNOCK 1LVL SWITCH

LOW OIL

J1-70

SERIAL ACLASS 2

J1-58

SERIAL BCLASS 2

J1-59 J1-49

FLAT

RTN 1KNOCK

FLAT

J1-50

KNOCKRTN 2

RESKNOCK

LEFT HAND

J1-51 J1-14

CONTROLTHROTTLE

ETC AETC B

ELECTRONICDEDICATED

J1-15

PCM

J1-10

DIFF

KNOCK 2FLAT

KNOCKRES

J1-11

RIGHT HAND

ENGPTFE

.1876BLU LT

500.8 19

16M GT 150 28015326085

M

A

TEMP

B

GND

C

IGN

D

MAF

E

ENGINE

001MAF Sensor & IATmaf_iat_snsr6M 1 1770A

15305555

LOWREF

GRN DK500.35 7

ENGTXL

.1049

GND DIST451 Mbec

1-Page 8A-14A

IP16F GT 150 28015326084

M

PageCase GndGND DIST

14A8A- -3

Class II - IP Star1-Page 8A-55A

SERIAL DATA LINK

0.8 50

BRN1174.

TXL

ENG19

GND DIST

14A8A-Page -1Gnd Zone #4

Case GndPage 3-8A-14A

GND DIST

50

BLK552.

TXL

ENG70.35

0650A6Y 3snsr_knckSensor - Knock (Even) Rh

15355362

001

1

CASE

507

IP0.35 TXL

.710YEL

774

ETC_A1061

ETC_BMAF_IGN439

451 MAF_GND

CL2_ENG

TBC_ENG

OIL_LVL

KNK_GND1

KNK_GND2

Engine Controls: L18 – 8.1L Gas

K33020a_009_08

D-60PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

VCC

IGN1

(Page 10)

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 9

12M GT 150 28015373547

ENGINED

12F GT 150 28015373533

CHASSISD

ENGJPRTXL

.2129BRN

500.8 7

15A

POWER DIST

10A8A-Page -

.1039PNK

500.8

1INJ1 (Uh Bec)

7

ENGJPRTXL

0.8 50

BRN2129.

TXL

ENGJPR7

C

ENGTXL

.2125GRN DK

500.35 7

F

ENGJPRTXL

.2121PPL

500.8

E

7

CJ

TXL

ENGJPR70.8 50

BLK550.

7

ENGJPRTXL

.2125GRN DK

500.8

E

470.

TXL

ENG70.5 50

BLK

C

J

0.5 GXL

.890GRN DK

507

&EVA

CHASSIS

A

CASE

GRA500.5 7

ENGTXL

.474

ENGINE7F M/P 15012047938

H

2129.

TXL

ENGJPR70.8 50

BRN

G

474.

GXL0.5CHASSIS

&EVA

750

GRA

B

Gnd Zone #52-Page 8A-14A

GND DIST

SA2129

Spark Plugsp_plug6Y 4 0021A

001

A

CASE

0.35 50

RED2127.

TXL

ENG

C

EST

D

IGN

S

SPARKPLUG

7

ENGJPR7

CYL_3

A

GND

B

ESTLOW

0.8 50

BLK550.

TXL

0.35 50

BLU LT

B

2123. TXL

ENG7

Spark Plug CasePage 3-8A-14A

GND DIST

SB1039

IGN7M M/P 15012047933

A

500.8 7

ENGJPRTXL

.550BLK

0.8 50

PNK1039.

TXL

ENGJPR7

CASE

A

FUEL PULL UP

RELAYPUMPFUEL

J2-9

EST F

J2-68

EST H

J2-69J2-73

LEVEL

(SEC)

SEN

FUELFTP

SNSR

J2-64

EST RTN A

J2-60

EST RTN

J2-54

SENLEVELFUEL

J2-26

EST C

J2-27

(SEC)

RELAYPUMPFUEL

J2-3

EST A

J1-5

FTPRESS(SEC)VREF 2 B

FUEL SNSR

J1-46

RTN H

J1-23

VREF PCM

TXL

.2129BRN

500.8 7

ENGJPR

B

EST

C

IGN

D

PLUGSPARK

S

001

CYL_1

Odd Ignition Coilsign_coil_drv12F 4490A

12162144GND

A

LOWEST

EST

C

IGN

D

PLUGSPARK

S

CYL_5

GND

A

LOWEST

B

7M M/P 15012047933

IGNH

BLK500.8

C

7

ENGJPRTXL

.550

A

CASE

ENGINE7F M/P 15012047938

A

22E/G/H 1-Page 8A-

FUEL SNDR/PUMPSec Fuel/Pump

22E/G/H 2-Page 8A-

FUEL SNDR/PUMPSec Fuel Pump Rly

G

Sec Fuel SenderFUEL SNDR/PUMP

8A-Page -222E/G/H

0.8 50

PNK1039.

TXL

ENGJPR7

7

ENGJPRTXL

.2129BRN

500.8

0.8 50

PNK1039.

TXL

ENGJPR7

0.8 50

BLU LT2123.

TXL

ENGJPR7

Prim Fuel/PumpFUEL SNDR/PUMP

8A-Page -122E/G/H

7

ENGJPRTXL

.550BLK

500.8

FUEL SNDR/PUMP

22E/G/H8A-Page -1Fuel Pump Rly

0.35 50

BRN2129.

TXL

ENG7

FUEL SNDR/PUMP

8A-Page -122E/G/H

$IVEDWORK/k33020a__009schematic sheet1

k33020a384 Friday, July 19, 2002

Fuel Tank Sender

0099

PROD CKMC031ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)CK EAU X03 &L18

9:02:41 am

7

ENGJPRTXL

.1039PNK

500.8

F

0.8 50

RED2127.

TXL

ENGJPR7

SC550

1039.

TXL

ENG70.5 50

PNKPPL

500.35 7

ENGTXL

.2121

TXL

ENG70.5 50

GRN DK890.

004FNAUPC

Sensor-Fuel Tank Pressfuel_tank_snsr

12059595LOREF

A B

PRESS

+5V

C

B

ESTLOW

C

EST

D

IGN

S

SPARKPLUG

0.5 50

GRN DK/WHT465.

TXL

CYL_7

A

GND

ENG7

FUEL_VREFR470 470 FUEL_EVA

550 IGNC_GND1

IGN_COIL1

FLVL_SEC1936

FLVL_PRIM1589

1465 SEC_PUMP

PRIM_FRLY

CASE2

Engine Controls: L18 – 8.1L Gas

K33020a_009_09

D-61PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 10

120479337M M/P 150IGNA

7

ENGJPRTXL

.2130BRN/WHT

500.8

0.8 7

ENGJPRTXL

.550BLK

50

UPCcrank_snsr_l18Crank Sensor

A B

HALLEFFECT

CAMSENSOR

C

001

15324165

FNA

F

0.35 50

PNK/BLK632.

TXL

ENG7

A120479387F M/P 150ENGINE

G

SB1239

500.8 7

ENGJPRTXL

.2130BRN/WHT

1239.

TXL

ENGJPR7

G

0.8 50

PNK7

ENGJPRTXL

.1239PNK

500.8

H

.1867GRN LT

500.35 7

ENGTXLH

9:02:41 am

$IVEDWORK/k33020a__009schematic sheet1

k33020a384

009Friday, July 19, 200210

PROD CKMC031ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)CK EAU X03 &L18

0.8 50

BLK550.

TXL

ENGJPR7

E ENGINE7F M/P 15012047938

7M M/P 15012047933

IGNE

GND DIST

14A8A-Page -2Gnd Zone #5

TXL

ENGJPR70.8 50

PNK1239.

50

BLU LT/WHT2126.

TXL

ENGJPR70.8

SA2130

ENG70.35 50

RED/WHT2122.

TXL

-Page 8A-10A

POWER DIST

15A

INJ2 (Uh Bec)1

7

ENGJPRTXL

.1239PNK

500.8

A

CASE

IGN

S

SPARKPLUG12162144

4490A12Fign_coil_drv

Even Ignition Coils

CYL_2

001

A

GND

B

ESTLOW

C

EST

D

YEL/BLK500.35 7

ENGTXL

.1868

J2-66

EST B

J2-67

EST D

J2-61

EST RTN B

EST RTN

J2-39

CAM SUPEST E

J2-28J2-29

EST G

J1-73

CAM POS

J1-61

CAM RTN

J1-21

CRANK RTN

SUP

J1-2

CRANK

J1-16

SPARELSD 2POS 1

J1-12

CRANK

BLK500.8

PCM

7

ENGJPRTXL

.550

TXL

ENGJPR70.8 50

BLK550.

B

7

PNK500.5 7

ENGTXL

.1239

D

PLUGSPARK

S

ENGTXL

.2124GRN DK/WHT

500.35

CYL_8

GND

A

LOWEST

B

EST

C

IGN

001

12129946

FNAUPCcam_snsr_l18Cam Sensor

A B

HALLEFFECT

CAMSENSOR

C

TXL

.2128PPL/WHT

500.8 7

ENGJPR

A

CASE

IGN

D

PLUGSPARK

S

0.8 50

BRN/WHT2130.

TXL

ENGJPR7

CYL_4

GND

A

LOWEST

B

EST

C

TXL

.2124GRN DK/WHT

500.8

CASE

7

ENGJPR

A

7

B

0.8 50

BRN/WHT2130.

TXL

ENGJPR

GND

B

ESTLOW

C

EST

D

IGN

S

SPARKPLUG

CYL_6

A

ENGTXL

.2128PPL/WHT

500.35 7

C

PageSpark Plug Case

ENGJPRTXL

.1239PNK

500.8

GND DIST

14A8A- -3

7TXL

.633BRN/WHT

500.35 7

ENGENGJPR

70.8 50

RED/WHT2122.

TXL

F

.

TXL

ENG70.35 50

BLU DK/WHT1869

0.35 50

BLU LT/WHT2126.

TXL

ENG7

SD550

ENG70.35 50

RED631.

TXL

0.35 50

BRN/WHT2130.

TXL

ENG7

C

0010021A6Y 4

sp_plugSpark Plug

A

CASE

TXL

ENGJPR70.8 50

BRN/WHT2130.

TXL

ENGJPR70.8 50

BLK550.

IGN_COIL2

550 IGNC_GND2CASE3

Engine Controls: L18 – 8.1L Gas

K33020a_009_10

D-62PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

IGN0

V+ V-

IGN0 IGN0IGN0 IGN0IGN0 IGN0

P/N PB CA

PRESS

REF

REFRTN

5V

MT1/MN8ML6/MN8

BTSI 138-1

M74

BKUP LP

020-11

M74

CJ3 = MAN TEMP CONT FRT A/C

NP8 = 2-SPD PUSH BUTTON TRNSF CASENP3 = ALL WHEEL DRIVE TRNSF CASE

PART#

&M74/MN8/MT1

PAGE 8A-

START

MT1/MN8

M74

ECM/PCM

NP2 = 2-SPD MAN SHIFT TRNSF CASENP1 = 2-SPD ELEC SHIFT TRNSF CASE

Panel Set: 11

030-1112-1

CJ2 = AUTO TEMP CONT FRT HVAC

RPO LEGEND

POA NSBU SWITCH

0.5 50

GRA773.

TXL

ENG

&M74

7

Tcm1-Page 8A-27A

LCT TRANSTcm

1-Page 8A-27A

LCT TRANS

CK EAU X03 &L18

9:02:41 am

$IVEDWORK/k33020a__009schematic sheet1

k33020a384

00911

PROD CKMC031ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)

Friday, July 19, 2002

Trec Mdl/Trans Case Sw1-Page 8A-38A/B/C/D

TRNSF CASE CNTRL

7

&M74

ENGTXL

.1694GRA/BLK

500.5

GND DISTGnd Zone #4

1-Page 8A-14A

ENGTXL

.776WHT

500.5 7

&M74

&CJ2/CJ3

ENGTXL

.380RED/BLK

500.35 7

TXL

.1694GRA/BLK

500.5 7

&ML6/MN8

ENG

0.5 50

GRA/BLK1694.

TXL

ENG

&M74

7

A/C Enable RlyHVAC

64A8A-Page -1

RTN I

J2-80

VREFPRNDL C

J2-62

SWITCHA/C PRESS

J2-55

A/C CLUTCH

J2-43 J2-33

FAN 2CTRL RLY

J2-14

SENSORA/C PRESS

SWITCH(4WD HI-LOW)

TRANSFER CASE

J2-16

SEC HI A/CPRESS SWITCH

J2-11

PRNDL B

J1-72

SUPPLYVREF 2 A

J1-45J1-34

PRNDL A

J1-32

PRNDL P

PCM

J1-B J1-CJ1-DJ2-A

J2-D

J2-J1-

001

1212984015324591

9115A7A

NSBU-Sw Asmnsbu_switch_l18

J1-A

ENG

&MN8/MT1

70.5 50

WHT776.

TXL 0.35 50

GRA2700.

TXL

ENG

&CJ2/CJ3

7

8A-Page -1Tcm

LCT TRANS

27A

TXL

.772YEL

500.5 7

&M74

ENG

BLK/WHT771.

TXL

ENG

&M74

70.5 50

SA1694

TXL

ENG

&M74

70.5 50

ORN/BLK1786.

459GRN DK/WHT

500.35 7

ENGTXL

.

7

&M74

ENGTXL

.1694GRA/BLK

500.5

LCT TRANS

27A8A-Page -1Tcm

Tcm1-Page 8A-27A

LCT/4L80E TRANSMISSION

UPC FNA002

Sensor-A/C Pressure

15344137

1

2

3

TP_IN

TP_REFacpres_snsr

&MN8/MT1

70.5 50

YEL772.

TXL

ENG ENGTXL

.2751BLK

500.35 7

&CJ2/CJ3

7

&MN8/MT1

ENGTXL

.773GRA

500.5

&MN8/MT1

ENGTXL

.771BLK/WHT

500.5 7

TRNS_CASE

4WD_LO

AC_CLTCH

(Page 11)PN_SW1786

TCM_A TCM_B TCM_C TCM_P

(Page 11) PN_SW

451 NSBU_GND

Engine Controls: L18 – 8.1L Gas

K33020a_009_11

D-63PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

IGN0IGN0

RPO LEGEND

Panel Set: 12

M74 = ALLISON LCT AUTO TRANSML6 = MANUAL TRANSMISSIONS

NP2 = 2-SPD MAN SHIFT TRNSF CASEPTO = POWER TAKE OFF

M74

N.O. HOLD CLOSED ATNORMAL FLUID LEVEL

1695BLK/WHT

500.5 7

&NP2

ENGTXL

.

50

GRN LT1478.

TXL0.35ENG

7

1-Page 8A-14A

GND DISTGnd Zone #4

0.8

&PTO&M74/ML6

7

ENGTXL

.2562PPL

50

1-Page 8A-23A

PTO PROVPto Enable

1Pto Rly

PTO PROV

23A8A-Page -

Friday, July 19, 200212

PROD CKMC031ENGINE CONTROLS (L18 & M74/MN8/MT1/ML6)CK EAU X03 &L18

9:02:41 am

$IVEDWORK/k33020a__009schematic sheet1

k33020a384

009

GND DIST

14A8A-Page -1Gnd Zone #4

TXL

ENG7

&PTO&M74/ML6

0.8 50

YEL2522.

LOW

J2-78

HI

J2-79

CONTROL BIDLE AIR

HI

J2-76 J2-77

LOW

CONTROL AIDLE AIR

D

J2-40J2-19

SWITCH2 SPD AXLE

C

J2-1

GNDENGAGE

PTO

J1-78

PTO ENGKILL

J1-71 J1-52

FEEDBACKPTO

MDL

B

J1-40

COOLANTSWITCH

LOW

J1-30J1-22

SWITCHENABLE

PTO

A

J1-1

J2-J1-

FNA

1219148912191488

005Pcm Moduleeau_pcmUPC PCM

001

15324243 FNAUPClcool_swLow Coolant Sw - L18/LB7

A

B

GND DIST

14A8A-Page -1Gnd Zone #4

-1Frt Axle Sw

TRNSF CASE CNTRL

38B8A-PageTXL

.494BLU LT

507

&M74&PTO

ENG0.8

.

TXL

ENG

&PTO&M74/ML6

70.8 50

GRN LT488

14A8A-Page -2Gnd Zone #5

GND DIST

23A8A-Page -1Pto Conn

PTO PROV

1-Page 8A-23A

PTO PROVPto Conn

GND DIST

14A8A-Page -1Gnd Zone #4

451 VGND_A

VGND_B451 VGND_D451

VGND_C451

PTO_FDBKFRT_AXLE

PTO_ENGAGE LCOOL_GND1550PTO_ENG_DIS

PTO_ENABLE

Engine Controls: L18 – 8.1L Gas

K33020a_009_12

D-64PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

PCM (GEN 3)

IGNV+

VCC

Panel Set: 1

UNLEADED

TAN/WHT500.8 7

ENGTXL

.332

50

GRA2705.

TXL

ENG70.87

50

YEL410.

TXL0.5ENG

schematic sheet1

k33020b441

010Friday, July 19, 20021

PROD CKMC031ENGINE CONTROLS - GEN 3 (LD/HD/E85)CK EAU X03 &L59/LM7/LQ4/LQ9/LR4

11:22:50 am

$IVEDWORK/k33020b__010

001

A

REFLOW

B

MAP

C

5VREF

12129946

Sensor - Mapmap_snsr12F 5000A

0.8 50

ORN/BLK469.

TXL

ENG7

ENG70.8 50

BLK2755.

TXLTXL

.432GRN LT

500.8 7

ENG

BLK50

7

ENG0.5 TXL

.407

A

TEMP

B

005

4000A12F

Sensor Asm-Cool Temp(Gen3/LU3)

15359366

cool_tempREFLOW

TXL

ENG70.8 50

GRA597.

LEGR1 HI

J2-7J2-58

PRESSENGINE OIL

LEGR1 LO

J2-41

MAP

J2-32

TPS

J2-24

VREF 1 D

J1-8

ECL TEMP

J1-74

VREF 1 C

J1-7

VREF RTN D

J1-60

VREF RTN C

J1-63J1-54

VREF RTN B

LEGR1 POS

J1-55

VREF 1 A

J1-47

VREF 1 B

J1-48

VREF RTN A

J1-41

15344137

003Sen - Oil Presssnsr_oil_press

UPCFNA

1

REFLOW

2

5VREF

3

OILPRESS

SEND_RTN(Page 7)

Engine Controls: GEN 3 PCM

K33020b_010_01

D-65PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

PCM (GEN 3)

LD/HD

MT1 = 4L80E AUTO TRANSNM2 = EMISSION SYS EXPORT, LEADED FUEL

L59 L59LD/HD

RPO LEGEND

Panel Set: 2

PROD2 Friday, July 19, 2002

010441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403 XCK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03a

ENGINE12M GT 150 28015373547

F

15411634

fuel_inj6M6 X0036

Fuel Inj #1

A

B

001

B

X00366M6fuel_inj

15305086

001Fuel Inj #1

A

-Page 8A-10A

POWER DIST

15A

INJ1 (Uh Bec)1

ENG0.5 TXL

.1231BLU DK/WHT

507

&MT1

trans_speed_senUPC FNA

15359366

003

A

HI

TISS

LO

B

1310.

GXL0.5

Trans Input Speed Snsr

CHASSIS

&EVA

750

WHT

001

120526430660A8D

Solenoid Asm-Ventsol_vent

A

B

F CHASSIS12F GT 150 28015373533

1INJ1 (Uh Bec)

15A

POWER DIST

10A8A-Page --Page 8A-10A

POWER DIST

15A

Batt - QS4 (Uh Bec)8 -Page 8A-10A

POWER DIST

15A

INJ1 (Uh Bec)11

INJ1 (Uh Bec)POWER DIST

10A8A-Page -

15A

VEHICLE SPEED SNSR

338A-Page -1Toss

7

ENGTXL

.428GRN DK/WHT

500.5

8A-10A

POWER DISTPcm I (Uh Bec)

2

VEHICLE SPEED SNSRToss

1-Page 8A- 33

15A

-Page

0.5 50

PNK/BLK1746.

GXL

X00366M6fuel_inj

15411634

001Fuel Inj #3

A

B

ENG

=&LM7/LR4/LQ4/LQ9

19

500.5 19

=&L59

ENGGXL

.1746PNK/BLK

50

PNK439.

TXL0.5ENG

7

50

RED/BLK1230.

TXL0.5ENG

&MT1

7

0.5 50

BLK1744.

GXL

ENG

=&L59

19

001

15305086

fuel_injFuel Inj #3

6M6 X0036

A

B

J2-45

FUEL TANKVENT SOLENOID SOLENOID

RELAY

J2-36

AIR PUMPRELAY

J2-4

AIR

J2-34

CANISTER PURGESOLENOID

HI

TOSS

J2-22

HI

TISS

J2-23

LOW

J2-20

LOW

J2-21 J1-36

INJECTORA H

J1-3

INJECTOR

001

121240370660A8D

Valve Asm-Cnstr Purgecanister_purge

A

B

500.5 19

=&LM7/LR4/LQ4/LQ9

ENG

ENG70.5 50

WHT1310.

GXL

.1744BLK

TXL

PNK500.5 19

=&LM7/LR4/LQ4/LQ9

ENGGXL

.1039

822 VSSLO 821 VSSHI

PURGE_FD F_INJ1L59_INJ11039 F_INJ31039L59_INJ310392640 VENT_SOL

Engine Controls: GEN 3 PCM

K33020b_010_02

D-66PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

PCM (GEN 3)

L59L59 LD/HDLD/HDL59 LD/HD L59 LD/HDL59 LD/HDL59LD/HD

Panel Set: 3

-Page 8A-10A

POWER DIST

15A

INJ1 (Uh Bec)1 1

INJ2 (Uh Bec)

15A

POWER DIST

10A8A-Page -

19

=&LM7/LR4/LQ4/LQ9

ENGGXL

.1239PNK

500.5

X00366M6

Fuel Inj #2fuel_inj

15305086

001

A

B

001

15411634

fuel_injFuel Inj #8

6M6 X0036

A

B

8A-10A

POWER DIST

15A

INJ2 (Uh Bec)1-Page

ENG

=&LM7/LR4/LQ4/LQ9

190.5 50

YEL/BLK846.

GXL

845.

GXL

001

15411634

fuel_injFuel Inj #7

6M6 X0036

A

B

ENG

=&LM7/LR4/LQ4/LQ9

190.5 50

BLK/WHT

1INJ2 (Uh Bec)

15A

POWER DIST

10A8A-Page -

X00366M6

Fuel Inj #7fuel_inj

15305086

001

A

B

B

X00366M6

Fuel Inj #6fuel_inj

15411634

001

A

845BLK/WHT

500.5 19

=&L59

ENGGXL

.

8A-Page -1INJ2 (Uh Bec)

15A

POWER DIST

10A 1INJ2 (Uh Bec)

15A

POWER DIST

10A8A-Page -

X00366M6

Fuel Inj #8fuel_inj

15305086

001

A

B

GXL

ENG

=&L59

190.5 50

BLU DK/WHT878.

B

GXL

.1745GRN LT/BLK

500.5 19

=&LM7/LR4/LQ4/LQ9

ENG

001

15305086

fuel_injFuel Inj #4

6M6 X0036

A

-Page 8A-10A

POWER DIST

15A

INJ1 (Uh Bec)1

15A

INJ2 (Uh Bec)1-Page 8A-10A

POWER DIST

GXL

.846YEL/BLK

500.5 19

=&L59

ENG

A

B

001

15305086

fuel_injFuel Inj #5

6M6 X0036

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03PROD

3

010441

k33020bFriday, July 19, 2002sheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403 XCK EAU

BLU LT/BLK500.5 19

=&L59

ENGGXL

.844

001

15305086

fuel_injFuel Inj #6

6M6 X0036

A

B

-Page 8A-10A

POWER DIST

15A

INJ2 (Uh Bec)11

INJ1 (Uh Bec)

15A

POWER DIST

10A8A-Page -

ENG

=&L59

190.5 50

GRN LT/BLK1745.

GXL

GXL

.878BLU DK/WHT

500.5 19

=&LM7/LR4/LQ4/LQ9

ENG

Page -1INJ1 (Uh Bec)

15A

POWER DIST

10A8A-

X00366M6

Fuel Inj #4fuel_inj

15411634

001

A

B

ENG

=&L59

190.5 50

RED/BLK877.

GXL

19

=&LM7/LR4/LQ4/LQ9

ENG

0.5 50

PNK1039.

GXL

GXL

.877RED/BLK

500.5

ENG

=&LM7/LR4/LQ4/LQ9

19

ENG

=&LM7/LR4/LQ4/LQ9

190.5 50

BLU LT/BLK844.

GXL

ENG

=&LM7/LR4/LQ4/LQ9

190.5 50

PNK1239.

GXL

F

J1-77

INJECTORB

J1-76

INJECTOR INJECTORG

J1-4

INJECTORD

J1-43

INJECTORC

J1-44 J1-37

INJECTORE

-Page 8A-10A

POWER DIST

15A

INJ2 (Uh Bec)1

X00366M6fuel_inj

15411634

001Fuel Inj #5

A

B

001

15411634

fuel_injFuel Inj #2

6M6 X0036

A

B

F_INJ5 F_INJ2 F_INJ6L59_INJ71039 L59_INJ21239 F_INJ41239L59_INJ41239 L59_INJ61239 F_INJ81239L59_INJ81239L59_INJ51039 F_INJ71039

Engine Controls: GEN 3 PCM

K33020b_010_03

D-67PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

PCM (GEN 3)TCS DATA CTRL/SPARK RETARD

VCCVCC VCCVCC IGN0

NW7 = TRACTION CONTROL

DRLK

START

130-1

PCM/ECM

PART#

MG5/MW3 = 5 SPEED MANUAL TRANS

044-1ASB/VSES020-4

Panel Set: 4

RPO LEGEND

POA CLUTCH SW

030-1PAGE 8A-

PPL500.35 7

ENG

4Ecm/Pcm (Uh Bec)

20A

POWER DIST

10A8A-Page -

TXL

.806

Man Cltch Sw-Top Of Trvl #1

12E 1750A

E

F12064860

002cltch_sw_top

BRKCLTCHK

-Page 8A-10A

POWER DIST

20A

Ecm/Pcm (Uh Bec)4

1533620512F GT 150/280

500.35

ENG70.35 50

PPL420.

TXL

7

&MG5/MW3

ENGTXL

.48GRA

70.35 50

ORN/BLK463.

TXL

ENG

&NW7

010441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403 XCK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03PROD

4 Friday, July 19, 2002

STARTING & CHARGING

30A8A-Page -2Alternator

-Page 8A-10A

POWER DIST

15A

Ign1-PcmI (Uh Bec)2

Manual Clutch1-Page 8A- 30

STARTING & CHARGING STARTING & CHARGING

30A8A-Page -2Alternator

15326084

B IP16F GT 150 280

BRAKES

44A/B/C8A-Page -5/2/2Abs/Vses

Abs/Vses (Uh Bec 420)5/3/1-Page 8A-44A/B/C

BRAKES

Page -14Crank Start (Uh Bec)

10A

POWER DIST

10A8A-

7

ENGTXL

.440ORN

500.8

Abs Module1-Page 8A-44A/B/C

BRAKES

1Abs Module

BRAKES

44A/B8A-Page - 14Ign0 (Lh Bec)

10A

POWER DIST

10A8A-Page -

0.35IP

&MG5/MW3-JF4

750

GRA48.

TXL

16M GT 150 28015326085

B

7

&NW7

ENGTXL

.464TAN/BLK

500.35

ENGINE

1533620912M GT 150/280IPK

GRA50

7

&MG5/MW3-JF4

BRKCLTCH0.35 TWP

.48

J2-75

F TERMMON

CRANK

J2-59J2-5

DELTORQ

J2-30

VATS

J2-18

CLTCH/NEUT START

J2-12

MILREQUEST

J2-13

CRUISEENGAGE

J2-15

L TERMMON

J1-75

VIGN 0

J1-57

VBATT B

J1-35

CLUTCHSWITCH

J1-33

TCCBRAKESWITCH

J1-19

VIGN 1

J1-20

VBATT A

BATTERY

J1-13

REQTORQ

ENG_CRANK

1433 CLTCH_NTRL

441 CLTCH_SW 1020 TRNS_PWR1

ENG_BAT1ENG_IGN1439BRK_SW

TORQ_DEL

TORQ_REQ

23 ALT_FTERM

25 ALT_LTERM

ENG_BAT2440

Engine Controls: GEN 3 PCM

K33020b_010_04

D-68PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

IP UPFIT IP BODY INFOJMPR

IP

817 817 817 817 817

817

SA817

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

IGN0 IGN0IGN0

Panel Set: 5

1532608416F GT 150 280IPF

750

YEL/BLK1827.

TXL0.8ENGENG

0.35 TXL

.817GRN DK/WHT

5070.35 TXL

.121WHT

507

ENG

REAR PARKING AID

70A8A-Page -1RPA Module

TWP

.817GRN DK/WHT

507

IP0.35

ENG0.5 TXL

.625YEL/BLK

507

50

GRN DK/WHT817.

TXL0.35IP

&NYS

7

ENG

QS4 Module3-Page 8A-45A

FOUR WHEEL STRG

750

BRN/WHT419.

TXL0.35

IP16F GT 150 28015326084

D

J6-D J9-C

1219403515357030

Blk Asm - Mbec VSS (4K PPM)mbec_817UPC FNA

12193905

001

12194033

J1-A10

J1-B9

J1-E6 J10-J

SUPPLEMENTAL BRAKE ASSIST

44D8A-Page -1SBA Mdl

IP CLUSTER

81A8A-Page -14kppm Signal

TWP

.817GRN DK/WHT

507

=&Z75

BODY0.35

TXL

.817GRN DK/WHT

507

IP0.35

RTD

43A8A-Page -1Lift/Drive

0.35ENG

&06

750

PNK/WHT1101.

TXL

81A

IP CLUSTERMalf Ind Lp

1-Page 8A-Elec Brake Mdl

1-Page 8A-44A/B/C

ABS/TRAC CTRL

ENGINE16M GT 150 28015326085

D

IP

&SBA

750

GRN DK/WHT817.

TXL0.35

2ppm Tach Sig-Page 8A-81A

IP CLUSTER

1

1Friday, July 19, 2002

CKMC03PROD5

010441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403 XCK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)

STARTING AND CHARGING

30A8A-Page -1Starter Rly

SECONDARYPPM

J2-50

PRIMARY PPM

J2-44 J2-46

MALFUNCTIONINDICATOR LP

J2-49

(REV LOCK SOL)LAMP

HI IDLE LOW OILLAMP

FUEL/OILGAUGE

J2-38 J2-35J2-10

TACH

J1-38

CHG OIL LPLIFT DIVE

J1-39

START SOLRLY (LSD)

E1537354712M GT 150 280ENGINE

1537353312F GT 150 280CHASSISE

1532608516M GT 150 280ENGINEF

Radio Module1-Page 8A-150C

INFOTAINMENT-RADIO

SBA_4KPPMRDIO_4KPPM817 817 IPC_4KPPM RPA_4KPPM

START_RLY

QS4_4KPPM817

1101 1827 ABS_128KMALF_LPTACH LIFT_DIVE

Engine Controls: GEN 3 PCM

K33020b_010_05

D-69PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

M

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

IGN0 VCC

PCM (GEN 3)

IGN0IGN0

RPO LEGEND

M30/M32

M30 = 4-SPD AUTO TRANS, 4L60E, ELECTRONIC

MT1

MT1

M32 = 4-SPD AUTO TRANS, 4L60E-HD, ELECTRONIC

Panel Set: 6

M30/M32

MT1 = 4-SPD AUTO TRANS (4L80E)

&MT1

70.35 50

BRN418.

TXL

ENG

P

B

R

SOL CNTL

S

SOL ENABLE

T

SOL PWM

U

FORCE MOTOR 1

C

SOL A

D

E

SUMP TEMP

L

SENSOR

M

A

N

PRESSURE SWITCH MANIFOLD

C

FNAUPC

Auto Trans-4L80E/4L60Eeau_auto_trans 001

12160493

SOL SHIFT A

A

SOL SHIFT B

B

687.

TXL

ENG

&M30/M32

70.35 50

WHT

TXL

.1020PNK

500.35 7

&M30/M32/MT1

ENG

ENGTXL

.1229BLU LT/WHT

500.35 7

&M30/M32/MT1

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403 XCK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03PROD

6

010441 Friday, July 19, 2002

.1226RED

500.35 7

&M30/M32/MT1

ENGTXL

&M30/M32/MT1

70.35 50

BLU DK1225.

TXL

ENGENGTXL

.1222GRN LT

500.35 7

&M30/M32/MT1

ENGTXL

.418BRN

500.35 7

&M30/M32

0.35 50

RED/BLK1228.

TXL

ENG

&M30/M32/MT1

7

ENGTXL

.422TAN/BLK

500.35 7

&M30/M32

J2-8

FMTR1LOW

J2-63

A

J2-6

FMTR1HI

J2-51

TRANSTEMP

J2-47

SHIFT BSKSHF LP

J2-48

SHIFT A

J2-42

TCCENTRANS MOD

RELAY

J2-2

TCCCTRL

J1-79

3-2 SHIFTSKIP SHIFT

J1-53

VREF RTN F

J1-17

B

TRANS PRESSURESWITCH MANIFOLD

J1-18

C

ENG0.35 TXL

.720GRA

507

&M30/M32/MT1

-Page 8A-10A

POWER DIST

10A

IGN0 (Lh Bec)14

TXL

ENG

&M30/M32/MT1

70.35 50

YEL/BLK1223. &M30/M32/MT1

70.35 50

PNK1224.

TXL

ENG

YEL/BLK1227.

TXL

ENG

&M30/M32/MT1

70.35 50

TRNSPWR3

(Page 6)MT1_TRNS418

(Page 6) MT1_TRNS

Engine Controls: GEN 3 PCM

K33020b_010_06

D-70PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

PCM (GEN 3)

Panel Set: 7

14A8A-Page -17Gnd Zone #4

GND DIST

7 Friday, July 19, 2002010

441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403 XCK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03PROD

J1-80

RTN E5V REF

J1-68 J1-64

DEDICATEDHEATERGND CCNTRL HI

J1-65

O2 D HTRCNTRL HIO2 B HTR

J1-66

GND DHEATER

DEDICATED

J1-67

CNTRL HIO2 C HTR

PRE-OXYGEN SENSORHEATED (B2 S1)

CNTRL LO

J1-28

O2 C HTR

POST-OXYGEN SENSORHEATED (B1 S2)

CNTRL LO

HEATED (B2 S2)POST-OXYGEN SENSOR

O2 D HTR

J1-25

CNTRL LO

J1-26

O2 B HTR

GND DISTGnd Zone #4

17-Page 8A-14A

451 HTR_GNDC451

407(Page 1)

SEND_RTN

HTR_GNDD

PRE_1666

1666 1667

PRE_B2S1

(Page 9/10/11) (Page 9/10/11)

POST_B1S2

1669 1668

POST_1668

(Page 9/10/11)1670

POST_1670

(Page 9/10/11) (Page 9/10/11)(Page 9/10/11)

POST_B2S2

1671

Engine Controls: GEN 3 PCM

K33020b_010_07

D-71PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

PCM (GEN 3)

Panel Set: 8

14A8A-Page -17Gnd Zone #4

GND DIST

17-Page 8A-14A

GND DISTGnd Zone #4

&L59/LM7/LQ4/LQ9/LR403 XCK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)

Friday, July 19, 20021 CKMC03PROD

8

010441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

O2 B HTR LOO2 A HTRCNTRL LO

J2-72J2-74J2-52 J2-53

O2 D HTR LOO2 C HTR

CNTRL LO CNTRL HI

HEATED (B1 S1)PRE-OXYGEN SENSOR

O2 A HTR

J1-69

GND BHEATER

DEDICATED

J1-27

CNTRL LO

J1-29

O2 A HTR

J1-24

DEDICATEDHEATERGND A

3113

(Page 9/10/11)

POST_2391

2391

(Page 9/10/11)

POST_3223

3223 3212

PRE_3212

(Page 9/10/11) (Page 9/10/11)

PRE_B1S1

1664 1665

PRE_1665

(Page 9/10/11) (Page 9/10/11)

PRE_3113

HTR_GNDB451 HTR_GNDA451

Engine Controls: GEN 3 PCM

K33020b_010_08

D-72PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

+

V-

HI

LO

+

V-

HI

LO

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

+

V-

HI

LO

+

V-

HI

LO

Panel Set: 9

16IGN1 - O2 B (Uh Bec)

15A

POWER DIST

10A8A-Page -

OXY SENSORS FOR GEN3, L59/LM7

0.5 7

=&L59/LM7

ENGTXL

.1668PPL/WHT

50 0.5 7

=&L59/LM7

ENGTXL

.1665PPL/WHT

500.5 7

=&L59/LM7

ENGTXL

.539PNK

50

B

C

D

00102_sensorHtd Oxy Snsr - LTPRE (B1S1)

UPC FNA

12176897

A

PNK500.5 7

=&L59/LM7

ENGTXL

.1539

50

TAN1664.

TXL

ENG

=&L59/LM7

70.5

0.5 50

PPL1666.

TXL

ENG

=&L59/LM7

7

ENG

=&L59/LM7

70.5 50

PNK539.

TXL

ENG

=&L59/LM7

70.5 50

RED/WHT3223.

TXL

50

PPL1670.

TXL

ENG

=&L59/LM7

70.5 70.5 50

PNK1539.

TXL

ENG

=&L59/LM7

0.5 7

=&L59/LM7

ENGTXL

.1667TAN

50

12176897

FNAUPC

Htd Oxy Snsr - RTPRE (B2S1)02_sensor 001

A

B

C

D

8A-10A

POWER DIST

15A

IGN1 - O2 A (Uh Bec)16-Page

.

TXL

ENG

=&L59/LM7

70.5 50

TAN/WHT1669

0.5 7

=&L59/LM7

ENGTXL

.3113BLK/WHT

507

=&L59/LM7

ENGTXL

.1671TAN

500.5

2391BRN

50

A

B

C

D

0.5 7

=&L59/LM7

ENGTXL

.

00102_sensorHtd Oxy Snsr - LTPOST (B1S2)

UPC FNA

12176897

XCK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03PROD

9

010Friday, July 19, 2002441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403

16IGN1 - O2 A (Uh Bec)

15A

POWER DIST

10A8A-Page -

15A

IGN1 - O2 B (Uh Bec)16-Page 8A-10A

POWER DIST

001

A

B

C

D

12176897

FNAUPC

Htd Oxy Snsr - RTPOST (B2S2)02_sensor

GRN LT3212.

TXL

ENG

=&L59/LM7

70.5 50

O2SENSA_P O2SENSA_P

POST_1670

(Page 7)

O2SENSB_P

(Page 8)

POST_3223POST_B2S2

(Page 7)

(Page 7)

POST_1668

(Page 7)

POST_B1S2 POST_2391

(Page 8)

PRE_1666

(Page 7)

PRE_B2S1

(Page 7) (Page 8)

PRE_3212

(Page 8)

PRE_1665

(Page 8)

PRE_B1S1 PRE_3113

(Page 8)

O2SENSB_P

Engine Controls: GEN 3 PCM

K33020b_010_09

D-73PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

+

V-

HI

LO

+

V-

HI

LO

+

V-

HI

LO

+

V-

HI

LO

OXY SENSORS FOR GEN3 LD, LR4

Panel Set: 10

XCK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03PROD

10 Friday, July 19, 2002010

441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403

IGN1 - O2 B (Uh Bec)

15A

POWER DIST

10A8A-Page -16

500.5 7

=&LR4

ENGTXL

.1667TAN

1539.

TXL

ENG

=&LR4

70.5

0.5 7

=&LR4

ENGTXL

.3113BLK/WHT

50

50

PNK1665

PPL/WHT50

TXL

ENG

=&LR4

70.50.5 7

=&LR4

ENGTXL

.

50

PNK539.

15326423

FNAUPC

Htd Oxy Snsr - RTPRE (B2S1)02_sens 001

A

B

C

D

POWER DIST

10A8A-Page -16IGN1 - O2 A (Uh Bec)

15A

3223.

TXL

ENG

=&LR4

70.50.5 7

=&LR4

ENGTXL

.1671TAN

50 50

RED/WHT

0.5 7

=&LR4

ENGTXL

.1539PNK

50

D

15326423

FNAUPC

Htd Oxy Snsr - RTPOST (B2S2)02_sens 001

A

B

C

-Page 8A-10A

POWER DIST

15A

IGN1 - O2 A (Uh Bec)16

00102_sensHtd Oxy Snsr - LTPRE (B1S1)

UPC FNA

15326423

A

B

C

D

50

PPL1666.

TXL

ENG

=&LR4

70.5

.

TXL

ENG

=&LR4

70.5 50

TAN1664

A

B

C

D

00102_sensHtd Oxy Snsr - LTPOST (B1S2)

UPC FNA

15326423

-Page 8A-10A

POWER DIST

15A

IGN1 - O2 B (Uh Bec)16

0.5 7

=&LR4

ENGTXL

.1668PPL/WHT

5050

PPL1670.

TXL

ENG

=&LR4

70.5

ENG

=&LR4

70.5 50

GRN LT3212.

TXL

0.5 7

=&LR4

ENGTXL

.539PNK

50

ENG

=&LR4

70.5 50

TAN/WHT1669.

TXL TXL

.2391BRN

500.5 7

=&LR4

ENG

O2SENSA_P

PRE_1666

(Page 7)

PRE_B2S1

(Page 7) (Page 8)

PRE_3212

O2SENSA_P

(Page 8)

PRE_1665

(Page 8)

PRE_B1S1 PRE_3113

(Page 8)

O2SENSB_P

POST_1670

(Page 7)

POST_B2S2

(Page 7) (Page 8)

POST_3223

O2SENSB_P

(Page 7)

POST_1668

(Page 7)

POST_B1S2 POST_2391

(Page 8)

Engine Controls: GEN 3 PCM

K33020b_010_10

D-74PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

+

V-

HI

LO

+

V-

HI

LO

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

+

V-

HI

LO

+

V-

HI

LO

OXY SENSORS FOR GEN3 HD, LQ4/LQ9

Panel Set: 11

TXL

.1669TAN/WHT

500.5 7

=&LQ4/LQ9

ENG

D

15326423

FNAUPC

Htd Oxy Snsr - LTPOST (B1S2)02_sens 001

A

B

C

=&SERIES36&LQ4&NC1/NC8/NF2

O2JPRTXL

.3223RED/WHT

500.5 7O2JPR

=&SERIES36&LQ4&NC1/NC8/NF2

70.5 50

TAN1671.

TXL

50

BRN2391.

TXL

ENG

=&LQ4/LQ9

70.5

FNA

15326423

A

B

C

D

00102_sensHtd Oxy Snsr - RTPOST (B2S2)

UPC

A

7

=&LQ4/LQ9

ENGTXL

.1666PPL

500.5

16IGN1 - O2 A (Uh Bec)

15A

POWER DIST

10A8A-Page -

A

B-Page 8A-10A

POWER DIST

15A

IGN1 - O2 A (Uh Bec)16

50

PNK539.

TXL

ENG

=&LQ4/LQ9

70.5

.3212GRN LT

500.5 7

=&LQ4/LQ9

ENGTXL

1670.

TXL

ENG

=&LQ4/LQ9

70.5 50

PPL

15A

POWER DIST

10A8A-Page -16IGN1 - O2 B (Uh Bec)

D

E

12092839

FNAUPC

Htd Oxy Snsr - LTPRE (B1S1)02_snsr 002

A

B

1670PPL

500.5

3223.

TXL

ENG

=&LQ4/LQ9

70.5

7

=&SERIES36&LQ4&NC1/NC8/NF2

O2JPRTXL

.

B

50

RED/WHT

4M M/P 150 SLD15326423

ENGINEC

O2JPR

121768974F M/P 150 SLD

D

4F M/P 150 SLD12176897

O2JPRC

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03PROD

11

010441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403 XCK EAU

Friday, July 19, 2002

50

PPL/WHT1665.

TXL

ENG

=&LQ4/LQ9

70.5

1667.

TXL

ENG

=&LQ4/LQ9

70.5 50

TAN

0.5 7

=&LQ4/LQ9

ENGTXL

.1539PNK

50

0.5 7

=&LQ4/LQ9

ENGTXL

.1664TAN

50

TXL

ENG

=&LQ4/LQ9

70.5 50

BLK/WHT3113.

0.5 7

=&LQ4/LQ9

ENGTXL

.1671TAN

0.5 7

=&LQ4/LQ9

ENGTXL

.1539PNK

50

50

D ENGINE

153264234M M/P 150 SLD

-Page 8A-10A

POWER DIST

15A

IGN1 - O2 B (Uh Bec)16

1539.

TXL

O2JPR

=&SERIES36&LQ4&NC1/NC8/NF2

70.5 50

PNK0.5 7

=&LQ4/LQ9

ENGTXL

.539PNK

50

=&LQ4/LQ9

70.5 50

PPL/WHT1668.

TXL

ENG

B D

E

00202_snsrHtd Oxy Snsr - RTPRE (B2S1)

UPC FNA

12092839

A

(Page 7)

POST_B2S2 POST_3223

(Page 8)

(Page 7)

POST_1670

O2SENSA_P

PRE_1665

(Page 8)

PRE_B1S1

(Page 8) (Page 8)

PRE_3113

(Page 7)

POST_B1S2

(Page 7) (Page 8)

POST_2391

O2SENSA_P

(Page 7)

PRE_1666

(Page 7)

PRE_B2S1 PRE_3212

(Page 8)

O2SENSB_P

O2SENSB_P

POST_1668

Engine Controls: GEN 3 PCM

K33020b_010_11

D-75PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

IGN0 VCCVCC

PCM (GEN 3)

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 12

NORMAL FLUID LEVELN.O. HELD CLOSED AT

1532608416F GT 150 280IPM

-Page 8A-10A

POWER DIST

15A

Pcm I (Uh Bec)2

14A8A-Page -1451 MbecGND DIST

Gnd Zone #41-Page 8A-14A

GND DIST

0.5 50

TAN472.

TXL

ENG7

TEMP

C

GND

D

IGN

E

MAF

15305555

1770A6M 1maf_iat_snsrMAF Sensor & IAT

001

A

REFLOW

B

SERIAL DATA LINK

55A8A-Page -1Class II

M

0.35IP

750

YEL710.

TXL

1532608516M GT 150 280ENGINE

70.5 50

BLU LT1876.

TXL

ENG

B

CASE

001

12052641

Sensor - Knocksensor_knockUPC FNA

A

0.35 50

GRN DK1049.

TXL

ENG7

500.5 7

ENGTXL

.492YEL

12052641

oil_lvl_swSw Asm - Low Oil Lvl

UPC FNA001

A

B

7

ENGTXL

.552BLK

500.5

8A-21A

ELEC THROT CNTLEtc Mdl

1-Page

7

ENGTXL

.1174BRN

500.5YEL

500.35 7

ENGTXL

.710

ELEC THROT CNTL

21A8A-Page -1Etc Mdl

010441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403 XCK EAU 1 CKMC03PROD12 Friday, July 19, 2002

ENGINE CONTROLS - GEN 3 (LD/HD/E85)

J2-57

VREFRTN G

J2-31

MAF

J2-25

IAT

DIFF

J1-9

FLATKNOCK 1

J1-70

LOW OILLVL SWITCH

J1-58

CLASS 2SERIAL A

J1-59

CLASS 2SERIAL B

J1-49

FLATFLAT

J1-50

KNOCKRTN 2

KNOCK 1RES

J1-51

LEFT HAND

RTN 1KNOCK

THROTTLECONTROL

J1-15

DEDICATEDELECTRONIC

ETC B

J1-10

DIFF RIGHT HAND

J1-11

RESKNOCK 2

J1-14

ETC A

KNOCK 2FLAT

ENG0.5

GND DIST

14A8A- -3PageCase Gnd

TXL

.451BLK/WHT

507

J3-B1

TBC

(WUR)CLASS2-2

251A-4

7

ENGTXL

.496BLU DK

500.5

439

TBC_ENG

MAF_IGN

CL2_ENG

KNK_GND2

MAF_GND451

774 ETC_B

1061 ETC_A

OIL_LVL

Engine Controls: GEN 3 PCM

K33020b_010_12

D-76PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

VCC

PCM (GEN 3)IGN1

Panel Set: 13

&LQ4/LQ9&LQ4/LQ9

70.5 50

GRN DK/WHT465.

TXL

ENG

GRA500.5 7

ENGTXL

.474

ENG190.8 50

PNK1039.

TXL

ENGTXL

.2129BRN

500.8 19

890.

TXL

ENG70.5 50

GRN DK

RED2127.

TXL

ENG190.8 50

190.8 50

BLU LT2123.

TXL

ENGFuel Tank SenderFUEL SNDR/PUMP

8A-Page -122E/F/G/H/I

FUEL SNDR/PUMP

8A-Page -122E/F/G/HSec Fuel/Pump

890GRN DK

507

&EVA

CHASSIS0.5 GXL

.

LO

PRESS

B

+5V

C

12059595

fuel_tank_snsrSensor-Fuel Tank Press

UPC FNA004

REF

A

22E/G/H 2-Page 8A-

FUEL SNDR/PUMPSec Fuel Pump Rly

CHASSIS

&EVA

750

GRA474.

GXL0.5

DCHASSIS

1537353312F GT 150 280

DENGINE

1537354712M GT 150 280

ENG190.8 50

PPL2121.

TXL

C

H

CY

LIN

DE

R #

3

A

GND

B

EST C EST F

CE

RTN EST H

F G

EST A IGN001

12047938

FNAUPC

ign_coil_oddIgn Coil/Driver-Odd

SP

AR

K P

LU

G #

1

CY

LIN

DE

R #

1

SP

AR

K P

LU

G #

5

SP

AR

K P

LU

G #

7

SP

AR

K P

LU

G #

3

CY

LIN

DE

R #

5

CY

LIN

DE

R #

7

FUEL SNDR/PUMP

8A-Page -222E/G/HSec Fuel Sender

PROD13 Friday, July 19, 2002

010441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403 XCK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03

FUEL SNDR/PUMP

22E/F/G/H/I8A-Page -1Fuel Pump Rly

8A-Page -2Gnd Zone #5

GND DIST

14A

470.

TXL

ENG70.5 50

BLK

J1

INJ1 (Uh Bec)

15A

POWER DIST

10A8A-Page -

22E/F/G/H 1-Page 8A-

FUEL SNDR/PUMPPrim Fuel/Pump

J

J2-9

FUELPUMPRELAY

FUEL PULL UP

EST F

J2-69

EST HLEVEL

J2-73

FUEL

SEN

(SEC)

J2-64

FTPRESS

J2-68J2-60

EST RTN AFUELLEVELSEN

J2-54

EST A

J2-27

EST C

J2-3

FUELPUMPRELAY

(SEC)

J2-26

(SEC)FTPRESS

J1-5J1-46

FUEL SENSORVREF

VREFRTN H

J1-23

C

ENGTXL

.2125GRN DK

500.8 19

FUEL_EVA470470 FUEL_VREFR

IGNC_GND3550

IGN_COIL1FLVL_PRIM1589

FLVL_SEC1936 1465 SEC_PUMP

PRIM_FRLY

Engine Controls: GEN 3 PCM

K33020b_010_13

D-77PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

PCM (GEN 3)

Panel Set: 14

0.35 7

ENGTXL

.1869BLU DK/WHT

50

C

EST G

E

RTN

F

EST EEST B

G

IGN

H

001

12047938

FNAUPC

ign_coil_evenIgn Coil/Driver - Even

SP

AR

K P

LU

G #

6

CY

LIN

DE

R #

6

SP

AR

K P

LU

G #

2

SP

AR

K P

LU

G #

4

SP

AR

K P

LU

G #

8

CY

LIN

DE

R #

2

CY

LIN

DE

R #

4

CY

LIN

DE

R #

8

A

GND

EST D

B

PNK500.8 19

ENGTXL

.1239

TXL

.2126BLU LT/WHT

500.8 19

ENG0.35 50

YEL/BLK1868.

TXL

ENG7

TXL

.2130BRN/WHT

500.8 19

ENG

190.8 50

PPL/WHT2128.

TXL

ENG

-Page 8A-10A

POWER DIST

15A

INJ2 (Uh Bec)1

A BC

190.8 50

GRN DK/WHT2124.

TXL

ENG

Cam Sensorcam_snsr_gen3UPC FNA 12059595

001

SENSORCAM

EFFECTHALL

70.35 50

BRN/WHT633.

TXL

ENG

TXL

.631RED

500.35 7

ENG

GND DISTGnd Zone #5

2-Page 8A-14A

.2122RED/WHT

500.8 19

ENGTXL

CK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03PROD

14

010441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403 X

Friday, July 19, 2002

1867. TXL

ENG70.35 50

GRN LT

15324165

001

A

SENSORCAM

EFFECTHALL

BC

Crank Sensorcrank_snrUPC FNA

EST B

J2-66 J2-67

EST D

EST RTN B

J2-61

CAM SUP

J2-39J2-28

EST EEST G

J2-29

CAM POS

J1-73

CAM RTN

J1-61

CRANK

J1-2

SUPCRANK RTN

J1-21

LSD 2SPARE

J1-16

CRANK

J1-12

POS 1

ENGTXL

.632PNK/BLK

500.35 7

IGN_COIL2

550 IGNC_GND4

Engine Controls: GEN 3 PCM

K33020b_010_14

D-78PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

P/N P B CA

PRESS

REF

REFRTN

5V

IGN0IGN0

V-

PCM (GEN 3)

V+

IGN0 IGN0 IGN0IGN0IGN0

PAGE 8A-

138-1

020-11

Panel Set: 15

112-1

ECM/PCM

BKUP LP

PART#

030-1

BTSI

POA NSBU SWITCH

START

TXL

ENG7

Trec Mdl/Trnsf Case Sw1-Page 8A-38A/B/C/D

TRNSF CASE CNTRL

0.35 50

GRN DK/WHT459.

GND DIST

14A8A-Page -1Gnd Zone #4

RED/BLK500.35 7

&CJ2/CJ3

ENGTXL

.380

70.35 50

BLK/WHT771.

TXL

ENG

&M30/M32/MT1

7

&CJ2/CJ3

ENGTXL

.2751BLK

500.35

010441

k33020bsheet1schematic $IVEDWORK/k33020b__010

11:22:50 am

&L59/LM7/LQ4/LQ9/LR403 XCK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03PROD

15 Friday, July 19, 2002

YEL500.35 7

&M30/M32/MT1

ENGTXL

.772

HVAC

64A8A-Page -1A/C Enable Rly

ENG

&NP1/NP2/NP8

70.5 50

GRA/BLK1694.

TXL

. TXL

ENG

&CJ2/CJ3

70.35 50

GRA2700

J2-D

1212984012191757

9115A7A

NSBU-Sw Asmnsbu_sw_gen3

J1-A J1-B J1-CJ1-DJ2-A

J2-J1-

001

UPC FNA

15344137

002Sensor-A/C Pressure

1

2

3

TP_IN

TP_REFacpres_snsr

70.35 50

GRA773.

TXL

ENG

&M30/M32/MT1

&M30/M32/MT1

ENGTXL

.776WHT

500.35 7

VREF

J2-80

RTN IPRNDL C

J2-62 J2-55

A/C PRESSSWITCH

J2-43

A/C CLUTCH

J2-33

FAN 2CTRL RLY SWITCH

(4WD HI-LO)TRANSFER CASE

J2-14

A/C PRESSSENSOR

J2-16 J2-11

PRESS SWITCHSEC HI AC

J1-72

PRNDL B

J1-45

VREF 2 A

J1-32

PRNDL A

J1-34

PRNDL P

TRNS_CASE451 NSBU_GND

AC_CLTCH

Engine Controls: GEN 3 PCM

K33020b_010_15

D-79PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

IGN0 IGN0IGN0

PCM (GEN 3)

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

E85 ONLY

Panel Set: 16

Frt Axle Sw1-Page 8A-38B

TRANS CASE CNTRL

Gnd Zone #41-Page 8A-14A

GND DIST

-Page 8A-10A

POWER DIST

15A

PCMI (Uh Bec)2

Gnd Zone #41-Page 8A-14A

GND DIST

Gnd Zone #4GND DIST

14A8A-Page -1

Low Coolant Sw - Gen3/Lu3sw_lcoolUPC FNA 12052644

001

A

B

GND DIST

14A8A-Page -2Gnd Zone #5

.1579WHT

507

=&L59

ENGTXL

0.5

GRN LT1478.

0.35

TXL

ENG7

50

11:22:50 am

Friday, July 19, 2002&L59/LM7/LQ4/LQ9/LR403 XCK EAU

ENGINE CONTROLS - GEN 3 (LD/HD/E85)1 CKMC03PROD

16

010441

k33020bsheet1schematic $IVEDWORK/k33020b__010

.1695BLK/WHT

507

&NP2

ENGTXL

0.5

Gnd Zone #52-Page 8A-14A

GND DIST

CONTROL A

J2-79

HI

J2-76

HI

IDLE AIRCONTROL B

J2-77

LOW

J2-78

LOW

IDLE AIR

J2-40

D

J2-19

FRONT AXLESWITCH

J2-1

C

GND

J1-78

PTOENGAGEKILL

PTO ENG

J1-71

FEEDBACKFUEL COMP

FFS

J1-56 J1-52

PTO

J1-40

B

MDL

J1-30

LOWCOOLANTSWITCHSWITCH

J1-22

PTOENABLE

UPCeau_gen3Gen 3 Pcm Module

006

1219148812191489

FNA

J1-J2-

J1-1

A

Gnd Zone #4GND DIST

14A8A-Page -1Snsr Asm - Flex Fuelflex_fuel_snsrUPC FNA 12146121

001

AB

C

FLXFL_GND550

439 FLX_FUEL

FRT_AXLE

550 LCOOL_GND2

VGND_A451

VGND_B451

VGND_C451

VGND_D451

Engine Controls: GEN 3 PCM

K33020b_010_16

D-80PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

VCC

IGN

V+

Panel Set: 1

12129946

Sensor - Mapmap_snsr12F 5000A

001

A

REFLOW

B

MAP

C

5VREF

005

15359366

4000A12Fcool_tempSensor Asm-Cool Temp(Gen3/LU3)

REFLOW

A

TEMP

B

-NW7

70.35 50

GRA2701.

TXL

ENG

TXL

ENG70.35 50

ORN/BLK469.

410.

TXL0.5ENG

750

YEL

15344137

Sensor - TPStps_snsr_lu312F 5000A

003REF5V

1

2

LOWREF

TPS

3

TXL

.332TAN/WHT

500.35 7

ENG

Friday, July 19, 2002schematic sheet1

k33020c310

0091

PROD CKMC031ENGINE CONTROLS (LU3 &M30/MG5)CK EAU X03 &LU3

11:32:09 am

$IVEDWORK/k33020c__009

BLK50

7

ENG0.5 TXL

.407

FNAUPCsnsr_oil_pressSen - Oil Press

003

15344137

1

REFLOW

2

5VREF

3

OILPRESS

TXL

ENG70.35 50

GRA597.

ENG70.8 50

BLK2755.

TXL

J2-7

LEGR1 HIENGINE OILPRESS

J2-58 J2-41

LEGR1 LO

MAP

J2-32 J2-24

TPS

VREF 1 D

J1-8J1-74

ECL TEMP

VREF 1 C

J1-7J1-63

VREF RTN C

J1-55J1-60

VREF RTN DVREF RTN B

J1-54

LEGR1 POS

J1-47

VREF 1 A

J1-48

VREF 1 B

J1-41

VREF RTN A

PCM

ENG70.35 50

GRA2705.

TXLTXL

.2752BLK

500.35 7

-NW7

ENG

417.

TXL

ENG

-NW7

70.35 50

BLU DK

7

ENGTXL

.432GRN LT

500.35

COOL_T

(Page 6)

Engine Controls: LU3 – 4.3L V6

K33020c_009_01

D-81PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 2

.428GRN DK/WHT

500.5 7

ENGTXL

001

120526430660A8D

Valve Asm-Cnstr Purgecan_purge

A

B

VEHICLE SPEED SNSRToss Low

1-Page 8A-33A

ENGINE12M GT 150 28015373547

F

33A8A-Page -1Toss Hi

VEHICLE SPEED SNSR

10A

POWER DIST

15A

Batt - QS4 (Uh Bec)8-Page 8A-

$IVEDWORK/k33020c__009

11:32:09 am

&LU303 XCK EAU

ENGINE CONTROLS (LU3 &M30/MG5)1 CKMC03PROD

2

CHASSIS12F GT 150 28015373533

F

Friday, July 19, 2002009

310

k33020csheet1schematic

GXL0.5CHASSIS

&EVA

750

WHT1310.

15A

IGN1 Rly - PCMI (Uh Bec)2-Page 8A-10A

POWER DIST

VENT SOLENOIDFUEL TANK

J2-45

CANISTER PURGE

J2-36

RELAYAIR PUMP

RELAYSOLENOID

AIR

J2-4J2-34

SOLENOID

J2-21

TOSS

HI

TISS

HI

J2-22

LOW

J2-23

LOW

J2-20

50

PNK439.

TXL0.5

PCM

ENG7

TXL

ENG70.35 50

WHT1310.

001

120526430660A8D

Solenoid Asm-Ventsol_vent

A

B

PURGE_FD

822 VSSLO 821 VSSHI

2640 VENT_SOL

Engine Controls: LU3 – 4.3L V6

K33020c_009_02

D-82PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

B

X00366M6

A

B

001Fuel Inj #6

6M6 X0036

A

B

X00366M6

Fuel Inj #1

001

15326181

fuel_injFuel Injector #4

fuel_inj

15326181

6M6 X0036

A

B

001

15326181

fuel_injFuel Injector #3

6M6 X0036

A

B

001

15326181

fuel_injFuel Inj #5

6M6 X0036001

A

Fuel Inj #2fuel_inj

15326181 15326181

fuel_inj001

A

B

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 3

TXL

.1239PNK

500.5 7

ENG50

PNK1239.

TXL

ENG70.5

-Page 8A-10A

POWER DIST

15A

Eng 2 (Uh Bec)1 8A-10A

POWER DIST

15A

Eng 2 (Uh Bec)1-Page

TXL

ENG70.5 50

YEL/BLK846.

-Page 8A-10A

POWER DIST

15A

Eng 1 (Uh Bec)1

TXL

.1744BLK

500.5 7

ENG

ENG70.5 50

PNK1039.

TXL

0.5 50

BLK/WHT845.

TXL

ENG7

Eng 1 (Uh Bec)

15A

POWER DIST

10A8A-Page -1

TXL

ENG70.5 50

GRN LT/BLK1745.

1Eng 1 (Uh Bec)

15A

POWER DIST

10A8A-Page - 1Eng 2 (Uh Bec)

15A

POWER DIST

10A8A-Page -

ENG70.5 50

PNK1039.

TXL

J

K

L

M

B

C

DE

F G

H

12177083

FNAUPC

Inj Fuel Asm - LU3001inj_fuel_lu3

A

INJECTORF

INJECTOR

J1-77

B

J1-76

CINJECTOR

J1-43 J1-44

GINJECTOR

J1-4

INJECTORDA

INJECTOR

J1-36

EINJECTOR

J1-37

HINJECTOR

J1-3

PCM

1 CKMC03PROD3

009310

k33020cFriday, July 19, 2002sheet1schematic $IVEDWORK/k33020c__009

11:32:09 am

&LU303 XCK EAU

ENGINE CONTROLS (LU3 &M30/MG5)

7

ENGTXL

.844BLU LT/BLK

500.57

ENGTXL

.1746PNK/BLK

500.5

F_INJ5 1239 LU3_INJ4F_INJ1 1039 LU3_INJ3 F_INJ2 F_INJ6

Engine Controls: LU3 – 4.3L V6

K33020c_009_03

D-83PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

SPARK RETARD

VCCVCC VCCVCC

TCS DATA CTRL/

IGN0

TOP OF TRVL 44-2

CLUTCH SW

30-1BOTTOM OF TRVL

TOP OF TRVL

Panel Set: 4

RPO LEGEND

PAGE 8A-20-4

MG5 - 5-SPEED MAN TRANS

PART#POA

STARTING & CHARGING

30A8A-Page -2AlternatorIgn1 Rly - PCMI (Uh Bec)

2-Page 8A-10A

POWER DIST

15A7

&MG5-JF4

BRKCLTCH0.35 TWP

.48GRA

50

16F GT 150 280IPB15326084

TXL0.35IP

&MG5-JF4

750

GRA48.

schematic $IVEDWORK/k33020c__009

11:32:09 am

&LU303 XCK EAU

ENGINE CONTROLS (LU3 &M30/MG5)1 CKMC03PROD

4 Friday, July 19, 2002009

310

k33020csheet1

Abs/Vses (Uh Bec 420)5/3/1-Page 8A-44A/B/C

BRAKES

TXL

.396BLU LT/BLK

500.35 7

ENG

-1Cruise Module

CRUISE CONTROL

34A8A-PageAbs/Vses

5/2/2-Page 8A-44A/B/C

BRAKES

1532608516M GT 150 280ENGINEB

&MG5

ENGTXL

.48GRA

500.35 7

BRKCLTCHK1533620512F GT 150/280

14Crank Start (Uh Bec)

10A

POWER DIST

10A8A-Page -

TXL

.440ORN

500.8 7

ENGENG

70.35 50

PPL806.

TXL

STARTING & CHARGING

30A8A-Page -2Alternator

MONF TERM

J2-75

CRANK

J2-59

TORQDEL

J2-5

VATS

J2-30

CLTCH/NEUT START

J2-18

MILREQUEST

J2-12 J2-13

ENGAGECRUISE

MONL TERM

J2-15

VIGN 0

J1-75 J1-57

VBATT B

J1-33

SWITCHCLUTCH

J1-35

SWITCHBRAKE

TCC VBATT A

J1-20J1-19

VIGN 1

BATTERY

TORQREQ

J1-13

PCM

K1533620912M GT 150/280IP

F12064860

002cltch_sw_topMan Cltch Sw-Top Of Trvl #1

12E 1750A

E

-Page 8A-10A

POWER DIST

20A

Batt - PCMB (Uh Bec)4

ENG70.35 50

PPL420.

TXL

4Batt-PCMB (Uh Bec)

20A

POWER DIST

10A8A-Page -

14IGN0 (Lh Bec)

10A

POWER DIST

10A8A-Page -

STARTING & CHARGING

30A8A-Page -1Manual Clutch Sw

ENG_CRANK ENG_BAT24401020 TRNS_PWR1

ENG_IGN14391433 CLTCH_NTRL 25 ALT_LTERM

CLTCH_SW441 ALT_FTERM23

ENG_BAT1BRK_SW

CRUISE_ENG

Engine Controls: LU3 – 4.3L V6

K33020c_009_04

D-84PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

IP UPFIT IP BODY INFOJMPR

IP

817 817 817 817 817

817

SA817

IGN0IGN0 IGN0

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 5

0.35IP

&SBA

750

GRN DK/WHT817.

TXL

IP16F GT 150 28015326084

D

ENG0.35 TXL

.817GRN DK/WHT

507

SBA Mdl1-Page 8A-44D

SUPPLEMENTAL BRAKE ASSIST

TXL

.817GRN DK/WHT

507

IP0.35

J1-B9

J1-E6 J10-JJ6-D J9-C

Blk Asm - Mbec VSS (4K PPM)mbec_817UPC FNA

12193905

001

12194033

1535703012194035

J1-A10

IP CLUSTER

PageMalf Ind Lp

1-8A-81A

1537354712M GT 150 280ENGINEE

ENG0.35 TXL

.121WHT

507

817GRN DK/WHT

507

IP0.35 TWP

.

Cruise Module1-Page 8A-34A

CRUISE CONTROL

1

IP CLUSTER

81A8A-Page -14kPPM Signal

2ppm Tach Sig-Page 8A-81A

IP CLUSTER

16M GT 150 28015326085

D

ENG0.35 TXL

.625YEL/BLK

507

ENGINE

PROD5

009310

k33020csheet1schematic $IVEDWORK/k33020c__009

11:32:09 am

&LU303 XCK EAU

ENGINE CONTROLS (LU3 &M30/MG5)1

Friday, July 19, 2002CKMC03

INFOTAINMENT-RADIO

150C8A-Page -1Radio Module

J2-49

PPMSECONDARY

PPMPRIMARY

J2-50

HI IDLELAMP

J2-46

INDICATOR LPMALFUNCTION

(REV LOCK SOL)

J2-44

LAMPLOW OIL

J2-35J2-38

GAUGEFUEL/OIL

J2-10

TACH

LIFT DIVECHG OIL LP

J1-38

START SOL

J1-39

RLY (LSD)

PCM

750

BRN/WHT419.

TXL0.35ENG

12F GT 150 280CHASSISE15373533

ENG7

50

YEL/BLK1827.

TXL0.35

7

&K34

IP0.35 TXL

.817GRN DK/WHT

50

BRAKESElec Brake Mdl

1-Page 8A-44A/B/C

SBA_4KPPM

STARTING AND CHARGING

30A8A-Page -1Starter Rly

RDIO_4KPPM817 IPC_4KPPM

START_RLY

CRUZ_4KPPM

TACH MALF_LP 1827 ABS_128K

Engine Controls: LU3 – 4.3L V6

K33020c_009_05

D-85PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

M

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

IGN0 IGN0 IGN0 VCC

Panel Set: 6

M30 - 4L60E AUTO TRANS

RPO LEGEND

418BRN

500.35 7

&M30

ENGTXL

.&M30

70.35 50

WHT687.

TXL

ENG

&M30

70.35 50

PNK1224.

TXL

ENG

14Ign0 (Lh Bec)

10A

POWER DIST

10A8A-Page -

TAN/BLK500.35 7

&M30

ENGTXL

.422

SOL ENABLE

T

SOL PWM

U

E

SENSOR

L

SUMP TEMP

M

A

N

PRESSURE SWITCH MANIFOLD

C

P

B

R

SOL CNTL

S

FNAUPC

Auto Trans-4L60Etrans_l35 001

12191511

SOL SHIFT A

A

SOL SHIFT B

B

FORCE MOTOR 1

C

SOL A

D

0.35 50

YEL/BLK1223.

TXL

ENG

&M30

7

ENGTXL

.1229BLU LT/WHT

500.35 7

&M30

1 CKMC03PROD6

009310 Friday, July 19, 2002k33020c

sheet1schematic $IVEDWORK/k33020c__009

11:32:09 am

&LU303 XCK EAU

ENGINE CONTROLS (LU3 &M30/MG5)

TXL

.1020PNK

500.35 7

&M30

ENG

0.35 50

BLU DK1225.

TXL

ENG

&M30

7

&M30

ENGTXL

.1226RED

500.35 7

ENGTXL

.1222GRN LT

500.35 7

&M30

FMTR1LOW

J2-8

A

J2-63

HIFMTR1

J2-6J2-48

TEMPTRANS

J2-51

SKSHF LPSHF B

J2-47

SHF A

RELAYTRANS MOD

TCCEN

J2-42

CTRLTCC

J2-2J1-79

SKIP SHIFT3-2 SHIFT

VREF RTN F

J1-53

TRANS PRESSUREB

J1-17

SWITCH MANIFOLD

C

J1-18

PCM

ENG

&M30

70.35 50

GRA720.

TXL

ENG

&M30

70.35 50

YEL/BLK1227.

TXL

&M30

70.35 50

RED/BLK1228.

TXL

ENG

TRNSPWR3

Engine Controls: LU3 – 4.3L V6

K33020c_009_06

D-86PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

+

V-

HI

LO

+

V-

HI

LO

+

V-

HI

LO

+

V-

HI

LO

Panel Set: 7

10A8A-Page -16IGN1 - O2 A (Uh Bec)

15A

POWER DIST

10A8A-Page - 6IGN1 - O2 A (Uh Bec)

15A

POWER DIST

50

PPL1670.

TXL

ENG70.5

-17Gnd Zone #4

GND DIST

0.5 7

ENGTXL

.1539PNK

50

14A8A-Page

7

ENGTXL

.1671TAN

500.5

00102_sensHtd Oxy Snsr - LTPOST (B1S2)

UPC FNA

15326423

A

B

C

D

500.5 7

ENGTXL

.1667TAN

.

TXL

ENG70.5 50

GRN LT3212

k33020csheet1schematic $IVEDWORK/k33020c__009

11:32:09 am

&LU303 XCK EAU

ENGINE CONTROLS (LU3 &M30/MG5)1 CKMC03PROD

7 Friday, July 19, 2002009

310

50

PPL1666.

TXL

ENG70.5

.

TXL

ENG70.5

TXL

.539PNK

50

50

RED/WHT3223 3113.

TXL

ENG70.5

0.5 7

ENG

50

BLK/WHT

70.5

7

ENGTXL

.2391BRN

50

50

PNK1539.

TXL

ENG

50

TAN/WHT1669.

TXL

ENG70.5 0.5

16IGN1 - O2 B (Uh Bec)

15A

POWER DIST

10A8A-Page -

C

D

15326423

FNAUPC

Htd Oxy Snsr - RTPRE (B2S1)02_sens 001

A

B

7

ENGTXL

.539PNK

500.5TXL

.1668PPL/WHT

500.5 7

ENG

C

D

15326423

FNAUPC

Htd Oxy Snsr - RTPOST (B2S2)02_sens 001

A

B

CNTRL LO

J2-74

O2 B HTR

J2-72

CNTRL HIO2 A HTR

J2-53

HTR LOO2 D

O2 C HTR LO

J2-52

5V REFRTN E

J1-80J1-67 J1-68

O2 C HI

J1-69

O2 A HI

PRE-OXYGEN SENSORHEATED (B1 S1)

HTR GND C

J1-64

DEDICATED

J1-65

O2 D HI

J1-66

O2 B HIHTR GND DDEDICATED HEATED (B1 S2)

J1-28

O2 A CNTRL LO

J1-29 J1-24

HTR GND A

J1-25

O2 D CNTRL LO

POST-OXYGEN SENSORHEATED (B2 S2)

PRE-OXYGEN SENSORHEATED (B2 S1)

J1-26

O2 B LODEDICATEDHTR GND B

J1-27

CNTRL LOO2 C

POST-OXYGEN SENSOR

DEDICATED

PCM

0.5 7

ENGTXL

.1664TAN

50

B

C

D

14A8A-Page -17Gnd Zone #4

GND DIST

00102_sensHtd Oxy Snsr - LTPRE (B1S1)

UPC FNA

15326423

A

TXL

ENG70.5

GND DISTGnd Zone #4

17-Page 8A-14A

50

PPL/WHT1665.

Page 8A-14A

GND DISTGnd Zone #4

17-

-Page 8A-10A

POWER DIST

15A

IGN1 - O2 B (Uh Bec)16

HTR_GNDB451

(Page 1)

COOL_T

407

451 HTR_GNDA451

O2SENSB_P O2SENSB_P O2SENSA_P O2SENSA_P

HTR_GNDC451HTR_GNDD

Engine Controls: LU3 – 4.3L V6

K33020c_009_07

D-87PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

IGN0 VCCVCC

NORMAL FLUID LEVEL

Panel Set: 8

N.O. HELD CLOSED AT

FNAUPCknock_snsr

Snsr Asm-Knock Flt Resp

12110179

001

AB

251A-4 J3-B1

TBC

GND DISTGnd Zone #4

1-Page 8A-14A

ENG70.35 50

GRN DK1049.

TXL

SERIAL DATA LINK

55A8A-Page -1Class II

BRN500.5 7

ENGTXL

.1174-Page 8A-10A

POWER DIST

15A

Pcm I (Uh Bec)2

8

009310

k33020csheet1schematic $IVEDWORK/k33020c__009

11:32:09 am

&LU303 XCK EAU

ENGINE CONTROLS (LU3 &M30/MG5)

Friday, July 19, 20021 CKMC03PROD

1532608516M GT 150 280ENGINEM

TXL

.552BLK

500.35 7

ENG

.1716GRA

500.35 7

ENGTXL

14A8A-Page -1451 MbecGND DIST

REFLOW

B

TEMP

C

GND

D

IGN

E

MAF

15305555

1770A6M 1maf_iat_snsrMAF Sensor & IAT

001

A

ENGTXL

.492YEL

500.5 7

ENG70.35 50

BLU DK496.

TXL7

ENGTXL

.710YEL

500.35

RTN GVREF

J2-57

MAF

J2-31

IAT

J2-25

DIFF

J1-9

FLATKNOCK 1

LOW OIL

J1-70

LVL SWITCHCLASS 2

J1-58

SERIAL A SERIAL BCLASS 2

J1-59

RTN 2

RESKNOCK

LEFT HAND

J1-51 J1-49

FLAT

RTN 1KNOCK

FLAT

J1-50

KNOCKCONTROLTHROTTLE

ETC A

J1-14J1-15

ETC B

ELECTRONICDEDICATED

KNOCK 2FLAT

J1-10

DIFF

J1-11

RIGHT HAND

KNOCKRES PCM

TAN472.

TXL

ENG70.35 50

12052641

oil_lvl_swSw Asm - Low Oil Lvl

UPC FNA001

A

B

0.35IP

750

YEL710.

TXL

M1532608416F GT 150 280IP

TXL

.451BLK/WHT

507

ENG0.5

OIL_LVL

MAF_IGN439

CL2_ENG

TBC_ENG

MAF_GND451

Engine Controls: LU3 – 4.3L V6

K33020c_009_08

D-88PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

(Page 10)

VCC

IGN1

Panel Set: 9

ENGINED1537354712M GT 150 280

FUEL SNDR/PUMP

22E/G/H/I8A-Page -1Fuel Pump Rly

C

Fuel Tank SenderFUEL SNDR/PUMP

8A-Page -122E/G/H/I

J

XCK EAU

ENGINE CONTROLS (LU3 &M30/MG5)1 CKMC03PROD

9

009Friday, July 19, 2002310

k33020csheet1schematic $IVEDWORK/k33020c__009

11:32:09 am

&LU303

GND DISTGnd Zone #5

2-Page 8A-14A

J

0.5 GXL

.890GRN DK

507

&EVA

CHASSIS

Prim Fuel/PumpFUEL SNDR/PUMP

8A-Page -122E/G/H/I

A

IGN

B

DRIVER

C

TXL

.1039PNK

500.5 7

ENG

001

12146121

UPC FNAcoil_ignIgnition Coil

GRA500.5 7

ENGTXL

.474

7

ENGTXL

.423WHT

500.5

1INJ2 (Uh Bec)

15A

POWER DIST

10A8A-Page -

.

TXL

ENG70.5 50

WHT/BLK1847

474.

GXL0.5CHASSIS

&EVA

750

GRA

-Page 8A-10A

POWER DIST

15A

INJ1 (Uh Bec)1

C

.

TXL

ENG70.5 50

BLK470

FUEL PULL UP

RELAYPUMPFUEL

J2-9

EST F

J2-68

EST H

J2-69J2-73

LEVEL

(SEC)

SEN

FUELFTP

SNSR

J2-64

EST RTN

EST RTN A

J2-60

LEVELFUEL

J2-54

SEN

J2-26J2-27

EST C

(SEC)

RELAYPUMPFUEL

J2-3

EST A

FTPRESS(SEC)

J1-5

VREF 2 BFUEL SNSR

J1-46

VREFRTN H

J1-23

PCM

REF

B

PRESS

+5V

C

004FNAUPC

Sensor-Fuel Tank Pressfuel_tank_snsr

12059595LO

A

465.

TXL

ENG70.5 50

PNK1239.

TXL

ENG70.5 50

GRN DK/WHT

TXL

ENG70.5 50

GRN DK890.

FUEL SNDR/PUMPSec Fuel/Pump

22E/G/H/I 1-Page 8A-

12F GT 150 280CHASSISD

003

15354716

UPC FNAcoil_drvrCoil Asm - Ign

A

IGN

B

SPARKTIMING

GND

C

DRIVERCOIL

D

15373533

470 470 FUEL_EVAFUEL_VREFR

IGN_COIL1 IGN_COIL2

FLVL_PRIM1589

550 LU3_GND

PRIM_FRLY

Engine Controls: LU3 – 4.3L V6

K33020c_009_09

D-89PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 10

500.35 7

ENGTXL

.1869BLU DK/WHT

CK EAU

ENGINE CONTROLS (LU3 &M30/MG5)1 CKMC03PROD

10 Friday, July 19, 2002009

310

k33020csheet1schematic $IVEDWORK/k33020c__009

11:32:09 am

&LU303 X

50

GRN LT1867.

TXL

ENG70.35

RED500.35 7

ENGTXL

.631

001

12059595

FNAUPCcrank_snsr_lu3Crank Sensor

A BC

HALLEFFECT

CAMSENSOR

J2-67

EST RTN B

EST RTN

J2-66

EST BEST D

J2-61 J2-39

CAM SUPEST E

J2-28J2-29

EST G

J1-73

CAM POS

J1-61

CAM RTN

J1-21

CRANK RTN

J1-16

CRANKSUP

J1-2

CRANKPOS 1

SPARELSD 2

J1-12

PCM

0.35 50

BRN/WHT633.

TXL

ENG7

500.35 7

ENGTXL

HALLEFFECT

CAMSENSOR

C

.632PNK/BLK

001

12110293

FNAUPCcam_snsr_lu3Cam Sensor

AB

0.35 50

YEL/BLK1868.

TXL

ENG7

Engine Controls: LU3 – 4.3L V6

K33020c_009_10

D-90PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

PRESS

REF

REFRTN

5V

IGN0 IGN0

V+

IGN0 IGN0

V-

IGN0IGN0 IGN0

P/N PB CA

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

020-11START

PAGE 8A-ECM/PCM

BKUP LPBTSI

Panel Set: 11

138-1

M30

PART#

030-1

POA NSBU SWITCH

112-1

8A-Page -1Trec Mdl/Trans Case Sw

TRNSF CASE CNTRL

38A/B/C/D

0.35 50

BLK2751.

TXL

ENG

&CJ2/CJ3

7

2700.

TXL

ENG

&CJ2/CJ3

7

TXL

ENG

&M30

70.35 50

BLK/WHT771.

0.35 50

GRA7

&M30

ENGTXL

.776WHT

500.35

acpres_snsrUPC FNA

15344137

002Sensor-A/C Pressure

1

2

3

TP_IN

TP_REF

&M30

70.35 50

GRA773.

TXL

ENG

14A8A-Page -1Gnd Zone #4

GND DIST

0.35 50

GRN DK/WHT459.

TXL

ENG

&NP1/NP2/NP8

7 7

&CJ2/CJ3

ENGTXL

.380RED/BLK

500.35

J2-80

VREFRTN IPRNDL C

J2-62

SWITCHA/C PRESS

J2-55

A/C CLUTCH

J2-43 J2-33

FAN 2CTRL RLY SWITCH

(4WD HI-LOW)TRANSFER CASE

J2-16

A/C PRESS

J2-14

SENSORSEC HI A/C

PRESS SWITCH

J2-11

PRNDL B

J1-72

VREF 2 A

J1-45

SUPPLY

J1-34

PRNDL P

J1-32

PRNDL A

PCM

A/C Enable RlyHVAC

64A8A-Page -1

0.5 50

GRA/BLK1694.

TXL

ENG

&NP1/NP2/NP8

7

1 CKMC03PROD11

009310

k33020csheet1schematic $IVEDWORK/k33020c__009

11:32:09 am

&LU303 XCK EAU

Friday, July 19, 2002

ENGINE CONTROLS (LU3 &M30/MG5)

.772YEL

500.35 7

&M30

ENGTXL

J1-A J1-B J1-CJ1-DJ2-A

J2-D

nsbu_swtchNSBU-Sw Asm

7A 9115A

1219175712129840

001

J1-J2-

TRNS_CASEAC_CLTCH

NSBU_GND451

Engine Controls: LU3 – 4.3L V6

K33020c_009_11

D-91PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

M

IGN0IGN0

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 12

15354716

FNA003

UPC

IAC Motoriac_motor

LOW A LOW BHI BHI A

ABC D

Gnd Zone #41-Page 8A-14A

GND DIST

507

Gnd Zone #41-Page 8A-14A

GND DIST

ENG0.35 TXL

.1478GRN LT

Low Coolant Sw - Gen3/Lu3sw_lcoolUPC FNA 12052644

001

A

B

0.35 50

BLU LT/BLK1748.

TXL

ENG7

1749.

TXL

ENG70.35 50

GRN LT/WHT

GND DIST

14A8A-Page -1Gnd Zone #4

GND DISTGnd Zone #5

2-Page 8A-14A

1 CKMC03PROD12 Friday, July 19, 2002

009310

k33020csheet1schematic $IVEDWORK/k33020c__009

11:32:09 am

&LU303 XCK EAU

ENGINE CONTROLS (LU3 &M30/MG5)

IDLE AIR

LOW

J2-78

HI

J2-79

CONTROL BIDLE AIR

HI

J2-76

LOW

J2-77

CONTROL A

D

J2-40J2-19

SWITCH2 SPD AXLE

J2-1

GND

C

ENGAGEPTO

J1-78

PTO ENGKILL

J1-71

PTO

J1-52

FEEDBACK

B

J1-40

MDL

J1-30

COOLANTSWITCH

LOW

SWITCHENABLE

PTO

J1-22

J1-

FNA

1219148912191488

005Pcm Modulepcm_lu3UPC

J1-1

A

PCM

J2-

7

ENGTXL

.444GRN LT/BLK

500.35TXL

.1695BLK/WHT

500.5 7

&NP2

ENG

TRANS CASE CNTRL

38B8A-Page -1Frt Axle Sw

7

ENGTXL

.1747BLU LT/WHT

500.35

GND DIST

14A8A-Page -1Gnd Zone #4

VGND_D451

VGND_A451

VGND_B451

VGND_C451

550 LCOOL_GND2

FRT_AXLE

Engine Controls: LU3 – 4.3L V6

K33020c_009_12

D-92PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

VREF VCC

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

001

TXL50

B8

FW-C3F(2)-B

.

C7C8

0.35

24F GT MXD

TEMP

50

C6

A

ISUZU ISUZU

GRA

Panel Set: 1

7BLK

LOW

50

D8

7

003

0.35

720

LOW

C

REF

410 432 1578

7

597

15304900

16249939

B

EGR VAC

YEL2755

LOW

D138F GT MXD

12122195

12F

REF

.

B

BRN

5V

15304900

50

.469

ISUZU7

5000A

ISUZU7TXL

50ISUZU

50ISUZU

FNA

REF

Sensor Asm-Fuel TempPRESSURE

12129946

.

A7

C

ISUZU

C

.

Sensor - Oil Pressure

. .

7TXLGRA

A

TAN/WHT

12555535

ISUZU

718

fuel_temp

AB

15336174

0.35

A

ISUZU7 TXLTXL

ISUZU

002

..

TXLTXL

LOW

5V

0.35

.

REF

REF

FNA

7 TXL

.YELGRN LT

1456

12F

12F

178392-6

7

UPC

ISUZU

REF

GRA332

5000A

0.35

6189-0099

OIL

25036898

Snsr-EGR Vac

REF

0.35

B

7

LOW

ISUZU

TEMP

0.35

003 egr_vac

0.3550

D7

B

D2

Sensor Asm-Cool Temp

ISUZU

ISUZU

A

MAP

2705

38F GT MXD

50TXL0.35

UPC

D6

ORN/BLK

004

TXL

Sumitomo:

0.35

5V

Sensor - Map

50

Furukawa:

TXL50

CAL ONLY

0.35

50

A8

7

BRN

REF

4000A

D7

500.35 7

ENGTXL

.2755BLK

C6

70.35 50

BRN718.

TXL

ENGENGTXL

.410YEL

500.35 7

D2B8D6 GMTG

1533617324M GT MXD

A8 GMTG

1531738038M GT MXD

D8 C7

0.35 7

ENGTXL

.432GRN LT

50

FUEL TEMPGND

J2-60

5V REF 1&2

J2-25

FUEL TEMP

J2-29

MAP SENSE

J2-14

5V REF 1

J1-8

COOLANT VRTN

J1-80

COOLANT

J1-74

TEMP

J1-6

EGR VAC

SENSEPRESS

OIL

J1-5

GNDPRESS

OIL

J1-24

MAP/EGR VAC RTN

J1-25

ECM

597.

TXL

ENG70.35 50

GRA70.35 50

TAN/WHT332.

TXL

ENG7

ENGTXL

.1456BRN

50

A7

0.35

38M GT MXD15317380

GMTGD1

50

ORN/BLK.

TXL

ENG70.35

469

C8

50

GRA2705.

TXL

ENG70.350.35 50

GRA720.

TXL

ENG7 7

ENGTXL

.1578YEL

500.35

&LB703 XCK EAU

ENGINE CONTROLS (LB7)1 CKMC03PROD

1

009331

k33020dsheet1schematic $IVEDWORK/k33020d__009

11:59:45 am

Friday, July 19, 2002

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_01

D-93PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGN0VCC

B

A

AUTO

12052646

MANUAL

A

(Page 10)

A

AUTO

EGR Vent

MANUAL

ISUZU24F GT MXD

EGR Valve

YAZAKI:

EGR Intake Valve

B6

7219-5020-41

ISUZU_IGN1

15336174

7219-5020-41

B5 B7

YAZAKI:

B B

Panel Set: 2

500.5 7

&ML6

ENGTXL

.821PPL/WHT

24M GT MXD15336173

GMTGB7

TRANSMISSION

27A8A-Page -1Tcm

B5

.

TXL

ENG70.35 50

GRN DK/WHT428

400.

TXL

ENG

&M74

70.5 50

YEL BLU DK500.5 7

&M74

ENGTXL

.2466

SA1694

Tcm2-Page 8A- 27A

LCT TRANSMISSION

.1694GRA/BLK

500.5 7

&ML6

ENGTXL

LCT TRANSMISSION

27A8A-Page -1Tcm

B6

331

0092

PROD CKMC031ENGINE CONTROLS (LB7)CK EAU X03 &LB7

Friday, July 19, 2002

11:59:45 am

$IVEDWORK/k33020d__009schematic sheet1

k33020d

Trans Output Speed Snsrtrans_speed_senUPC FNA

15359366

003

A

HI

TISS

LO

B

TRANSFER CASE CNTRL

38A8A-Page -1Front Axle Switch

TXL

.1694GRA/BLK

500.5 7

&M74

ENG

J2-63

TRANSFER CASE(4WD HI-LO)

SWITCH REQUESTMIL

J2-53

EGR INTAKE AIRVALVE

SOLENOID

J2-47 J2-48

SOLENOIDEGR VENTHI

J2-21J2-19

FR AXLE SW

EGR VALVESOLENOID

J2-2

LOW

J2-20

TOSS

TRANS REVERSE SW

J1-62

(MANUAL)

ECM

7

ENGTXL

.1310WHT

500.35ENG

&NP2

70.35 50

BLK/WHT1695.

TXL

1694.

TXL

ENG

&M74

7

TRNSF CASE CNTRL

388A-Page -1Trec Mdl/Trnsf Case Sw

0.5 50

GRA/BLK

Vehicle B/U1-Page 8A-112A

BACKUP LAMPS

TXL

ENG

&ML6

70.5 50

GRN LT/BLK822.

7

&M74

ENGTXL

.1694GRA/BLK

500.5

50

WHT257.

TXL

ENG70.35

4WD_LO

MIL_REQ

TRNS_CASE

REV_SW1524

FRT_AXLE

REP_TOSSHI

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_02

D-94PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

D

001

PNK/BLK

Fuel Injector 1 & 3

ISUZU

RED/BLK

7 TXL

IC13.

B1B11

.

7

ISUZU

BLK

GRN LT/RED

15326632

ISUZU

TXL 70.35

.

6M6

B

fuel_injector

0.35ISUZU

IC21

50

7

J1-47

15326632

50

J1-60

001

7

.

7

.C

J2-120

X0036

C

7

INJ #5

6M6

57X SIG OUT

15326632

ISUZU

ORN/BLK

.

J1-48

fuel_injector

IC19

fuel_injector

878

J1-61

A

ISUZU

.

.

Fuel Injector 6 & 8

J2-121

0.35

X0036

J2-94

J1-1

INJ #4

877

INJ #3INJ #7

Fuel Injector 5 & 7

INJ #6INJ #7

X0036

C

IC20

INJ #8INJ #2INJ #3

J2-115

D

ORN/WHT

J1-3

IC21

ISUZUTXL

Fuel Injector 2 & 4

INJ #6

7

INJ #7

J1-62

A

B

J1-64

1746

15326632

B

0.35

A

SPLICE

ORN/WHT

INJ #1

IC16

SPLICE

INJ #5

.

6M6 6M6

0.35

INJ #8

J1-63

D

X0036

7

IC17GRN LT/BLK

001fuel_injector

B

C

7

.

INJ HI1

001

50

INJ #4

J1-45

J1-59

ISUZU

.

50

INJ #6

J1-66

INJ #2

TXL

845.

50

J2-118

.

J1-4

0.35 50

0.35

.

7

TXL

0.35

J2-116

ISUZU

50

844

EDU

A

TXL

0.35

TXL

7

INJ #1

J1-67

D

7

50

.IC18

.

TXL

50

J1-44

TXL

0.357

INJ HI2

0.35

0.35GRN LT/ORNGRN LT/ORN

YEL/BLK

ISUZU

0.35ISUZU

B12

7

0.35

50

ORN/BLK

TXL50

.

ISUZU

50

0.35

7

C1

.

IC520

50TXL

ISUZU

IC22

.

TXL

GRN LT/BLK

TXL

0.35

50

TXL TXL

.

0.35GRN LT/PPL

IC521

50

ORN/BLK

SPLICE

1745

0.35

.

IC65

ISUZU

TXL

C8

7

TXL

7

846

TXL

ISUZU

BLU LT/BLK BLK/WHT

ISUZU

0.35

ISUZU0.35

0.35

0.35

IC15

ISUZUTXL

7

ISUZU

50

GRN LT

7

ISUZU7

IC14

TXL

.

IC60ORN/WHT

750

TXL

0.35

.

TXL

7

.

TXL

Panel Set: 3

BLU DK/WHT

50

.

ORN/BLK

50

7

IC60

50

ORN/WHTTXL

50

0.35

TXL

.IC13

7

ISUZU

ISUZU

ISUZU

15304900

TXL

ISUZU

TXL

0.35ISUZU

IC64

ISUZU

IC20.

50

0.35

SPLICE50

38F GT MXD

BLU LT

.

ISUZU

IC63

0.35

IC61

ISUZU

ISUZU

0.35

TXL

TXL

C11

.

50

2832

0.35

0.35

.

ISUZU

GRN LT/PPLGRN LT/GRN DK7

.ORN/WH

ISUZU

ISUZU

7

50

GRN LT/RED

50

B2 C2

50

GRN LT/WHT

ORN/BLK

50

GRN LT/PPL

7 7

C12

50

IC62

7

TXL

7

1744

50

TXL

50

.846YEL/BLK

507

ENG0.35 TXL

B2 C2

.845BLK/WHT

507

ENG0.35 TXL

1744.

TXL0.35ENG

750

BLK

B12

BLU LT2832.

TXL0.35ENG

750

C8 C1 B11C12 B1

J2-76

2X OR 57XSIGNAL OUTPUT

INJ #6

J1-76

INJ #7

J1-77

INJ #8

J1-43

INJ #3

J1-44

INJ #2

J1-36

INJ #5

J1-37J1-4

INJ #4INJ #1

J1-3

ECM

1746.

TXL0.35ENG

750

PNK/BLK.844

BLU LT/BLK50

7

ENG0.35 TXL

CK EAU X03 &LB7

Friday, July 19, 2002

11:59:45 am

$IVEDWORK/k33020d__009schematic sheet1

k33020d331

009ENGINE CONTROLS (LB7)

3

PROD CKMC031

ENG0.35 TXL

.1745GRN LT/BLK

507TXL0.35

ENG7

50

RED/BLK877.

38M GT MXD15317380

GMTGC11

ENG7

50

BLU DK/WHT878.

TXL0.35

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_03

D-95PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

19

.

30-1

POA

19

PAGE 8A-

W/ M74 W/ M74 W/O M74

W/O M74 W/O M74W/ M74 W/ M74

W/O M74

1928403462

.

MT1 - 4L80E AUTO TRANS

GND BJ1-

J2-114

J2-

001

TXL

J2-91

BOSCH:1928403454

eau_edu

J1-2

GND A

A5

50

HIGH

UPC FNA

ISUZU

J1-5

IGN1

J2-90

Edu - Isuzu

EDU

38F GT MXDA4

IGN1

J2-119

LOW

J1939

MG5/MW3 - MANUAL TRANS

15304900

19

44-2

2.5

TOP OF TRVL

50

CLTCH SW

TOP OF TRVL20-4

PNK2.0

IZ18

ISUZU50

339

Panel Set: 4

19

ISUZU

2.0

.

M74 - LCT 1000 AUTO TRANS

ISUZU

BLK/YELTXL

RPO LEGEND

TXL

50

IZ17

ISUZU

BLK/GRN DK

ISUZU

15336174

.

B124F GT MXD

C1

2. TXL

339PNK

BOTTOM OF TRVL

&ML6-JF4

70.35 50

GRA48.

TWP

BRKCLTCH

25A

EDU (Uh Bec)1-Page 8A-10B

POWER DIST

ENGINEB1532608516M GT 150 280

K1533620912M GT 150/280IPBRKCLTCHK1533620512F GT 150/280

GMTGB11533617324M GT MXD

TXL

.420PPL

500.35 7

ENG

SA2362

TRANSMISSION

27A8A-Page -1Can Link

TXL

ENG

-NW7

70.5 50

BLU LT1320.

1531738038M GT MXDGMTGA5

1750A12E

Man Cltch Sw-Top Of Trvl #1cltch_sw_top 002

12064860

E

F

0.35 7

&ML6-JF4

IPTXL

.48GRA

50

EXTERIOR LIGTHING

110A8A-Page -2Blk Asm - Stop Lp

2362GRN DK

507

&M74

ENG0.5 TXL

.

A4

BRAKES

44A/B/C8A-Page -5/2/2Abs/Vses

&M74

750

GRN DK2362.

TXL0.5ENGENG

0.5 TXL

.2361YEL

507

&M74

YEL2361.

TXL0.5ENG

&M74

750

ENG0.5 TXL

.2361YEL

507

&M74

C1

7

-M74

ENG0.5 TXL

.2361YEL

507

-M74

ENG0.5 TXL

.2362GRN DK

50

Can Link1-Page 8A- 27A

TRANSMISSION

Abs/Vses (Uh Bec 420)5/3/1-Page 8A-44A/B/C

BRAKES

1532608416F GT 150 280IPB

CRUISEETC/TCCBRAKE

J2-59

BRAKE

SWITCHLAMP

J2-18J1-9

LOW

J1939SWITCHCLUTCH

J1-35

(CRUISE DISABLE)

HIGH

J1-10

ECM

19

ENG2.0 TXL

.339PNK

50

4

PROD CKMC031ENGINE CONTROLS (LB7)CK EAU X03 &LB7

Friday, July 19, 2002

11:59:45 am

$IVEDWORK/k33020d__009schematic sheet1

k33020d331

009

0.5ENG

&M74

750

GRN DK2362.

TXL

SA2361

1EDU (Uh Bec)

25A

POWER DIST

10B8A-Page -

0.35 50

GRA48.

TXL

ENG

&ML6

7

(Page 4)

EDU_J-EDU_J+

(Page 4)

ETC_STOP

CLTCH_SW441

EDU_J+

(Page 4)2361

EDU_PWR1

2362(Page 4)

EDU_J-

339 EDU_PWR2 CANLOCANHI

BRK_SW

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_04

D-96PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

IP UPFIT IP BODY INFOJMPR

IP

817 817 817 817 817

817

SA817

IGN0 IGN0 IGN0

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

7

Rail PSI Cntl Solenoid

0.5

BOSCH: 1 928 403 874

TXL 7

8D 0660A

.YEL

50

001

0.5

B

A

ISUZU

2834

ISUZU

Panel Set: 5

1530490038F GT MXD

.PPL/WHT

50

ISUZUC9C10

rail_solenoid

2530

TXL

ENG0.5 TXL

.2834YEL

507

GMTGC9

IP7

50

GRN DK/WHT817.

TWP0.35

1531738038M GT MXD

IP7

50

GRN DK/WHT817.

TXL0.35

RTD

43A8A-Page -1Rtd Module

ENG16M GT 150 280

15326085D

0.35 TXL

.817GRN DK/WHT

507

ENG ENG70.5 50

PNK1039.

TXL

Rpcv Rly (Uh Bec)1-Page 8A-10B

POWER DIST

Radio Module1-Page 8A-150C

INFOTAINMENT-PREMIUM

0.35 TXL

.1101PNK/WHT

507

ENG

ENG

1537354712M GT 150 280

E

YEL/BLK50

7

ENG0.35 TXL

.1827

IP CLUSTER

81A8A-Page -14k PPM Signal

C10

Elec Brake Mod1-Page 8A-44A/B/C

ABS/TRAC CNTRL

750

PPL/WHT2530.

TXL0.5ENG

ENG0.35 TXL

.625YEL/BLK

507

16F GT 150 28015326084

IPF

F16M GT 150 28015326085

ENG

STARTING & CHARGING

30B8A-Page -1Starter Relay

E

1Ecm Rpcv (Uh Bec)

15A

POWER DIST

10B8A-Page -

CHASSIS

1537353312F GT 150 280

J1-A10

J1-B9

J1-E6 J10-JJ6-D J9-C

15357030

Blk Asm - Mbec VSS (4K PPM)mbec_817UPC FNA

12193905

001

1219403312194035

IP CLUSTER

81A8A-Page -12PPR Tach Signal

RPCV LO

J2-77

128KPPM

J2-49

SECONDARYPRIMARY 4KPPM

J2-50 J2-42J2-44

RPCVBAT

MALFUNCTIONINDICATOR LP

J2-46

(SES)SOL RLY

J2-4

START

RPCV HI

LIFT/DIVE

J2-35 J2-10

EDU/RPCV

J1-79

TACHCNTL

ECM

IP16F GT 150 280

15326084

D

Mal Ind Lamp1-Page 8A-81A

IP CLUSTER

5

PROD CKMC031ENGINE CONTROLS (LB7)CK EAU X03 &LB7

Friday, July 19, 2002

11:59:45 am

$IVEDWORK/k33020d__009schematic sheet1

k33020d331

009

0.35 TXL

.419BRN/WHT

507

ENG7

50

WHT121.

TXL0.35ENG

1101 LIFT_DIVE

IPC_4KPPM

START_RLY

RDIO_4KPPM817

RPCV_BATABS_128K1827 RPCV_CNTL2219TACH MALF_LP

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_05

D-97PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

IGN0 IGN0

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 6

0.8 7

&YF2/8X5

ENGTXL

.2524BRN

50

806PPL

500.35ENG

7TXL

.

2-Page 8A-30B

STARTING & CHARGING1st Generator

POWER DIST

20A

15A

POWER DIST

10B8A-Page -14PCM-I (Uh Bec)

PCMB (Uh Bec)2-Page 8A-10B

IGN0 (Lh Bec)12-Page 8A-10B

POWER DIST

10A

2nd Generator2-Page 8A-30B

STARTING & CHARGING POWER DIST

10B8A-Page -2PCMB (Uh Bec)

20A

POWER DIST

10A

Crank Start (Uh Bec)12-Page 8A-10B

F TERMMON

J2-52

MON

J2-15

L TERM VIGN 0

J1-75

VBATT B

J1-57

ALTL-2

J1-32

CRANKREQUEST

J1-33 J1-20

VIGN 1

J1-19

VBATT A

BATTERY

ECM

STARTING & CHARGING

30B8A-Page -21st Generator

750

ORN440.

TXL0.8ENG

PROD CKMC031ENGINE CONTROLS (LB7)CK EAU X03 &LB7

Friday, July 19, 2002

11:59:45 am

$IVEDWORK/k33020d__009schematic sheet1

k33020d331

0096

ENG_CRANK

ENG_BAT1

TRNS_PWR11020 ENG_BAT2440LB7_LTERM25

439 ECM_IGN1ALT_L2TERM 23 LB7_FTERM

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_06

D-98PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

POA STEERING COLUMN

047-1

W/ PTO

ETC

&PTO

152-1

PASSLOCK

W/ PTO

CRUISE

W/O PTO

FTP 100-2

PART#

110-4

W/ PTO

WIPER

W/O PTO

W/ PTO

040-1HORN

KEYIN133-1

091-1

STEERWHL

Panel Set: 7

051-1

&PTO

SIR

034-1

IGN

021-2

TRNHZ

PAGE 8A-

W/O PTO

ECM

010-1

020-7

W/O PTO

7

ENG

1271

0.35 TXL

.BRN

50

C

PTO Switch2-Page 8A-23A

PTO PROV PTO PROV

23A8A-Page -2

ENG

1274

0.35 TXL

.TAN

507

PTO Switch

S

L

TXL

.BLU DK

507

ENG

1161

0.35

F

A

750

GRN DK.

TXL0.35

1163

ENG

G

ENGTXL

.84BLU DK

500.35 7 TXL0.35

1164

ENG7

50

WHT/BLK.

ENGTXL

.397GRA

500.35 7

B C

16M GT 150 28015326085

ENGINEA

-PTO

750

BLU DK84.

TXL0.35IP

15326084

IP16F GT 150 280A

Friday, July 19, 2002

11:59:45 am

$IVEDWORK/k33020d__009schematic sheet1

k33020d331

0097

PROD CKMC031ENGINE CONTROLS (LB7)CK EAU X03 &LB7

ENGINE10M GT 150 SLD15336777

E

F

ENG

1273

0.35 TXL

.GRA

507

7

-PTO

IP0.35 TXL

.87GRA/BLK

50

STRG Col Asm - Cruise Cntrl Sw004

NE

UT

RA

L

ON

OF

F

B1 B10

B18

B32

15417597

FNAUPC

eau_cruise_sw

K

.

TXL0.35

1272

ENG7

ETCJPR10F GT 150 SLD12177081

E

50

PPL

DL

7

ENG

1162

0.35 TXL

.BLU LT

50

KD

ENG7

50

YEL/BLK.

TXL0.35

1275

7

&PTO

IP0.35 TXL

.397GRA

507

&PTO

IP0.35 TXL

.84BLU DK

50

PTO PROV

23A8A-Page -2Pto Sw

J2-24

POS SIG 1ON/OFF

J2-12

POS SIG 3

J2-16

5V REF 1C

J1-7J1-65

GND 3

J1-54

GND 2

J1-55

POS SIG 25V REF 1A

J1-47J1-41

GND 1

J1-45

5V REF 2

J1-22

ACCELRESUME/

J1-18

COASTSET/

CRUISE CONNECTED INTERNALLY

G

ECM

Cruise (Lh Bec)

10A

POWER DIST

10B8A-Page -10

B

TXL

ENG70.35 50

GRA/BLK87.

A

.

TXL0.35IP

-PTO

750

GRA397

S

2-Page 8A-23A

PTO PROVPto Sw

Page 8A-21A

ETC

Etc Module3/4-Page 8A-21A

ETC ETC

21A8A-Page -3/4Etc Module

Etc Module3/4-

3/4Etc ModuleEtc Module

3/4-Page 8A-21A

ETCETC

21A8A-Page -3/4Etc Module

Etc Module3/4-Page 8A-21A

ETCETC

21A8A-Page -3/4Etc Module

ETC

21A8A-Page -

J

ETC

21A8A-Page -3/4Etc Module

PPS_RTN11271 PPS_REF31275PPS_RTN31273PPS_SIG21162

11631274 PPS_REF2PPS_RTN212721161 PPS_SIG1

1164 PPS_REF1

CRUZ_ON397

41 CRUISE_SW

84 CRUZ_SET

PPS_SIG3

PTO_SETPTO_ON

J

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_07

D-99PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGN0 VCC VCCIGN0

77

38F GT MXD

NORMAL FLUID LEVEL

7322-1424-40

50

001

.

002

ISUZUTXL

B

fuel_htr

B

FNA

7322-1424-40

Oil Level Sw

508

YAZAKI:

ISUZU

A

001Fuel Heater

TXL

UPC

12129140

FNA

15304900

ISUZU

.

ISUZU

BRN

LOIL_GND

1174

UPC

A6

50

A

FNA

FHTR_GND

NORMAL FLUID LEVEL

.

B

5016

YAZAKI:N.O. HELD CLOSED AT

0.35

239

WIF_GND

0.85

C6

N.O. HELD CLOSED AT

TXL

oil_level_sw

D3

A

PNK

Water In Fuel Sw

UPC

0.35

water_sw

YEL/BLK

Panel Set: 8

M IP16F GT 150 28015326084

.508YEL/BLK

500.35 7

ENGTXL

IGN

4

GND

5

MAF

15324447

FNAUPCmaf_snsrMAF Sensor

001

1

REFLOW

2

TEMP

3

SERIAL DATA LINK

55A8A-Page -1Class II

13Ign1-Fuel Htr (Uh Bec)

15A

POWER DIST

10B8A-Page -

D3

1478.

TXL

ENG70.35 50

GRN LT

TXL

.2931GRA/BLK

500.35 7

ENGTXL

.472TAN

500.35 7

ENG

Gnd Zone #52-Page 8A-14A

GND DIST

8

PROD CKMC031ENGINE CONTROLS (LB7)CK EAU X03 &LB7

Friday, July 19, 2002

11:59:45 am

$IVEDWORK/k33020d__009schematic sheet1

k33020d331

009

15A

POWER DIST

10B8A-Page -14PCM-I (Uh Bec)

0.35 50

BLK552.

TXL

ENG7

.1174BRN

500.8 7

ENGTXL

B

001

15324243 FNAUPClcool_swLow Coolant Sw - L18/LB7

A

MAF

J2-65J2-51

IAT

J2-41

RTNMAF

J1-70

OIL LVL

J1-64

IAT REFLOW

CLASS 2SERIAL A

J1-58 J1-59

CLASS 2SERIAL B LOW COOLANT

J1-30

IN FUELWATER

J1-17

ECM

16M GT 150 28015326085

M ENGINE

1049.

TXL

ENG70.35 50

GRN DK

C60.35 TXL

.710YEL

507

IP

YEL500.35 7

ENGTXL

.710

251A/B-4

TBCJ3-B1

CLASS2-2(WUR)

ENG70.35 50

YEL492.

TXL

38M GT MXD15317380

A6 GMTG

TBC_ENG

CL2_ENG

550 LCOOL_GND1

239 FUEL_HTR 439 MAF_P

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_08

D-100PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

7

.BLU DK/WHT

50

.

EFFECT

0.35

.

HALL

7

ISUZU

.

0.35 0.35

B

h22_hall

1869

FNA

SENSOR

A

GRN LT500.35

A

UPC

.

Gnd B Gnd A

B9

CRANK

B4

632

ISUZU

ISUZU

Crank Sensorh22_hall

7

003

TXL

0.35

1867

ISUZU

ISUZU

50

FNA

70.35

B3

PNK/BLKTXL

UPC

7

EFFECTCAM

SENSOR

.

C

TXL

HALL

50

C

003

12129946

B

50

Cam Sensor

ISUZU

TXL

B1038F GT MXD

12129946

ISUZU

B8

631

15304900

507

Panel Set: 9

B5

TXL

TXLBRN/WHT

1868

RED

YEL/BLK

633

B10

TXL

ENG70.35 50

GRN LT1867.

1531738038M GT MXDGMTGB9

Fuel Pump Rly1-Page 8A-22B

FUEL SNDR/PUMP

B5

1-Page 8A-22B

FUEL SNDR/PUMPSec Fuel Sender

7

ENGTXL

.1869BLU DK/WHT

500.35TXL

ENG70.35 50

BRN/WHT633.

Fuel Tank SenderFUEL SNDR/PUMP

22B8A-Page -1

B4

ENG70.35 50

YEL/BLK1868.

TXL

FUEL PULL UP

RELAYPUMPFUEL

J2-9

FUEL

SEN2

(SEC)

J2-73

LEVEL

(PRI)

SEN1LEVELFUEL

J2-54J2-57

RTNSENSOR

FUEL

CAM SUP

J2-39J2-36

GLOW PLUG WAIT (WTS) CAM SIG

J1-73J1-61

CAM RTN

J1-21

CRANK RTNSUP

CRANK

J1-2 J1-12

CRANKSIG

ECM

B8

470.

TXL

ENG70.5 50

BLK7

ENGTXL

.631RED

500.35

03 &LB7

Friday, July 19, 2002

11:59:45 am

$IVEDWORK/k33020d__009schematic sheet1

k33020d331

0099

PROD CKMC031ENGINE CONTROLS (LB7)CK EAU X

Wait Intake Htr1-Page 8A-81A

IP CLUSTER

8A-Page -1Fuel Sndr Return

FUEL SNDR/PUMP

22B

7

ENGTXL

.465GRN DK/WHT

500.35 7

-NQZ

ENG0.35 TXL

.507BLU DK

50

B3

.632PNK/BLK

500.35 7

ENGTXL

FLVL_PRIM15891936 FLVL_SEC

FLVL_RTN1 PRIM_FRLY

WAIT_START

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_09

D-101PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

GLOW PLUG CONTROLLER

FED

Glow Plug #1

ENABLE

ENG GND

UPC

(Page 10)

(Page 10)

Glow Plug #8glow_plug

FNA

A

A

UPC

001

12020227

A

BAT

001

(Page 2)

12020227

IGN1

A

UPC

TBD

FNA

PLUGS

ISUZU_IGN1

(Page 10)

SPLICE

001UPC

FED

12020227

GLOW

FNA

VERIFY HARNESS

ISUZU

Glow Plug Rly

CAL

38F GT MXD

glow_plug

glow_plugglow_plug

15304900

001

(Page 10)

12020227

A

UPC

FED

A

iah_rly

SPLICE

A4

UPCUPC

GLOW_RLY

glow_plug001

IGN1

IAH Relay

FNA001glow_plug

A2

CAL

C5

glow_plug

A A

12020227

24F GT MXD

12020227

(Page 10)

FNA

(Page 10)FED

A3

glow_plug

12020227

001Glow Plug #7Glow Plug #2

15336174

Glow Plug #4

FNA

UPC

A1

TBD

(Page 10)CAL

001

IAH_ENA

001

UPC FNA

IAH_MON

A5

TBD

glow_plug

(Page 10)

001

Glow Plug #3001

FED

(Page 10)

FNA

IAH_DIAG

(Page 10)

Glow Plug #6

UPC

Ring Terminal

Glow Plug #5

B

12020227

IAH_RLY

BAT_GP

(Page 10)

(Page 10)

IAH_ENA

CAL

BAT_GP

(Page 10)

IAH_MON

UPCiah

(Page 10)

TBD

IAH_DIAG

Panel Set: 10

FNA

IAH_RLY

GLOW_RLY

ISUZU

A

SPLICEGlow Plug Control

FNA

Intake Air Heater

A

D

IGN

CAL

UPC

glow_plg_cntl

001

SPLICE

FNA

B

DIAG

C

FNA

00212146365FNAUPC

Glow Plug Term Relay

12146365

A

B

GMTG38M GT MXD15317380

A3

.5347BRN

500.35 7

ENGTXL

A2A5

1533617324M GT MXDGMTG

STX

ENG11319.0 50

RED1042.

A1

0.8 50

BLU LT506.

TXL

ENG7

PNK500.35 7

ENGTXL

.5349

C5

0.35 50

YEL5348.

TXL

ENG7

A4

10

PROD CKMC031ENGINE CONTROLS (LB7)CK EAU X03 &LB7

Friday, July 19, 2002

11:59:45 am

$IVEDWORK/k33020d__009schematic sheet1

k33020d331

009

ENABLE

J2-6

GLOW PLUGS

J2-62J1-78J1-52

GLOW PLUGSDIAG

J1-29

ECM10B-Page 8A-

POWER DIST

15A

Fuel Htr Ign1 (Uh Bec)13 1

Glow Plug (Batt Fuse)175APOWER DIST

10B8A-Page -

TXL

ENG70.35 50

YEL505.

GLOW_FD

GLOW_MOD239

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_10

D-102PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

PRESS

REF

REFRTN

5V

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

P/N P B CA

IGN0IGN0

BTSI 138-1

&M74/MN8

RPO LEGEND

Panel Set: 11

MTW - LCT 2400 AUTO TRANS

POA NSBU SWITCH

M74 - LCT 1000 AUTO TRANS

20-11030-1

PAGE 8A-ECMSTARTBKUP LP 112-1

PART#

MX4 - LCT 2000 AUTO TRANS

TP_IN

TP_REF

Sensor-A/C Pressure002

15344137

FNAUPCacpres_snsr

1

2

3

&M74

750

ORN/BLK1786.

TXL0.35ENG

HVAC

648A-Page -1A/C Enable Rly

2700.

TXL0.35ENG

&CJ2/CJ3

750

GRA

TCM

27A8A-Page -1PRNDL A

27A

TCMPRNDL B

1-Page 8A-

TCM

27A8A-Page -1PRNDL C

GND DIST

14A8A-Page -1Gnd Zone #4

1-Page 8A- 27A

TCMPRNDL P

11

PROD CKMC031ENGINE CONTROLS (LB7)CK EAU X03 &LB7

Friday, July 19, 2002

11:59:45 am

$IVEDWORK/k33020d__009schematic sheet1

k33020d331

009

.380RED/BLK

507

&CJ2/CJ3

ENG0.35 TXL

J2-34

A/CCLUTCHRELAY

J2-28

V5B REFSNSR

J1-68

SIGNAL

J1-51

V5B RTN

J1-34

PRNDL P

ECM

J1-A J1-B J1-CJ1-DJ2-A

J2-D

J2-J1-

001

1212984012191757

9115A7A

NSBU-Sw Asmnsbu_swtch

7

&M74

ENG0.5 TXL

.771BLK/WHT

50

&M74

750

YEL772.

TXL0.5ENG

0.5ENG

&M74

750

WHT776.

TXL

ENG0.35 TXL

.2751BLK

507

&CJ2/CJ3

ENG0.5 TXL

.773GRA

507

&M74

750

GRN DK/WHT459.

TXL0.35ENG

TCM_A

TCM_B

TCM_C

TCM_P

AC_CLTCH

NSBU_GND451

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_11

D-103PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGN0

TAN

A

.

0.35

A8

BAR

ORN/BLK

C

RAIL

Sensor - Rail Pressure

2918

7

2919

C5

TXLORN/BLK

7

ISUZU

A

BOSCH:

0.3577

UPC

2932

REF

FNA

0.3550TXL

UPC

rail_snsr

50 50

C

WHT/BLK

REFREF

TXL

1 928 403 968

ISUZU0.35

Panel Set: 12

YEL

ISUZU

Sensor - Baro

0.35 50

LOW

ISUZU

433

TXL

5V12129946

TXL

.

38F GT MXDISUZU

ISUZU

1057 .

7

C3

FNA

24F GT MXD

.

B

50

C4

GRA BLKTXL

15304900

LOW001

0.35

REF

A7

001

2917

7

5V

vac_snsr

B

A6

50

ISUZU

ISUZU

15336174

. .

To Conn1-Page 8A-23A

PTO PROV

ENG0.8 TXL

.2522YEL

507

&PTO

Gnd Zone #41-Page 8A-14A

GND DIST

50

ORN/BLK2919.

TXL

ENG70.35

A7

PTO PROV

23A8A-Page -1Splice 2522

.2917TAN

500.35 7

ENGTXL

Gnd Zone #41-Page 8A-14A

GND DIST

ENGTXL

.2562PPL

500.8

&PTO

7

schematic sheet1

k33020d331

00912

PROD CKMC031ENGINE CONTROLS (LB7)CK EAU X03 &LB7

Friday, July 19, 2002

11:59:45 am

$IVEDWORK/k33020d__009

TXL

ENG

&PTO

70.8 50

GRN LT488.

7

ENGTXL

.2932WHT/BLK

500.35

&PTO&M74

750

BLU LT494.

TXL0.8ENG

GND DIST

14A8A-Page -1Gnd Zone #4

PTO PROV

23A8A-Page -1Pto Enable

TXL

ENG70.35 50

YEL2918.

J2-78

RTN

BARO

J2-64

KILLPTO ENG

J2-56

RAILPRESSURE

J2-58

POWER GNDS

D

J2-40

RLY

J2-37

PTOENGAGE

J2-23

RTN

J2-13

PTOFEEDBACK

J2-1

C

J1-71

PTOENABLESWITCH

J1-48

5V REF

J1-46

5V REF

J1-40

B

UPCeau_lb7_ecmLB7 ECM Module

002

1219148812191489

FNA

A

J1-1

J2-J1-

ECM

A624M GT MXD

15336173

A8GMTG C438M GT MXDGMTGC515317380

C3

1057.

TXL

ENG70.35 50

ORN/BLK

PTO PROV

23A8A-Page -1Pto Rly GND DIST

14A8A-Page -1Gnd Zone #4

.433GRA/BLK

500.35 7

ENGTXL

PTO_ENG_DIS

VGND_B451

VGND_C451

PTO_ENABLE

VGND_D451

PTO_FDBK

VGND_A451PTO_ENGAGE

Engine Controls: LB7 – 6.6L Diesel

K33020d_009_12

D-104PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

VREF VCC

12122195

BRNFW-C-6M-B

15336174

ISUZU

7

B E

720

FW-C-6F-BFURUKAWA

UPC

REF0.5

718

7

BLK

ISUZU

fuel_temp

C6

0.5TXL

TXL50

A8

1578

002

50 50

GRA

5VREF

TXL

ISUZU

REF

TXL

OIL

5V

C

0.5

LOW

B

C7

5000A

TEMP

0.5

4000A

D7

.

332

TXL

..

FNA

50

7

D6

50

A

LOW

597

GRA 7TXL

ISUZU

ISUZU

REF

B

7

50

178392-6

C

.

Sensor - Oil Pressure

GRA

A

UPC

Furukawa:

D2

0.5

50

0.5

Sensor Asm-Cool Temp

1530490038F GT MXD

7

ISUZU

TAN/WHT

GRN LT

A

12F

TXL

6189-0099

50

50

LOW

16249939

0.5 ISUZU

REF

.

0.5 7

REFYEL.

003

ISUZU

ISUZUTXL

FNA

15304900

ISUZU

Panel Set: 1

2705

Sensor Asm-Fuel Temp

410

.

PRESSURE

D8

FW-C3F(2)-B

.

12555535

D1

TEMP

2755

50

YEL469

MAP

0.5 TXL

TXL

ISUZU

LOW

Sensor - MapB

2503689812F

ORN/BLK

B

.

.

003

ISUZU

A7

.27557

F

C8

BLK50 50

GRA2705.

A

B EFURUKAWA38M GT MXD

ISUZUF432

0.5 0.5 7

ISUZU

ISUZU

ISUZU

38F GT MXD

TXL

ISUZU

0.57

TXL

004

0.550

332.7

24F GT MXD

7

ISUZUTXL7

Sumitomo:

TAN/WHT

D7

720.

TXL

ENG70.35 50

GRA

A7 C8

1 CKMCEPROD1 14of

005153

k43020dsheet1schematic $IVEDWORK/k43020d__005

3:30:28 pm

Tuesday, December 9, 2003&LLY04 XCK EAU

ENGINE CONTROLS (LLY)

TXL

ENG ENGTXL

.432GRN LT

5070.35 50

GRA597.

0.35 7

GMTG

1531738038M GT MXD

D8 D2

TXL

ENG70.35 50

BRN718.

0.35 50

GRA2705.

TXL

ENG7

C624M GT MXD

C7 GMTG

15336173

70.35 50

TAN/WHT332.

TXL

ENG

YEL500.35 7

ENGTXL

.1578

FUEL TEMPGND

J3-48J2-67

TEMPCOOLANT

OIL

J2-39

GNDPRESS

MAP VAC RTN

J2-30J2-25

OILPRESSSENSE

J2-27

FUEL TEMP

J2-23

MAP SENSE

COOLANT VRTN

J2-14

5V REF 1

J1-39

5V REF 1&2

J1-34

ECM

D638M GT MXD15317380

GMTGD1

TXL

.2755BLK

500.35 7

ENGTXL

ENG70.35

469

A8

50

ORN/BLK.

ENGTXL

.410YEL

500.35 7

Engine Controls: LLY – 6.6L Diesel

K43020d_005_01

D-105PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGN0VCC

IGN0

5V

DC MTR

15336174

Panel Set: 2

-A

DC MTR+A

C5 ISUZUC424F GT MXD

C3B3

UPC

EGR Valve DC Motor/Sensor

A3

FNA04egr_mtr_snsr__001

M

MANUALAUTO

5764OG/BK

SIG

0.5

.

507 7

50ISUZU

GND

ISUZUTXL

.BN/WH

50

.

0.5 0.85 TXL7BLK

2754

TXL

ISUZU ISUZUTXL

50

.

TXL50

GRA2703

AUTO

6195-0021

7

5763

7L-GN/BK

MANUAL

5746.

0.85

&CNV&LB7

ISUZU0.5

.2703GRA

507

ENG0.35 TXL

B3

8A-Page -1Trec Mdl/Trans Case Sw

ENG0.5 TXL

.5764OG/BK

507

TRNSF CASE CNTRL

38A/B/C/D

TXL

.2754BLK

507

ENG0.35

C4

Tcm2-Page 8A- 27A

LCT TRANSMISSION

SA5764

04 &LLY

Tuesday, December 9, 2003

3:30:28 pm

$IVEDWORK/k43020d__005schematic sheet1

k43020d153

00514of2

PROD CKMCE1ENGINE CONTROLS (LLY)CK EAU X

0.5ENG

&M74

ENGTXL

.2466

750

L-GN/BK5746.

TXL

BLU DK500.5 7

TXL

.1694GRA/BLK

500.5 7

&ML6

ENG

LCT TRANSMISSION

27A8A-Page -1Tcm

&M74

ENGTXL

.1694GRA/BLK

500.5

TRANSMISSION

27A8A-Page -1Tcm

7

SA1694

.1694

24M GT MXD15336173

GMTGC5

ENG

&M74

70.5 50

GRA/BLK

GRA/BLK500.5 7

&M74

ENGTXL

1694.

TXL

400.

TXL

ENG

&M74

70.5 50

YEL

&NP2

70.35 50

BLK/WHT1695.

TXL

ENG

&ML6

ENGTXL

.821PPL/WHT

500.5 7

750

OG/BK5764.

TXL0.5ENG

B

LO

TISS

&ML6

70.5 50

GRN LT/BLK822.

TXL

ENG

Trans Output Speed Snsrtrans_speed_senUPC FNA

15359366

003

HI

A

J3-8

FR AXLE SW

TRANS REVERSE SW

J3-45

LOW

J3-23

TOSS

HI

J3-12

EGRGND

J2-8

TRANSFER CASE(4WD HI-LO)

SWITCH

J2-7

DC MTR +B

J2-53

EGR

J2-55

DC MTR -BEGR

J2-35

EGRDC MTR -A

J2-33

DC MTR +AEGR

REQUESTMIL

J2-21

BRAKE SWEXH

J2-11 J1-47

5VVREF

J1-14

SIGNALEGR

ECM

7

ENG0.5 TXL

.5746L-GN/BK

50

750

OG/BK5764.

TXL0.5ENG

Frt Axle SwTRANSFER CASE CNTRL

38B8A-Page -1

C3A3

7

Vehicle B/U1-Page 8A-112A

BACKUP LAMPS

ENG0.5 TXL

.5746L-GN/BK

50TXL0.35

ENG

5763

750

BN/WH.

SA5746

4WD_LO

TRNS_CASE

MIL_REQREV_SW1524

FRT_AXLE

REP_TOSSHI

Engine Controls: LLY – 6.6L Diesel

K43020d_005_02

D-106PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

ISUZU

ISUZU

ISUZU

1-928-403-874

TXL

J1-1

50

INJ #6

IC63

#5

ISUZU

#1Fuel Injector #6

7

844

Fuel Inj

INJ #5

2.0

ISUZU

BOSCH

Fuel Inj

(Page 3)

7

ISUZU

fuel_injector

507

(Page 3)

Fuel Injector #3

ISUZU

J1-45

F_Inj_7

2.0

1-928-403-874

6M6

2.0

.

BOSCH

IC20

IC20

50

IC15

.

846

BOSCH

7

845

Fuel Inj

TXL

J2-94

.

ISUZU50

2832

INJ #5

7 7 7

7

.

INJ #4

ORN/WHT

ORN/WHT

#8#4Fuel Inj

TXL

TXL502.0

GRN LT/PPL

2.0

.

ISUZU2.0

C12

7

IC16

TXL

SPLICE

50

fuel_injector 001

ISUZU

ORN/BLK

7

2.0

BLK

SPLICE

IC61

.

7

Fuel Injector #7

2.0

J1-63

ISUZU

0.75

ISUZU

TXL

1744

0.5

7

50

C8

7

C1

ORN/WHT

TXL

50

GRN LT/WHT

Fuel Injector #2

IC521

X00366M6

50

7TXL TXL

F_Inj_3

(Page 3)

(Page 3)

F_Inj_7

50

INJ #6

50

.

7

6M6

50

IC60

50

SPLICE

.

TXL 7GRN LT/ORN

TXLBLU DK/WHT

.

7

J1-66

ISUZU ISUZUISUZU2.0

IC17

0.5 0.5

TXL

BLU LT/BLK

2.0

ISUZU

Panel Set: 3

TXL

GRN LT/PPL

50

ORN/BLK

50

C2

EDU

J1-59

2.0 7

INJ #7

INJ #2

50

IC14

ISUZU

BLU LT

IC520

X0036

GRN LT/ORN

.

ORN/WHT

GRN LT/ORN.

0.5

ISUZU

ORN/BLK

IC13

50

TXL50

SPLICE

GRN LT/GRN DK7

0.75

TXL

YEL/BLK

.

2.0

50

J1-62

TXL

.

.

ORN/WHT

ISUZU

15304900ISUZU

.

0.5

.

TXL 7

J1-60

2.0

.

1745

J1-44

TXL

0.5

.

ISUZU

7

TXL

J2-120

.

1746

TXL

INJ HI2

7

877BLK/WHT

0.75

.IC13

INJ #6INJ HI1

ISUZU77 TXL

0.35

ISUZU

INJ #4

ISUZU

IC64

50

001

INJ #7

ORN/BLK

.

TXL

J2-121

J1-64

TXL

0.5

6M6

INJ #1

50

J1-48

IC65

J1-67

2.0

TXL

J1-3

X0036

57X SIG OUT

50

.

0.5

INJ #3

GRN LT/REDIC22

TXL

ISUZU

2.0 7

BOSCH

INJ #2

J2-115

B12

2.0

.

50

50

50

.

INJ #3

ISUZU

50

ISUZU

IC18

7

ISUZU

IC60

.

7

50

IC63

50

J2-116

INJ #7

38F GT MXDC11

1-928-403-874

IC60

7

.

TXL

001

7

TXLRED/BLK

B2

1-928-403-874

ORN/BLK

IC21

PNK/BLK

IC62

F_Inj_3

J2-118

ISUZU

.

TXL

IC21

7

J1-47

IC19

fuel_injector

GRN LT/PPL

. .GRN LT

INJ #8

878

J1-61

7

INJ #8

J1-4

ISUZU0.5

0.75

TXL

fuel_injector 001

.

2.0

INJ #1

X0036

B1

ISUZU

GRN LT/BLK

TXL

50

B11

.GRN LT/RED

502.0

50

TXL

GRN LT/BLK

ISUZU

B2

BLU LT/BLK50

7

ENG0.35 TXL

.844

0.35ENG

750

PNK/BLK1746.

TXL

B1

TXL0.35ENG

750

RED/BLK877.

0.35 TXL

.1745GRN LT/BLK

507

ENGENG7

50

B12

BLU LT2832.

TXL0.35ENG

750

BLU DK/WHT878.

TXL0.35

38M GT MXD15317380

GMTGC11

ENG7

50

BLK1744.

TXL0.35

C1

0.35 TXL

.846YEL/BLK

507

ENG

C8 B11

0.35 TXL

.845BLK/WHT

507

ENG

C2

INJ #5

J2-71J2-72

INJ #3 INJ #7

J2-68

INJ #8

J2-69

INJ #4

J2-70J2-63

2X OR 57XSIGNAL OUTPUT

INJ #1

J2-65

INJ #2

J2-66

INJ #6

J2-52

ECM

C12

14of

ENGINE CONTROLS (LLY)

3

PROD CKMCE1CK EAU X04 &LLY

Tuesday, December 9, 2003

3:30:28 pm

$IVEDWORK/k43020d__005schematic sheet1

k43020d153

005

Engine Controls: LLY – 6.6L Diesel

K43020d_005_03

D-107PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

CAN_HI

19

J1-5

BLK/YEL

W/O M74

-M74

TXL

eau_eduLOW

1928403462

POA

CHANGE FOR 2004 LB7

TOP OF TRVL

38F GT MXD

1928403454

W/O M74 W/M74 W/M74

J2-114

30-1

.

M74M74

19

PAGE 8A-

&LLY

ISUZU

TOP OF TRVL

001

J2-90

HIGH

BOTTOM OF TRVL

19

CNV - CONTROL INTERIM

339

IZ18

PNK

FNA

2.0

RPO LEGEND

BLK/GRN DK

IGN1

A4

C1

2.5 2.5

ISUZU

TXL

B1

TXL

44-220-4

ISUZU

Panel Set: 4

50

Edu - Isuzu

15304900

2.0

.

ISUZU

J2-119

15336174

M74 - LCT 1000 AUTO TRANS

EDU

ISUZU

IZ17

J2-91

J1-

50

J1939

MG5/MW3 - MANUAL TRANS

19PNK

50

339

SPLICE

.

ISUZU

(Page 10)

SPLICE

CLTCH SW

TXL

24F GT MXD

(Page 10)

50

CAN_LO

ISUZU

IGN1

BOSCH:

J1-2

70.5 TXL

.2361YEL

A5

ISUZUTXL

2362

500.5

.GRN DK

.

UPC

GND A

&LLY

J2-GND B

507

-M74

BRKCLTCH

1533620512F GT 150/280

K

&M74

750

YEL2361.

TXL0.5ENG

BRAKES

44A/B/C8A-Page -5/2/2Abs/Vses

507

&M74

ENG0.5 TXL

.2361YEL

PPL500.35 7

ENGTXL

.420

&M74

750

GRN DK2362.

TXL0.5ENG

48.

TXL

ENG

&ML6

70.35 50

GRA

&M74

ENG0.5 TXL

.2362GRN DK

507

Can Link1-Page 8A- 27A

TRANSMISSION

1EDU (Uh Bec)

25A

POWER DIST

10B8A-Page -

C1

14of4

PROD CKMCE1ENGINE CONTROLS (LLY)CK EAU X04 &LLY

Tuesday, December 9, 2003

3:30:28 pm

$IVEDWORK/k43020d__005schematic sheet1

k43020d153

005

SA2362

TRANSMISSION

27A8A-Page -1Can Link

EXTERIOR LIGTHING

110A/B8A-Page -2Blk Asm - Ubec Stop Lp

&ML6-JF4

IPTXL

.48GRA

500.35 7

19

ENG2.0 TXL

.339PNK

50

2362.

TXL0.5ENG

&M74

750

GRN DK

50

BLU LT1320.

TXL

ENG

-NW7

70.5

SA2361

IPB1532608416F GT 150/280 Sld

1533617324M GT MXDGMTGB1

SWITCHCLUTCH

J3-47

(CRUISE DISABLE)ETC/TCCBRAKE

J2-61

BRAKELAMP

J2-60

SWITCH

CRUISEJ1939

LOW

J1-2

ECM

HIGH

J1-1

ENG0.5 TXL

.2361YEL

507

&M74

ENG0.5 TXL

.2362GRN DK

507

-M74

ENG0.5 TXL

.2361YEL

507

-M74

GMTGA51531738038M GT MXD

A4

Abs/Vses (Uh Bec 420)5/3/1-Page 8A-44A/B/C

BRAKES

50

GRA48.

TWP

BRKCLTCH

=&LLY&ML6-JF4

70.35

IP

1533620912M GT 150/280

K

B1532605716M GT 150/280 SldENGINE

-Page 8A-10B

POWER DIST

25A

EDU (Uh Bec)1

1750A12E

Man Cltch Sw-Top Of Trvl #1cltch_sw_top 002

12064860

E

F

2362(Page 4)

EDU_J-EDU_J+

(Page 4)2361

EDU_J-

(Page 4)(Page 4)

EDU_J+

ETC_STOP

CLTCH_SW441EDU_PWR1 339 EDU_PWR2 CANLOCANHI

BRK_SW

Engine Controls: LLY – 6.6L Diesel

K43020d_005_04

D-108PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

IP UPFIT IP BODY INFOJMPR

IP

817 817 817 817 817

817

SA817

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGN0 IGN0 IGN0

Gnd B

&CNV&LB7

S50

YEL

Rail PSI Cntl Solenoid

7

Panel Set: 5

&LLY

PPL/WHT50

.

TXLTXL

ISUZU

C9

7

1530490038F GT MXD

.

001

2834

50ISUZU

0.85

A

C10

rail_solenoid

BOSCH: 897208 073Y

B

0.85

2530

0660A8D

0.5

&CNV&LB7

.

TXL

ISUZU

IZ07

ISUZU

7

12194035

J1-A10

J1-B9

J1-E6 J10-JJ6-D J9-C

15357030

Blk Asm - Mbec VSS (4K PPM)mbec_817UPC FNA

12193905

001

12194033

ENG0.5 TXL

.2530PPL/WHT

507

0.35 TXL

.419BRN/WHT

507

ENG

.1039PNK

500.5 7

ENGTXL

IP7

50

GRN DK/WHT817.

TWP0.35

Malf Ind Lp1-Page 8A-81A

IP CLUSTER

IP CLUSTER

81A8A-Page -14kppm Signal

16M GT 150/280 Sld15326057

D

8A-44A/B/C

ABS/TRAC CNTRL

ENG

Elec Brake Mod1-Page

1531738038M GT MXDGMTGC9

sheet1

k43020d153

00514of5

PROD CKMCE1ENGINE CONTROLS (LLY)CK EAU X04 &LLY

Tuesday, December 9, 2003

3:30:28 pm

$IVEDWORK/k43020d__005schematic

Radio Module1-Page 8A-150C

INFOTAINMENT-PREMIUM

Rpcv Rly (Uh Bec)1-Page 8A-10B

POWER DIST

0.5 50

PNK1039.

TXL

ENG7

-Page 8A-10B

POWER DIST

15A

Ecm Rpcv (Uh Bec)1

GRN DK/WHT817.

TXL0.35IP

750

TXL

.1827YEL/BLK

507

ENG0.35

.817GRN DK/WHT

507

ENG0.35 TXL

SA2834

2834YEL

507

ENG0.5 TXL

.

0.5 50

PNK1039.

TXL

ENG7

STARTING & CHARGING

30B8A-Page -1Starter Rly

1039PNK

500.5 7

ENG

IP16F GT 150/280 Sld

15326084

D

TXL

.

C10

750

YEL2834.

TXL0.5ENG

12F GT 150 280E

1Ecm Rpcv (Uh Bec)

15A

POWER DIST

10B8A-Page -

CHASSIS

15373533SA2530

750

PPL/WHT2530.

TXL0.5ENG

LIFT/DIVE

J3-9 J3-37

MALFUNCTIONINDICATOR LP

J3-40

(SES)

START

J3-35

SOL RLY

TACH A

J3-10J3-14

BDC EGR MTR

RPCV HI

J1-56

RPCVBATT2

J1-51

RPCV LOA

J1-52

EDU/RPCVCNTL

PRIMARY4KPPM

J1-53 J1-54

B

J1-46

SECONDARY128KPPM

RPCV HIA

J1-42

RPCVBAT

J1-37

BRPCV LO

J1-40

ECM

750

YEL2834.

TXL0.5ENG

121.

TXL0.35ENG

750

WHT

ENG0.5 TXL

.2530PPL/WHT

507

ENG0.35 TXL

.625YEL/BLK

507

IP CLUSTER

81A8A-Page -12ppm Tach Sig

ENG

1537354712M GT 150 280

E

SC1039

1039 RPCV_BAT2RPCV_CNTL2219

IPC_4KPPM

START_RLY

RDIO_4KPPM817

RPCV_BATABS_128K1827TACH MALF_LP

Engine Controls: LLY – 6.6L Diesel

K43020d_005_05

D-109PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGN0 IGN0

&LLY&LLY &LLY

&LLY

Panel Set: 6

&LLY

14of6

PROD CKMCE1ENGINE CONTROLS (LLY)CK EAU X04 &LLY

Tuesday, December 9, 2003

3:30:28 pm

$IVEDWORK/k43020d__005schematic sheet1

k43020d153

005

SA439

7

12-Page 8A-10B

POWER DIST

10A

TXL

.439PNK

500.5ENG

7

ENG0.5 50

PNK439.

TXL

IGN0 (Lh Bec)

.2524BRN

50

1st Generator2-Page 8A-30B

STARTING & CHARGING

0.8 19

&YF2/8X5

ENGWXC

20A

POWER DIST

10B8A-Page -2Ecm Fuse (Uh Bec)

Ecm Fuse (Uh Bec)2-Page 8A-10B

POWER DIST

20A

10B8A-Page -14PCM-I (Uh Bec)

15A

POWER DIST2nd Generator

2-Page 8A-30B

STARTING & CHARGING

Crank Start (Uh Bec)12-Page 8A-10B

POWER DIST

10A

TXL

.806PPL

500.35ENG

7

CRANKREQUEST

J3-18J2-57

ALTL-2MON

J2-4

L TERM

VBATT B

J1-5J1-41

F TERMMON MONITOR

VBATT A

BATTERY

J1-20J1-18

VIGN 0IGN 1

J1-19

START RUN

J1-10

ECM

IGN 1

1st GeneratorSTARTING & CHARGING

30B8A-Page -2

WXC0.8ENG

1950

ORN440.

439 ECM_IGN1

TRNS_PWR21020LLY_LTERM25 ECM_BAT2440

23 LLY_FTERM

ENG_CRANK

ECM_BAT1ALT_L2TERM

Engine Controls: LLY – 6.6L Diesel

K43020d_005_06

D-110PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

020-7

PASSLOCK

IGN

CRUISE

PAGE 8A-

034-1

W/ PTO

FTP

PART#

W/O PTO

051-1

040-1

WIPER

Panel Set: 7

&PTO

021-2

W/ PTOW/O PTO

110-4

ETC

HORN

133-1

W/ PTO

100-2

W/O PTO

152-1047-1SIR

TRNHZ

KEYIN

W/O PTO

W/ PTO

STEERWHL

010-1

ECM091-1

POA STEERING COLUMN

&PTO

750

GRN DK.

TXL0.35

1163

ENG

B10

B18

B32

004

NE

UT

RA

L

ON

OF

F

15417597

FNAUPCeau_cruise_swSTRG Col Asm - Cruise Cntrl Sw

B1

ENG

1273

0.35 TXL

.GRA

507

1164

ENG7

50

WHT/BLK.

TXL0.35

10A

POWER DIST

10B8A-Page -10Cruise (Lh Bec)

G16M GT 150/280 Sld15326057

ENGINEA

15326084

IP16F GT 150/280 SldA

ENG

1161

0.35 TXL

.BLU DK

507

J

C

PTO PROV

23A8A-Page -2Pto Sw

.

TXL0.35

1272

ENG7

K

50

PPL

D

Pto Sw2-Page 8A-23A

PTO PROV

ENGTXL

.397GRA

500.35 7BLU DK

500.35 7

ENGTXL

.84

.397GRA

507

&PTO

IP0.35 TXL

C

7

ENG

1162

0.35 TXL

.BLU LT

50ENG

1274

0.35 TXL

.TAN

507

AF ENGINE10M GT 150 SLD15336777

E

BS

ENGINE CONTROLS (LLY)CK EAU X04 &LLY

Tuesday, December 9, 2003

3:30:28 pm

$IVEDWORK/k43020d__005schematic sheet1

k43020d153

005

-PTO

750

BLU DK84.

TXL0.35IP

E

14of7

PROD CKMCE1

D IP10F GT 150 SLD12177081

Pto SwPTO PROV

23A8A-Page -2

BRN50

7

ENG

1271

0.35 TXL

.

50

YEL/BLK.

TXL0.35

1275

ENG770.35 50

GRA/BLK87.

TXL

ENG

B

K

J3-30

ON/OFF

J3-19

COASTSET/

J3-22

ACCELRESUME/

J2-56

GND 3GND 2

J2-54

GND 1

J2-40 J2-24

POS SIG 3

J2-19

POS SIG 1 5V REF 1C

J1-36

CRUISE 12V

J1-38 J1-32

5V REF 1A

J1-28

POS SIG 2 5V REF 2

J1-17

ECMCRUISE CONNECTED INTERNALLY

G

2-Page 8A-23A

PTO PROVPTO Switch

FL

-PTO

750

GRA397.

TXL0.35IP

ETC

21A8A-Page -3/4Etc Module Etc Module

3/4-Page 8A-21A

ETC

ETC

21A8A-Page -3/4Etc Module

Etc Module3/4-Page 8A-21A

ETC

.84BLU DK

507

&PTO

IP0.35 TXL

Etc Module3/4-Page 8A-21A

ETC

IP0.35 TXL

.87GRA/BLK

507

-PTO

Etc Module3/4-Page 8A-21A

ETCETC

21A8A-Page -3/4Etc Module

ETC

21A8A-Page -3/4Etc Module

S

A

JL

ETC

21A8A-Page -3/4Etc Module

PPS_REF2

PPS_REF1 PPS_SIG21162

PPS_RTN21272

PPS_REF31275

1161 PPS_SIG1 1274

PPS_RTN31273

PPS_SIG31163

PPS_RTN11271 1164

PTO_ON

CRUZ_ON397

84 CRUZ_SET

41 CRUISE_SW

PTO_SET

Engine Controls: LLY – 6.6L Diesel

K43020d_005_07

D-111PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

VCC VCCIGN0 IGN0

FW-C-6M-B

YEL500.5 0.5 50

LT GRN/WHT

SPLICE

.1174

38M GT MXD

UPC

D3

BRN50

ISUZU

7

ISUZU ISUZU7

50

BLUTXL

7TXL

A

TXL

ISUZUFURUKAWA

TXL

.IC91 IC96.

Oil Level Sw

1174

B

TXL

&LLY &LLY

7322-1424-40

50

water_swWater In Fuel Sw

7322-1424-40

50

N.O. HELD CLOSED AT

PNK7

ISUZU

C6

A

FNA001

oil_level_swfuel_htr

0.5

NORMAL FLUID LEVEL

NORMAL FLUID LEVEL

239

WIF_GND

7

LOIL_GND

YEL/BLK.

A

38F GT MXD

UPC

ISUZU

50TXL

12129140

N.O. HELD CLOSED AT

FNA

ISUZU

.

ISUZUA

B

001

TXL

BRN

2.0

FHTR_GND

0.5

YAZAKI:

508

Panel Set: 8

002

B

15304900

.

YAZAKI:FNAUPC

ISUZU7

Fuel Heater

7

0.5

&LLY

IC69.

FW-C-6F-B

A6

A ISUZUFURUKAWA

1.25

7

ENGTXL

.5081049.

TXL

ENG70.35 50

GRN DK YEL/BLK500.35

D3

710

BRN500.8 19

ENGWXC

.1174

YEL500.35 7

ENGTXL

.

7

ENGTXL

.472TAN

500.35

FNAUPClcool_swLow Coolant Sw - L18/LLY

A

B

ENG70.35 50

BLK552.

TXL

001

15324243

ENGTXL

.2931GRA/BLK

500.5 7

13Ign1-Fuel Htr (Uh Bec)

15A

POWER DIST

10B8A-Page -0.35 50

GRN LT1478.

TXL

ENG7

SERIAL DATA LINK

55A8A-Page -1Class II - IP Star

492.

TXL

ENG70.5 50

YEL

C6

14of8

PROD CKMCE1ENGINE CONTROLS (LLY)CK EAU X04 &LLY

Tuesday, December 9, 2003

3:30:28 pm

$IVEDWORK/k43020d__005schematic sheet1

k43020d153

005

GMTG38M GT MXD15317380

A6

IP16F GT 150/280 Sld15326084

M

IAT

J3-24

IAT REF

J2-58

LOW

LOW COOLANT

J2-38

RTN

J2-26

OIL LVL

J2-29

MAF

IN FUELWATER

J2-17

CLASS 2SERIAL A

J1-15 J1-16

CLASS 2SERIAL B MAF

J1-13

ECM

8A-Page -14PCM-I (Uh Bec)

15A

POWER DIST

10B

2-Page 8A-14A

GND DISTGnd Zone #5

5

MAF

15324447

FNAUPCmaf_snsrMAF Sensor

001

1

REFLOW

2

TEMP

3

IGN

4

GND

16M GT 150/280 Sld15326057

M ENGINE

CL2_ENG

550 LCOOL_GND1

239 FUEL_HTR 439 MAF_P

Engine Controls: LLY – 6.6L Diesel

K43020d_005_08

D-112PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

0.5ISUZU

ISUZU

7

IC172GY/BK

50TXL

.

FFPS_GND

.

0.5

ISUZU 2

TXL

&LLY

CRANK

50

.

24F GT MXD15336174

RED633

TXL

15304900

C2

&LLY

PNK/BLK7

EFFECT

50

YEL/BLK

7

h22_hall

ISUZU

50

12129946

B9

003

12129946

B5

.

Gnd A

SENSOR

1869

0.5BRN/WHT

CAM

C

B10

TXL

UPC UPC

ISUZU50

B

h22_hall

SENSOR

1867

7

Crank Sensor

7

TXL

Cam Sensor

0.5

631

Panel Set: 9

BLU DK/WHT

38F GT MXD

CA A

EFFECT

TXL

.

HALL

ISUZU

FNA

507 0.5 TXL

FNA

632 .ISUZU

50

FUEL FILTER PRESSURE SWITCH

003

1868

GRN LT

B8B4

04_fuel_pres_sw__001

Gnd B

ISUZU0.5

B

7

.

HALL

B3

UPC

0.5

FNA

A

B

ISUZU

GMTG

1533617324M GT MXD

C2

TXL

.507BLU DK

507

ENG0.35

Fuel Sndr ReturnFUEL SNDR/PUMP

22B8A-Page -1Fuel Pump Rly

1-Page 8A-22B

FUEL SNDR/PUMP

Fuel Tank SenderFUEL SNDR/PUMP

22B8A-Page -1

1867.

TXL

ENG70.35 50

GRN LT

B4

14of9

PROD CKMCE1ENGINE CONTROLS (LLY)CK EAU X04 &LLY

Tuesday, December 9, 2003

3:30:28 pm

$IVEDWORK/k43020d__005schematic sheet1

k43020d153

005

1531738038M GT MXDGMTGB9

7

ENGTXL

.631RED

500.35ENG

70.5 50

BLK470.

TXL

B8

BLU DK/WHT500.35 7

ENGTXL

.1869

Wait Intake Htr1-Page 8A-81A

IP CLUSTER

0.35 50

BRN/WHT633.

TXL

ENG7

FUEL SNDR/PUMPSec Fuel Sender

1-Page 8A-22B

J3-5

CAM SIG

J3-51 J3-52

CRANKSIG

J3-43

CRANK RTN

FUEL

J2-64

RTNSENSOR

J2-28

CRANKSUP

J1-8

CAM RTNCAM SUP

J1-50J1-44

PUMPRELAY

FUEL PULL UP

FUEL

J1-43

SEN2

(SEC)

LEVELFUEL FUEL

J1-30

(PRI)

SEN1LEVEL

J1-26

GLOW PLUG WAIT (WTS)

ECM

B5

70.35 50

YEL/BLK1868.

TXL

ENG

PNK/BLK500.35 7

ENGTXL

ENG

B3

.632

TXL

.5765GY/BK

500.35 7

B10

TXL

.465GRN DK/WHT

500.35 7

-NQZ

ENG

1936 FLVL_SEC1 FLVL_PRIM11589

PRIM_FRLYFLVL_RTN1

WAIT_START

Engine Controls: LLY – 6.6L Diesel

K43020d_005_09

D-113PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

ENG GND

GLOW PLUG CONTROLLER

BAT

B

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

FW-C-6M-B

J1-FCI CONN 6-041-26-01

50

ISUZUC

FURUKAWAC

AEX-

0.5 XXX-

.HB01

AEX-

HB18WHT/BLU DK

ISUZU

AEX-

WHT/GRN LTHB16.

AEX-2.0

12020227

50ISUZU

ISUZUFW-C-6F-BFURUKAWA

WHT/GRN

38M GT MXD

ISUZU

2.0

2.0 AEX-

.

MT

.

RED/WHTHB13

50MT

ISUZUMT

.HB15RED/GRN LT

50MT

.

MT

2.0MT50

50

HB12..

AEX-0.85

A

50

.

AEX-2.0

2.0

AEX-ISUZUMT

SBHB03

12020227

YEL

ISUZU

2.0

2.0

.HB14WHT/YEL

ISUZUAEX-

50

RED/BLU DKHB17

A

RED/GRN50

A1

12020227

ISUZUMT

12020227

glow_plugglow_plugGlow Plug #1

J1-4J1-7

A A

12020227

UPC

J1-1J1-10 J1-2 J1-3

FNA

15304900

FNA

Glow Plug #4001

A

Glow Plug #8

UPC001

Glow Plug #2

12020227

FNAglow_plug

FNA

A

001UPC

001FNAUPC

001Glow Plug #3 Glow Plug #5 Glow Plug #7

FNAglow_plugUPC

A2

12020227

glow_plug glow_plug001

Panel Set: 10

12020227

A

FNA

DIAG

38F GT MXD

&LLY

UPCUPC

DIAG

Glow Plug #6

UPC

ISUZU

J1-12

FNA001

(Page 4)

J1-12 J1-6

001

CAN_HI

(Page 4)CAN_LO

glow_plug

A

glow_plug

J1-6

HB11

50XX

MT

ISUZU

ISUZU

ENG GND C

J1-8J1-9

IGN

SA1042

TXL

ENG70.35 50

YEL505.

A1

FUSELINK

.1042RED

508.0 37

ENG

Fuel Htr Ign1 (Uh Bec)13 1

Glow Plug (Mega Fuse)

175A

POWER DIST

10B8A-Page -10B-Page 8A-

POWER DIST

15A

13319.0 50

RED1042.

STX

ENG

Glow Plug Control

FNA UPC

glow_plg_mdl 003

J2-15443870

J2-1

ON

J3-54

GLOW PLUGSDIAG

J2-22

GLOW PLUGS

ECM

14of10

PROD CKMCE1ENGINE CONTROLS (LLY)CK EAU X04 &LLY

Tuesday, December 9, 2003

3:30:28 pm

$IVEDWORK/k43020d__005schematic sheet1

k43020d153

005

38M GT MXD15317380

A2 GMTG

GLOW_FDGLOW_MOD239

Engine Controls: LLY – 6.6L Diesel

K43020d_005_10

D-114PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

PRESS

REF

REFRTN

5V

P/N PB CA

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGN0 IGN0 IGN0

1650

TN/WH7

50

L-GN/WH

ISUZU0.5PK/BK

ISUZU0.85 50

PU/WH5775.

YE/BK50

16

ISUZU160.85

5777.

TXLTXL

.5774

507 0.85

ISUZU

5773

0.5ISUZU

TXL

.5776

B6

.

TXL TXL

Panel Set: 11

B6

FNA

04vnt_pos_sen__001UPC FNA

B C

A

B7

VREF

BKUP LP 112-1

LO

04vnt_sol__001

15336174

B5

RTN

SIGNAL

Vnt Position Sensor

MX4 - LCT 2000 AUTO TRANS

STARTECM

POA NSBU SWITCH

M74 - LCT 1000 AUTO TRANS

&M74

MTW - LCT 2400 AUTO TRANS

138-1

20-11

BTSI

24F GT MXD

030-1

RPO LEGEND

PAGE 8A-

UPC

VNT SOLENOID

HI

PR-1A06607009

PART#

B4

PINS?CONN?

ISUZU

B6B8

Sensor-A/C Pressure002

15344137

FNAUPCacpres_snsr

1

2

3

TP_IN

TP_REF

750

WH5931.

TXL0.5ENG

HVAC

64A8A-Page -1A/C Enable Rly

45 6

7

8

001

15416722

9115A7A

NSBU Sw - Decoder (Other Engines)nsbu_decoder_others

3

.5930DK BLU

507

ENG0.5 TXL

ENG0.35 TXL

.380RED/BLK

507

&CJ2/CJ3

B5

0.5ENG

&M74

750

YEL772.

TXL

.5929OG/BK

500.5 7

ENGTXL

153

005

TXL0.35ENG

14of11

PROD CKMCE1ENGINE CONTROLS (LLY)CK EAU X04 &LLY

Tuesday, December 9, 2003

3:30:28 pm

$IVEDWORK/k43020d__005schematic sheet1

k43020d

&M74

750

ORN/BLK1786.

0.5 TXL

.773GRA

507

&M74

ENG

BLK/WHT50

7

&M74

ENG0.5 TXL

.771

24M GT MXD15336173

GMTGB4

PRNDL P1-Page 8A- 27A

TCM

ENG70.5 50

YE5947.

TXL

TCM

27A8A-Page -1PRNDL A

J3-41

A/CCLUTCHRELAY

J3-31

PRNDL P

PRESSAC

J3-33

SIGNALSNSR

J3-20

AC REQUEST

SOLENOID

J2-50

LO

FILTERFUEL

J2-47

SOLENOID

J2-49

VNT

HI

VNT

J2-44

VNT POSITION

RTN

SENSOR

VNT VALVESIGNAL

J2-31

VNT VALVEPRESSAC LO

J2-34J2-20

F FILTERRTN

J2-13

V5B RTN

J1-23 J1-21

V5B REF

VREF2

J1-22

VREF2

ECM

&CJ2/CJ3

750

GRA2700.

TXL0.35ENG

PRNDL B1-Page 8A- 27A

TCM

ENG0.35 TXL

.2751BLK

507

&CJ2/CJ3

B7

ENG70.5 50

TN5928.

TXL

GND DIST

14A8A-Page -1Gnd Zone #4

TCM

27A8A-Page -1PRNDL C

750

WHT776.

TXL0.5ENG

&M74

750

GRN DK/WHT459.

TXL0.35ENG

TCM_B

TCM_C

TCM_P

TCM_A

NSBU_GND

AC_CLTCH

451

Engine Controls: LLY – 6.6L Diesel

K43020d_005_11

D-115PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IGN0

BAR

.

ISUZU

Gnd A

A8

REF

S

7

Sensor - Baro

12129946

LOW

TXL TXLORN/BLK

ISUZU

ISUZU0.5 0.5

B

1057

FNA

5V

TAN50

C3

ISUZU

.

15336174

50

UPC

C4

750

GRA BLK

001

7

.

B

0.5TXL

ISUZU

.

15304900

REF

C5

FNA

ISUZU

vac_snsr LOW

WHT/BLK

897208 076Y

0.5 TXL

24F GT MXD

TXL

BOSCH:

2918

UPC

0.57

A

50

C

Sensor - Rail Pressure

YEL50

38F GT MXD

50

REF

7

A6

2932

ISUZU

0.5

REF

.2917ORN/BLK

2919

7

C

ISUZU

A

.

001

Panel Set: 12

433

rail_snsr

RAIL

TXL

5V

A7

Gnd Zone #41-Page 8A-14A

GND DIST

C4

.2932WHT/BLK

50

3:30:28 pm

$IVEDWORK/k43020d__005schematic sheet1

k43020d153

005

0.35 7

ENGTXL

14of12

PROD CKMCE1ENGINE CONTROLS (LLY)CK EAU X04 &LLY

Tuesday, December 9, 2003

8A-Page -1Splice 2522PTO PROV

23A

C3

50

YEL2918.

TXL

ENG70.3570.35

.2522YEL

5019

&PTO

50

ORN/BLK2919.

TXL

ENG

1Pto Rly GND DIST

14A8A-Page -1Gnd Zone #4

ENG0.8 WXC

PTO PROV

23A8A-Page -

&PTO&M74

1950

BLU LT494.

WXC0.8ENG

A7

Gnd Zone #41-Page 8A-14A

GND DIST

GMTG24M GT MXD

15336173

A8

TXL

.433GRA/BLK

500.35 7

ENG

A6

.2562PPL

500.8

&PTO

19

ENGWXC

Pto Conn1-Page 8A-23A

PTO PROV

.2917TAN

500.35 7

ENGTXL

GMTGC51531738038M GT MXD

PTOENABLESWITCH

J3-6

POWER GNDS

4

J3-44

RLY

J3-39

PTOENGAGE

J3-17

PTOFEEDBACK

1

J2-73

KILLPTO ENG

J3-1 J2-46

SIGNALRAIL

J2-42

PRESSUREBARO

J2-36

3

J2-2

RTN

J1-7

RTN

J1-9

2

J1-31

5V REF 5V REF

J1-33

ECM

0.8 50

GRN LT488.

GND DIST

14A8A-Page -1Gnd Zone #4

WXC

ENG

&PTO

19

PTO PROV

23A8A-Page -1Pto Enable

50

ORN/BLK1057.

TXL

ENG70.35

LLY_GNDA451

LLY_GNDB451

LLY_GNDC451

PTO_ENG_DIS

PTO_ENABLE

LLY_GNDD451

PTO_FDBK

PTO_ENGAGE

Engine Controls: LLY – 6.6L Diesel

K43020d_005_12

D-116PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

M THROTTLE POSITION #2THROTTLE POSITION #1

&L18/KUP/JF4-LB7/LLY

SNSR CKTS ARE GOLD PLATED

&L18/KUP/JF4-LB7/LLY

Panel Set: 1

ALL GEN3 GET ETC THRU KUP RPO

NOTE

NOTE

ENG0.5 TXL

.1320BLU LT

507

-LB7/LLY

0.8 TXL

.581YEL

507

-LB7/LLY

ENG

134

0101

PROD CKMCE1ELECTRONIC THROTTLE CONTROLCK EAU X03 &L18/JF4/KUP

Monday, September 9, 2002

8:47:25 am

$IVEDWORK/k33021a__010schematic sheet1

k33021a

0.35ENG

-LB7/LLY

750

BLU LT/BLK1688.

TXL

Pcm

0.35 TXL

.486PPL

507

-LB7/LLY

ENG

ENGINE CNTLS

20A/B8A-Page -8/12Pcm

ENGINE CNTLS

20A/B8A-Page -8/12

EXT LIGHTINGUh Bec - 1320

2-Page 8A-110A2ETC (Uh Bec)

15A

POWER DIST

10A8A-Page -

GND DIST

14A8A-Page -2Gnd Zone #5

TPS1 5V DC 2

E F

TPS2TPS1

GH

5V DC 1001

15326836

FNAUPCthrposns_actmtrThrottle Pos Snsr/Actuator Mtr

A

MTR1 RTN

TPS2

B

MTR

C

2 RTN

D

-LB7/LLY

ENG

ORN/BLK50

7

-LB7/LLY

ENG

0.35 TXL

.1704BLK/WHT

507

-LB7/LLY

750

BLU DK/WHT774.

TXL0.350.35 TXL

.1061

.

TXL0.35ENG

-LB7/LLY

750

GRA416

ENG

ENG0.35 TXL

.452BLK

507

-LB7/LLY

BLS

J1-7

IGN1

MOTOR 2

J1-8 J1-9

5V DC 2

J1-2

5V DC 1 RTN

J1-3

TPS1

J1-6

TPS2

ETCA

J1-12

ETCB

J1-13

GND

J1-15 J1-16

MOTOR 1

ETC MODULE

J1-1

TPS1 RTN

J1-10

TPS2

J1-11

.582

TXL0.35ENG

-LB7/LLY

750

GRN DK485.

BRN50

7

-LB7/LLY

ENG0.8 TXL

1339 ETC_FD

550 ETC_GND

ETC_STOP ETC_BETC_A

Engine Controls: LLY – 6.6L Diesel

K43020d_005_13

D-117PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

M THROTTLE POSITION #2THROTTLE POSITION #1

&L18/KUP/JF4-LB7/LLY

SNSR CKTS ARE GOLD PLATED

&L18/KUP/JF4-LB7/LLY

Panel Set: 1

ALL GEN3 GET ETC THRU KUP RPO

NOTE

NOTE

ENG0.5 TXL

.1320BLU LT

507

-LB7/LLY

0.8 TXL

.581YEL

507

-LB7/LLY

ENG

134

0101

PROD CKMCE1ELECTRONIC THROTTLE CONTROLCK EAU X03 &L18/JF4/KUP

Monday, September 9, 2002

8:47:25 am

$IVEDWORK/k33021a__010schematic sheet1

k33021a

0.35ENG

-LB7/LLY

750

BLU LT/BLK1688.

TXL

Pcm

0.35 TXL

.486PPL

507

-LB7/LLY

ENG

ENGINE CNTLS

20A/B8A-Page -8/12Pcm

ENGINE CNTLS

20A/B8A-Page -8/12

EXT LIGHTINGUh Bec - 1320

2-Page 8A-110A2ETC (Uh Bec)

15A

POWER DIST

10A8A-Page -

GND DIST

14A8A-Page -2Gnd Zone #5

TPS1 5V DC 2

E F

TPS2TPS1

GH

5V DC 1001

15326836

FNAUPCthrposns_actmtrThrottle Pos Snsr/Actuator Mtr

A

MTR1 RTN

TPS2

B

MTR

C

2 RTN

D

-LB7/LLY

ENG

ORN/BLK50

7

-LB7/LLY

ENG

0.35 TXL

.1704BLK/WHT

507

-LB7/LLY

750

BLU DK/WHT774.

TXL0.350.35 TXL

.1061

.

TXL0.35ENG

-LB7/LLY

750

GRA416

ENG

ENG0.35 TXL

.452BLK

507

-LB7/LLY

BLS

J1-7

IGN1

MOTOR 2

J1-8 J1-9

5V DC 2

J1-2

5V DC 1 RTN

J1-3

TPS1

J1-6

TPS2

ETCA

J1-12

ETCB

J1-13

GND

J1-15 J1-16

MOTOR 1

ETC MODULE

J1-1

TPS1 RTN

J1-10

TPS2

J1-11

.582

TXL0.35ENG

-LB7/LLY

750

GRN DK485.

BRN50

7

-LB7/LLY

ENG0.8 TXL

1339 ETC_FD

550 ETC_GND

ETC_STOP ETC_BETC_A

Electronic Throttle Control

K33021a_010_01

D-118PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

PAGE 8A-138-1

HORN

034-1

PART#BTSICRUISE

010-1

TRNHZ

=&PTO =&PTO040-1IGN

ALL TERMINALS IN J1

091-1

047-1SIR133-1

Panel Set: 2

KUP - ELECT THROTTLE CNTRL

ARE GOLD PLATED

152-1

FTP

WIPER110-4

L18 - ENGINE GAS, 8 CYL, 8.1LNW7 - TRACTION CONTROLJF4 - ELECT ADJUSTABLE PEDAL

RPO LEGEND

PASSLOCK133-3KEYIN

100-2

POA STEERING COLUMN

STEERWHL

NOTE

Pto SwPTO

23A8A-Page -2

ENG

15326085

L

16F GT 150 28015326084

IPL

16M GT 150 280

NE

UT

RA

L

ON

OF

F

004

15417597

FNAUPCeau_cruise_sw

STRG Col Asm - Cruise Cntrl Sw

B1B10

B18

B32

BLU DK50

0.35IP

=&PTO

750

GRA397.

TXL

2Pto Sw

Page -8A-23A

PTO

7

=&PTO

IP0.35 TXL

.84S

ELECTRONIC THROTTLE CONTROL1 CKMCEPROD

2

12Ign3 - Cruise (Lh Bec)

10A

POWER DIST

10A8A-Page -

50

BLU DK84.

TXL0.35ENG

010134

k33021asheet1schematic $IVEDWORK/k33021a__010

8:47:25 am

Monday, September 9, 2002&L18/JF4/KUP03 XCK EAU

-LB7/LLY

7

TXL0.35

A

.84BLU DK

507

=-PTO-K34

IPTXL

.87GRA/BLK

507

IP0.35

S

-LB7/LLY

ENG0.35 TXL

.87GRA/BLK

507

A

Pto Sw2-Page 8A-23A

PTO PTO

23A8A-Page -2Pto Sw

TXL0.35ENG

397-LB7/LLY

50

GRA7

.

50

J2-G

5V REFPPS 1RTN

J2-J J2-K

PPS 3

GRA397.

TXL0.35IP

=-PTO-K34

7

PPS 2PPS 2

J2-C

PPS 2

J2-D

5V REFPPS 3

J2-E

5V REF

J2-F

PPS 1PPS 1

J2-A

RTNPPS 3

RTN

J2-B

COAST

J1-4

SETACCEL

RESUME/

J1-5 J1-14

ON/OFF

ETC MODULE

001elec_throt_cntlElect Throttle Cntl Mdl

UPC FNA

1217708112191065J1-

J2-

ETC_SIG2

1162

1274

ETC_REF2

(Page 3/4)

1273

ETC_RTN3

(Page 3/4)

(Page 3/4)

ETC_SIG3

1163

(Page 3/4)

ETC_REF3

1275(Page 3/4)

ETC_RTN1

1271

1161

ETC_SIG1

(Page 3/4)

1164

ETC_REF1

(Page 3/4)

(Page 3/4)

ETC_RTN2

1272

(Page 3/4)

CRUISE_SW41

397 CRUZ_ONCRUZ_SET84

PTO_SET PTO_ON

Electronic Throttle Control

K33021a_010_02

D-119PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

PPS MODULE

L18 LB7/LLYL18 LB7/LLY

L18 LB7/LLY

Panel Set: 3

HARNESS

L18 LB7/LLYL18 LB7/LLY

L18 LB7/LLYL18 LB7LLY L18 LB7/LLY L18 LB7/LLY

NOTE:THIS PAGE IS FOR SEO BRKCLTCH

Page 8A-20D

ENG CONTROLS

ENG CONTROLS

20D8A-Page -7ECM

Page 8A-20D

ENG CONTROLS

ENG CONTROLS

20D8A-Page -7ECM

ECM7- Page 8A-20D

ENG CONTROLS

ENG CONTROLS

20D8A-Page -7ECM

ECM7-

ECM7-

JK

PPS 3

C

PPS 2

D

PPS 25V REFRTN

PPS 1

E

PPS 1

F G

PPS 15V REF 5V REF

PPS 3

750

BRN

ped_pos_sensorPedal Position Sensor

UPC FNA001

15318071

A

PPS 3RTNRTN

PPS 2

B

.

TXL0.35

1274

BRKCLTCH

=&L18/KUP&SEO

7.

TXL0.35

1271

BRKCLTCH

=&L18/KUP&SEO

507

=&L18/KUP&SEO

BRKCLTCH

1164

0.35 TXL

.WHT/BLK 50

TAN

010134

k33021asheet1schematic $IVEDWORK/k33021a__010

8:47:25 am

Monday, September 9, 2002&L18/JF4/KUP03 XCK EAU

ELECTRONIC THROTTLE CONTROL1 CKMCEPROD

3

8A-Page -7ECM

ENG CONTROLS

20D

ECM7-Page 8A-20D

ENG CONTROLS

50

BLU DK.

TXL0.35

1161

BRKCLTCH

=&L18/KUP&SEO

7 1275

0.35 TXL

.YEL/BLK

507

=&L18/KUP&SEO

BRKCLTCH

50

PPL1162

0.35 TXL

.BLU LT

507

=&L18/KUP&SEO

BRKCLTCH

.GRA

507

=&L18/KUP&SEO

BRKCLTCH

1273

.

TXL0.35

1272

BRKCLTCH

=&L18/KUP&SEO

7 750

GRN DK.

TXL0.35

1163

BRKCLTCH

=&L18/KUP&SEO

0.35 TXL

BRKCLTCH

1271

0.35 TXL

.

7

=&LB7/LLY&SEO

BRKCLTCH

1274

0.35 TXL

.TAN

50

BRN50

7

=&LB7/LLY&SEO

WHT/BLK.

TXL0.35

1164

BRKCLTCH

=&LB7/LLY&SEO

750

TXL0.35

1275

7

=&LB7/LLY&SEO

BRKCLTCH

1161

0.35 TXL

.BLU DK

50TXL

.GRN DK

507

BRKCLTCH

=&LB7/LLY&SEO

750

YEL/BLK.1273

BRKCLTCH

=&LB7/LLY&SEO

750

GRA.

TXL0.35

=&LB7/LLY&SEO

BRKCLTCH

1163

0.35

0.35

1162

PPL50

7

=&LB7/LLY&SEO

BRKCLTCH

1272

0.35 TXL

.

ENG CONTROLS

20D8A-Page -7ECM

BRKCLTCH

=&LB7/LLY&SEO

750

BLU LT.

TXL

ETC_REF1

(Page 2) (Page 2)

ETC_RTN2 ETC_SIG2

(Page 2) (Page 2)

ETC_REF2 ETC_RTN3

(Page 2) (Page 2)

ETC_SIG3 ETC_REF3

(Page 2)

ETC_SIG1

(Page 2)(Page 2)

ETC_RTN1

1163

1275 PPS_REF31164 PPS_REF1

PPS_RTN21272

1162 PPS_SIG2

PPS_REF21274

1273 PPS_RTN3

PPS_SIG3

1271 PPS_RTN1

PPS_SIG11161

Electronic Throttle Control

K33021a_010_03

D-120PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 4

NOTE:THIS PAGE IS FOR ETCJPRHARNESS

CKMCE1ELECTRONIC THROTTLE CONTROLCK EAU X03 &L18/JF4/KUP

Monday, September 9, 2002

8:47:25 am

$IVEDWORK/k33021a__010schematic sheet1

k33021a134

0104

PROD

PPS MODULE

LB7/LLYL18 LB7/LLYL18 LB7/LLY

L18 LB7/LLYL18 LB7/LLY L18 LB7/LLY L18 LB7/LLY

L18 LB7/LLYL18 LB7/LLY

L18

1275

0.35 TXL

.YEL/BLK

507

=&LB7/LLY-SEO

ETCJPR

50

PPL

1162

0.35 TXL

.BLU LT

507

=&LB7/LLY-SEO

ETCJPR

.GRA

507

=&LB7/LLY-SEO

ETCJPR

1273

.

TXL0.35

1272

ETCJPR

=&LB7/LLY-SEO

7

0.35 TXL

=&LB7/LLY-SEO

ECM7-Page 8A-20D

ENG CONTROLS

750

GRN DK.

TXL0.35

1163

ETCJPR

ENG CONTROLS

20D8A-Page -7ECM

ECM7-Page 8A-20D

ENG CONTROLS

ENG CONTROLS

20D8A-Page -7ECM

ECM7-Page 8A-20D

ENG CONTROLS

ENG CONTROLS

20D8A-Page -7ECM

ECM7-Page 8A-20D

ENG CONTROLS

ENG CONTROLS

20D8A-Page -7ECM

ECM7-Page 8A-20D

ENG CONTROLS

DE

PPS 1RTN

F

PPS 15V REFPPS 1

G J

PPS 35V REF

PPS 3

K

15318071

001FNAUPC

Pedal Position Sensorped_pos_sensorRTN

PPS 3

AB

PPS 2RTN

PPS 2

C

5V REFPPS 2

.TAN

50BRN50

7

=&L18/KUP-SEO

ETCJPR

1271

0.35 TXL

.

TXL0.35

1164

ETCJPR

=&L18/KUP-SEO

750

7

=&L18/KUP-SEO

ETCJPR

1274

0.35 TXL7

=&L18/KUP-SEO

ETCJPR

1161

0.35 TXL

.BLU DK

50 WHT/BLK.

0.35

1162

ETCJPR

=&L18/KUP-SEO

750

YEL/BLK.

TXL0.35

1275

1272

0.35 TXL

.

ETCJPR

=&L18/KUP-SEO

750

BLU LT.

TXL 750

GRA.

TXL0.35

PPL50

7

=&L18/KUP-SEO

ETCJPR

=&L18/KUP-SEO

ETCJPR

1163

0.35 TXL

.GRN DK

5071273

ETCJPR

=&L18/KUP-SEO

0.35

1271

ETCJPR

=&LB7/LLY-SEO

750

BRN

50

TAN.

TXL0.35

1274

ETCJPR

=&LB7/LLY-SEO

7

.

TXL50

7

=&LB7/LLY-SEO

ETCJPR

1164

0.35 TXL

.WHT/BLK

50

BLU DK.

TXL0.35

1161

ETCJPR

=&LB7/LLY-SEO

7

PPS_REF11164 PPS_REF31275

1163 PPS_SIG31274 PPS_REF2

PPS_RTN11271

1161 PPS_SIG1

(Page 2)

ETC_RTN3ETC_REF2

(Page 2)

1272 PPS_RTN2

PPS_SIG21162 1273

ETC_SIG3

(Page 2)

ETC_RTN1

(Page 2) (Page 2)

ETC_REF1

(Page 2)

ETC_SIG2ETC_RTN2

(Page 2) (Page 2)

ETC_REF3

(Page 2)

ETC_SIG1

PPS_RTN3

Electronic Throttle Control

K33021a_010_04

D-121PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

87

Primary Fuel Rly

465 440

120

ENG

CHASSIS

12088567

3086

PRIME

85

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

MF:250E:40

&L18/LM7/LQ4/LQ9/LR4/LU3&EVA#&L18/LM7/LQ4/LQ9/LR4/LU3-NQZ-EVA

Panel Set: 1

&NQZ-EVA

J2-A7

J3-F1

UPCubec_120Blk Asm - Ubec Fuel Pump Rly

1219390612193916

001FNA

.470BLK

507

&EVA

CHASSIS

ENGINE CONTROLS

20A/B/C8A-Page -9/15/12Pcm

0.5 GXL

.470BLK

507

&03/43/53/706&NQZ-EVA

CHASSIS

0.5 GXL

0.5 GXL

.470BLK

507

=&03/43/53/706&L18/LM7/LQ4/LQ9/LR4/LU3&EVA-T89#&03/43/53/706&L18/LM7/LQ4/LQ9/LR4/LU3-EVA-NQZ-T89

CHASSIS

GND DIST

14A8A-Page -4Gnd Zone #21

CHASSIS

=&03/43/53/706&L18/LM7/LQ4/LQ9/LR4/LU3&EVA-T89#&03/43/53/706&L18/LM7/LQ4/LQ9/LR4/LU3-EVA-NQZ-T89

750

BLK470.

GXL0.5

&03/43/53-NQZ

CHASSIS

SA470

PPL50

7

ENG

0.5 GXL

.470BLK

507

750

PPL1589.

GXL0.5

0.5 TXL

.1589

CHASSIS

&03/43/53/706

ENGINE12M GT 150 28015373547

K

Pcm9/15/12-Page 8A-20A/B/C

ENGINE CONTROLS

FLVL

A

PWR

B

GND

C

RTN

D

1.0 GXL

.120GRA

5019

&03/43/53/706

CHASSIS

001

12160482

FNAUPCeau_fpmp_ePrim Fuel/Pump Asm

Pcm9/15/12-Page 8A-20A/B/C

ENGINE CONTROLS

ENGINE CONTROLS

20A/B/C8A-Page -9/15/12Pcm

CHASSIS12F GT 150 28015373533

K

-Page 8A-10A

POWER DIST

20A

Pcm B(Ubec)4

GND DISTGnd Zone #5

17-Page 8A-14A

FUEL SNDR/PUMP (03/43/53/706&GAS ENGINES)CK EAU X03

Wednesday, April 3, 2002

9:33:30 am

$IVEDWORK/k33022e__005schematic sheet1 50

005k33022e&L18/LM7/LQ4/LQ9/LR4/LU3-T89

1

PROD CKMC031

.2150BLK

5019

&03/43/53/706

CHASSIS

120

SEC_RLY

(Page 2)

465 PRIM_FRLY

440 FPMP_RLY

FPRLY_GND550

1.0 GXL

FLVL_PRIM

FPMP_GND

FUEL_VREFRFUEL_EVA

(Page 2)

SEC_FRTN

Fuel Sender/Pump: Gas Engines (03/43/53/706)

K33022e_005_01

D-122PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

MF:250E:40

507

&03/43/53-NQZ

CHASSIS

Panel Set: 2

50

GRN LT1058.

GXL0.80.5 GXL

.1465TAN

Pcm - Sec Fuel RlyENGINE CONTROLS

20A/B/C8A-Page -9/15

CHASSIS

&03/43/53-NQZ

7

&03/43/53-NQZ

CHASSIS

12F GT 150 280CHASSISB

0.5 GXL

.439PNK

507

0.5 TXL

.1465TAN

507

&03/43/53-NQZ

ENG

15373533

CHASSIS

&03/43/53-NQZ

750

GRA120.

GXL0.8

ENGINE12M GT 150 28015373547

H

0.5 GXL

.1936BLU DK

507

&03/43/53-NQZ

CHASSIS

B

PWR

C

GND

D

RTN

2PCMI (Uh Bec)

15A

POWER DIST

10A8A-Page -

Sec Fuel/Pump Asmeau_fpmp_eUPC FNA

12160482

001

A

FLVL

ENGINEB

2

PROD CKMC031FUEL SNDR/PUMP (03/43/53/706&GAS ENGINES)CK EAU X03 &L18/LM7/LQ4/LQ9/LR4/LU3-T89

Wednesday, April 3, 2002

9:33:30 am

$IVEDWORK/k33022e__005schematic sheet1k33022e

50

005

750

BLU DK1936.

TXL0.5

1537354712M GT 150 280

ENG

&03/43/53-NQZ

8A-Page -4Gnd Zone #21

GND DIST

Pcm9/15-Page 8A-20A/B/C

ENGINE CONTROLS

14A

15373533H

85

86 87

CHASSIS12F GT 150 280

Sec Fuel Relaysec_fuel_rlyUPC FNA 12129716

001

30

SEC_RLY

(Page 1)

FLVL_SEC

SEC_PUMP

470

SEC_FRTN

(Page 1)

SEC_GND12150

SEC_FRLY1

Fuel Sender/Pump: Gas Engines (03/43/53/706)

K33022e_005_02

D-123PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

87

Primary Fuel Rly

465 440

120

ENG

CHASSIS

12088567

3086

PRIME

85

MF:250E:40

-EVA&EVA

Panel Set: 1

.

GXL0.5

.120GRA

5019

CHASSIS

CHASSIS7

50

PPL1589

0.5 GXL

.470BLK

507

&EVA

CHASSIS

1.0 GXL

GXL0.5

0.5 GXL

.470BLK

507

-EVA

CHASSIS

&EVA

CHASSIS

SA470

CHASSIS

&EVA

750

BLK470.

2

RTN

3

GND

4

FLVL0.5 GXL

.470BLK

507

ENG

Prim Fuel/Pump Asmeau_fpmp_fUPC FNA

15324862

001

1

PWR

15373533K

0.5 TXL

.1589PPL

507

-9Pcm Pcm

9-Page 8A- 20B

ENGINE CONTROLS

CHASSIS12F GT 150 280

001FNAUPC

ubec_120Blk Asm - Ubec Fuel Pump Rly

1219390612193916

J2-A7

J3-F1

ENGINE CONTROLS

20B8A-PagePcm

15-Page 8A- 20B

ENGINE CONTROLS

20A

Pcm B(Ubec)4

ENGINE CONTROLS

20B8A-Page -15Pcm

1.0 GXL

.2150BLK

5019

CHASSIS

-Page 8A-10A

POWER DIST

PROD Graeme Dobbs CKMC031FUEL SNDR/PUMP (L59 ENGINES)CK EAU X03 &L59

Wednesday, April 3, 2002

10:15:37 am

$IVEDWORK/k33022f__005schematic sheet1

k33022f36

005

GND DISTGnd Zone #5

17-Page 8A-14A

12M GT 150 28015373547

K

14A8A-Page -4Gnd Zone #21

GND DIST

1

465 PRIM_FRLY

FLVL_PRIM

FPMP_GND

FUEL_EVA FUEL_VREFRFPMP_RLY440

550 FPRLY_GND

ENGINE

Fuel Sender/Pump: Gas Engines (L59)

K33022f_005_01

D-124PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

MF:250E:40

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

87

Primary Fuel Rly

465 440

120

ENG

CHASSIS

12088567

3086

PRIME

85

2150.

GXL1.0

&L18&EVA#&L18-NQZ-EVA &NQZ-EVA

Panel Set: 1

001

A

GND

B

FLVL

C

RTN

D

PWR

CHASSIS

&906/36

1950

BLK

Prim Fuel/Pump Asmeau_fpmp_gUPC FNA

15326631

GND DISTGnd Zone #21

4-Page 8A-14A

50

BLK470.

GXL0.5

CHASSIS

&EVA

750

BLK470.

BLKGXL0.5

CHASSIS

&906/36-NQZ

7

=&L18/LM7/LQ4/LQ9/LR4/LU3&906/36&EVA-T89#&L18/LM7/LQ4/LQ9/LR4/LU3&906/36-NQZ-EVA-T89

CHASSIS

507

&906/36&NQZ-EVA

CHASSIS

0.5 GXL

.470BLK

507

750

BLK470.

GXL0.5

0.5 GXL

.470

SA470

CHASSIS

=&L18/LM7/LQ4/LQ9/LR4/LU3&906/36&EVA-T89#&L18/LM7/LQ4/LQ9/LR4/LU3&906/36-NQZ-EVA-T89

0.5 GXL

.1589PPL

507

&906/36

CHASSIS

Pcm9/15/12-Page 8A-20A/B/C

ENG CONTROLS

14A8A-Page -17Gnd Zone #5

GND DIST

ENG CONTROLS

20A/B/C8A-Page -9/15/12Fuel Tank Sensor

GXL1.0

1537354712M GT 150 280ENGINEK

CHASSIS

&906/36

1950

GRA120.

FNA001

J2-A7

J3-F1

Pcm9/15/12-Page 8A- 20A/B/C

ENGINE CONTROLS

1 CKMC03PROD1

1219391612193906

Blk Asm - Ubec Fuel Pump Rlyubec_120UPC

00536

k33022gsheet1schematic $IVEDWORK/k33022g__005

9:41:09 am

Wednesday, April 3, 2002&L18/LM7/LQ4/LQ9/LR4/LU3-T8903 XCK EAU

FUEL SNDR/PUMP (906/36&GAS ENGINES)

ENG7

50

PPL1589.

TXL0.5

1537353312F GT 150 280CHASSISK

20A/B/C8A-Page -9/15/12Pcm

FUEL_EVA FUEL_VREFR

440 FPMP_RLY

550 FPRLY_GND

4Pcm B(Ubec)

20A

POWER DIST

10A8A-Page -

ENGINE CONTROLS

PRIM_FRLY465 FLVL_PRIM

FPMP_GND

(Page 2)

SEC_RLY

120

(Page 2)

SEC_FRTN

Fuel Sender/Pump: Gas Engines (906/36)

K33022g_005_01

D-125PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

MF:250E:40

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 2

CHASSIS

&906/36-NQZ

750

TAN1465.

GXL0.5 0.8 GXL

.1058GRN LT

507

&906/36-NQZ

CHASSIS

12M GT 150 28015373547

B

9/15-Page 8A-20A/B

ENGINE CONTROLSPcm - Sec Fuel Rly

750

PNK439.

GXL0.5

ENGINE

0.5

CHASSIS12F GT 150 28015373533

B

CHASSIS

&906/36-NQZ

GRA50

7

&906/36-NQZ

CHASSIS

ENG

&906/36-NQZ

750

TAN1465.

TXL

H

0.8 GXL

.120

1537354712M GT 150 280ENGINE

1537353312F GT 150 280CHASSISH

-Page 8A-10A

POWER DIST

15A

PCMI (Uh Bec)2

0.5CHASSIS

&906/36-NQZ

750

BLU DK1936.

GXL

00536

k33022gsheet1schematic $IVEDWORK/k33022g__005

9:41:09 am

Wednesday, April 3, 2002&L18/LM7/LQ4/LQ9/LR4/LU3-T8903 XCK EAU

FUEL SNDR/PUMP (906/36&GAS ENGINES)1 CKMC03PROD

2

.1936BLU DK

507

&906/36-NQZ

ENG0.5 TXL

85

86 87

GND DISTGnd Zone #21

4-Page 8A-14A

001

12129716 FNAUPCsec_fuel_rlySec Fuel Relay

30

C

PWR

D

ENGINE CONTROLS

20A/B8A-Page -9/15Pcm

001

15326631

FNAUPCeau_fpmp_gSec Fuel/Pump Asm

GND

A

FLVL

B

RTN

SEC_FRTN

(Page 1)

SEC_RLY

FLVL_SEC

SEC_PUMP

2150 SEC_GND2

SEC_FRLY1

470(Page 1)

Fuel Sender/Pump: Gas Engines (906/36)

K33022g_005_02

D-126PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

M

E:40F:250

E:40F:250

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

87

Primary Fuel Rly

465 440

120

ENG

CHASSIS

12088567

3086

PRIME

85

GND

FUEL/PUMP PRIME

-NQZ

(TOP HOUSING)

-NQZ&NQZ

Panel Set: 1

Ecm B(Ubec)

20A

POWER DIST

10B8A-Page -

12059450

001FNAUPC

Transfer Fuel Pumpfuel_pump_dsl

A

PWR

B

14A8A-Page -4Gnd Zone #21

GND DIST

SB470

2

.470BLK

507

-NQZ

CHASSIS

Ecm9-Page 8A-20D

ENGINE CONTROLS

CHASSIS

-NQZ

1950

BLK2150.

GXL1.0

0.5 GXL

1.0 GXL

.120GRA

5019

-NQZ

CHASSIS

Gnd Zone #517-Page 8A-14A

ENGINE CONTROLS

20D8A-Page -9Ecm-Sender Rtn

001FNAUPC

ubec_120Blk Asm - Ubec Fuel Pump Rly

1219390612193916

J2-A7

J3-F1

GND DIST

1

PROD CKMC031FUEL SNDR/PUMP (DIESEL ENGINES)CK EAU X03 &LB7

Wednesday, April 3, 2002

9:31:06 am

$IVEDWORK/k33022b__008schematic sheet1

k33022b114

008

GXL0.5

ENGINE CONTROLS

20D8A-Page -9Ecm

CHASSIS

&NQZ

750

BLK470.

K

K

0.5 TXL

.1589PPL

507

ENG

UPC FNA001

Prim Fuel Sender-Dsl

12160563

fuel_sndr

A

FLVL

RTN

D

50

BLU DK1936.

TXL0.5

Ecm9-Page 8A-20D

ENGINE CONTROLS

7

-NQZ

CHASSIS0.5 GXL

.1936BLU DK

50

ENG7

H

50

BLK470.

GXL0.5CHASSIS

-NQZ

7

CHASSIS12F GT 150 28015373533

J

ENGINE12M GT 150 28015373547

H

12F GT 150 280CHASISSJ

1537354712M GT 150 280ENGINE

15373533

750

PPL1589.

GXL0.5

fuel_sndr

12160563

Sec Fuel Sender-Dsl

001FNAUPC

FLVL

A

D

RTN

CHASSIS

FPRLY_GND550

440 FPMP_RLY

CHASSIS

-NQZ

750

BLK470.

GXL0.5

470 FLVL_RTN1

FPMP_GND

465 PRIM_FRLYFLVL_SECFLVL_PRIM

Fuel Sender/Pump: Diesel Engines

K33022b_008_01

D-127PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 1

G

B GPTOJMPR10M M/P 150 SLD12045808

J

.2522YEL

507

PTOJMPR0.8 TXL

PTO PROVISIONS(L18/LB7)CK EAU X03 &PTO

Friday, October 19, 2001

8:13:42 am

$IVEDWORK/k33023a__006schematic sheet1

k33023a78

0061

BETA CKMC031

TXL0.8 0.35 TXL

.2522YEL

507

ENG

BLK50

7

PTOJMPR

ENG7

50

YEL2522.

0.8 TXL

.550

C

ENG

003

2522

Blunt Cut

UPC FNAbluntcut

A

bluntcutFNAUPC

Blunt Cut

2561

003

A

0.35 TXL

.488GRN LT

507

003

488

Blunt Cut

UPC FNAbluntcut

A

UPC FNA

12129716

30

85

86

87

pto_rly 001Relay Asm-PTO

C

B

ENG CNTLS

20A/D8A-Page -12Pcm/Ecm

Blunt Cut

84

003bluntcutFNA

A

0.5 TXL

.2522YEL

507

&M74

ENG

D

ENG CNTLS

20A/D8A-Page -12Pcm/Ecm

UPC

H

D H

7

PTOJMPR

GND DISTGnd Zone #5

2-Page 8A-14A

TXL0.8PTOJMPR

70.8 TXL

.488GRN LT

50

ENG7

50

GRN LT488.

TXL0.35

50

BLU DK84.

0.8 TXL

.2561WHT

507

ENG

Pcm/Ecm12-Page 8A-20A/D

ENGINE CONTROLS

15A

Bat-Fog Lp(Uh)5/3

0.8 TXL

.84BLU DK

507

ENG

SA2522

-Page 8A-10A/B

POWER DIST

bluntcutFNAUPC

Blunt Cut

494

003

ABlunt Cut

UPC FNAbluntcut 003

550

A

2561.

TXL0.8

0.8 TXL

.488GRN LT

507

ENG

750

BLU LT494.

TXL0.8PTOJMPR

750

WHT

J

PTOJMPR

ALLISON TRANS

278A-Page -1Tcm

ENGINE10F M/P 150 SLD12177081

Pcm/Ecm12-Page 8A-20A/D

ENG CNTLS

SA488

494 PTO_ENG_DIS

550 PTO_GND

PTO_ENABLE488

(Page 2)

SW_FBCKSW_ENAB

(Page 2)

PTO_ENGAGE2562PTO_RLY3440

(Page 2)

PTO_SWTCM_PTOFDBK 2522 PTO_FDBK

Power Take Off Provisions (L18/LB7)

K33023a_006_01

D-128PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

SET BKLTDIM

FDBKRELAY

ILL

UM

ON

/OF

F

LOGIC

GND

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IP0.35

Panel Set: 2

6F GT 150ENGINEC

TWP

.2409BRN

50

EIP6M GT 15015326833

E

15326829

84BLU DK

507

IP0.35

ENGINE6F GT 15015326829

TWP

.

Etc/Pcm2/12/6-Page 8A-21A/20A/D

ETC/ENG CNTLS

Gnd Zone #1815-Page 8A- 14

ETC/ENG CNTLS

21A/20A/D8A-Page -2/12/6Etc/Pcm

DIMMING CNTL

117A8A-Page -1230 Mbec

GND DIST

.84BLU DK

507

IP0.35 TXL

15326833

A

EXTERIOR LIGHTING

110A/B8A-Page -1Int Prk Fuse (Ubec)

IP6M GT 150

GRA397.

TWP

750

BLU DK84.

TWP

0.35IP

750

Etc/Ecm2/12/6-Page 8A-21A/20A/D

ETC/ENG CNTLS

0.35IP

12/10Ign3-Cruise(Lbec)

10A

POWER DIST

10A/B8A-Page -

A

B

C

D E F

G H

pto_sw 002Sw Asm-PTO

UPC FNA

12186098.

TXL0.35IP

750

GRN LT488

SA84

7

IP0.35

2

BETA CKMC031PTO PROVISIONS(L18/LB7)CK EAU X03 &PTO

Friday, October 19, 2001

8:13:42 am

$IVEDWORK/k33023a__006schematic sheet1

k33023a78

006

TXL

.2522YEL

50

BRN50

7

IP0.35 TWP

.41

Etc/Ecm2/12/6-Page 8A-21A/20A/D

ETC/ENG CNTLS

153268336M GT 150IPC

SA397

IP0.35

15326829A

TWP

.397GRA

507

PTO_ON

1050 PTOSW_GND

(Page 1)

SW_FBCK

2522

PTO_DIM

ENGINE6F GT 150

230 PTO_BKLT

CRUZ_ON

(Page 1)

SW_ENAB

488397

84

PTO_SW

(Page 1)

CRUZ_SET PTO_SET84

CRUISEMDL_PTO

Power Take Off Provisions (L18/LB7)

K33023a_006_02

D-129PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

V12A V12B IGN_FM J1939

&LB7&M74 &L18&M74

Panel Set: 1

&LB7&M74

PART#PCMTRANS

020-2

POA TISSPAGE 8A-

027-1

M74

0.35ENG

&L18/LB7

750

YEL2470.

TXL

ENGINE OUTPUT SPEED SNSR

HI

J4-A

ENG SPD

LO

J4-B

TRANS OUTPUT SPEED SNSR

HI

J1-A

TOSS

LO

J1-B

TURBINE SPEED SENSOR

J2-A

HI

J2-B

LO

TURS

.822GRN LT/BLK

50

Page -1

GND DISTGnd Zone #4

1-Page 8A-14A

7

&L18/LB7

ENG0.5 TXL

Pto StatusPTO

23A8A-8A-Page -1Gnd Zone #4

GND DIST

0.5ENG

&L18/LB7

750

BLU DK/WHT1231.

TXL

Tcc Brake

1

PROD CKMC031LCT TRANSMISSION (&L18/LB7&M74)CK EAU X03 &M74

Friday, July 19, 2002

12:11:04 pm

$IVEDWORK/k33027a__007schematic sheet1

k33027a123

007

14A

11-Page 8A-20A/D

SERIAL DATA LINK

55A8A-Page -1Class 2

2-Page 8A-44C

BRAKES ENGINE CNTRLSPRNDLA

TXL

.1020PNK

507

&L18

ENG0.8

-Page 8A-10A/B

POWER DIST

20A

Pcm B (Uh Bec)4/2

RED/BLK50

7

&L18/LB7

ENG0.5 TXL

.1230

Pcm/Ecm 2-Page 8A-20A/D

ENGINE CNTRLSCan Link

4-Page 8A-20D

ENGINE CNTRLS

IDH3

PRNDLPENGINE CNTRLS

20A/D8A-Page -11

PRNDL A

J2-5

IDH3PRNDL B

J2-6

IDH3PRNDL C

J2-7

IDH3PRNDL P

J2-8

HI

J2-15

TRANS OUTPUT SPEEDLO

J2-16J2-17

HITRANS INPUT SPEEDLO

J2-18

HI

J2-13

TURB SPEEDLO

J2-14

J1-5 J1-6

PTOSTATUS

SERV BRKSTATUS

J1-7

PTOAUTO NTRL

J1-8

GPI4

J1-9

BATT

J1-3 J1-30

J1850 DATA LINKCLASS II

SHIELD

J1-31

LO

J1-32

IGN0

J1-4

GND

HI

J1-27

J1-28

GNDANALOG

HI

J1-29

IGN0

J1-2

LO

J1-18

REPLICATED TOSS

GPI6IDH3E

RETARDENABLE

J1-12

GPI7IDH3E

GPI8ABS

J1-13

IDH3E

J1-14

GPI9IDH3E

LCT TCM

J1-1

GND

SEC SHIFTSCHEDULE

J1-10

RANGEINHIBIT

J1-11

12/12

Pcm/EcmENGINE CNTRLS

20A/D8A-Page -11/2

ENGINE CNTRLS

20D8A-Page -4Can Link

Page -5

12/12Ign0 (Lh Bec)

10A

POWER DIST

10A/B8A-Page -

-Page 8A-10A/B

POWER DIST

10A

Ign0 (Lh Bec)

.2467WHT

507

&L18

ENG0.5

PcmENGINE CNTRLS

20A8A- 11

50

ORN440.

TXL0.8ENG

&L18/LB7

7

TXL

PRNDLBENGINE CNTRLS

20A/D8A-Page -

PPL/WHT50

7

&L18/LB7

ENG0.5 TXL

.821

ENG

&L18/LB7

7

50

ORN1983.

TXL0.5ENG

&L18/LB7

7

50

BLU LT1984.

TXL0.5

TRNSPWR1

1020 TRNSPWR2

-Page 8A- 20A/D

ENGINE CNTRLSPRNDLC

11

TCM_P776

TCM_C773

TCM_B772

TCM_A771420 TCC_BRK

CANLO23622361 CANHITCM_BAT 400 REP_TOSSHI

CL2_TCM

TCM_GND1451

451 TCM_GND2

TCM_PTOFDBK2522 UNMAN_TORQ

4WD_LO1694

LCT Transmission (L18/LB7/M74)

K33027a_007_01

D-130PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

V12A IGN_FMV12BIGN_FM

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

&L18 &L18 &L18/LB7

Panel Set: 2

&L18/LB7

ENG0.8 TXL

.418BRN

507

J3-M

SOL A

J3-N

FORCE MOTOR 1

J3-P

SOL B

J3-S J3-T

TRANS ID

J3-W

SOL E

J3-G

SUMP TEMP

J3-H

SENSORSOL FLOCKUP

J3-J J3-K

REV

PRESSURE SWITCH MANIFOLD

J3-L

FORCE MOTOR 1

J3-B

SOL D

J3-C J3-D

C

J3-E

E

J3-F

D

J3-A

SOL C

1535936615359366

FNAUPC

Allison Transeau_m74lct 003

J4- 15359366J3-J2-J1-

12186609

4/2-Page 8A- 20A/D

ENGINE CNTRLSPcm/Ecm

0.5 TXL

.1227YEL/BLK

507

&L18/LB7

0.5 TXL

.1226RED

507

&L18/LB7

ENG ENG

ENG

&L18/LB7

7

&L18/LB7

750

GRN LT/BLK2529.

TXL0.5ENG

7

&L18/LB7

ENG0.5 TXL

.1224

50

BLU DK1225.

TXL0.5

PNK50

&L18/LB7

750

GRN DK/WHT2528.

ENG0.8 TXL

.1223YEL/BLK

507

&L18/LB7

TXL0.8ENG

.

0.8 TXL

.323BRN

507

&L18/LB7

ENG

PPL50

7

TXL0.8ENG

&L18/LB7

750

BLU LT/WHT1229

750

BLK2762.

TXL0.5ENG

&L18/LB7

ENG0.8 TXL

.2471

50

BRN/WHT2469.

TXL0.8ENG

&L18/LB7

7

&L18/LB7

TXL0.8ENG

PNK/BLK50

7

&L18/LB7

ENG0.8 TXL

.2468

&L18/LB7

750

ORN/WHT2527.

PROD2

007123

k33027asheet1schematic $IVEDWORK/k33027a__007

12:11:04 pm

Friday, July 19, 2002&M7403 XCK EAU

LCT TRANSMISSION (&L18/LB7&M74)1 CKMC03

20A8A-Page -44-Page 8A-20A

ENGINE CNTRLSPcm - L18 Pcm - L18

ENGINE CNTRLS

J2-9

TPS SIGIALLC

REVPSM

J2-4

E SW

J2-28

GNDF SW

J2-29

PSM E

J2-3

J2-30

J2-31 J2-32

LO

J2-24

FM BHI LO

FM B

J2-25

GNDC SW

J2-26 J2-27

D SWGND GND

V5B

PSM D

J2-2

GNDANALOG

J2-20

I/OTRANS

J2-21

HIFM A

J2-22

FM A

J2-23

J2-19

PSM C

J2-1

TEMPSUMP

J2-10

TEMPRETARD

J2-11

J1-24

GPO6CHECKTRANS

J1-25J1-20

GPO2 INDRANGE

J1-21

REQTORQ

J1-22 J1-23

GPO5

J1-15

RETARDERREQUEST

IALLCMANAGED

TORQ

J1-16 J1-17

V5A

J1-19

GPO1

J2-

Trans Control Moduleeau_m74tcmUPC FNA

001

15393766J1-15393765

LCT TCM

7

&L18/LB7

ENG0.8 TXL

.1228RED/BLK

50

&L18/LB7

750

GRN LT1222.

TXL0.8ENG

TORQ_REQ_TCM463 MIL_REQ464 TORQ_MAN_TCM 2466

LCT Transmission (L18/LB7/M74)

K33027a_007_02

D-131PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

V12A V12B IGN_FM

J1939

=&L18#&LLY

=&L18#

&LLY

&LLY&M74

=&L18#&LLY

=&L18# =&L18#&LLY

=&L18&M74#

=&L18#&LLY&LLY

=&L18&M74#&LLY&M74

=&L18&M74#&LLY&M74

020-2

POA TISSPAGE 8A-

027-1

M74

PART#

Panel Set: 1

=&L18&M74#&LLY&M74

TRANS

=&L18&M74#&LLY&M74

&LLY=&L18#&LLY

=&L18#&LLY

=&L18#

PCM

=&L18#&LLY

PcmENGINE CNTRLS

20A8A-Page -6

7

TXL

.2467WHT

507

&L18

ENG0.5

ENGINE CNTRLS

20A/D8A-Page -11

50

ORN440.

TXL0.8ENG

PRNDLB

TXL

.821PPL/WHT

507

ENG0.550

ORN1983.

TXL0.5ENG

7

50

BLU LT1984.

TXL0.5ENG

7

J4-A

HI

ENGINE OUTPUT SPEED SNSR

J4-B

LO

ENG SPD

-Page 8A- 20A/D

ENGINE CNTRLSPRNDLC

11

LO

TOSS

HI

J2-A

TURBINE SPEED SENSOR

J2-B

TURS

LO

J1-A

HI

TRANS OUTPUT SPEED SNSR

J1-B

0.35ENG

750

YEL2470.

TXL

7

ENG0.5 TXL

.822GRN LT/BLK

50

Pto StatusPTO

23A8A-Page -1

GND DISTGnd Zone #4

1-Page 8A-14A

50

BLU DK/WHT1231.

TXL

&M74

Wednesday, August 27, 2003

3:07:24 pm

$IVEDWORK/k43027a__004schematic sheet1

k43027a22

004

14A8A-Page -1Gnd Zone #4

GND DIST

0.5ENG

7

1-Page 8A-44C

BRAKESTcc Brake

3of1

PROD CKMCE1LCT TRANSMISSION (&L18/LLY&M74)CK EAU X04

ENGINE CNTRLSPRNDLA

11-Page 8A-20A/D

SERIAL DATA LINK

55A8A-Page -1Class 2

7

&L18

ENG0.8

-Page 8A-10A/B

POWER DIST

20A

Pcm B/Ecm B (Uh Bec)4/2

TXL

.1020PNK

50

Can Link4-Page 8A-20D

ENGINE CNTRLSPcm/Ecm

2-Page 8A-20A/D

ENGINE CNTRLS

11

0.5 TXL

.1230RED/BLK

507

ENG

J2-7

IDH3PRNDL P

J2-8

IDH3

PRNDLPENGINE CNTRLS

20A/D8A-Page -

PRNDL A

J2-5

IDH3PRNDL B

J2-6

IDH3PRNDL C

J2-14

HI

J2-15

TRANS OUTPUT SPEEDLO

J2-16J2-17

HITRANS INPUT SPEEDLO

J2-18

HI

J2-13

TURB SPEEDLO

J1-4

GND

J1-5 J1-6

PTOSTATUS

SERV BRKSTATUS

J1-7

PTOAUTO NTRL

J1-8

GPI4

J1-9

J1-29

BATT

J1-3 J1-30

J1850 DATA LINKCLASS II

SHIELD

J1-31

LO

J1-32

IGN016 PPR

J1-26

HI

J1-27

J1-28

GNDANALOG

HI LO

J1-18

REPLICATED TOSS

IGN0

J1-2

GPI6IDH3E

RETARDENABLE

J1-12

GPI7IDH3E

GPI8ABS

J1-13

IDH3E

J1-14

GPI9IDH3E

LCT TCM

J1-1

GND

SEC SHIFTSCHEDULE

J1-10

RANGEINHIBIT

J1-11

Pcm/EcmENGINE CNTRLS

20A/D8A-Page -11/2

ENGINE CNTRLS

20D8A-Page -4Can Link

14/12Ign0 (Lh Bec)

10A

POWER DIST

10A/B8A-Page -

-Page 8A-10A/B

POWER DIST

10A

Ign0 (Lh Bec)14/12

TRNSPWR1

1020 TRNSPWR2

TCM_P776

TCM_C773

TCM_B772

TCM_A771420 TCC_BRK

CANLO23622361 CANHITCM_BAT 400 REP_TOSSHI

CL2_TCM

TCM_GND1451

451 TCM_GND2

TCM_PTOFDBK2522 UNMAN_TORQ

4WD_LO1694

LCT Transmission (L18/LLY/M74)

K43027a_004_01

D-132PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

V12BV12A IGN_FMIGN_FM

=&L18#

Panel Set: 2

&L18 &L18 &LLY

RED/BLK50

7

ENG0.8 TXL

.1228

50

GRN LT1222.

TXL0.8ENG

7

1 CKMCEPROD2

ENG0.8 TXL

.2468

3of

00422

k43027asheet1schematic $IVEDWORK/k43027a__004

3:07:24 pm

Wednesday, August 27, 2003&M7404 XCK EAU

LCT TRANSMISSION (&L18/LLY&M74)

PNK/BLK50

7

SOL E(ON/OFF)

FORCE MOTOR 1

J3-P

SOL B (PCS)

J3-R

MAIN PRESS MODULATIONSOL G (PWM)

J3-S J3-T

TRANS ID

J3-W

SENSORSOL F (PWM)LOCKUP

J3-J J3-K

REV

PRESSURE SWITCH MANIFOLD

J3-L

FORCE MOTOR 1

J3-M

SOL A (PCS)

J3-N J3-C J3-D

C

J3-E

E

J3-F

D

J3-G

SUMP TEMP

J3-H

(ON/OFF)

J3-A

SOL C

J3-B

SOL D(ON/OFF)

J4- 15359366J3-J2-J1-

121866091535936615359366

FNAUPC

Allison Trans04_m74lct 003

BRN50

7

GRN DK/WHT50

7

ENG0.8 TXL

ENG0.8 TXL

.418

.2528

4/2-Page 8A- 20A/D

ENGINE CNTRLSPcm/Ecm

ENG0.5 TXL

.1227YEL/BLK

507

RED50

7

ENG

750

GRN LT/BLK2529.

TXL0.5ENG

0.5 TXL

.1226

50

BLU DK1225.

TXL0.5ENG

7

PNK50

7

ENG0.5 TXL

.1224

7 TXL0.8ENG

750

BLU DK1530..323

BRN50

7

ENG ENG0.8 TXL

.1223YEL/BLK

50TXL0.8

ENG7

50

BLU LT/WHT1229.

0.8 TXL 0.5ENG

ENG0.8 TXL

.2471PPL

507TXL0.8

ENG7

750

BLK2762.

TXL

ENG50

BRN/WHT2469.

750

ORN/WHT2527.

TXL0.8

Page 8A-20A

ENGINE CNTRLSPcm - L18 Pcm - L18

ENGINE CNTRLS

20A8A-Page -44-

J2-9

TPS SIGIALLC

J2-31 J2-32

REVPSM

J2-4

D SWGND GND

E SW

J2-28

GNDF SW

J2-29

PSM E

J2-3J2-30

MODULATIONPRESSUREMAIN

J2-22

FM A

J2-23

LO

J2-24

FM BHI LO

FM B

J2-25

GNDC SW

J2-26 J2-27

V5BTPS

PSM D

J2-2

GNDANALOG

J2-20

I/OTRANS

J2-21

HIFM A

J2-19

PSM C

J2-1

TEMPSUMP

J2-10

TEMPRETARD

J2-11

J1-24

GPO6CHECKTRANS

J1-25J1-20

GPO2 INDRANGE

J1-21

REQTORQ

J1-22 J1-23

GPO5

J1-15

RETARDERREQUEST

IALLCMANAGED

TORQ

J1-16 J1-17

V5A

J1-19

GPO1 J2-

Trans Control Module04_m74tcmUPC FNA

001

15393766J1-15393765

LCT TCM

TORQ_REQ_TCM463 MIL_REQ464 TORQ_MAN_TCM 2466

LCT Transmission (L18/LLY/M74)

K43027a_004_02

D-133PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

SA1433

1433

IP ENG ENG ENG1433 1433 625 6

12193614

87

86

85

30

Start Rly

M

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

PAGE 8A-POA NSBU SW

GEN3L18

BTSI

Panel Set: 1

030-1PART #

&5X7

PART #START 30-1

PAGE 8A-POA CLUTCH SW

WRECKER PACKAGEAUX BATTERY

PCM/ECM 20-4BRAKE 44-2

138-1START

L18 GEN3&LU3&L59

1533620912M GT 150/280IPC

J2-D11J2-D12J2-F11

12191457

Ring Term-Wrecker Pack

UPC FNA12191457 002

A

B

002Blk Asm - Ubec Starter Rlyubec_625UPC FNA

1219390612193905

J1-A11

002

02965719

Ring Term - Gen3 Starter02965719UPC FNA

A

BPNK

507

&M30/M32/M74/MN8/MT1

ENG0.35 TXL

.639

BATPOS

=&L59/LM7/LQ4/LQ9/LR4/LU3-8Y9

19250

13IGN1-IGNE (UH)

10A

POWER DIST

10A/B8A-Page -

1533620512F GT 150/280BRKCLTCHC

RED1.

SGX32.0

0.35IP

=&MG5/ML6/MW3-JF4

750

PNK639

TWP

.

00601113296Motor Starter V8

6Y 2 0050A

B

B_CASE

S

S_CASE

15326159FNAUPC

Ring Terminal Starter

15326159

002

A

B

D

1750A12E

Man Cltch Sw-Btm Of Trvlcltch_sw_btm 001

12064860

C

Pcm - Cltch/Ntrl Start SwENGINE CNTRL

20A8A-Page -4

PageStarter Case

3-8A-14B

GND DIST

13.0 STT

.2RED

5075

&TP2/8B0

BATPOS

Aux/Dual Relay1-Page 8A- 17A

AUX/DUAL BATTERY

TWP

.1433GRN DK

507

=&MG5/ML6/MW3-JF4

BRKCLTCH0.35

.

TWP

639PNK

507

=&MG5/ML6/MW3-JF4

BRKCLTCH0.35

ENG0.35 TXL

.1433GRN DK

507

&MG5/ML6/MW3

WRECKER PACKAGE

110C8A-Page -1Aux Bat

BRKCLTCH12F GT 150/28015336205

B

Ring Term-Aux Bat

12191457A

B

-Page 8A-10A/B

POWER DIST

10A

IGN1-IGNE (UH)13

50192

=&L18

BATPOS32.0 SIL

.1RED

00212191457FNAUPC

3/2Batt Ign A

40A

POWER DIST

10A/B8A-Page -

ENGINE CNTRL

208A-Page -5Pcm - Stat Sol Rly

TXL3.0ENG

TWP

.1433GRN DK

507

=&MG5/ML6/MW3-JF4

IP0.35

=&L59/LM7/LQ4/LQ9/LR4/LU3

1950

PPL6.

2:38:59 pm

Thursday, August 8, 2002&L18/L59/LM7/LQ4/LQ9/LR4/LU303 XCK EAU

STARTING & CHARGING (GAS)1 CKMC03PROD

1

&M30/M32/M74/MN8/MT1

750

GRN DK1433.

TXL0.35ENG

009264

k33030asheet1schematic $IVEDWORK/k33030a__009

ENG3.0 ETFE

.6PPL

5019

=&L18

B

15354670FNAUPC

Ring Term - L18 Starter

15354670

002A

IP12M GT 150/28015336209

B

UPC

NSBU-Start Sweau_nsbu_sw 001

FNA

12129840J2-

J2-E

J2-G

RLY_BAT142

CLUTCH_MAN

(Page 2)

BAT_POS

AUX_BAT12

CLTCH_NTRL

AUX_BAT2

DUAL_BATT1

(PAGE 3)

STARTER_GND

625 START_RLY

NSBU_AUTO

Starting and Charging: Gas

K33030a_009_01

D-134PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

DRIVER

FIELDPHASE

CS130FIELD (ROTOR)

STATOR LAMP

AC SENSE

TURN ON INPUT

DC SENSE

G3 ~

-

+

GEN3&L59

-LU3 &LU3

&9L4

GEN W/O SBAGEN W/SBA

Panel Set: 2

5019

&9L4

BATNEG5.0

L18&LU3

TXL

.50BLK

Page -1SEO Relay Fuse Center

ACSRYJPR

120658632M M/P 480

A

001

12103965

Ring Term - Gen 3

UPC FNA12103965

MOBILE RADIO

155A8A-

7

-SBA

ENG ENG

&SBA

750

GRA23.

TXL0.80.8 TXL

.23GRA

50

8.0 FUSELINK

.1RED

5037

=&L59/LM7/LQ4/LQ9/LR4

BATPOS

ENGINE CONTROLS

20A/B/C8A-Page -4Pcm

001

15355066

gener_lftermGenerator Asm

6Y 1 0050A

A BBAT C

CASE

D

Ring Term-QS4Bat12146365

A

B

00215336662FNAUPC

Ring Terminal - Junct Blk Ctr Strip

15336662A

B

mega_125a 001QS4M - Megafuse-125A

UPC FNA

125AMPS

A

B

002

12146365FNA UPC

0.8

2:38:59 pm

Thursday, August 8, 2002&L18/L59/LM7/LQ4/LQ9/LR4/LU303 XCK EAU

STARTING & CHARGING (GAS)1 CKMC03PROD

2

ENG

-SBA

750

BRN25.

TXL

A

009264

k33030asheet1schematic $IVEDWORK/k33030a__009

12052613

BATNEG2F M/P 480

50

BLK

8A-Page -5Gnd Zone #1

GND DIST

14A

650.

SGX32.0BATNEG

=&LU3

192

19250

RED1.

SGX32.0BATPOS

003

A

B

650

POWER DIST

10A/B8A-Page -2/1Uhbec

12146366

Ring Terminal-L18/LU3

UPC FNA12146366

0034200A12A

pe058080Block Asm-Bat Pos Cbl Junct

A

BLK50

192

=-LU3

BATNEG32.0 SGX

.

GND DIST

Page 8A-20A/B/C

ENGINE CONTROLS

14A8A-Page -3Gnd Zone #6 LU3 Bat Neg

Pcm4-

8.0BATNEG

1950

BLK150.

TXL

50

RED1.

FUSELINK8.0

19.0 STX

.1RED

50113

=&L18/LU3

BATPOS

BATPOS

=&L18/LU3

37

3-Page 8A-45A

FOUR WHEEL STEERINGQS4 Module

P

N

12103501

Ring Term - Junct Blk

UPC FNA12103501 002

A

B

00312191460FNAUPC

Ring Term - Uhbec

12191460

A

B N-12129465P- 12129465

FNAUPCbatt1Prim Battery 1

001

&SBA

ENG

GND DIST

14A8A- -3Case Gnd

Page

0.8 TXL

.25BRN

507

Ring Term - QS4M Megafuse

UPC FNA12146365 002

A

B

BATPOS13.0 STX

.1RED

5075

=&L59/LM7/LQ4/LQ9/LR4/LU3&NYS

12146365

19.0 STX

.1RED

50113

BATPOS

GND DISTGnd Zone #6

3-Page 8A-14A

SB001

SGX

.1RED

50192

=&LM7/L59&8Y9

(Page 3)

LTERM

ALT_FTERM

FTERM

(Page 3)

BATPOS32.0

BAT_PWR1

BAT_GEN

(Page 3)

SEORLY_GND50

1042 QS4_BAT

(PAGE 3)

DUAL_BATT2

BAT_ZONE6BAT_ZONE1

LU3_NEG

BAT_POS

(Page 1)1

ALT_GND

ALT_LTERM

Starting and Charging: Gas

K33030a_009_02

D-135PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

-

+

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

DRIVER

FIELDPHASE

CS130FIELD (ROTOR)

STATOR LAMP

AC SENSE

TURN ON INPUT

DC SENSE

G3 ~

Panel Set: 3

32.0 SGX

.750BLK

50192

=&LM7/L59&8Y9

N

=&LM7/L59&8Y9

19250

RED1.

SGX32.0BATPOS

BATNEG

00315358800FNAUPC

Ring Term-Starter 2

15358800

A

B

N-12146466P-12146466

FNAUPCbatt2Prim Battery 2

001

P

14A8A-Page -3Gnd Zone #7

GND DIST

3

PROD CKMC031STARTING & CHARGING (GAS)CK EAU X03 &L18/L59/LM7/LQ4/LQ9/LR4/LU3

Thursday, August 8, 2002

2:38:59 pm

$IVEDWORK/k33030a__009schematic sheet1

k33030a264

009

14A

GND DIST

0.5 TXL

.5668BRN

507

&SBA

ENG

PageCase Gnd

3-8A-

C

CASE

D

SBA Mdl1-Page 8A-44D

SUPPLEMENTAL BRAKE ASSIST

001

12186568

gener_sbaGenerator Asm-W/SBA

6Y 1 0050A

A BBAT

BAT_ZONE7

BAT_GEN

(Page 2)

ALT_GND

ENG_ON

25

LTERM

(Page 2)

23

FTERM

(Page 2)

(PAGE 1)

DUAL_BATT1

DUAL_BATT2

(PAGE 2)1

Starting and Charging: Gas

K33030a_009_03

D-136PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

M

-

+

SA1433

1433

IP ENG ENG ENG1433 1433 625 6

12193614

87

86

85

30

Start Rly

44-1

PART #

PART #

PAGE 8A-POA NSBU SW

30-1PAGE 8A-

POA CLUTCH SW

PCM/ECM

POWER DIST

10A/B8A-Page -

20-1BRAKE

030-1

START

Panel Set: 1

&5X7

START

Page -1Aux Bat

12191457

Ring Term - Wrecker Pack

UPC FNA12191457 002

A

B

13IGN1-IGNE (Uh Bec)

10A

WRECKER PACKAGE

110C8A-

ENGINE CNTRL

208A-Page -5Ecm - Stat Sol Rly

IP12M GT 150/28015336209

B

.

TWP0.35IP

=&MG5/ML6/MW3-JF4

750

PNK639

1.

SGX32.0BATASM

19250

RED

FNA

12129840J2-

J2-E

J2-G

3/2Batt Ign A

40A

POWER DIST

10A/B8A-Page -

12064860

001cltch_sw_btmMan Cltch Sw-Btm Of Trvl

12E 1750A

C

D

UPC

NSBU-Start Sweau_nsbu_sw 001 00601113296

Motor Starter V8

6Y 2 0050A

B

B_CASE

S

S_CASE

IP0.35

IPC

TWP

.1433GRN DK

507

=&MG5/ML6/MW3-JF4

1533620912M GT 150/280

SGX32.0BATASM

19250

B

BRKCLTCH12F GT 150/28015336205

B

BLK750.

BRKCLTCH

=&MG5/ML6/MW3-JF4

750

GRN DK1433.

TWP

001UPC02965721Ring Term-Starter 1

02965721FNA

A

009173

k33030bsheet1schematic $IVEDWORK/k33030b__009

12:18:01 pm

Thursday, August 1, 2002&LB703 XCK EAU

START & CHARGE (DIESEL-DUAL GEN)1 CKMC03PROD

1

0.35

&M74

750

GRN DK1433.

TXL0.35ENG

12193905

J1-A11 J2-D11J2-D12J2-F11

-Page 8A- 10A/B

POWER DIST

10A

IGN1-IGNE (Uh Bec)13

002Blk Asm - Ubec Starter Rlyubec_625UPC FNA

12193906

14B8A- -3PageStarter Case

GND DIST

8A-14B

50192

BATASM32.0 SGX

.1RED

GND DISTGnd Zone #7

3-Page

ENG0.35 TXL

.639PNK

507

&M7412F GT 150/280BRKCLTCHC

001Prim Battery 2batt2UPC FNA

12146466P-12146466N-

P

N

15336205

15358800 003

A

B

TWP

.639PNK

507

=&MG5/ML6/MW3-JF4

BRKCLTCH0.35

1950

PPL6.

TXL5.0ENG

15358800

Ring Term-Starter 2

UPC FNA

2 AUX_BAT1

RLY_BAT142

(Page 2)

SEC_BAT

STARTER_GND

CLUTCH_MAN NSBU_AUTO

START_RLY625

BAT_ZONE7

Starting and Charging: Diesel-Dual Gen

K33030b_009_01

D-137PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

-

+

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

DRIVER

FIELD PHASE

CS130FIELD (ROTOR)

STATORLAMP

AC SENSE

TURN ON INPUT

DC SENSE

G3 ~

DRIVER

FIELDPHASE

CS130FIELD (ROTOR)

STATOR LAMP

AC SENSE

TURN ON INPUT

DC SENSE

G3 ~

Panel Set: 1

DUAL GEN

SINGLE 105A GENSINGLE 150A GENDUAL 105A GEN

K64:K65:

RPO LEGEND:

SINGLE GEN

K68:

&9L4

&YF2/8X5

SAME CONFIG AS K65SEO:

150BLK

14A8A-Page -5Gnd Zone #1

GND DIST

5019

BATASM8.0 TXL

.

GND DISTGnd Zone #6

3-Page 8A-14A

TXL

2M M/P 48012065863

ACSRYJPRA

5.0BATASM

&9L4

1950

BLK50.

12103501FNAUPC

Ring Term-Junct Blk Sinle Gen

12103501

002

A

B

0034200A12A

pe058080Block Asm-Bat Pos Cbl Junct

A

004

12146366

Ring Term - Dual Gen

UPC FNA12146366

A

B

12146745

Ring Term-Junct Blk Dual Gen

UPC FNA12146745 003

A

B

FUSELINK

.1RED

5037

&K65/8X5

BATASM8.0

32.0BATASM

19250

RED1.

SGX

B12191460

Ring Term - Uhbec

UPC FNA12191460 003

A

-Page 8A- 20D

ENGINE CNTRL

50

RED1.

FUSELINK8.0

SB001

Ecm6

1.

FUSELINK8.0BATASM

&K68/KG4

3750

RED

BATASM

&K65/8X5

37

.23GRA

507

ENG

113

BATASM19.0 STX

.1RED

50

0.8 TXL

50

BRN25.

TWP0.8

PageCase GndGND DIST

14A8A- -3

ENG7

50

RED1.

STX19.0

ENGINE CNTRLS

20D8A-Page -6Ecm

BATASM

&K65/K68/KG4/8X5

75

BBAT C

CASE

D

ENGINE CNTRLS

20D8A-Page -6Ecm

BATC

CASE

D

001

15355066

gener_lftermGenerator Asm

6Y 1 0050A

A

001

12186566

gener_l2termGenerator Asm - Dual

6Y 1 0050A

AB

009173

k33030bsheet1schematic $IVEDWORK/k33030b__009

12:18:01 pm

Thursday, August 1, 2002&LB703 XCK EAU

START & CHARGE (DIESEL-DUAL GEN)1 CKMC03PROD

2

2F M/P 480BATNEG

12052613

A

1Uhbec

POWER DIST

10B8A-Page

SEO Relay Fuse Center1-Page 8A-155A

MOBILE RADIO

12146366FNAUPC

Ring Terminal - LB7 gen

12146366

004

A

B

-

001Prim Battery 1batt1UPC FNA

12129465P-12129465N-

P

N

B

19250

BLK650.

SGX32.0

15336662

Ring Term - Junct Blk Ctr Strip

UPC FNA15336662 002

A

LB7_FTERM

BATASM

1

SEC_BAT

(Page 1)

2524 ALT_L2TERM

ALT_GND

50 SEORLY_GND

LB7_LTERM

BAT_ZONE1650 BAT_ZONE6

BAT_PWR1

Starting and Charging: Diesel-Dual Gen

K33030b_009_02

D-138PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

CRUISE

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

PAGE 8A-

110-4WIPER 091-1

034-1

047-1

26062266

HORN

Panel Set: 1

152-1STEERWHL

POA STRG COL

TRNHZ

010-1SIR

040-1IGN

CRUISE

STRG WHL - HIRES SNSRHires Pos Snsr

1-Page 8A- 45B

BRN50

7

IP0.35

007118

k33034asheet1schematic $IVEDWORK/k33034a__007

8:52:54 am

Tuesday, March 26, 2002&K3403 XCK EAU

CRUISE CONTROL1 CKMC03PROD

1

TXL

.41

IP

NE

UT

RA

L

ON

OF

F

STRG Col Asm - Cruise Cntrl Sw004

15417597

FNAUPC

eau_cruise_sw

B1B10

B18

B32

GRA397.

TXL

0.35 TXL

.87GRA/BLK

507

IP7

50

BLU DK84.

TXL 0.35IP

750

110A/B

EXTERIOR LIGHTS

1532608516M GT 150 280ENGINEA

0.35

BRAKES

44A/B/C8A-Page -5/2/2VSES/Abs

Vehicle Stop (Ubec - 1320)2-Page 8A-

TXL

.396BLU LT/BLK

507

IP0.35

Page 8A- 20C

ENGINE CONTROLS

0.5IP

750

BLU LT1320.

TXL

IPA

GND DISTMbec 1851

11-Page 8A-14A

Mbec - 8175-

10A

Pcm/Ecm4-Page 8A- 20C

ENGINE CONTROLS

1532608416F GT 150 280

IGN

G

BRAKELAMP

SPARE

H J

CRUISEENGAGE/DIS

VSS

K

POWER DIST

10A/B8A-Page -12/10IGN3-Cruise (LH Bec)

ON/OFF

A

(SENSE)SET

B

COAST

C

RESUMEACCEL

D

BRAKE

E

GND

F

-Page 8A-10A/B

POWER DIST

10A

Cruise (LH Bec)12/10

001

12177081

FNAUPC

cruise_cntl_modMod Asm - Cruise Control

BRK_FD

1851 CRUISE_GND

CRUISE_ENG396

CRUISE_SW41

817 CRUZ_4KPPM

CRUISEMDL_PTO

41 HIRES_PWR

BRK_CLTCH379

Cruise Control

K33034a_007_01

D-139PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 1

14A8A-Page -7Gnd Zone #10

GND DIST

3 4 5 6 7 8

9

1

10111213141516

2

IP0.35

Class 2SERIAL DATA LINK

55A8A-Page -1

16f M/P 150 Data Link Conn.

FNAUPCdata_link_conn

12110250

001

14A8A-Page -10Gnd Zone #18

GND DIST

TWP

.1132PPL

507

CKMC031DATA LINK CONNECTOR (DLC)CK EAU X03

Tuesday, October 23, 2001

2:39:16 pm

$IVEDWORK/k33050a__005schematic sheet1

k33050a47

005

3/2Bat - Cigar (Uh Bec)

15A

POWER DIST

10A/B8A-Page -

DLC_GND21050

DLC_GND11851

DLC_PWR640

CL2_DLC

1

BETA

Serial Data: Data Link Connector (DLC)

K33050a_005_01

D-140PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

IP

LFDOOR

1046

IP

IP

1045

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IP

RFDOOR

1047

&L18/LB7&M74

06/36#43/53&NYS03/43/53-NYS

Panel Set: 1

1219390612194035

J1-E5

J3-JBlk Asm - Mbec Cl2 (INFO/IP)mbec_1045 001UPC FNA

1219390512194035

J1-B1

J9-B

IP0.35

Blk Asm - DDMlbec_1046 001UPC FNA

(HSD/LSD)

J2-22253A-A3

PDM

TWP

.1047TAN

507

1-Page 8A- 27

LCT TRANSMISSIONTcm Mod

2218.

TWP0.35IP

&03/43/53-NYS

750

BLU DK/WHT

7

-Y91

IP0.35 TWP

.1045PNK

50

IP

&L18/LB7&M74

750

YEL2470.

TXL0.35

HVAC

65A/68A8A-Page -1Hvac Mdl

INFOJMPR0.35

TWP

.1037GRN LT

507

IP0.35

507

=&06/36#&43/53&NY

IP0.35

TWP

.1045PNK

507

&06/36/43/U1S/U42/U2K/U2L/UE1-Y91

TWP

.2218BLU DK/WHT

81A8A-Page -1Ipc

.

TWP0.35IP

&Y91

750

PNK1045

IP CLUSTER

TWP

.1133GRN DK/WHT

507

&NP1/NP8/NR4

IP0.35

TWP

.1128BLU DK

507

&03/43/53-NYS

BODY0.35

15305132

A

0.35BODY

&43/53&NYS

750

BLU DK1128.

TWP

H

J

K

LM

16M GT 280BODY

15305291

Datalink Class 2 - IP002splsvr_cl2_ip

AB C

DE FG

Passkey Snsr1-Page 8A-133A

THEFT DETERRENT

UPC FNA

22M GT MXDBODY

15317322

B5

TXL

.2567GRA

507

&NYS

IP0.35

0.35 TWP

.1046BRN

507

&YE9

IP

BODY0.35

Dsm1-Page 8A-140A

SEATS

(HSD/LSD)

J2-22254A-1

DDM

507

&43/53&AG2&NYS

BODY0.35 TWP

.1048BRN/WHT

507

&03/43/53&AG2-NYS

TWP

.2218BLU DK/WHT

507

&06/36

BODY0.35

TWP

.1048BRN/WHT

Radio Mdl

Qs4 ModFOUR WHL STRG

45A8A-Page -3

1-Page 8A-150A/B/C

INFOTAINMENT-PREMIUM

03 XCK EAU

SIR

47B8A-Page -1Sdm (PU)

SERIAL DATA LINK (CLASS II)1 CKMCEPROD

1 Monday, September 9, 2002009

254

k33055asheet1schematic $IVEDWORK/k33055a__009

2:56:24 pm

DLC

50A8A-Page -1Dlc

15305133A

1531732522F GT MXDIPB5IP

16F GT 2801540149512193922

J1-7B

J7-B

16F GT 150 280IP

15326084R

50

PPL1807.

TWP0.35IP

&T89

7

Blk Asm-Rbec PDM Cl2rbec_1047 00112H FNA

ENGINER

ENG16M GT 150 28015326085

H

1532608516M GT 150 280

ABS/VSES

448A-Page -2

TWP0.35LFDOOR

15326084

IP16F GT 150 280H

Brakes1/1-Page 8A-38A/C

TRANSF CASE CNTLAtc Mod

&YE9

750

BRN1046.

TBC

(WUR)CLASS 2-1

251A-4 J2-B12

Pcm/EcmENGINE CONTROLS

20A/B/C/D8A-Page -8/12/8/8

TWP

.1038WHT

507

IP0.35

50

GRN DK1049.

TXL

0.35 TWP

.1047TAN

50

&YE9

7

RFDOOR

0.35IP

7

IP_STAR

(Page 4)

CL2_PKEY

1132 CL2_DLC

BODY_STAR

(Page 2)

(Page 1)

DSM_4353

1048

DSM_4353

(Page 1)

SDM_CL2_PUDSM_CL2_PU

CL2_BRK1122

(Page 3)

INFO_STAR

CL2_RDIO1044

CL2_TCM2470CL2_HVAC

DDM_CL2

1036 CL2_IPC

CL2_ENG1049 CL2_ATC CL2_QS4

PDM_CL2

TBC_CL2

Serial Data: Serial Data Link (Class II)

K33055a_009_01

D-141PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Z55

Panel Set: 2

&06/36&AG2

POWER SEATS

140A8A-Page -1Dsm

RIDE CONTROL

438A-Page -1Rtd Mdl

1-Page 8A- 69

AUX RR HVACRr Ecc Mdl Sdm (UT)

SIR

47A/B8A-Page -1

D

EF

UPC FNA

12191910

Datalink Class 2 - Body001splsvr_cl2_body

A

B

C

03 XCK EAU

SERIAL DATA LINK (CLASS II)1 CKMCEPROD

2 Monday, September 9, 2002009

254

k33055asheet1schematic $IVEDWORK/k33055a__009

2:56:24 pm

BODY

&06/36

750

BLU DK1128.

TWP0.35

1048 DSM_CL2_UT

SDM_CL2_UT2289 CL2_RRECC

2218

BODY_STAR

(Page 1)

1126 CL2_RTD

Serial Data: Serial Data Link (Class II)

K33055a_009_02

D-142PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

-Y91

Panel Set: 3

&U2L/U2K

-Y91

INFOTAINMENT - RSE

88A8A-Page -1Rse Mdl

M

E FG H

J

K

L

splsvr_cl2_info 003Datalink Class 2 - Info/Ip

FNAUPC

12176461

AB C

D

INFOTAINMENT-PREMIUM

150B8A-Page -3RSA Mdl

TWP

.2288BLU LT

507

&06/36/43&UQ7-Y91

INFOJMPR0.35

Onstar MdlONSTAR

85A/C8A-Page -1

Page -1Dab/Sdars Module

DAB/SDARS

87A8A-

0.5INFOJMPR

&U42-Y91

750

GRN LT/BLK1098.

TWP

k33055a254

009Monday, September 9, 20023

PROD CKMCE1SERIAL DATA LINK (CLASS II)CK EAU X03

2:56:24 pm

$IVEDWORK/k33055a__009schematic sheet1

CL2_INFORSE

1045

INFO_STAR

(Page 1)

CL2_INFODAB2271

CL2_INFONST1127

CL2_INFORSA

Serial Data: Serial Data Link (Class II)

K33055a_009_03

D-143PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&Y91

&U2L/U2K

&Y91

Panel Set: 4

750

GRN LT/BLK.

TWP

1098

0.35IP

&U42&Y91

RSA Mdl3-Page 8A-150B/C

INFOTAINMENT-PREMIUM

0.35IP

&Y91

750

BLU LT2288.

TWP

4

PROD CKMCE1SERIAL DATA LINK (CLASS II)CK EAU X03

Monday, September 9, 2002

2:56:24 pm

$IVEDWORK/k33055a__009schematic sheet1

k33055a254

009

750

TAN5072.

TWP

Dab/Sdars Module1-Page 8A- 87B

DAB/SDARS

0.8IP

&U1S&Y91

Page -1Rse Mdl

INFOTAINMENT

88B8A-

K

LM AB C

DE FG H

J

12176461

UPC FNA

Datalink Class 2 - 12Way-IP003splsvr_ip_cl2

-1Remote CDX

REMOTE CD PLAYER

153B8A-Page

1-Page 8A-85B/D

ONSTAROnstar Mdl

INFOTAINMENT-PREMIUMBose Amp

5-Page 8A-150C

2272

TWP

.BLU DK

507

&Y91

IP0.35

1045

IP_STAR

(Page 1)

CL2_IPONST1127

2271 CL2_IPDABCL2_CDXCL2_IPRSA CL2_IPRSECL2_AMP

Serial Data: Serial Data Link (Class II)

K33055a_009_04

D-144PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LO

W A

IR

RIG

HT

TU

RN

IGN1

LO

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EV

EL

CH

AN

GE

OIL

DR

L/P

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RK

LO

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RV

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SE

AT

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LT

BR

AK

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BA

TT

ER

Y

EN

G O

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RS

PE

ED

AB

S

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

POWER DIST

10A/B8A-Page -15/13IgnE (Uh Bec)

10A

POWER DIST

10A/B8A-Page -3/1Ipc/Dic Fuse (Uh Bec)

10A

17-Page 8A- 10A

POWER DIST

10A

SEO Ign Fuse

Trip1-Page 8A-152A

STEERING WHEEL CONTROLS

1327.

TWP

&YE9

IP0.35 TWP

.1816ORN

0.35IP

&YE9

750

YEL50

7

.

TWP0.35IP

750

BLU DK2115

50

BLU LT2114.

TWP0.35IP

7

B7

FUEL INFO

B8

UNUSED

B9

IGN1UNUSED

B2 B3

UNUSED

B4

DIC SELECTTRIP

B5

RE/SET

B6

HAZARD

A8

R TURN/L TURN/

B1

HAZARDUNUSED

B10 B11

BATT003cluster_ipc

IPC/DIC Cluster- Asm

UPC

12110088

FNA

8A-

110ALt Turn (Lh Bec)

3-

110A

EXTERIOR LIGHTINGRt Turn (Lh Bec)

3-Page

7

&YE9

IP0.35 TWP

.894BLU DK

50

Page 8A-

EXTERIOR LIGTHING

0.35IP

&YE9

750

GRN DK/WHT1358.

TWP

Dic Select-Page 8A-152A

STEERING WHEEL CONTROLS

1

2840.

TWP

RE/SET Sw1-Page 8A-152A

STEERING WHEEL CONTROLS

0.35IP

-8S8

750

ORN

IP

&8S8

750

ORN4540.

TWP0.5

8A-Page -

0.35 TWP

.739PNK

507

&8S8

IP

03

Tuesday, April 2, 2002

2:58:06 pm

$IVEDWORK/k33081a__008schematic sheet1

Fueling1-Page 8A-152A

STEERING WHEEL CONTROLS

8SEO B1 Fuse

15A

POWER DIST

10A

k33081a229

0082

PROD CKMC031INSTRUMENT PANEL CLUSTERCK EAU X

IPC_SEOIGN IPC_SEOB1

639 IPC_IGNE

DIC_SELECT

DIC_TRIP

DIC_PERS

DIC_FINFO

IPC_RTRN

IPC_LTRN IPC_PWR

Instrument Panel Cluster

K33081a_008_01

D-145PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&JF4-JF4

Panel Set: 3

12M GT 150/28015336209

IPJ

Case GndPage 9-8A-14A

GND DIST

TBC

251A/B-3 J4-A7

PARKBR(DI)

0.5 50

BLU LT1134.

TWP

12092133FNAUPC

Sw Asm - Park Brk Ind001park_brksw

A

IP

&JF4

70.35 50

BLU LT1134.

TWP

BRKCLTCH

&JF4

7

.1134BLU LT

500.5 7

-JF4

BRKCLTCH

0.35 7

-JF4

IP

TWP

TWP

.1134BLU LT

50

12F GT 150/28015336205

BRKCLTCHJ1530469218F GT MXDBRKCLTCHA3

1533646818M GT MXDIPA3

008229

k33081asheet1schematic $IVEDWORK/k33081a__008

2:58:06 pm

Tuesday, April 2, 200203 XCK EAU

INSTRUMENT PANEL CLUSTER1 CKMC03PROD

3

PRK_BRKSW

PBRK_GND

Instrument Panel Cluster

K33081a_008_02

D-146PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

FWDLP IP

1

711

1

311 1969

A 10A

12092079LO HDLP-RTB B B B

A

HI HDLP-LT

IP FWDLP FWDLP FWDLP

1346

HI HDLP-RT

10A

691

SA1346

1346

SB1346

HDLP Relay - Low

3086

85

1970

12088567

312

8587

712

30 86

HDLP Relay - High

1 1

SA1 SB1

691

12092079

A

691

LO HDLP-LT

10A 10A

12092079

1346

12092079

A

87

12088567

EXP DOM EXPDOM

Lh Hi Beam

FNAUPChigh_beam

12059183

A

B

Panel Set: 1

TBC

001

251A-3 J2-B1

POWER DIST

10A/B8A-Page -3/1Main Batt Bus

14A8A-Page -5Gnd Zone #1

GND DIST

.

TXL0.5

14A8A-Page -17Gnd Zone #5

GND DIST

001Lh Hi Beam

FNAUPCbeam_hi

12059181

A

B

FWDLP

&TR6

750

GRN DK/WHT711

FNA

Rh Hi Beam001

A

B

0.5 TXL

.311GRN LT/BLK

507

-TR6

FWDLP

GND DISTGnd Zone #1

5-Page 8A-14A

12059183

high_beamUPC

.711GRN DK/WHT

507

-TR6

FWDLP

1970.

TWP0.5

0.5 TXL

Main Batt Bus3/2-Page 8A-10A/B

POWER DIST

IP7

50

PNK/WHTTWP

.1969BLK/WHT

507

IP

251A-2TBC

J2-A4

12059181

beam_hiUPC FNA

Rh Hi Beam001

A

B

0.5

FWDLP

&TR6

750

GRN LT/BLK311.

TXL0.5

17Gnd Zone #5

GND DIST

12059181

lo_beamUPC FNA

Lh Low Beam001

A

B

14A8A-Page -14A8A-Page -5Gnd Zone #1

GND DIST

J1-B9J1-D3 J4-E2 J4-E3J4-F4J4-F5

Blk Asm - Ubec Headlampsubec_311 00112H 4676A

1219390512193914

GND DISTGnd Zone #5

17-Page 8A-14A

FWDLP

12059181

lo_beamUPC FNA

Rh Low Beam001

A

B

YEL712.

TXL0.5FWDLP

0.5 TXL

.312TAN/WHT

507

03 -Z75

Tuesday, January 21, 2003

1:15:23 pm

$IVEDWORK/k33100a__007schematic sheet1

k33100a187

007

750

2of1

PROD CKMCE1HEADLAMPS (NON Z75)CK EAU X

550 LHHI_GND1 150 RHHI_GND1LHHI_GND3550 RHHI_GND3150

HDLP_LOW HDLP_HIGH

TBC_LOWBM TBC_HIBM

LHLOW_GND1550150 RHLOW_GND1

Headlamps: Non Z75

K33100a_007_01

D-147PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATIONS

EL

EC

TB

EA

M

FT

P

POA HDLP SWPAGE 8A-100-2HDLP

STEERWHL

091-1

152-1

FTPHORN

PART#BTSI

117-3INTLTSDIM

100-2

PASSLOCK

CRUISE

040-1

138-1034-1

PAGE 8A-

WIPER110-4

IGN 010-1

TRNHZ

133-1SIR

114A/B-4/3

047-1

PART#

POA STRG COL

Panel Set: 2

PARK LAMP

J3-B2251A-2SWITCH

BEAM

J3-B9251A-3SELECT

251A-3 J4-A2

FTP

TWP

.11GRN LT

507

IP0.35

359.

TWP0.35

002

15417597

mult_ftp_bus1C 5D3050A

STRG COL-Multi-Function Sw

B16B17

IP

-T79

750

PPL

XCK EAU

HEADLAMPS (NON Z75)1 CKMCEPROD

2 2of

007187

k33100asheet1schematic $IVEDWORK/k33100a__007

1:15:23 pm

Tuesday, January 21, 2003-Z7503

DEFEAT251A-2 J3-A8

AHLDIS (DI)

308GRA/BLK

507

IP0.35 TWP

.

0.35IP

750

WHT103.

TWP

AH

L/D

RL

5

7

HE

AD

LA

MP

DR

L O

FF

8

9

15405512

Blk Asm-Hdlp Swhdlp_sw

UPC FNA 005

(SH

OW

N IN

OF

F)

2

PA

RK

-L

AM

P

3

AH

L/D

RL

4

DE

FE

AT

588.

TWP

0.35IP

750

YEL307.

TWP

J2-B8251A-3

0.35IP

750

GRN DK

Gnd Zone #18 (Mbec)11-Page 8A-14A

DRLOFF(WUF)

J2-B5251-3

TBC

GND DIST

0.35 50

PNK1348.

TWP

IP

7

251A-2 J4-A12

HEADLAMPSWITCH TBC

4/3-Page 8A-114A/B

INTERIOR LIGHTINGHeadlamp Sw

Page 8A-117A/B

DIMMING CNTL1382 Mbec

8/7-Page 8A-110A/B

EXTERIOR LIGHTINGMulti Function Sw

2-

1851 HDLP_GND1

HIBEAM_GND

TBC_HDLPON

1382 HDLP_DIM

1851 CTSYSW_GND

TBC_HIBMSELTBC_PRKLP TBC_FTPTBC_HDLP DRL_DFT

TBC_DRLOFF

Headlamps: Non Z75

K33100a_007_02

D-148PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

FWDLP IP

1

711

1

311 1969

A 10A

12092079LO HDLP-RTB B

A

HI HDLP-LTB B

IP FWDLP FWDLP FWDLP

1346

HI HDLP-RT

10A

691

SA1346

1346

SB1346

HDLP Relay - Low

3086

85

1970

12088567

312

8587

712

30 86

HDLP Relay - High

1 1

SA1 SB1

691

12092079

A

691

LO HDLP-LT

10A 10A

12092079

1346

12092079

A

87

12088567

&Z75

&TT6

110A-4

PART#

&TT6&Z75

&TT6

Z75-LH/RHDRL-LH/RH

100A-1102A-1

PAGE 8A-POA HDLP SW ASM

Panel Set: 1

Z75-LH/RH

&TT6

PRK/TRN/MKR-LH/RH110A-4

PRK/TRN/MKR-LH/RHDRL-LH/RH

100A-1102A-1

PAGE 8A-POA HDLP SW ASM

PART#

Main Batt Bus3/1-Page 8A-10A/B

POWER DIST

H

J

7

FWDLP

LOWHIGH

Hdlp Asm - Lhz75_hdlpUPC FNA 12065425

001

F

G

0.5 TXL

.711GRN DK/WHT

50

8A-Page -3/1Main Batt Bus

0.5 TWP

.1970PNK/WHT

507

IP

POWER DIST

10A/B

IP7

50

BLK/WHT1969.

TWP0.5

J2-A4TBC

251A-2

GND DISTGnd Zone #1

5-Page 8A-14A

TBCJ2-B1251A-3

hid_asm 002HID Asm-LT

UPC FNA

10757671

1

2 3

J4-E3J4-F4J4-F5

14A8A-Page -17Gnd Zone #5

GND DIST

Blk Asm - Ubec Headlampsubec_311 00112H 4676A

1219390512193914

J1-B9J1-D3 J4-E2

PROD1 2of

00558

k33100bsheet1schematic $IVEDWORK/k33100b__005

1:47:25 pm

Tuesday, January 21, 2003&Z7503 XCK EAU

HEADLAMPS (&Z75)1 CKMCE

Page 8A-10A-9

POWER DIST

20A

LH HID/EXP LP (Ubec)RH HID/EXP LP (Ubec)

20A

POWER DIST

Page 8A-10A-9

10757671

FNAUPC

HID Asm-RT002hid_asm

1

2 3

14A8A-Page -5Gnd Zone #1

GND DIST GND DISTGnd Zone #5

17-Page 8A-14A

.712YEL

507

=&TT6

FWDLPFWDLP

=&TT6

750

TAN/WHT312.

TWP0.8 0.8 TWP

TXL0.5

001

12065425

FNAUPC

z75_hdlpHdlp Asm - Rh

HIGH LOW

F

G

H

J

FWDLP7

50

GRN LT/BLK311.

HDLP_HIGH

550 LHID_GND

LHID_PWR3540

HDLP_LOW

LHHI_GND2550 150 RHHI_GND2RHID_GND150

3640 RHID_PWR

TBC_LOWBM TBC_HIBM

Headlamps: Z75

K33100b_005_01

D-149PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

SE

LE

CT

BE

AM

FT

P

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

INTLTSDIM

100-2

PASSLOCK

114A/B-4/3

047-1

BTSI

117-3

CRUISE

152-1

FTP

010-1

TRNHZ

133-1SIR

HORN

PART#

040-1

138-1034-1

PAGE 8A-

Panel Set: 2

POA HDLP SWPAGE 8A-

STEERWHL

091-1

PART#

POA STRG COL

WIPER110-4

IGN

100-2HDLP

0.35IP

750

GRN LT11.

TWP

0.35 TWP

.359PPL

507

-T79

IP

AHLDIS (DI)

J3-A8251A-2DEFEAT

750

GRA/BLK308.

TWP

SWITCH251A-2 J3-B2

PARK LAMP

0.35IP

.1348PNK

500.35 7

IP

1382 MbecDIMMING CNTL

117A/B8A-Page -2

TWP

0.35

TWP

.307YEL

507

IP0.35

251A-3 J2-B8

TWP

.588GRN DK

507

IP

TBCSWITCHHEADLAMP

J4-A12251A-2

TBC

251-3 J2-B5

OFF(WUF)DRL

14A8A-Page -10Gnd Zone #18 (Mbec)

GND DIST

TWP

.103WHT

507

IP0.35

1HEADLAMPS (&Z75)CK EAU X03 &Z75

Tuesday, January 21, 2003

1:47:25 pm

$IVEDWORK/k33100b__005schematic sheet1

k33100b58

005

8/7

Headlamp SwINTERIOR LIGHTING

114A/B8A-Page -4/3

2of2

PROD CKMCE

5

AH

L/D

RL

DE

FE

ATH

EA

DL

AM

P

7 8

DR

L O

FF

9

Multi Function SwEXTERIOR LIGHTING

110A/B8A-Page -

(SH

OW

N IN

OF

F)

005 FNAUPChdlp_sw

Blk Asm-Hdlp Sw

15405512

LA

MP

PA

RK

-

2

3

4

AH

L/D

RL

FTP

J4-A2251A-3

15417597

002

B16B17

SELECT251A-3 J3-B9

BEAM

STRG COL-Multi-Function Sw

3050A 1C 5Dmult_ftp_bus

CTSYSW_GND1851

HDLP_GND11851

TBC_HDLPON

HDLP_DIM1382

TBC_HIBMSELTBC_PRKLP TBC_FTP

HIBEAM_GND

TBC_HDLP DRL_DFT

TBC_DRLOFF

Headlamps: Z75

K33100b_005_02

D-150PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

W/O CJ2 W/O CJ2 W/CJ2

RIGHT SOLARSENSOR

W/CJ2

Panel Set: 1002

26

k33101asheet1schematic $IVEDWORK/k33101a__002

5:38:27 pm

Thursday, January 3, 200203 XCK EAU

AMBIENT LIGHT / SOLAR SENSOR1 CKMC03PROD

1

TBC

251B-4 J3-A5

AMBIENT

A

SENSOR

B

RTN

TWP

.278WHT

507

-CJ2

IP0.35

SENSOR

251A/B-3 J4-B7

SENSORLEFT SOLAR

J3-B5251B-4

002

12047662

FNAUPClight_snsrLight Sensor

LIGHT

GRA50

7

&CJ2

IP0.35

SENSOR251A/B-3 J3-A4

AMBIENT LIGHT

TBC

RETURN

&CJ2

750

BLU LT/BLK590.

TWP TWP

.1548

TWP

.279BLK

507

&CJ2

IP0.35 0.35

IP

RTNSENSOR

CD

AMBIENTLIGHT

0.35IP

&CJ2

750

WHT278.

TWP

279.

TWP

002

12064760

FNAUPClight_solar_senAmbient Light / Solar Sensor

A

L SOLARSENSOR SENSOR

R SOLAR

B

LTSOLSENS RTSOLSENS

0.35IP

-CJ2

750

BLK

TBC_AMBLT TBC_SNSRTN

Ambient Light / Solar Sensor

K33001a_007_01

D-151PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

4840

A 10A

12092079DRLB

1

87

DRL Relay

IP FWDLP

12088567

30

85

864840 4840

592 545

SA4840

PART#Z75-LHZ75-RH

100A-1

ESCALADE

W/O VYU

Panel Set: 1

W/O VYU SNOWPLOW

DRL-LH

SNOWPLOW

W/O VYU SNOWPLOW

ESCALADE

102A-1DRL-RH 102A-1

POA HDLP ASM SW

PRK/TRN/MKR-LH 110A-4

BASE & SNOWPLOW

BASE & SNOWPLOW

W/O VYU

102A-1

POA HDLP ASM SW

DRL-LH 102A-1DRL-RH

100A-1

PAGE 8A-

SNOWPLOW

PART#Z75-LHZ75-RH

100A-1100A-1

PAGE 8A-

PRK/TRN/MKR-LH 110A-4PRK/TRN/MKR-RH 110A-5

PRK/TRN/MKR-RH 110A-5

150.

TWP0.5FWDLP

=&36&VYU#-Z75-VYU-T65

750

BLK150.

TWP0.5FWDLP

&VYU-36

750

BLK

BLK50

7

&VYU-36

FWDLP

7M M/P 15015326755

H

0.5 TWP

.150

SNOPLW7F M/P 15012047938

HFWDLP50

FWDLP

&VYU-36

750

BLK150.

TWP0.5

Hdlp Asm - Drl - Rhdrl_lampUPC FNA 12065425

001

C

K

7

=&36&VYU#-Z75-VYU-T65

FWDLP0.5 TWP

.545BLU DK

BLU DK50

7

&Z75

FWDLP

001

12065425

FNAUPC

drl_lampHdlp Asm - Drl - Lh

C

K

8A-Page -6Gnd Zone#1 (150 Splice)

GND DIST

14A

0.5 TWP

.545

FWDLPG

FWDLP

=&36&VYU#-Z75-VYU-T65

750

BLU DK545.

TWP0.5

SNOPLWG

153267557M M/P 150

TWP0.5

120479387F M/P 150

BLU DK50

7

&VYU-36

FWDLP

FWDLP

&VYU-36

750

BLU DK545.

FWDLP7M M/P 15015326755

G

0.5 TWP

.545

545.

TWP0.5

SNOPLW7F M/P 15012047938

G

750

BLU DK545.

TWP0.5

FWDLP

&Z75

750

BLU DK 0.5 TWP

.545BLU DK

507

&VYU-36

FWDLP

FWDLP

&VYU-36

150.

TWP0.5FWDLP

&Z75

750

BLK

10A

DRL (Uh Bec)5/13

002

15354859

FNAUPC

drl_wedgeDRL Bulp - LH

A

DR

L

B

PO

S

G

TBC251A/B-3 J2-B4

-Page 8A-10A/B

POWER DIST

8A-14A

FWDLP

&Z75

750

BLK150.

TWP0.5

DRL Bulp - RHdrl_wedgeUPC FNA 15354859

002

A

DR

L

B

PO

S

G

GND DISTGnd Zone#1 (150 Splice)

6-Page

=&36&VYU#-Z75-VYU-T65

FWDLP

TWP

.592GRN LT/BLK

507

IP0.35

J4-B2

0.5 TWP

.150BLK

507

CKMCE1DRL (DOMESTIC/ MIDDLE EAST)CK EAU X03

Tuesday, September 24, 2002

11:19:44 am

$IVEDWORK/k33102a__008schematic sheet1

k33102a30

008

Blk Asm - Ubec DRL Feedubec_3240 00312H 4676A

1219390512193914

J1-E3

0.5 TWP

.150BLK

507

&VYU-36

FWDLP

1

PROD

7F M/P 150SNOPLWH

153267557M M/P 150FWDLPH

TBC_DRLRLY

LHDRL_GNDRHDRL_GND

U1A_U1B

12047938

Daytime Running Lights (Domestic / Middle East)

K33102a_008_01

D-152PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

86

8587

12088567

FRT FOG LP RLY

34 1317FWDLP IP

30

FWDLP

=&03/43&T96-T89#&53&T96-T89-Y91

750

PPL34.

TWP0.80.8 TWP

.34PPL

507

=&03/43&T96-T89#&53&T96-T89-Y91

FWDLP

B

GND DISTGnd Zone #1

6-Page 8A-14A

GND DISTGnd Zone #1

5-Page 8A-14A

12059183

high_beamUPC FNA

LF Fog Lamp - PU001

A

B

001RF Fog Lamp - PU

FNAUPChigh_beam

12059183

A Page -1

IP7

50

GRN DK/WHT1317.

TWP0.35

8A-Page -

FFOG/HZDLSD

TBC251A/B-3 J2-A5

Cargo/ Frt Fog Lp SwCARGO/REAR WIPER

92A8A-

J4-D6

Batt (Uh Bec)5/3-Page 8A-10A/B

POWER DIST

5/3Fog Lp (Uh)

15A

POWER DIST

10A/B

FNAUPCfog_lampRF Fog Lamp - UT

A

B

1219391412193905

4676A12H001ubec_3440

Blk Asm - Ubec Front Fog Lamp

J1-B3

A

B

0.8 TWP

.34PPL

507

=&06/36&T96-T89#&53&T96&Y91-T89

FWDLP

001

12020599

14A8A-Page -5Gnd Zone #1

GND DIST

LF Fog Lamp - UTfog_lampUPC FNA

12020599

001

FWDLP

=&06/36&T96-T89#&53&T96&Y91-T89

750

PPL34.

TWP0.8

$IVEDWORK/k33103a__008schematic sheet1

FRONT FOG LAMPk33103a

144

0081

PROD CKMC031CK EAU X03 -T89

Wednesday, July 31, 2002

9:58:40 am

1317

14A8A-Page -6Gnd Zone #1

GND DIST

FOG_BAT13440 FGLP_FUSE

LHFOG_GND1150 RHFOG_GND1150

TBC_FFOGLP

150 LHFOG_GND2 150 RHFOG_GND2

FFOG_RLY

Front Fog Lamp

K33103a_008_01

D-153PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

1080 2109 25092609

2309

RR PARKB12092079

2309 2409

A 15A

BTRLR PARKB12092079

A

B LR PARK

10A A 10A12092079

F PARK

10A

A 10A12092079INT PK/ RFMKR

SB256

256

256 256

IP CHASSIS

256256

12193614

87

86

85

30

256

1

2309

SA2309

12092078A

B

Parklamp Rly

CHASSIS CHASSIS FWDLP FWDLP IP

1

SA1

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

IP

IP

2409

2409

Panel Set: 1

OTHER

W/PTO

CADILLAC

W/O SNOWPLOWW/ SNOWPLOW

OTHER

W/O PTO

CADILLAC

W/ SNOWPLOW W/O SNOWPLOW

SA2409

2409.

TWP0.35IP

&PTO

750

BRN

3-Page 8A- 47b

SIR (SDM)-PICKUPPSIR Defeat Sw

0.8 GXL

.2509BRN

507

CHASSIS

J3-B6 J3-C6J3-F6 J4-C1J4-C5

121939141219391612193905

FNAUPC002ubec_256

Blk Asm - Ubec Parklamps

J1-A12J1-F11

.

TWP0.8FWDLP

-Z75-VYU-T90-TR2

750

BRN2309

7

&Z75

FWDLP0.8 TWP

.2309BRN

50FWDLP

&VYU

750

BRN2309.

TWP0.8

&Z75

750

BRN2309.

TWP0.8FWDLP

SNOPLWB120479387F M/P 150

A FWDLP7M M/P 15015326755

PROD CKMC031EXTERIOR LIGHTING (DOMESTIC/ MIDDLE EAST)

0.8 TWP

.2309BRN

507

&VYU

FWDLP

CK EAU X03

4:02:56 pm

$IVEDWORK/k33110a__010schematic sheet1

k33110a14

010Wednesday, August 7, 20021

FWDLP

&VYU

750

BRN2309.

TWP0.8

SNOPLW7F M/P 15012047938

A

50

BRN2409.

TWP0.35IP

&C99

7

BRN2409.

TWP0.35IP

-PTO

750

Blk Asm - Mbec Park Lampsmbec_2409 001UPC FNA

12193905

J1-C10

J1-D10

7

IP0.35 TWP

.1080WHT

50

8A-119A/B

TRAILER WIRINGBlk Trailer Mbec

2/1-Page

.2309BRN

507

-Z75-VYU-T90-TR2

FWDLP0.8 TWP

CHASSIS7

50

BRN/WHT2609.

GXL0.8

0.8 TWP

.2309BRN

507

&VYU

FWDLP

POWER DIST

10A/B8A-Page -5/3Batt (Uh Bec)

J2-B2251A/B-2TBC

PARK(LSD)

TRAILER WIRING

119A/B8A-Page -1Inline

TWP

.2409BRN

507

&PTO

IP0.35

153267557M M/P 150FWDLPB

1-Page 8A-23A

PTOPTO Sw

(Page 10)

906_TAIL

2409

TRLR_STOP2

2409 PTO_DIM

2409

MRK_LP

(Page 8)

2109 TRLR_PRK

(Page 5)

RF_PKFD

23092309

LF_SDMKR

(Page 4)

PRKLP_BAT1

PSIR_DIM

LF_Z75

(Page 4) (Page 5)

RF_Z75LF_PKFD

(Page 4) (Page 5)

RF_SDMKR

PRKLP_RLY

TAIL_RRLP

(Page 6)(Page 6)

TAIL_LRLP

Exterior Lighting: Domestic / Middle East

K33110a_010_01

D-154PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

BODY1620

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

15A

1717

1620SA1620

SA17

12092078A

17 1320 1620

VEHICLE CHMSL

IP IP IP

10A12092079

BB

A

VEHICLE STOP

-

+

+

-

1320

IP

ENG CHASSIS

SA1320

1320

1320

16201620

HDLNRIP

CHMSLNEON

-JF4

110A-2

&JF4

CARGO_LP

BRAKE

PART#

CHMSL LP116-1

BRAKE110-2044-1

OR &LB7-NW7&L18/GEN3&NW7

&03/53/43

110-2PART#

BTSI 138-1044-1

POA ZAB SW

STOP LP

PAGE 8A-

PAGE 8A-

&JF4

POA CHMSL/CARGO LP

-JF4

Panel Set: 2

STOP LP

BTSI

PART#

PAGE 8A-

AVALANCHE

POA ZAB SW

138-1

UTILITY

EXTERIOR LIGHTING

110A8A-Page -2

EXTERIOR LIGHTING

110A8A-Page -2Lbec 1620

Blk Asm - Lbec1620lbec_1620 001UPC FNA

15328768

J4-H

Lbec 1620

CTRSAILD153268864F GT 280

-JF4

BRKCLTCH1.0 TWP

.1540ORN

507

1.0 TWP

.17WHT

507

&JF4

BRKCLTCH

14A8A-Page -15Gnd Zone #14

GND DIST

1.0IP

&JF4

750

ORN1540.

TWP1.0

15336205

BRKCLTCHG

IP

-JF4

750

ORN1540.

TWP

12M GT 150/28015336209

IPG

12F GT 150/280

18M GT MXD15336468

IPA5

18F GT MXD15304692

BRKCLTCHA5

H

12M GT 150/28015336209

IPH

12F GT 150/28015336205

BRKCLTCH

15304692

BRKCLTCHA6

18M GT MXD15336468

IPA6

18F GT MXD

1-Page 8A-119B

EXPORT TRAILER WIRINGTrlr Chmsl

chmsl_utility 001CHMSL/Cargo-Utility

UPC FNA

12047663

A

B

-JF4

IP1.0 TWP

.17WHT

507

J1-B8 J1-C8J1-F9

1532876812193906

FNAUPC002lbec_17

Blk Asm - Stop Lamp Fuse

17

4:02:56 pm

$IVEDWORK/k33110a__010schematic sheet1

k33110a14

010Wednesday, August 7, 20022

PROD CKMC031EXTERIOR LIGHTING (DOMESTIC/ MIDDLE EAST)CK EAU X03

IP

&JF4

750

WHT17.

TWP1.0

.1540ORN

507

&JF4

BRKCLTCH1.0 TWP

TRLR WIRING

119A8A-Page -2Trlr Chmsl

B

002UPC

Zab Sw Asm-Stop Lp (W/O JF4)stop_lamp_sw2

12040551FNA

A

15326886C CTRSAIL

4F GT 280

TWP

.1620BLU LT

507

IP

chmsl_pickup 002UPC FNA

12047785

CHMSL Pickup

C

D

0.5

GND DISTGnd Zone #12

12-Page 8A-14A

15326890

BODYC 4M GT 280

IP7

50

BLU LT1320.

TWP0.5

1620BLU LT

507

&06

BODY0.5 TWP

.

BRKCLTCH

-JF4

750

WHT17.

TWP1.0

0.5HDLNR

&03/43/53

750

BLU LT1620.

TWP

0.5 TXL

.1620BLU LT

507

&36

CTRSAIL

-Page 8A-10A/B

POWER DIST

25A

Stop Lp Sw (Uh Bec)3/2

8A- 21/20D

ELEC THROT CNTL/ENGINE CNTRLSEtc Module/ECM

F

1/4-Page

FNA12040551

stop_lamp_sw1Zab Sw Asm-Stop Lp (W/JF4)

UPC003

E

750

BLU LT1620.

TWP0.5BODY

&36

CTRSAIL

&36

750

BLK1250.

TXL0.5

1532876812193905

FNAUPC001mbec_1620

Blk Asm - Mbec Stop Lp

J1-F9 J3-J

121939161219390612193905

FNAUPC001ubec_1320

Blk Asm - Ubec Stop Lp

J1-E7

J2-A10 J3-F4

Cruise MdlCRUISE CNTL

34A8A-Page -1

CHASSIS0.8 GXL

.1320BLU LT

507

153268904M GT 280BODYD

CHMSL/Cargo-Avalanchechmsl_warriorUPC FNA

12047785

001

A B

Page -81851 MbecGND DIST

14A8A-

STOP_LPSW

LB16201620

LB1620

1620 TRLR_STOP1

ETC_STOP1320

1320

17

FLASHER

(Page 3)

1620 TRLR_CHMSL

BRK_FD

STOP_LP

(Page 6)

CHMSL_GND11050

CHMSL_GND31450

1250 CHMSL_GND2

Exterior Lighting: Domestic / Middle East

K33110a_010_02

D-155PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

FLASHER

AB

Flasher Module

IP IP

GHJ

K

GND 15764135

1851

1851

SA1851

IP IP STG COL STG COL STG COL

F

1618

ST/TRNRT TRLR

ST/TRNLT TRLR

BRAKE RT TURN LT TURN HAZARD L-TRN

18 686CDE

LT TURN

1619

10A A10A12092079RT TURNB

12092079

A

B

SA2115 SA2114

1427

17

BATT

A 10A

12092079RT TRLRB

12092079

A

B

2115

685

2114

LT TRLR

R-TRN

10A

19

2115

2114

111 1428

70.35 0.350.35 50

(Page 8)

111BLU LT

50

(Page 8)

50STGCOL

.

Panel Set: 3

HAZ_G

TWPTWP 7

1428BLU LT

.

HAZ_RFD

1427BLU LT

STGCOL

(Page 8)

STGCOL

HAZ_LFD

TWP 7

CHASSIS10M GT 150 SLD15326847

H

.

Ipc - Lt TurnIP CLUSTER

81A8A-Page -2

Trlr Rt1-Page 8A-119A/B

TRAILER WIRING

lbec_2115Blk Asm - Lbec2115

110A8A-Page -10

A

0.8IP

750

YEL1618.

TXL

.1619GRN DK

507

IP0.8 TXL 7

IP0.35 TWP

.2115BLU DK

50

IP10F GT 150 SLD15326842

H

-Page 8A- 130A

POWER LOCKSLF Pwr Door Lk Sw

5

Trlr LtTRAILER WIRING

119A/B8A-Page -1

11/8Flasher (Lh Bec)

25A

POWER DIST

10A/B8A-Page -

Mid Clean (Mbec 1851)GND DIST

Page 8A-14A-10

3 Wednesday, August 7, 2002010

14

k33110asheet1schematic $IVEDWORK/k33110a__010

4:02:56 pm

03 XCK EAU

EXTERIOR LIGHTING (DOMESTIC/ MIDDLE EAST)1 CKMC03PROD

0.35IP

750

BLU LT2114.

TWP

lbec_211410-Page 8A-110A

Blk Asm - Lbec2114

2-Page 8A-81A

IP CLUSTERIpc - Rt Turn

J1-A9J1-D10 J1-F3 J2-BJ2-CJ2-D

121940351219393012193906

FNAUPC002lbec_140

Blk Asm - Flasher Mdl

J1-A11J1-A8

A

2115 IPC_RTRN

1851 FLASHER_GND IPC_LTRN2114

2114 LB_2114LB_21152115

(Page 2)

FLASHER

17

140 FLSH_MDL

1619 TRLR_RTRN

1851 FLS_GND

1618 TRLR_LTRN

(Page 4)

RT_SIG

LT_SIG

(Page 4)

Exterior Lighting: Domestic / Middle East

K33110a_010_03

D-156PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

2114

IP

FWDLP CHASSIS

SA2114

2114

2114

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

DRL-RH

W/ SNOWPLOWW/ SNOWPLOW

Z75-RH 100A-1

PAGE 8A-

PRK/TRN/MKR-LH

POA HDLP ASM SW

Z75-LH

W/O SNOWPLOW

OTHER

Panel Set: 4

W/O SNOWPLOW

100A-1

CADILLAC

W/ SNOWPLOW

PART#

110A-4PRK/TRN/MKR-RH

W/O SNOWPLOW

102A-1

110A-5

102A-1DRL-LH

SNOPLWC120479387F M/P 150

.2309BRN

507

&VYU

FWDLP0.8 TWP

FWDLP

&VYU

750

BLU LT2114.

TWP0.8

153267557M M/P 150FWDLPC

0.8 TWP

.2114BLU LT

507

-Z75-VYU-T90-TR2

FWDLP

FNAUPC

z75_pk_trnPrk/Turn/Mkr-LH

MARKER

A

DE

PARK TURN

001

12065425

0.8 TWP

.2114BLU LT

507

&VYU

FWDLP

TWP0.8FWDLP

&VYU

750

BLU LT2114.

FWDLP

-Z75-VYU-T90-TR2

750

BRN2309.

TWP0.8

7

&VYU

FWDLP0.8 TWP

.2114BLU LT

50

FWDLPA153267557M M/P 150

-Z75-VYU-T90-TR2

750

BLU LT2114.

TWP0.8FWDLP0.8 TWP

.2114BLU LT

507

&Z75

FWDLP

GND DIST

14A8A-Page -6Gnd Zone #1

B

G

15324084

TU

RN

PA

RK

FNAUPC001prk_trn_lamp

A

E

LF Prk/Trn Lamp

0.8 GXL

.2114BLU LT

507

CHASSIS

A

50

BRN2309.

TWP0.8

120479387F M/P 150SNOPLW

FWDLP

&VYU

7

4 Wednesday, August 7, 2002010

14

k33110asheet1schematic $IVEDWORK/k33110a__010

4:02:56 pm

03 XCK EAU

EXTERIOR LIGHTING (DOMESTIC/ MIDDLE EAST)1 CKMC03PROD

121939141219391612193905

FNAUPC001ubec_2114

Blk Asm - Ubec LT Turn J1-F3

J3-B3J4-E1

E

GND DISTGnd Zone #1

6-Page 8A-14A

001

A

B

12110053

side_mrkr_lpUPC FNA

LF Side Mrkr

(Page 3)

LT_SIG

2114

(Page 6)

LRTRN_FD

150 LHPRK_GND1 LHPRK_GND2150

LF_Z75(PAGE #1)

2309

LF_SDMKR

(Page 1)

2309

LF_PKFD

(Page 1)

Exterior Lighting: Domestic / Middle East

K33110a_010_04

D-157PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

FWDLP

IP

SA2115

2115

2115

CHASSIS

2115

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Z75-LH

W/ SNOWPLOW

110A-5

W/ SNOWPLOW

PRK/TRN/MKR-RH

102A-1Z75-RH

POA HDLP ASM SW

W/O SNOWPLOWW/O SNOWPLOW

102A-1

PART#

110A-4PRK/TRN/MKR-LH

OTHER

100A-1

W/ SNOWPLOW

Panel Set: 5

PAGE 8A-

DRL-LH

100A-1

DRL-RH

W/O SNOWPLOW

CADILLAC

750

BRN2309.

TWP0.8FWDLP

-Z75-VYU-T90-TR2

FWDLP7M M/P 15015326755

C

FWDLP

&VYU

750

BRN2309.

TWP0.8

5Gnd Zone #1

GND DIST

14A8A-Page -

001RF Side Mrkr

FNAUPCside_mrkr_lp

12110053

A

B

FWDLP

&VYU

750

BLU DK2115.

TWP0.8

7M M/P 15015326755

B FWDLP

50

BLU DK2115.

TWP0.8FWDLP

&VYU

7

RF Prk/Trn Lampprk_trn_lampUPC FNA

15324084

001T

UR

N

PA

RK

A B

G

Gnd Zone #15-Page 8A-14A

GND DIST

ubec_2115_bBlk Asm - Ubec RT Turn

110A8A-Page -5

ubec_2115_a5-Page 8A-110A

Blk Asm - Ubec RT Turn

750

BLU DK2115.

GXL0.8CHASSIS

UPC FNA

1219390512193914

J1-E10

J4-A3

12193916

FNAUPC001ubec_2115_b

Blk Asm - Ubec RT Turn

J3-A3

Blk Asm - Ubec RT Turnubec_2115_a 001

FWDLP

&Z75

750

BLU DK2115.

TWP0.8

E

03 XCK EAU

EXTERIOR LIGHTING (DOMESTIC/ MIDDLE EAST)1 CKMC03PROD

5 Wednesday, August 7, 2002

SNOPLW7F M/P 15012047938

B

01014

k33110asheet1schematic $IVEDWORK/k33110a__010

4:02:56 pm

FWDLP0.8 TWP

.2115BLU DK

507

-Z75-VYU-T90-TR2

E

7

&VYU

FWDLP0.8 TWP

.2115BLU DK

50

001

TURNPARK

A

DE

MARKER

Prk/Turn/Mkr-RHz75_pk_trnUPC FNA

12065425

SNOPLW7F M/P 15012047938

C

0.8 TWP

.2115BLU DK

507

&VYU

FWDLP

50

BLU DK2115.

TWP0.87

&VYU

FWDLP FWDLP

-Z75-VYU-T90-TR2

70.8 TWP

.2309BRN

50

U15A_U15B

2115

RT_SIG

(Page 3)

2115 U15A_U15B

150 RHPRK_GND2150 RHPRK_GND1

RRTRN_FD

(Page 6)(Page 1)

RF_PKFD

2309(PAGE #1)RF_Z75

(Page 1)

RF_SDMKR

2309

Exterior Lighting: Domestic / Middle East

K33110a_010_05

D-158PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

UTILITY

NOTE

&03/43/53#906&NYS=&R05/VF7/NYS=&06/36#&03/43/53-

-R05/VF7/NYS

GZ 15: &SERIES35

UTILITY UTILITY

Panel Set: 6

P/U

&UY7

P/U

P/U

GZ 16: &SERIES36GZ 17: &SERIES10/20

SA2115

BACKUP LPS

1128A-Page -2Lh Backup Lp

RRLPR

&X88/Z75

0.5 GPT

.2115BLU DK

507

153055967F GT 280RRLPLB

50

BRN/WHT2609.

GPT0.5

&X88/Z75

RRLPR7

001LR Side Mrkr Lp

FNAUPCside_mrkr_lp

12110053

A

B

GPT0.550

BRN2509.

GPT0.5RRLPR7

50

BLU LT1320.

RRLPL7

GPT0.5

1750

RRLPR7

50

BLK.

50

BLK1750.

GPT0.5RRLPR

1750

0.5 GPT

.BLK

507

LICLP

0.5RRLPL

&03/43/53

750

BRN2509.

GPT

2115

0.5 GPT

.BLU DK

507

RRLPR

B

G

Rh-Rr Stop/Park Lpstop_tail_lp 002UPC FNAS

TO

P

PA

RK

A

J4-H

RRLPR

12160395

LICLP

J3-D J3-H

LICLP

J4-C

RRLPR

J4-D

RRLPR

J1-E

CHASSIS

J2-A

RRLPL/CHASSIS

J2-B

RRLPL/CHASSIS

B

G

FNAUPC002

A

12160394

trn_stp_lpRh-Rr Turn Lamp

12110053

side_mrkr_lpUPC FNA

Rh License Lp001

A

B

0.5 GPT

.1750BLK

507

&06/36

RRLPL

750

BRN2509.

GPT0.5

&06/36

RRLPL

CHASSISB153267897M GT 280

BLU LT50

7

&06/36

RRLPL0.5 GPT

.1320

GPT0.5

2115

RRLPR7

50

BLU DK.

.

GXL0.5CHASSIS

&06/36

750

BLU LT1320

GND DISTGnd Zone #15

4-Page 8A-14A

SA2609

J4-A

RRLPRRRLPR

J4-B

RRLPR

J4-F

CHASSIS

RRLPL/CHASSIS

J2-D

RRLPL/CHASSIS

J2-E

LICLP

J3-A

CHASSIS

J1-B

CHASSIS

J1-DJ1-H

PA

RK

A B

G

Lh-Rr Stop/Park Lpstop_tail_lp 002UPC FNAS

TO

P

12160395

750

BLK1750.

GPT0.5RRLPL

&03/43/53

RRLPR7

50

BRN/WHT2609.

GPT0.5

E15305596

RRLPL7F GT 280

RRLPL

&X88/Z75

0.5 GPT

.2509BRN

507

Rh Backup Lp2-Page 8A- 112

BACKUP LPS

12110053

side_mrkr_lpUPC FNA

RR Side Mrkr Lp001

A

B

D

SA2509

CHASSIS7M GT 28015326789

E

=&06/36-NYS#&03/43/53-NYS/R05/VF7

LICLP0.5 GPT

.2609BRN/WHT

507

7

RRLPR0.5 GPT

.2609BRN/WHT

50

D

7

&03/43/53

RRLPL0.5 GPT

.1320BLU LT

50

.2509BRN

507

&06/36

CHASSIS0.5 GXL

CKMC031EXTERIOR LIGHTING (DOMESTIC/ MIDDLE EAST)CK EAU X03

4:02:56 pm

$IVEDWORK/k33110a__010schematic sheet1

k33110a14

010Wednesday, August 7, 20026

PROD

CHASSIS

&06/36

750

BLK1750.

GXL0.5

(Page 7)

LR_MRKR

2114

(Page 6) RRLPL_PK

(PAGE #6)RRLPL_PK

2509

(Page 6)

RR_MRKR

2115

(Page 6)

RR_MRKR

LIC_GND1(PAGE #9)

1750

2609LIC_LP1(PAGE #9)

2609

RH_LCLP

(Page 7)

17501750 LHBU_LP

RRLP_GND1750

2115

RRTRN_FD

(Page 5)

RHBU_LP

(Page 1)

TAIL_RRLP

2609 1320

STOP_LP

(Page 2)

Exterior Lighting: Domestic / Middle East

K33110a_010_06

D-159PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 7

UT

=&03/43/53&R05/VF7/NYS

PU

UT

=&06/36#&03/43/53-R05/VF7/NYS

PU

#&906&NYS

0.5 GPT

.1750BLK

507

&03/43/53

RRLPLCHASSIS7M GT 28015326789

A

750

BLU LT2114.

GPT0.5

&X88/Z75

RRLPL

LICLP LICLP

J3-E

J3-J4-

1530559615305599

J2-C

RRLPL/ CHASSIS

J3-C

J1-UPC FNA

15305595

Bussing Blk Asm - Rear Lps003backup_lp_1750

J2-

15305597

0.5 GPT

.2509BRN

507

=&03/43/53&NYS/R05/VF7#&906&NYS

LICLP

50

BLK1750.

GPT0.5

=&06/36-NYS#&03/43/53-NYS/R05/VF7

750

BRN2509.

GPT0.5

LICLP7

LICLP

FNA

A B

G

Lh-Rr Turn Lamptrn_stp_lp 002UPC

12160394

RRLPL

&06/36

750

BLK1750.

GPT0.5

50

BRN2509.

GPT0.5LICLP

=&03/43/53&NYS/R05/VF7#&906&NYS

7

7

&06/36

CHASSIS

2114

0.5 GXL

.BLU LT

50

J3-G

RRLPL/CHASSIS

J2-H

LICLP

003Bussing Blk Asm - Rr Lps

15305595FNAUPC

J1-

CHASSIS

J1-A

CHASSIS

J1-G

1530559915305596

J4-J3-

15305597

J2-

backup_lp_1320

153055967F GT 280RRLPLH

RRLPL7

50

BLU LT2114.

GPT0.5

EXTERIOR LIGHTING (DOMESTIC/ MIDDLE EAST)CK EAU X03

Wednesday, August 7, 2002

4:02:56 pm

$IVEDWORK/k33110a__010schematic sheet1

k33110a14

0107

PROD CKMC031

RRLPL7F GT 28015305596

A

SC2509

001Left License Lp

FNAUPCside_mrkr_lp

12110053

A

B

RRLPL

&03/43/53

750

BLU LT.

GPT0.5

2114

0.5 GPT

.2509BRN

507

=&03/43/53&NYS/R05/VF7#&906&NYS

LICLP 0.5 GPT

.2114BLU LT

507

&06/36

RRLPL

H153267897M GT 280CHASSIS

SA2114

&06/36

CHASSIS

1750

0.5 GXL

.BLK

507

LIC_LP2

2509

LIC_GND2

(Page 9)1750

(PAGE #9)

LR_MRKR

(Page 6)

(Page 1)

TAIL_LRLP

2509 2114

LRTRN_FD

(Page 4)

(Page 6)

RH_LCLP

Exterior Lighting: Domestic / Middle East

K33110a_010_07

D-160PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

LR L R

IP

RFMKR

2409

J2-CJ2-B

047-1

010-1

J2-D

HORNIGN

BTSI

(Page 3)

TRNHZ

1428

110-4WIPER

CRUISE

1427

HAZ_RFD

(Page 3)

J2-

091-1

040-1

152-1

Panel Set: 8

133-1

111

SIR133-1

12193930

HAZ_G

034-1

(Page 3)

100-2

138-1

FTP

PASSLOCK

POA STRG COL

HAZ_LFD

PART#

STEERWHL

KEYIN

PAGE 8A-

10A

Ign E (Uh Bec)15/13-Page 8A-10A/B

POWER DIST

PROD8

01014

k33110asheet1schematic $IVEDWORK/k33110a__010

4:02:56 pm

Wednesday, August 7, 200203 XCK EAU

EXTERIOR LIGHTING (DOMESTIC/ MIDDLE EAST)1 CKMC03

GND DISTMbec 1851(Zone #18)

10-Page 8A-14A

B9

15417597

004mult_func_swUPC FNA

STRG Col Asm - Turn/Haz Sw

A8

Passkey Sensor1-Page 8A-133A

THEFT DETERRENT CONTENT

3-Page 8A-133A

THEFT DETERKeyin/Towhall Sw

roof_mkr_lp 001Center Roof Mkr-Asm

UPC FNA

12047662

A

B

RFMKR

&U01

750

BRN2409.

TWP0.35

14A8A-Page -9Gnd Zone #10 (Rbec 1050)

GND DIST

TWP

.1050BLK

507

&U01

RFMKR0.35

0.35 TWP

.2409BRN

507

&U01

RFMKR

BRN2409.

TWP0.35RFMKR

&U01

750

BLK50

7

&U01

RFMKR0.35 TWP

.1050

12047662

FNAUPC

RH- Roof Mkr Lp001roofmkr_lp

A

B

Wash/Wipe SwFRT WASH/WIPE

91A8A-Page -1

roofmkr_lp 001LH-Roof Mkr Lp

UPC FNA

12047662

A

B

2-Page 8A-100A

HEADLAMPSMult Func Sw

RFMKR

&U01

750

BLK1050.

TWP0.35

15318061

IDC - Splice 1eau_idc 001UPC FNA

Blk Asm-Rbec Center RfMkrrbec_2409 00112H FNA

1540149512193929

J1-6B

J6-B

TWP0.35RFMKR

&U01

750

BRN2409.

001eau_idcIDC - Splice 2

15318061FNAUPC

7

&03/06/43/53

IP0.35 TWP

.2409BRN

50

1851 PKEY_GND

1851 KEY_TOW_GND

1851 WIPE_GND

HAZ_FD639

HAZ_GND1851

HIBEAM_GND1851

RFMKR_GND1050

MRK_LP

(Page 1)

Exterior Lighting: Domestic / Middle East

K33110a_010_08

D-161PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

SUBURBAN PU SUBURBANPU

Panel Set: 9

SUBURBANPU

SUBURBANPU

PU

SUBURBAN PU

SUBURBAN

120526442F M/P 150A

&906&NYS

750

BRN2509.

GXL0.5CHASSIS

HIPLH

GPT0.5HIPRH

=&03/43/53&NYS/R05/VF7#&906&NYS

750

BRN/WHT2609.

HIPLHB121620002M M/P 150

&03/43/53&NYS/R05/VF7

HIPRH0.5 GPT

.1750BLK

507

UPC FNA

LR Hip Mrkr Lamp (SUB)001

A

B

50

BLK1750.

GPT0.5HIPLH

&03/43/53&NYS/R05/VF7

7

15317651

lhiplp_mrkr

15326801

A CHASSIS2F GT 150 SLD

2F GT 150 SLDCHASSISB15326801

SB1750

LICLP0.5 GXL

.1750BLK

507

&03/43/53&NYS/R05/VF7

BRN50

7

&03/43/53&NYS/R05/VF7

HIPLH0.5 GPT

.2509

1 CKMC03PROD9

LICLP 2M GT 150 SLD 15326806

A

7

&03/43/53&NYS/R05/VF7

HIPRHGPT

.2609

01014

k33110asheet1schematic $IVEDWORK/k33110a__010

4:02:56 pm

Wednesday, August 7, 200203 XCK EAU

EXTERIOR LIGHTING (DOMESTIC/ MIDDLE EAST)

0.5BRN/WHT

50

CHASSIS2F M/P 15012052641

A

tailgate_lps

12010973

A

B

001FNAUPC

Tailgate Lamp Asm

15317651

001LF Hip Mrkr Lamp (SUB)

FNAUPClhiplp_mrkr

A

B

120526412F M/P 150CHASSISB

HIPLHB

LICLPGPT0.5

=&03/43/53&NYS/R05/VF7#&906&NYS

750

BRN/WHT2609.

2F M/P 15012052644

50

BRN2509.

GPT0.5HIPLH

&906&NYS

7

LICLP0.5 GXL

.2509BRN

507

&03/43/53&NYS/R05/VF7

50

BLK1750.

GPT0.5LICLP

&906&NYS

7

BRN/WHT50

121620002M M/P 150HIPRHB

7

=&03/43/53&NYS/R05/VF7#&906&NYS

HIPRH0.5 GPT

.2609

0.5 GXL

.1750BLK

507

&906&NYS

CHASSIS

7

&03/43/53&NYS/R05/VF7

HIPLH0.5 GPT

GPT0.5HIPLH

001LF Hip Mrkr Lamp (PU)

FNAUPChip_mrkr_lp

12052641

A

B

.1750BLK

50

&906&NYS

750

BRN2509.

FNAUPChip_mrkr_lp

12052641

001RF Hip Mrkr Lamp (SUB & PU)

A

B.

GPT0.5HIPLH

&906&NYS

7

hip_mrkr_lpUPC FNA

RR Hip Mrkr Lamp (SUB & PU)001

12052641

A

B

BRN/WHT50

7

=&03/43/53&NYS/R05/VF7#&906&NYS

HIPRH0.5 GPT

.2609

50

BLK1750

120526412F M/P 150LICLPB

B

0.5 GPT

.2509BRN

507

&906&NYS

LICLP

15326806 2M GT 150 SLD LICLP

50

BLK1750.

GPT0.HIPLH

&906&NYS

7

121623432M M/P 150LICLPB

LICLP2M M/P 15012162343

A

SB2609

121620002M M/P 150HIPRHA

GPT0.5HIPRH

=&03/43/53&NYS/R05/VF7#&906&NYS

750

BLK1750.

7

&906&NYS

HIPLH0.5 GPT

.1750BLK

50

SC1750

0.5 GPT

.2509BRN

507

&906&NYS

HIPLH

BRN50

7

&03/43/53&NYS/R05/VF7

HIPLH0.5 GPT

.2509

=&03/43/53&NYS/R05/VF7#&906&NYS

HIPRH0.5 GPT

.1750BLK

507

7

LICLP0.5

12052641

LICLP2F M/P 150A

=&03/43/53&NYS/R05/VF7#&906&NYS

750

BLK1750.

GPT

=&03/43/53&NYS/R05/VF7#&906&NYS.1750BLK

50

GPT0.5HIPRH

12052641

hip_mrkr_lpUPC FNA

LR Hip Mrkr Lamp (PU)001

A

B

HIPLH

&03/43/53&NYS/R05/VF7

750

BRN2509.

GPT0.5

SB2509

2M M/P 15012162000

A HIPLH

50

BLK1750.

GPT0.5HIPLH

&03/43/53&NYS/R05/VF7

7

(PAGE #7)

LIC_LP2

LIC_LP1(PAGE #6)

(PAGE #6)LIC_GND1

LIC_GND2

(PAGE #7)

Exterior Lighting: Domestic / Middle East

K33110a_010_09

D-162PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

IP2115

J1-

2114

J3-LFDOOR

IP

RFDOOR

2115

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

DDM

&906&NYS

Panel Set: 10

PDM

0.35LFDOOR

&YE9

750

BLU LT2114.

TWPTWP

.2115BLU DK

507

&YE9

RFDOOR0.35

12193906

FNAUPC001lbec_2115

Blk Asm - Lbec2115

J1-A6

B

003FNAUPC

ID Lamp-906idlamp_906

12059252

A

750

BRN2409.

TWP0.5BODY

&906&NYS

BLU DK2115.

TWP0.35IP

&YE9

750IP

1530513316F GT 280G

J2-26253A-1(HSD/LSD)

Lh Backup Lp3-Page 8A-110A

BACKUP LPS

12194035

FNAUPC001lbec_2114

Blk Asm - Lbec2114

J3-M

BACKUP LPS

110A8A-Page -3Lh Backup Lp

(HSD/LSD)254A-1 J2-11

15Gnd Zone #14 (Splsvr-Body)

GND DIST

14A8A-Page -

14

k33110asheet1schematic $IVEDWORK/k33110a__010

4:02:56 pm

Wednesday, August 7, 200203 XCK EAU

EXTERIOR LIGHTING (DOMESTIC/ MIDDLE EAST)1 CKMC03PROD

10

010

1219392215401495

FNA12H001rbec_2115

Blk Asm-Rbec PDM Lp Trn

J1-7F

J7-F

G BODY16M GT 28015305132

.2409BRN

507

&906&NYS

IP0.5 TWP

LB_2114

DDM_LPTRN

LB_2115

906_TAIL

(Page 1)

906_TAIL_G1450

PDM_LPTRN

Exterior Lighting: Domestic / Middle East

K33110a_010_10

D-163PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

SA002

GAS

Panel Set: 1

DIESEL

0.5

.111WHT

507

CHASSISGXL

12052641

ABRKCLTCH2M M/P 15012162000

A

BATASM

&LB7/LLY

1950

RED2.

FUSELINK5.0

CHASSIS2F M/P 150

B

BATASM

&LB7/LLY

7550

RED2.

STT13.0

2F M/P 150CHASSISB

121620002M M/P 150BRKCLTCH

B

12052641

Page -1

Motor Starter1-Page 8A-30A/B

STARTING & CHARGING

00212146365FNAUPC

Wrecker Relay Ring Term

12146365

A

1950

RED2.

FUSELINK

Light Bar SwWRECKER LIGHT SW

110F8A-

RED50

75

&L18/L59/LM7/LQ4/LQ9/LR4/LU3

BATPOS

5.0BATPOS

&L18/L59/LM7/LQ4/LQ9/LR4/LU3

CKMCEPROD1

14A8A-Page -81050 Splice (MBec)

GND DIST

13.0 STT

.2

L

P

WRECKER PACKAGE (SEO)008

96

k33110csheet1schematic $IVEDWORK/k33110c__008

11:23:44 am

Monday, September 9, 2002&5X703 XCK EAU 1

BLK50

7

CHASSIS

001

12052641 FNAUPCwrecker_rlyRelay Wrecker Pkg

A

B

SA002

0.5 GXL

.1050

AUX_BAT12

SEO_WCKGND1050

SEO_5X7111

Exterior Lighting: Wrecker Package (SEO)

K33110c_008_01

D-164PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

BRKCLTCH2F M/P 28012129081

B

(PICKUP)UT & CREW CAB

(UT & CREW CAB)

&03/53&5G4/TRW

PICKUP

&06/43&5G4/TRW

bluntcut 003

A

Light Bar SwWRECKER LIGHT SW

110F8A-Page -1

GND DIST

14A8A-Page -9Gnd Zone #23

003

TWP

.2340ORN

5019

BEACON3.0

A

001

12110541 FNAUPCbeacon_rlyRoof Beacon Rly

A1A2

C1 C2

bluntcut

A

GND DIST

1

PROD CKMC031CK EAU X03 &5G4/TRW

Thursday, August 1, 2002

10:57:31 am

$IVEDWORK/k33110d__008schematic sheet1

k33110d107

008ROOF MOUNTED BEACON

Gnd Zone #1113-Page 8A-14A

bluntcut 003

A

50

BLK2351.

TWP0.5BEACON

&03/53

7

50

BLK1150.

TWP3.0BEACON

&06/43

19

-9Gnd Zone #23

GND DISTGND DISTGnd Zone #11

13-Page 8A-14A

3.0 TWP

.27BRN

5019

BEACON

14A8A-Page

750

WHT111.

TWP0.5

3.0BRKCLTCH

1950

ORN2340.

TWP

BEACON

8/6Seo B2 (Mbec)

30A

POWER DIST

10A/B8A-Page -

BEACON2M M/P 28012129155

B

SEO_B2

2650 SEORLY_GND1

BEACON_GND22351

SEO_5G4111

SEORLY_GND2

BEACON_GND1

Exterior Lighting: Roof Mounted Beacon

K33110d_008_01

D-165PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&5Y0&SERIES35 TO RING TERM#12103965

&5Y0

&5Y0

&5Y0&SERIES36 TO RING TERM#12103502

&5Y0&SERIES10/20 TO RING TERM#15326149

27.

GXL3.0CHASSIS

1950

BRN

BEACON7

50

WHT111.

TXL0.5

-Page 8A-10A/B

POWER DIST

30A

Stud #2 (Uhbec)10/7

bluntcut 003

85

8687

GND DIST1050 Splice (MBec)

8-Page 8A-14A

PROD CKMC031CK EAU X03 &5Y0

Thursday, January 17, 2002

1:23:50 pm

$IVEDWORK/k33110e__007schematic sheet1

k33110e86

007EMERGENCY LIGHT

Emer Lt Rlyemer_lt_rlyUPC FNA 12129716

001

30

50

BLK1050.

TXL0.5

1

14A8A-Page -4Gnd Zone #16

GND DIST

BEACON7

2F M/P 28012129081

ABEACON2M M/P 28012129155

ABRKCLTCH

1-Page 8A-110F

WRECKER LIGHT SWLight Bar Sw

CHASSIS1M M/P 28012065171

A121290812F M/P 280BRKCLTCHB

12065172

A

TXL

.27BRN

5019

BEACON

BEACON1F M/P 280 2M M/P 280

BEACONB

003bluntcut

A

3.0

EMRLT_GND1650

1650

EMER_RLY242

1050 SEO_EMGND

111 SEO_5Y0

12129155

Exterior Lighting: Emergency Light

K33110e_007_01

D-166PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

TRW

-Page 8A-110C

WRECKER LIGHT SW

-Page 8A-10A/B

POWER DIST

15A

Seo B1 (Mbec)18/15

Panel Set: 1

5G4/5X7/5Y0

TRW 5G4

C

Wrecker Package1

7

BRKCLJPRBRKCLJPR

750

WHT111.

TWP0.5

PWR

WRECKER LIGHT SW

110D8A-Page -1Roof Mounted Beacon

0.5 TWP

.1050BLK

50

Wrecker Light Swlight_bar_swUPC FNA

12177195

003

GND

BC

ENABLE

STEP DIM

D

ILLUM

EF

TWP

.1382PPL/WHT

507

BRKCLTCH

SA111

D

0.35

SWJMPRB

120647626F M/P 150BRKCLTCHE

50

BRN/WHT230.

TWP0.35

120647636M M/P 150

1-Page 8A-117A/B

DIMMING CNTRLSStep Dim

2-Page 8A-117A

DIMMING CNTRLS

BRKCLTCH7

0.35

D

Backlighting-PWM

SWJMPRE

BRKCLJPR7

50

PPL/WHT1382.

TWP

BRKCLTCH

GND DISTGnd Zn #10 (1050 Splice - Mbec 1050)

8-Page 8A-14A

120647636M M/P 150

507

BRKCLJPR

TWP0.5

.111WHT

507

=&5G4/5X7/5Y0

F

0.35 TWP

.230BRN/WHT

.

TWP0.5

F

C

BRKCLJPR7

50

ORN4540

=&5G4

BRKCLTCH

120647626F M/P 150BRKCLTCHB

WHT50

7

=&5Y0

BRKCLTCHTWP0.5

.111WHT

507

=&TRW

750

WHT111.

0.5 TWP

TWP0.5

.111

PROD1

TWP0.5

.111WHT

507

=&5X7

BRKCLTCHBRKCLTCH

SEO_5G4

WRECKER LIGHT SW

110E8A-Page -1Emergency Light

WRECKER LIGHT BAR SW(SEO)002

20

k33110fsheet1schematic $IVEDWORK/k33110f__002

1:36:36 pm

Thursday, January 17, 2002&5G4/5X7/5Y0/TRW03 XCK EAU 1 CKMC03

SEO_DIM SEO_BKLT

1050 SEO_GND

SEO_B14540SEO_5X7 SEO_5Y0

Exterior Lighting: Wrecker Light Bar SW (SEO)

K33110f_002_01

D-167PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

162412092079

1524

SA1524

1524

IP CHASSIS

ENG

TRLR BKUPB

A10A

1524

POA NSBU SW

112-1

Panel Set: 1

AUTO

PRNDLPART #

MANUAL

&8S3&SERIES36 TO RING TERM# 12103502

CRANK020-11030-1

PAGE 8A-PART # PAGE 8A-POA BACKUP SW

BKUP LP

&8S3&SERIES35 TO RING TERM# 12103965&8S3&SERIES10/20 TO RING TERM# 15326149

BTSI 138-1

008136

k33112asheet1schematic $IVEDWORK/k33112a__008

9:03:20 am

Thursday, May 16, 200203 XCK EAU

BACKUP LAMPS 1 CKMC03PROD

1

.

TXL0.8

TWP

.1524GRA

507

IP0.8

2-Page 8A-20D

ENGINE CNTLEcm

ENG

&LB7

750

GRA1524

TBC251A-3 J4-A8

BACKUP(DI)

J2-12129840

002FNAUPC

nsbu_backupNSBU-Backup Sw

J2-C

J2-F

001FNAUPC

bulp_manual_swTrans Asm - Backup Sw

12103584

A

B

7

&M30/M32/M74/MN8/MT1

ENG0.8 TXL

.1524GRA

50

PNK50

7

&MG5/ML6/MW3

ENG0.8 TXL

.839

GRN LT50

7

&8S3

CHASSIS

B

GND DISTGnd Zone #16

4-Page 8A-14A

0.8 GXL

.1624

001

15300027

FNAUPC

bkup_alarmBack Up Alarm

A

Inline Trailer1-Page 8A- 119

TRLR WIRING

J2-A11

J3-C2

ENG

&MG5/ML6/MW3

750

GRA1524.

TXL0.8

Blk Asm - Ubec Trlr Bkup Lpsubec_1524 001UPC FNA

121939051219390612193916

J1-F10

1-Page 8A-138a

BTSI

-Page 8A-10A/B

POWER DIST

20A

Back Up Lamp (Uh Bec)15/14

Btsi

50

PNK839.

TXL0.8ENG

&M30/M32/M74/MN8/MT1

7

1650 BU_ALARM1624 TRLR_BU

BTSI_PWR

BULP_PWR

TBC_BUSW

REV_SW

Backup Lamps

K33112a_008_01

D-168PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IP

VANITY

24C

03/43/5306/36

03/43/5306/36

Panel Set: 2

&Z75-Z75

YE9

15326789C

7F GT 28015305596

RRLPL

RRLPR

.24GRN LT

5070.5 GPT

7M GT 280CHASSIS

15326842

BCHASSISBIP10F GT 150 SLD

BULMPJ5-F

TBC251-1

(HSD)

1532684710M GT 150 SLD

.24GRN LT

500.5 7

&Z75

IPTWP

.

GPT0.5RRLPL

008136

k33112asheet1schematic $IVEDWORK/k33112a__008

9:03:20 am

Thursday, May 16, 200203 XCK EAU

BACKUP LAMPS 1 CKMC03PROD

2

&03/43/53

750

GRN LT24

0.5 GPT

.1750BLK

507

&03/43/53

RRLPL

7

&06/36

RRLPL

Backup Feed

0.5 GPT

.1750BLK

50

24.

SA24

1-Page 8A-148A

PWR ISRV MIRRORS

bulp_bus_blkCHASSIS

J1-C

RRLPL/CHASSIS

J2-F

RRLPR

J4-E

TXL0.8IP

750

GRN LT

24.

GXL0.8CHASSIS

7

UPC FNA002

15305595J1-J2- 15305596

15305597J4-

Bussing Blk Asm - Rr Lps

0.5IP

-Z75

750

GRN LT24.

TWP

50

GRN LT

1750.

GPT0.5RRLPR

7

UPC FNA

Lamp Asm - Tail RH Bkup002

12160393

tail_bulp

A

G

50

BLK

EXTERIOR LIGHTING

1108A-Page -6Bussing Blk 1750

BLK1750.

GXL0.5

1532876812193905

FNAUPC001mbec_24

Blk Asm - Mbec Backup Lps

J1-A1

J3-A

6-Page 8A- 110

EXTERIOR LIGHTINGBussing Blk 1750

CHASSIS

&06/36

750

1-Page 8A- 70A

REAR PARKING AIDBackup Rly Input

.

TWP0.5IP

&Z75

7

7

&Z75

IP0.5

50

GRN LT24

TWP

.24GRN LT

50

GRN LT50

7

&06/36

50

GRN LT24.

GXL0.5CHASSIS

RRLPL0.5 GPT

.24

&06/36

7

F

15326789

CHASSIS7M GT 280FRRLPL

153055967F GT 280

24 ISRVM_BULP

002Lamp Asm - Tail LH Bkup

FNAUPCtail_bulp

12160393

A

G

LHBU_LP

RPA_BULP

TBC_BULP

RHBU_LP

Backup Lamps

K33112a_008_02

D-169PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

1732SA1732

1732

IP

IP

IP

HDLNR

1732

1732

03/53

&03/53

Panel Set: 1

&YE9

UPLEVEL(53)

&53&Y91 &53&Y91

BASE(03/53)

k33114b199

0103of1

PROD CKMCE1INTERIOR LIGHTING (PICKUP)CK EAU X03 &03/53

Tuesday, January 21, 2003

1:57:14 pm

$IVEDWORK/k33114b__010schematic sheet1

750

ORN1732.

TWP

B

TWP

.1732ORN

507

=&53&Y91

HDLNR0.8

0.35HDLNR

=&53&Y91

12047663

FNAUPC

Lh-Sunshade Illum Mirror001sunshade_illum

A

B

sunshade_illum 001Rh-Sunshade Illum Mirror

UPC FNA

12047663

A

TWP0.35HDLNR

&YE9-Y91

750

ORN1732.

12047781

FNAUPC

Console Map Reading Lps001map_reading

A

B

C

14A8A-Page -8Gnd Zone #10(SB1050)

GND DIST GND DISTGnd Zone #10(SB1050)

8-Page 8A-14A

=&53&Y91

750

ORN1732.

TWP

1-Page 8A-116A

CARGO LAMPCargo Lp

0.35HDLNR

ORN50

7

-Y91

HDLNR0.35

POWER DIST

10A/B8A-Page -18/15Mbec

7

IP

TWP

.1732

0.5 TWP

.1732ORN

50

J3-M

Blk Asm - Inadvertant Pwrmbec_1732 001UPC FNA

1219390515328768

J1-C11

J1-C4

J1-D4

COMPARTMENT LP

118A8A-Page -1

0.35 TWP

.1732ORN

507

=&53&Y91

HDLNR

GND DISTGnd Zone #10

8-Page 8A-14AGlove Box Lp

HDLNR

TWP

.1732ORN

507

=&53&Y91

HDLNR0.35

14A8A-Page -8Gnd Zone #10 (HDLNR Splice)

GND DIST

0.5 TWP

.4540ORN

507

=&53&Y91SA1732

(HSD)INADV

251A/B-1 J1-DTBC Mbec 230

1-Page 8A-117A/B

DIMMING CONTROL

E

map_reading_ugdo 003Console Map Lps & Ugdo

UPC FNA

12064762

ILL

UM

ELECTRONICS

A

B

C D

GBOXLP_FD1732

CGO_LP

LVNTY_GND1050 1050 RVNTY_GND

1050 MAPLP_GND2

MAP_RDNG

(Page 2)690

MAPLP_GND11050

UGDO_BKLT230UGDO_P

690(Page 2)

MAP_UGDO3

TBC_INADV

Interior Lighting (Pickup)

K33114b_010_01

D-170PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

690

690

IP

IP HDLNR BODYBODY

IP

IP HDLNR BODYBODY690 690 690 690

SA690690

690 690 690

Panel Set: 23of2

PROD CKMCE1INTERIOR LIGHTING (PICKUP)CK EAU X03 &03/53

Tuesday, January 21, 2003

1:57:14 pm

$IVEDWORK/k33114b__010schematic sheet1

k33114b199

010

GND DISTGnd Zone #10 (HDLNR Splice)

8-Page 8A-14A

.

TWP

HDLNR

J3-L

&YE9-Y91

70.35 50

GRA/BLK690

153570301532876812193905

FNAUPC001mbec_690

Blk Asm - Mbec Courtesy Lps

J1-A12

J1-B10 J10-BJ10-C

GRA/BLK50

7

HDLNR0.35 TWP

.690

CTSY(HSD)

TBC

TWP0.35HDLNR

=&53&Y91

750

GRA/BLK690.

J5-E251A/B-1

001Lamp-Dome B-Pillar

FNAUPClamp_dome

12047781

A

B

.690GRA/BLK

507

IP0.35 TWP

DOME_GND1

TBC_CTSYLP

MAP_RDNG

(Page 1)

(Page 1)

MAP_UGDO3

1050

Interior Lighting (Pickup)

K33114b_010_02

D-171PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

DIM 117-3

Panel Set: 3

PART#HDLPINT LTS

100-2114-3

PAGE 8A-POA HDLP SW

B

DIMMING CONTROL

117A/B8A-Page -1Headlamp Sw

001Lamp Door Courtesy - RH

FNAUPCdoor_ctsy_lp

12047662

A

149.

TWP0.35

.660BLU DK

507

&YE9

LFDOOR

&YE9

750

BLU DK/WHT

328PPL

507

IP0.35 TWP

.

LFDOOR0.35 TWP

ILL

UM

6

GND

CTRET

253A-1 J2-19

15405512

Blk Asm-Hdlp Swctsy_hdlp_swUPC FNA 004

1

LAMPDEFEAT

INTERIOR COURTESY

ONLAMPS

1014

0.35CTILLUM

J2-8253A-1

PDM

IP7

50

BLU DK/WHT1495.

TWP

&YE9

RFDOOR0.35 TWP

.156WHT

507

J2-4254A-1

CTILLUM

DDM254A-1 J2-13

CTRET

J4-B9251A/B-3

Page 8A-14A

251A/B-2 J3-A11

TBC

GND DISTGnd Zone #10

7-

HEADLAMPS

100A/B8A-Page -2Headlamps Sw

sheet1schematic $IVEDWORK/k33114b__010

1:57:14 pm

Tuesday, January 21, 2003&03/5303 XCK EAU

INTERIOR LIGHTING (PICKUP)1 CKMCEPROD

3 3of

010199

k33114b

0.35RFDOOR

&YE9

750

BLU LT661.

TWP

B

12047662

door_ctsy_lpUPC FNA

Lamp Door Courtesy - LH001

A

CTSYSW_GND

230 HDLPSW_BKLT

1851

HDLP_GND2

TBC_INTLMPD TBC_CTSYSW

DDM_LHCTSY LHCTSY_RTN PDM_RHCTSY RHCTSY_RTN

1050

Interior Lighting (Pickup)

K33114b_010_03

D-172PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

HDLNR

IP

149

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

POA CHMSL-CARGO

Panel Set: 1

CHMSL LP 110a-2CARGO LPPART#

116a-1PAGE 8A-

BC

GND

D

EF

FO

GL

AM

PS

ON

ILL

UM

CA

RG

O L

PS

FO

G L

AM

PS

cargo_fog_sw

15393435

FNAUPC

Sw Asm - Frt Fog/Cargo Lp (PU)003

A

TBC251A/B-2 J3-A9

FFGLMP (DI)

2-Page 8A-117A/B

DIMMING CONTROL1382 Mbec

0.35IP

-T89

750

PPL/WHT1382.

TWP

50

ORN192.

TWP

TBC

1 Thursday, January 3, 2002005

90

k33116asheet1schematic $IVEDWORK/k33116a__005

5:30:14 pm

&03/43/5303 XCK EAU

CARGO LAMP SW (PU)1 CKMC03PROD

0.35IP

7

GND DISTGnd Zone #18 (SC1851)

12-Page

251A/B-2 J4-A6

TWP0.5IP

750

BLU DK/WHT149.

8A- 14a

HDLNR0.5

TWP

.149BLU DK/WHT

507

IP0.5

50

GRN DK/WHT1317.

TWP

TWP

.149BLU DK/WHT

507

A

B

1532876812193905

FNAUPC001mbec_149

Blk Asm - Mbec Ctsy Cargo Lp

J1-A2

J3-D

0.35IP

-T89

7

114A/B

INT LTS

FRONT FOG LAMP

103A8A-Page -1Front Fog Lamp Rly

UPC

eau_cargo_lp 002CHMSL/Cargo Lamp - Cargo

FNA

12047785

Page -1230 Mbec

1732 Mbec1-Page 8A-

0.35 TWP

.230BRN/WHT

507

IP

DIMMING CNTL

117A/B8A-

CGO_LP1732

FGCG_BKLT

TBC_CLPSW

FOGLP_DIM

TBC_FFOGSW

FFOG_RLY

1851 CGO_FOG_GND

Cargo Lamp SW (Pickup)

K33116a_005_01

D-173PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

230 230 230 230

230230SA230

IP

IP

IP IP

IP BODY HDLNR

230

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IP

LFDOOR

230

IP

RFDOOR

230

IP

IP

IP

BRKCLTCH

230

230

230

230

&T89

AU3-YE9

/TRW/5G4&5Y0/5X7

EXPORT(T89)

Panel Set: 1schematic $IVEDWORK/k33117a__008

2:31:31 pm

Tuesday, March 18, 2003-Y9103 XCK EAU

DIMMING CONTROL1 CKMCEPROD

1 of 2

008351

k33117asheet1

J1-B8

J1-C3

J1-C8

J1-D2

J10-F J4-A

1-Page 8A- 117A

Mbec Backlightingmbec_230b 15357030

1219392212193905

FNAUPC001mbec_230b

Blk Asm - Mbec Backlighting (PWM)

J1-A8

1-Page 8A-110F

EXTERIOR LIGHTINGSeo Sw

8A-Page - 1Lr Window Sw

1-Page 8A-120A

POWER WINDOWSHvac Cntrl

HVAC

60/65/68

BRN/WHT50

7

&T79

IP0.35

REAR FOG LAMPS

106A8A-Page -1Rear Fog Back Lighting

TWP

103C8A-Page -1Front Fog Back Lighting

FRONT FOG LAMPS

TWP

.230

0.35IP

&AU3-YE9

750

BRN/WHT230.

Sir Sw3-Page 8A-47B

PSIR

Steering Whl SwSTEERING WHL CNTL

152A8A-Page -1

Sw Dr Lock4-Page 8A-130A

PWR DOOR LOCKS

Blk Asm - Backlighting

J1-F7

J3-A

1219403512193906

FNAUPC001lbec_230

Hdlp SwINTERIOR LIGHTING

114A/B8A-Page -4/3

TBC

J1-E251A-3

230BRN/WHT

507

&06/36/43&YE9

BODY0.35

Hdlp Lvl Bklt1-Page 8A-105A

HEADLAMPS

TWP

.

TWP

.230BRN/WHT

507

&06/36&YE9

HDLNR0.35

Rr Hvac Control2-Page 8A-66A/B/69A

REAR HVAC

230.

TWP 750

BRN/WHT230.

TWP0.35IP

&C99

750

BRN/WHT

J2-D

0.35IP

&YE9

1-Page 8A- 114

INTERIOR LIGHTINGUgdo Sw

Blk Asm-Rbec Passlock Swrbec_230 00112H FNA

1540149512193930

J1-2D

=&JL4-NR4/NW7

IP0.35 TWP

.230BRN/WHT

507

230.

TWP

IP7

50

BRN/WHT230.

TWP0.35

POWER WINDOWS

120A8A-Page -2Rr Window Sw

0.35IP

&NP1/NP8/NR4

750

BRN/WHT

50

BRN/WHT230.

TWP

1-Page 8A- 44A

BREAKESVSES Sw

2-Page 8A-23A

PTOPto Sw

0.35RFDOOR

&AU3-YE9

7

7

&06/36&YE9

IP0.35

PWR DOOR LOCKS

130A8A-Page -5Sw Door Lock Bklt

TWP

.230BRN/WHT

50

0.35IP

&NYS

-Page 8A-45A

QS4Qs4 Sw

750

BRN/WHT230.

TWP

Msr Sw (Manual)RIDE SELECT

43B8A-Page -1

1

Rr Wiper/Fog & Cargo/Fog

0.35IP

&AU3-YE9

750

BRN/WHT230.

TWP

Transfer Case Sw

mbec_230a1-Page 8A-117A

Mbec Backlighting

REAR WIPER/WASHER/CARGO LP

92A/116A/B8A-Page -1

J5-F

ABS/VSES

44B8A-Page -1Tcs Sw

3/2/3-Page 8A-38A/B/C

TRANSFER CASE CNTRL

UPC FNA

1219390512193928

Blk Asm - Mbec Backlighting (PWM)mbec_230a 001

J1-A11J1-C2

J1-D3

PWR SUNROOF

122A8A-Page -1Sunroof Sw

TWP0.35IP

750

BRN/WHT230.

TWP 0.35IP

&PTO

750

BRN/WHT230.

TWPLRWIN_BKLT230

230 FGCG_BKLT

QS4_BKLT0.35BRKCLTCH

=&ZX3

750

BRN/WHT230.

230

230 TCS_BKLT

MBEC230

230 RRHVAC_BKLT

HVAC_BKLT230 UGDO_BKLT

MBEC230230

230 DRV_LKSW

VSES_BKLT

HDLPSW_BKLTRRWIN_BKLT

230 SEO_BKLT

FOGLP_EXP_F

HDLP_LVL230

ATC_BKLT

SNRF_BKLT

MSR_BKLT

PTO_BKLT

SWC_BKLT

FOGLP_EXP_R

TBC_BKLT1PSIR_BKLTPASS_LKSW

Dimming Control (w/o Y91)

K33117a_008_01

D-174PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

1382

1382

1382

IP

IP

BRKCLTCH

IP1382

SA1382

1382

36 4

REFDIMMING

RTNPOTPOT5V

114A/B-4/3DIM CNTRLINT LTS

PAGE 8A-117-3

Panel Set: 2

100-2

POA HDLP SWITCH

-JL4/NYS/Z55

&JL4/NYS/Z55 -JL4/NYS/Z55

&JL4/NYS/Z55

&JL4/NYS/Z55

HDLP

PART#

TRW/5G4

POT

J3-B8251A-3DIM

&5X7/5YO/

TWP

.1056GRA

507

&JL4/NYS/Z55

IP0.35

.2226GRA/BLK

50

.1382PPL/WHT

507

&NYS

IP0.35

7

IP0.35 TWP

TWP

Headlamp Sw2-Page 8A-100A

HEADLAMPS

Page -3/2/34WD Indicator Sw

TRANSFER CASE CNTRL

38A/C/D8A-

750

PPL/WHT1382.

TWP0.35IP

&NP1/NP8/NR4

POT251A-3 J2-B11

REF

Seo SwEXTERIOR LIGHTING

110F8A-Page -1

Qs41-Page 8A-45A

STEERING CONTROL

Hires Snsr Ref1-Page 8A-45B

STEERING WHEEL- HIRES SNSR

J4-B6251A-3

RTNPOT

TBC

CARGO/REAR WIPER

92A/103C/1168A-Page -1/1Frt Fog Lps Sw

MSR

43B8A-Page -1MSR Sw

7

IP0.35

251A-3 J1-B

TBC

750

ORN/BLK2090.

TWP

TWP

.1382PPL/WHT

50

0.35IP

1056.

TWP0.35IP

-JL4/NYS/Z55

750

GRA

0.35IP

&JL4/NYS/Z55

750

GRA1056.

TWP

BRKCLTCH0.35 TWP

.1382PPL/WHT

507

=&ZX3

PROD2 of 2

008351

k33117asheet1schematic $IVEDWORK/k33117a__008

2:31:31 pm

Tuesday, March 18, 2003-Y9103 XCK EAU

DIMMING CONTROL1 CKMCE

Rr Fog Lp On1-Page 8A-106A

FOG LAMPS

50

PPL/WHT1382.

TWP0.35IP

&T79

7

SA1056

15405512

hdlp_dim_swUPC FNA

004Blk Asm - Hdlp Sw

11 1213

1382.

TWP0.35IP

750

PPL/WHT

J1-E9 J1-F6

J5-B

1219392812193905

FNAUPC001mbec_1382

Blk Asm - Mbec Control Dimming

J1-E4

J1-E7

FOGLP_DIM1382

SEO_DIM1382

TBC_POTREF1056 HIRES_REF

QS4_DIM

ATC_DIM

RRFOG_IND

TBC_POTRTNTBC_DIMPOT

MSR_DIM

TBC_CTLDIMHDLP_DIM

Dimming Control (w/o Y91)

K33117a_008_02

D-175PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

IP

IP

IP

BRKCLTCH

230

230

230

230

230 230 230 230

230230SA230

IP

IP

IP IP

IP BODY HDLNR

230

/5XL/TRW&5G4/5Y0

Panel Set: 1

-1mbec_230a

CD Bklt1-Page 8A-153B

REMOTE CD PLAYER

SEO Sw

mbec_230bMbec Backlighting

117B8A-Page -1

Mbec Backlighting

117B8A-Page

1-Page 8A-152A

STEERING WHL CNTLSteering Whl Sw

1-Page 8A-110F

EXTERIOR LIGHTINGS

230.

TWP0.35IP

&YE9

750

BRN/WHT

Rear Wiper Sw1-Page 8A-92A/116A/B

REAR WIPER/WASHER/CARGO LP

40F GT 150 280IPD3

0.35BODY

&06/36&YE9

750

BRN/WHT230.

TWP

15359287

CONSOLED3

7

&06

IP0.35

1533641740M GT 150 280

TWP

.230BRN/WHT

50

Rr Hvac CntrRRHVAC

66A/B/69/A8A-Page -2

Rpa Disable Sw1-Page 8A-70A

REAR PARKING AID

HEATED SEATS

143A8A-Page -2Rr Htd Seat Sw

BRN/WHT50

7

&U1S

IP0.35 TWP

.230

2-Page 8A-19C

CIGAR /AUX PWRClock Analog7

50

BRN/WHT230.

TWP

Sir Sw3-Page 8A-47B

PSIR

0.35IP

&C99

Rr Window Sw2-Page 8A-120A

POWER WINDOWS

TWP

.230BRN/WHT

507

=&06/36&YE9&Y91#&53&Y91

HDLNR0.35

PWR SUNROOF

122A8A-Page -1Sunroof Sw

HEATED SEATS

143A8A-Page -1Lr Htd Seat Sw

Hdlp SwINTERIOR LIGHTING

114A/B8A-Page -4/31-Page 8A-43B

MSRMsr Sw

TWP

0.35IP

&Z75

750

BRN/WHT230.

TWP

1-Page 8A-45A

QS4Qs4 Sw

0.35IP

750

BRN/WHT230.

J1-D3J5-F

BRN/WHT50

7

&UM8

IP0.35

1219392812193905

FNAUPC001mbec_230a

Blk Asm - Mbec Backlighting (PWM)

J1-A11J1-C2

TWP

.230

010of 21

PROD CKMCE1DIMMING CONTROL(W/Y91)CK EAU X03 &Y91

Tuesday, January 21, 2003

3:44:20 pm

$IVEDWORK/k33117b__010schematic sheet1

k33117b221

TWP

.230BRN/WHT

507

=&ZX3

BRKCLTCH0.35

J1-D2

J10-F J4-A

153570301219392212193905

FNAUPC001mbec_230b

Blk Asm - Mbec Backlighting (PWM)

J1-A8

J1-B8

J1-C3

J1-C8

1-Page 8A-114A/B

INTERIOR LIGHTINGUgdo Sw

230.

TWP

VSES SwBRAKES

44A8A-Page -1

0.35CONSOLE

&06

750

BRN/WHT

BRN/WHT50

7

IP0.35

251A/B-3 J1-E

TBC

TWP

POWER WINDOWS

120A8A-Page -1Lr Window Sw

TWP

.2300.35

IP

&06/36&YE9

750

BRN/WHT230.

INFOTAINMENT

150C8A-Page -1

0.35IP

=&JL4-NR4/NW7

750

BRN/WHT230.

TWP

Radio

&NYS

0.35IP

750

BRN/WHT230.

TWP

230 RPA_BKLT RADIO_BKLT

Hvac Cntrl1-Page 8A- 60/65/68

HVAC

MBEC230230

230 SEO_BKLT

CDX_BKLT

SWC_BKLT

TBC_BKLT1

MBEC230

PSIR_BKLT

LRWIN_BKLT230

RRHVAC_BKLT230HVAC_BKLT230 VSES_BKLTFGCG_BKLT230

HDLPSW_BKLT

CLK_BKLT

RRSEAT_BKLT

SNRF_BKLT

230 LRSEAT_BKLT

MSR_BKLT

RRWIN_BKLT

UGDO_BKLTQS4_BKLT

Dimming Control (w/Y91)

K33117b_010_01

D-176PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

36 4

REFDIMMING

RTNPOTPOT5V

1382

1382

1382

IP

IP

BRKCLTCH

IP1382

SA1382

1382

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

117-3DIM CNTRL

HDLPINT LTS

POA HDLP SWITCH

&JL4/NYS/Z55

&JL4/NYS/Z55 -JL4/NYS/Z55

&JL4/NYS/Z55 -JL4/NYS/Z55

PART#

114-3100-2

Panel Set: 2

PAGE 8A-

=&ZX3

750

PPL/WHT

1382.

TWP0.35BRKCLTCH

0.35 TWP

.1056GRA

507

-JL4/NYS/Z55

IP

J2-B11251A/B-3POT

PPL/WHT1382.

REF

TWP0.35IP

&Z75

750

POTDIM

251A/B-3 J3-B8

TBC

J1-B251A/B-3

Hires Snsr Ref1-Page 8A-45B

STEERING WHEEL-HIRES SNSR

MSR Sw1-Page 8A-43B

MSRBlk Asm - Hdlp Sw

004FNAUPC

hdlp_dim_sw

15405512

11 1213

0.35IP

750

PPL/WHT1382.

TWP

STEERING CNTRLS

45A8A-Page -1QS4 Control Dimming

X03 &Y91

Tuesday, January 21, 2003

3:44:20 pm

$IVEDWORK/k33117b__010schematic sheet1

k33117b221

010of 22

PROD CKMCE1DIMMING CONTROL(W/Y91)CK EAU

750

GRA1056.

TWP

SA1056

001mbec_1382Blk Asm - Mbec Control Dimming

J1-E4

J1-E7 J1-E9 J1-F6

J5-B

0.35IP

&JL4/NYS/Z55

TWP

.2090ORN/BLK

507

IP0.35

1219392812193905

FNAUPC

8A-92A/103C/116A

CARGO/REAR WIPER

TBC

POTRTN

251A/B-3 J4-B6

IP0.35

Headlamp Sw2-Page 8A-100A

HEADLAMPS

Cargo Frt Fog Lps1-Page

TWP0.35IP

7

TWP

.1382PPL/WHT

507

50

GRA/BLK2226.

REAR PARKING AID

70A8A-Page -1RPA Disable Sw

1382PPL/WHT

507

&NYS

IP0.35 TWP

.

TWP

.1056GRA

507

&JL4/NYS/Z55

IP0.35

1382 FOGLP_DIM

TBC_POTREFHIRES_REF1056

HDLP_DIM QS4_DIM RPA_DIM

TBC_POTRTNTBC_DIMPOT

MSR_DIM

TBC_CTLDIM

Dimming Control (w/Y91)

K33117b_010_02

D-177PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 1

A

B

0.35IP

=&06/36/43#&03/53&YE9

750

ORN1732.

TWP

8A-Page -1Mbec 1732

12047662

001FNAUPC

glvbox_lampLamp Asm-Glove Box

Gnd Zone #1016-Page 8A-14A

INTERIOR LIGHTING

114A/B

1 CKMC03PROD1

GND DIST

1050 GBOXLP_GND

GBOXLP_FD

00463

k33118asheet1schematic $IVEDWORK/k33118a__004

12:24:59 pm

Thursday, March 14, 200203 XCK EAU

COMPARTMENT LAMPS

Compartment Lamps

K33118a_004_01

D-178PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 1

CAMPER EXTA

1

BETA2 CKMC031CAMPER WIRINGCK EAU X03 &UY1

Wednesday, June 6, 2001

11:10:04 am

$IVEDWORK/k33119c__001schematic sheet1

k33119c13

001

A

Blunt CutA

Blunt CutA

120201141M M/P 280

J228 Blunt CutA

Blunt CutA

Blunt Cut

Blunt CutA

Blunt CutA

Blunt CutA

SA22

CAMPER7

50

BLU LT1620.

GPT0.8

5.0 GPT

.22

5019

CAMPER

.

GPT3.0CAMPER19

50

WHT22.

GPT5.0

CAMPER19

50

BLU DK47

SA47

GPT

.47BLU DK

5019

CAMPER3.0

CAMPER7

0.8 GPT

.1624GRN LT

507

CAMPER

CAMPER1.0

SA1624

50

GRN LT1624.

GPT0.8

1.0CAMPER

750

BRN

GPT

.2109BRN

507

GPT0.8CAMPER

7

SA2109

2109.

GPT

CAMPER0.8 GPT

.1619GRN DK

50

50

GRN DK1619.

SA1619

7

.

GPT

507

CAMPER0.8 GPT

.1618YEL

742.

SA1618

0.8CAMPER

750

YEL1618

EF G

SA742

GPT3.0CAMPER

1950

RED

Camper Inline Connector

FNAUPCcamper_inl_conn

15317327

001

AB C D

3.0 GPT

.742RED

5019

CAMPER

22

CP_22

(Page 2)

(Page 2)

CP_47

47

1624

CP_1624

(Page 2)

(Page 2)

CP_2109

2109

1619

CP_1619

(Page 2)

(Page 2)

CP_1618

1618

742

CP_742

(Page 2)

Trailer and Camper Wiring

K33119c_001_01

D-179PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

schematic sheet1

k33119c13

001Panel Set: 2

BRN50

7

CAMPER

2

BETA2 CKMC031CAMPER WIRINGCK EAU X03 &UY1

Wednesday, June 6, 2001

11:10:04 am

$IVEDWORK/k33119c__001

1.0 GPT

.2109

1950

RED742.

GPT3.0

0.8 GPT

.1618YEL

507

CAMPER

CAMPER

7

CAMPER

50

BLU DK47.

GPT3.0

0.8 GPT

.1624GRN LT

50

5.0 GPT

.22WHT

5019

CAMPER

CAMPER19

FG

CAMPER7

50

GRN DK1619.

GPT0.8

(Page 1)

(Page 1)

CP_742

002

15354653

trlr_inln_connUPC FNA

Trailer Inline Connector

A BCDE

(Page 1)

CP_22

CP_47

(Page 1)

(Page 1)

CP_1624

CP_2109

(Page 1)

(Page 1)

CP_1619

CP_1618

Trailer and Camper Wiring

K33119c_001_02

D-180PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

CLASS-2:N/A

CAMPER HEAVY DUTY EXPORT

FEATURES:TRAILER HARNESSES:

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

schematic sheet1

k33m_misc49

0071

X CKMC030MiscellaneousPROJECT C/K EAU03

Friday, September 21, 2001

1:04:30 pm

$IVEDWORK/k33m_misc__007

CAMPER TRAILERING

CAMPER INLINE

1620 CKT TRLR JMPR BLUNT CUT

TRLR JMPR BLUNT CUT

TRLR JMPR BLUNT CUT

TRLR JMPR BLUNT CUT

TRLR JMPR BLUNT CUT

TRLR JMPR BLUNT CUT

TRLR JMPR BLUNT CUT

TRLR JMPR BLUNT CUT

1624 CKT

2109 CKT

1619 CKT

1618 CKT

47 CKT

RPO = UY7 & Z82

742 CKT

TRAILER INLINE CONN

1750 CKT

RPO = Z82503 TRAILER CONN

1050 CKT

EXPORT TRAILERING

PK LMP

CHMSL

2409 CKT

GND

STUD2

MBEC

47 CKT

BATTVeh CHMSL

FLASHERLT TRLR

2109 CKT

BATTSTUD2

TRLR JMPR BLUNT CUT

ZONE 17GND

STUD1BATT

TRLR JMPR BLUNT CUT742 CKT

TRLR JMPR BLUNT CUT

TRLR JMPR BLUNT CUT

TRLR JMPR BLUNT CUT

1750 CKT

TRLR JMPR BLUNT CUT

TRLR JMPR BLUNT CUT

RT TRLRFLASHER

IGN3TRLR B/U

TRLR PARKBATT

GNDZONE 10

1618 CKT

36 SERIES

UTILITY

35 SERIES

1624 CKT

1619 CKT

1620 CKT

242 CKT

Intpk/RfmkrBATT

GNDZONE 16

1550 CKT

ZONE 15GND

1650 CKT

47 CKT

HEAVY DUTY TRAILERING

ZONE 16GND

1550 CKT

503 TRAILER CONNRPO = Z82

ZONE 17GND

STUD1BATT

47 CKT

1620 CKT

242 CKT 1618 CKT

RPO = UY7 & Z82TRAILER INLINE CONN

1624 CKT

1619 CKT

2109 CKT

FLASHER

FLASHERLT TRLR

RT TRLR

IGN3TRLR B/U

TRLR PARKBATT

1650 CKT

35 SERIES

UTILITY

36 SERIES

742 CKT

1750 CKT

47 CKT

RPO = UY7

GNDZONE 15

RPO = Z82

RPO = UY7

BATTSTUD2

TRLR JMPR BLUNT CUTFOR ELEC BRAKE MDL

FOR ELEC BRAKE MDLTRLR JMPR BLUNT CUT

FOR ELEC BRAKE MDLTRLR JMPR BLUNT CUT

242 CKT

1050 CKT

TRLR JMPR BLUNT CUTFOR ELEC BRAKE MDL

MBEC

Trailer and Camper Wiring

K33m_misc_007

D-181PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

6040

LOCKS

A

B12092077

20A

842

IP BODY LFDOOR IP BODY IP IP BODY BODY IP694

6040 6040 1050

87A

Door Unlock Relay Driver Unlock Relay

30

85

86

87 87A

12077866

1050

J1-

J3-

J4-294 1391

SA6040

SA1050

SA294SA295

Door Lock Relay

30

85

86

87 87A

12077866 12077866

30

85

86

87

295 295 295

295

245

294

294 294

6040 6040 1050 6040 6040 1050

244 295

Panel Set: 1

7

&06/36/43

BODY0.8 TWP

.295GRA

50

BODY

&06/36/43

750

TAN294.

TWP0.8

IP7

50

GRN LT1391.

TWP0.35

J2-A7251A-1

TBC

DRVR DOORUNLK (LSD)

DOOR LOCKRLY (LSD)

TBC251A-1 J2-A6

283

0101

PROD CKMCE1POWER DOOR LOCKS BASE (W/O DDM/PDM)CK EAU X03 &AU3-YE9

Tuesday, September 24, 2002

12:34:20 pm

$IVEDWORK/k33130a__010schematic sheet1

k33130a

0.8 TWP

.294TAN

507

&06/36/43

BODY

DOOR LOCKS

130A8A-Page -2Driver Miniwedge

750

GRA295.

TWP0.8BODY

&06/36/43

294.

TWP0.8IP

750

TAN

BODY

&ZW9

750

GRA295.

TWP0.8

POWER DIST

20A

Locks (Lh Bec)17/9

J4-EJ4-FJ4-K J4-L

-Page 8A- 10A/B

J1-A2 J1-A4 J1-B6J1-C9 J1-D11J3-C

153287681219403512193906

FNAUPC003lbec_295

Blk Asm - Base Power Doors

TWP0.35

GND DISTGnd Zone #10(Lbec 1050)

7-Page 8A-14A

IP7

50

BLU LT244.

Cargo Door LockSIDE CONTACT PLATES

129A8A-Page -1

RLY (LSD)DOOR UNLK

TBC251A-1 J2-A3

0.8 TWP

.295GRA

507

IP

.245BLU DK

507

IP0.35 TWP

Cargo Door UnlockSIDE CONTACT PLATES

129A8A-Page -1

UNLK_DRVR

CGO_DRLK

(Page 2)

LFDR_LK

295

CGO_DRUNLK294

LKUNLK_RLY1050 DRLK_GND

DRLOCK_RLYDRV_UNLOCK

DRUNLK_RLY

LRDR_LK

(Page 3)

RRDR_LK

(Page 3)

(Page 2)

RFDR_LK

(Page 3)

LRDR_UNLK

294

RRDR_UNLK

(Page 3)

RFDR_UNLK

(Page 2)

Power Door Locks: Base (w/o DDM/PDM)

K33130a_010_01

D-182PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

M

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

IP

RFDOOR

IP

RFDOOR

IP

RFDOOR

295 294 746

M

IP

LFDOOR

745

LFDOOR694

130-3

DRLK

POA MINIWEDGE

POA MINIWEDGE

PART#

PART#

DRLKPAGE 8A-

Panel Set: 2

130-2PAGE 8A-

J3-B

LOCK

J1-B

J2-A

RTNAJAR

J2-C

AJARKEYRTN

J3-A

KEYUNLOCK

15366027J2-

001pass_frnt_wedgePass Miniwedge

UPC FNAJ1- 15300027

J3- 12052642UNLOCK

J1-A

TWP

.745GRA/BLK

507

=-YE9

LFDOOR0.35

(WUFR)LFDOOR

251A-1 J4-B4

TBC

TWP

.746BLK/WHT

507

=-YE9

RFDOOR0.3550

TAN294.

TWP0.8

(WUFR)RFDOOR

251A-1 J4-A5

TBC

RFDOOR7

14A8A-Page -9Gnd Zone #10

GND DIST

2

PROD CKMCE1POWER DOOR LOCKS BASE (W/O DDM/PDM)CK EAU X03 &AU3-YE9

Tuesday, September 24, 2002

12:34:20 pm

$IVEDWORK/k33130a__010schematic sheet1

k33130a283

010

295.

TWP0.8RFDOOR

750

GRA

14A8A-Page -7Gnd Zone #10

GND DIST

J2-D J3-A

RTNKEY KEY

J3-B

UNLOCKJ2- 15366025

12052642J3-

15300027J1-FNAUPC

Driver Miniwedgedrv_front_wedge 001

J1-A

UNLOCK

J1-B

LOCK

AJAR

J2-B

AJARRTN

50

BLK/WHT746.

TWP0.35IP

=-YE9

7

J1-7A J1-7D

J2-EJ7-A J7-D

121939221219393015401495

FNA12H001rbec_294

Blk Asm-Rbec Pass Miniwedge

J1-2E

7

LFDOOR0.8 TWP

.295GRA

50

Blk Asm - Base Power Doorslbec_694 001UPC FNA

12194035

J3-F

Driver Unlock Relay1-Page 8A-130A

DOOR LOCKS

LFDOOR7

50

TAN694.

TWP0.8

1219403512193906

FNAUPC001lbec_745

Blk Asm - Drv Miniwedge

J1-F4

J3-K

0.35IP

=-YE9

750

GRA/BLK745.

TWP

295

RFDR_LK

(Page 1)294(Page 1)

RFDR_UNLK

UNLK_DRVR

LFDR_AJAR

LFAJAR_GND1050

RFAJAR_GND1050

RFDR_AJAR

(Page 1)

LFDR_LK

Power Door Locks: Base (w/o DDM/PDM)

K33130a_010_02

D-183PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

M MM

Panel Set: 3

PART#130-4

POA MINIWEDGEPAGE 8A- PAGE 8A-

DRLK

POA MINIWEDGE

130-4PART#DRLK

J2-D

15366025J2-

001lr_wedgeLR - Door Miniwedge

UPC FNA

J1- 15300027

J1-A

UNLOCK

LOCK

J1-B

AJAR

J2-B

AJARRTN

TAN50

7

&06/36/43

LRDOOR0.8 TWP

.294

H BODY10F M/P 150 28012177259

3

N

010283

k33130asheet1schematic $IVEDWORK/k33130a__010

12:34:20 pm

Tuesday, September 24, 2002&AU3-YE903 XCK EAU

POWER DOOR LOCKS BASE (W/O DDM/PDM)1 CKMCEPROD

MNCargo Door Unlock

1-Page 8A-129A

SIDE CONTACT PLATES

50

TAN294.

TWP0.8DRCGOR

=&06&ZW9

7

N

N

14A8A-Page -13Gnd Zone #11

GND DIST

17M M/P MXD12177258

H

295.

TWP0.8LRDOOR

&06/36/43

7

RRDOOR

50

GRA

BODY10F M/P MXD12177259

P

LRDOOR17M M/P 150 28012177258

H

GND DIST

0.8 TWP

.1150BLK

507

&06/36/43

LRDOOR

AJAR

14A8A-Page -11Gnd Zone #12

15300027J1-

FNAUPC

RR - Door Miniwedgerr_wedge 004

J1-A

UNLOCK

J1-B

LOCK

J2-A

RTNAJAR

J2-C

TWP

.747BLU LT/BLK

507

&06/36/43

RRDOOR0.35

15366027J2-

0.8BODY

=&06/36/43-YE9

750

BLK1150.

TWP

507

=&06&ZW9

DRCGOR0.8

BODY

=&06/36/43-YE9

750

BLU LT/BLK747.

TWP

TWP

.295GRA

0.35

1217725910F M/P 150 280BODYP

M12177259

H BODY10F M/P MXD

50

BLK1150.

TWP0.8RRDOOR

&06/36/43

7

LRDOOR0.35 TWP

.747BLU LT/BLK

507

&06/36/43

LRDOORP

M

750

TAN294.

TWP0.8

1217725817M M/P 150 280

0.8 TWP

.295GRA

507

&06/36/43

RRDOOR

RRDOOR

&06/36/43

-Page 8A-129A

SIDE CONTACT PLATES

0.35BODY

=&06/36/43-YE9

750

GRN LT/BLK748.

TWP

Cargo Door Lock1

0.8 TWP

.1250BLK

507

=&06/36/43-YE9

BODY

UPC

Mtr - Cargodoor_lk_mtr

12077900

001

A

B

FNA

M

(WUFR)LRDOOR

251A-1 J6-A3

TBC

(WUFR)RRDOOR

251A/B-2 J6-A2

TBC

12177258P RRDOOR

17M M/P MXD

LRDR_AJAR RRDR_AJAR

LRAJAR_GND RRAJAR_GND

MTR_DRUNLK

MTR_DRLK

294(Page 1)

LRDR_UNLK

(Page 1)

LRDR_LK

295 295

RRDR_LK

(Page 1)

RRDR_UNLK

(Page 1)294

Power Door Locks: Base (w/o DDM/PDM)

K33130a_010_03

D-184PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

LO

CK

UN

LO

CK

RFDOOR

IP

1851

195194

RFDOOR RFDOOR

IP IP

D E

LK

F

Panel Set: 4schematic $IVEDWORK/k33130a__010

12:34:20 pm

Tuesday, September 24, 2002&AU3-YE903 XCK EAU

POWER DOOR LOCKS BASE (W/O DDM/PDM)1 CKMCEPROD

4

Sw Asm - Pass Lockdoor_lock_swUPC FNA

002

12064860

UNLK

AB

010283

k33130asheet1

TWP0.35RFDOOR

750

BLU LT195.

.

TWP0.35RFDOOR

750

BLK/WHT1851

0.35 TWP

.1050BLK

507

RFDOOR

(Mbec 1851)11-Page 8A-14A

GND DIST

Door Lock Sw1-Page 8A-117A

DIMMING CNTRL

7

RFDOOR0.35 TWP

.194WHT

50

12H001rbec_194

Blk Asm-Rbec Pass Side Lock

J1-7E J1-7F

J7-E J7-F

14A8A-Page -9Gnd Zone #10

GND DIST

1219392215401495

FNA

J2-C

1219393015401495

FNA12H001rbec_1851

Blk Asm-Rbec Pass Lock Gnd

J1-2C

1851 RFDRLK_GND

(Page 5)

UNLK_194

194

195

LK_195

(Page 5)

RFBKLT_GND

PASS_LKSW230

Power Door Locks: Base (w/o DDM/PDM)

K33130a_010_04

D-185PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

194194195195

195 194

SA195 SA194

BODY LFDOORBODYLFDOOR

IP IP

LO

CK

UN

LO

CK

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

LFDOOR1851

Panel Set: 5

(WUF)LOCK SW

J4-B5251A-1

TBC

DIMMING CNTRL

117A8A-Page -1Door Lock Sw

IP7

50

BLU LT195.

TWP0.35

750

BLU LT195.

TWP0.35LFDOOR

LFDOOR

BLK/WHT50

7

&AU3-YE9

LFDOOR

0.35 TWP

.194WHT

507

0.35 TWP

.1851

BLU LT50

7

IP

J1-D9

J3-BJ3-J J4-D J4-M

0.35 TWP

.195

TBC251A-1 J4-B10

UNLK SW(WUF)

Blk Asm - Drv/Pass Door Swlbec_195 001UPC FNA

121939061219403515328768

J1-B11

7

IP0.35 TWP

.194WHT

50

LK

F

Sw Asm - Driver Lockdoor_lock_swUPC FNA 12064860

002UNLK

AB

D E

7

LFDOOR

IP7

50

WHT194.

TWP0.35

0.35 TWP

.230BRN/WHT

50

Lbec7-Page 8A-14A

GND DIST

J3-M

110A/B8A-Page -3Flasher Asm

EXTERIOR LIGHTING

001FNAUPC

lbec_1851Blk Asm - Flasher

12194035

283

k33130asheet1schematic $IVEDWORK/k33130a__010

12:34:20 pm

Tuesday, September 24, 2002&AU3-YE903 XCK EAU

POWER DOOR LOCKS BASE (W/O DDM/PDM)1 CKMCEPROD

5

010

FLS_GND

1050 LFBKLT_GND

194(Page 5)

DRV_SIDE

UNLK_194

(Page 4)

(Page 4)

LK_195

TBC_LKSW1 TBC_UNLKSW1

(Page 5)

DRV_SIDE

DRV_LKSW

Power Door Locks: Base (w/o DDM/PDM)

K33130a_010_05

D-186PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

6040

LOCKS

A

B 12092077

20A

842

IP BODY BODY IP BODY BODY

10506040 6040

12077866

30

85

86

87 87A

Rear Door Unlock Relay

1050

254 294

294 294

SA6040

SA295 SA294

SA1050

Rear Door Lock Relay

30

85

86

87 87A

12077866

6040 6040 1050

255 295

295 295

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

Panel Set: 1

J2-A6REAR DOORLK RLY (LSD)

TBC251B-1

&E52

7

BODY

&06/36/43

750

TAN294.

TWP0.8

50

GRA295.

TWP0.8BODY

.294TAN

507

&06/36/43

BODY0.8 TWP

&06/36/43

IP0.35 TWP

.255GRA/BLK

507

14A8A-Page -7Gnd Zone #10(Lbec 1050)

GND DIST

1-Page 8A- 129A

SIDE CONTACT PLATESCargo Door Unlock

50

GRA295.

TWP0.8

0.8 TWP

.294TAN

507

&E52

BODY

BODY

&06/36/43

7

0.8 TWP

.295GRA

507

&06/36/43

BODY

12:53:13 pm

Tuesday, September 24, 2002&YE903 XCK EAU

POWER DOOR LOCKS UPLEVEL (W/DDM/PDM)1 CKMCEPROD

1

011204

k33130bsheet1schematic $IVEDWORK/k33130b__011

J1-A2 J1-A4 J4-EJ4-FJ4-KJ4-L

1532876812193906

FNAUPC003lbec_294

Blk Asm - Uplevel Power Doors

TWP0.35IP

&06/36/43

750

TAN/BLK254.

17/9Locks (Lbec)

20A

POWER DIST

10A/B8A-Page -

507

&ZW9

BODY

1-Page 8A- 129A

SIDE CONTACT PLATESCargo Door Lock

0.8 TWP

.295GRA

J2-A3251B-1

TBC

UNLK RLY (LSD)REAR DOOR

CGO_DRLK295 CGO_DRUNLK294

DRLK_GND1050LKUNLK_RLY

(Page 3)

GATE_UNLK

GATE_LK

(Page 3)

(Page 4)

LRDR_LK

(Page 4)

RRDR_LK

LRDR_UNLK

(Page 4)

(Page 4)

RRDR_UNLK

294

RRDR_LKRLY RRDR_UNLKRLY

Power Door Locks: Uplevel (w/ DDM/PDM)

K33130b_011_01

D-187PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

M

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

PART#DRLK

POA MINIWEDGE

Panel Set: 2

PAGE 8A-130-2

50

TAN294.

TWP0.35LFDOOR

7

(WUF)KEYUNLK

J2-15254A-1

7

LFDOOR0.35 TWP

.295GRA

50

DDM254A-1 J2-18

AJAR(GND)DRTN2

J2-3254A-1

LFDOOR7

50

GRA/BLK745.

(GND)DRTN1

J2-2254A-2

TWP0.35

(HSD/LSD)UNLOCK

J2-20254A-1

0.35LFDOOR

750

GRN LT262.

TWP

J3-A

RTNKEY

J3-B

UNLOCK

J1-15366025J2-

J1-A

UNLOCK

J1-B

LOCK

J2-B

AJAR

J2-D

RTNAJAR KEY

DDM254A-1 J2-21

LOCK(HSD/LSD)

FNAUPC

Driver Miniwedgedrv_front_wedge 001

12052642J3-

15300027

TWP

.1183BRN

507

LFDOOR7

LFDOOR0.35 0.35 TWP

.536BLU DK

50

011204

k33130bsheet1schematic $IVEDWORK/k33130b__011

12:53:13 pm

Tuesday, September 24, 2002&YE903 XCK EAU

POWER DOOR LOCKS UPLEVEL (W/DDM/PDM)1 CKMCEPROD

2

DRKEY_UNLKDRV_DRUNLK

DRV_DRLK

LFAJAR_RTN DRKEY_RTNDRV_DRAJAR

Power Door Locks: Uplevel (w/ DDM/PDM)

K33130b_011_02

D-188PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

M

M

M

253A-1 J2-11

UNLOCK(HSD/LSD)

DRLKPART#

Panel Set: 3

UTILITY

PU

POA MINIWEDGE

UTILITY

PU

130-2PAGE 8A-

TWP

.294TAN

507

=&06&ZW9

DRCGOR

SIDE CONTACT PLATES

129A8A-Page -1Cargo Door Lock

0.8

.294TAN

507

=&06&E52

EGATEXT

A

B

0.8 TWP

.295GRA

507

=&06&ZW9

DRCGOR

001

12077900

lift_gate_mtrMtr-Lift Gate

UPC FNA

0.8 TWP

0.35 TWP

.294TAN

507

RFDOOR

PDM253A-1 J2-10

LOCK(HSD/LSD)

RFDOOR7

50

GRA295.

TWP0.35

BODY3M M/P 15012064759

A

Tuesday, September 24, 2002&YE903 XCK EAU

POWER DOOR LOCKS UPLEVEL (W/DDM/PDM)1 CKMCEPROD

3

15355586

F

011204

k33130bsheet1schematic $IVEDWORK/k33130b__011

12:53:13 pm

BODY12F GT 280

.

TWP0.35

265GRN LT

507

&06/36

RFDOOR RFDOOR

&03/43/53

750

GRN LT265

RFDOOR0.35 TWP

.1178GRN DK

507

0.35 TWP

.

TWP0.8

ENDGATED

EGATEXT

=&06&E52

750

GRA295.

8F M/P 150EGATE EXT

12047886

D

120456888M M/P 150

J2-20253A-3(GND)

DRTNR1

0.8 TWP

.295GRA

507

=&06&E52

ENDGATE

RFDOOR3F M/P 15012064758

A

BLU LT50

RFDOOR0.35 TWP

.537

8A-Page -1Cargo Door Unlock

SIDE CONTACT PLATES

129A

0.35BODY

&06&ZW9

750

GRN LT265.

TWP

15326018F

(WUF)KEYUNLK

J2-24253A-3

PDM

EGATE EXT12M GT 280

C

1-Page 8A-129A

SIDE CONTACT PLATESCargo Door Key Unlock Sw

(GND)DRTNR2

J2-6253A-3

12047886

EGATE EXT8F M/P 150CENDGATE8M M/P 15012045688

PDM253A-3 J2-5

DOORAJAR

TWP

.265GRN LT

507

&06/36

RFDOORTWP0.35

SA265

0.35RFDOOR

&06/36

750

GRN LT265.

50

TAN294.

TWP0.8

12077900

door_lk_mtrMtr - Cargo

UPC FNA

A

B

ENDGATE

=&06&E52

7

001

J3-B

LOCK

J1-B

J2-A

RTNAJAR

J2-C

AJARKEYRTN

J3-A

KEYUNLOCK

001pass_frnt_wedgePass Miniwedge

UPC FNAJ1- 15300027

J3- 1205264215366027J2-

UNLOCK

J1-A

EGATE EXTE

1535558612F GT 280BODYE

1532601812M GT 280

0.35RFDOOR

750

BLK/WHT746.

TWP

294(Page 1)

GATE_UNLK

PASSKEY_UNLK

(Page 1)

GATE_LK

295

MTR_DRLK

PASSKEY_RTNPASS_DRAJARRFAJAR_RTNPASS_DRLK PASS_DRUNLK

CGO_KEY

MTR_DRUNLK

Power Door Locks: Uplevel (w/ DDM/PDM)

K33130b_011_03

D-189PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

M M130-3

PAGE 8A-

Panel Set: 4

DRLK 130-3PAGE 8A-

POA MINIWEDGEPART#DRLK

POA MINIWEDGEPART#

$IVEDWORK/k33130b__011

12:53:13 pm

Tuesday, September 24, 2002&YE903 XCK EAU

POWER DOOR LOCKS UPLEVEL (W/DDM/PDM)1 CKMCEPROD

4

0.35 TWP

.747BLU LT/BLK

507

&06/36/43

RRDOOR

011204

k33130bsheet1schematic

0.35 TWP

.747BLU LT/BLK

507

&06/36/43

BODY

M

M

10F M/P MXDBODYP12177259

BODY

&06/36/43

750

GRN LT/BLK748.

TWP0.35

50

GRA295.

TWP0.8

M

RRDOOR

&06/36/43

7

RRDOOR

&06/36/43

750

BLK1150.

TWP0.35

1217725817M M/P MXDRRDOORP

J2-D

RTNAJAR 15300027J1-

FNAUPC

LR - Door Miniwedgelr_wedge 001

J2- 15366025

J1-A

UNLOCK

J1-B

LOCK

J2-B

AJAR

LRDOOR17M M/P 150 28012177258

H

0.35

RRDOOR

J6-A2251A-2

TBC

(WUFR)

BODY

&06/36/43

750

BLK1150.

TWP

7

&06/36/43

LRDOOR

LRDOOR17M M/P 150 28012177258

P

0.35 TWP

.1150BLK

50

0.8 TWP

.295GRA

507

&06/36/43

LRDOOR

294.

TWP0.8

N

10F M/P 150 28012177259

P

LRDOOR

&06/36/43

750

TAN

N

BODY

14A8A-Page -13Gnd Zone #11

GND DIST

TBC251A-2 J6-A3

LRDOOR(WUFR)

12177259H BODY2

10F M/P 150 280

N

AJAR

J2-C

15300027J1-

FNAUPC

RR - Door Miniwedgerr_wedge 004

J2- 15366027

J1-A

UNLOCK

J1-B

LOCK

AJARRTN

J2-A

TAN50

7

&06/36/43

RRDOOR0.8 TWP

.294

N

14A8A-Page -12Gnd Zone #12

GND DIST

MBODY210F M/P MXD12177259

H

0.35 TWP

.1250BLK

507

&06/36/43

BODY

12177258

H

LRDOOR

&06/36/43

750

BLU LT/BLK747.

TWP0.35

RRDOOR17M M/P MXD

RRDR_AJAR

LRAJAR_GND RRAJAR_GND

LRDR_AJAR

295

LRDR_LK

(Page 1)

LRDR_UNLK

(Page 1)294

(Page 1)

RRDR_LK

295

294(Page 1)

RRDR_UNLK

Power Door Locks: Uplevel (w/ DDM/PDM)

K33130b_011_04

D-190PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

TA

MP

ER

HA

LL

SE

CU

RIT

Y

274

HA

LL

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

PASS KEY III

IGNSW

110-1

114-3

114-3KEYMNDR

040-1

HORN 040-1SIR 047-2

BEAMSW

PASSLOCK 133-1PASSKEY

PASSLOCK 133-1

133-1

IGNSWPART#

091-1

PART#

SIR 047-2

CRUISE010-1034-1

PAGE 8A-POA STEERING COLUMN

034-1

TRNHZ 110-1

110-5

110-5KEYMNDR

133-1

WIPER

091-1TRNHZ

POA STEERING COLUMN

PASSKEY

HORN

010-1

BEAMSW

Panel Set: 1

NOTE: POWER SOUNDER & HOOD OPEN SW

TO COME:

PAGE 8A-

CRUISE

WIPER

251A/B-4 J2-A11

PLPWR

BLK50

7

IP0.35 TWP

.1835

IP

&T89

750

PNK1020.

TWP0.35B27

DATA

B28

PWR

B29

passlock_snsr 003STRG Col Asm - Passlock Sw

UPC FNA

15417597ANALOGRTN

PLRTN

J2-B7251A/B-4

passkey_snsr 002STRG Col Asm - Passkey

UPC FNA

15417597

C5C6 C7

STRG COL ASM

110A/B8A-Page -8/7Turn/ Hazard Sw

Hires Snsr

0.35 TWP

.1140ORN

507

&T89

IP

STEERING WHEEL-HIRES SNSR

45B8A-Page -1

007164

k33133asheet1schematic $IVEDWORK/k33133a__007

9:20:18 am

Thursday, August 8, 200203 XCK EAU

THEFT DETERRENT CONTENT1 CKMC03PROD

1

-Page 8A-10A/B

POWER DIST

10A

TBC Batt Fuse (Uh Bec)8/3

1-Page 8A-55A

SERIAL DATA LINKClass II

IP

-T89

750

YEL1836

14/12IGN0 Fuse (Uh Bec)

10A

POWER DIST

10A/B8A-Page -

507

-T89

IP0.35 TWP

.812RED/WHT

.

TWP0.35

(A/D)PLDAT

J3-A6251A/B-4

TBC

PKEY_GND1851

1807 CL2_PKEY PKEY_PWR

PKEY_IGN0

PASS_LKDATA PASS_LKRTNPASS_LKPWR

HIRES_RTN1851

Theft Deterrent Content

K33133a_007_01

D-191PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 2

GND DIST

14A8A-Page -15Gnd Zone #14 (1450 Splice)

A

B

lift_glass_ajar 001Lift Glass Ajar

UPC FNA

12052644

GND DISTGnd Zone #14 (1450 Splice)

15-Page 8A-14A

12045688A

&06&E52

750

PNK/BLK1303.

TWP0.35EGATEXT

ENDGATE8M M/P 150

PNK/BLK50

7

&06&E52

ENDGATE7

50

PNK/BLK1303.

TWP0.35 0.35 TWP

.1303

ENDGATE

&06&E52

750

PNK/BLK1303.

TWP0.35ENDGATE

&06&E52

UPC001eau_gate_ajar

L-Gate Ajar

A

B

12052644FNA

SA1303

ENDGATE0.35 TWP

.1303PNK/BLK

507

&06&E52

8A-14A

EGATE EXT8F M/P 15012047886

A

eau_gate_ajar 001R-Gate Ajar

UPC FNA

12052644

A

B

GND DISTGnd Zone #14 (1450 Splice)

15-Page 1-Page 8A-92A

REAR WIPER/WASHERRR Wiper Mtr

CK EAU

THEFT DETERRENT CONTENT1 CKMC03PROD

2

TWP

.1303PNK/BLK

507

&06&E52

ENDGATE0.35

8A-129A

SIDE CONTACT PLATES

007164

k33133asheet1schematic $IVEDWORK/k33133a__007

9:20:18 am

Thursday, August 8, 200203 X

RRWPR_PRK

GATE_AJAR

RH Side1-Page

1450 RGATE_GNDLGATE_GND14501450 LGLASS_GND

Theft Deterrent Content

K33133a_007_02

D-192PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

CRUISE

ETC044-3VSES

POA STEERING COLUMN

152-1

034-1

021-2

110-3BTSI

KEY/TOW

EXT LGT

PART# PAGE 8A-

SWCHDLP 100-2

133-3

138-1

Panel Set: 3

keyin_towhall 004STRG Col Asm - Keyin/Towhall Sw

UPC FNA

15417597

B25 B5

TBCJ4-A1251A/B-1

KEYIN(WUFR)

Turn/Haz Sw8/7-Page 8A-110A/B

EXTERIOR LIGHTING

50

BLU LT553.

TWP0.35IP

7

J3-B11

TRANS(DI)

TBC

251A/B-3

7

IP0.35 TWP

.80GRN LT

50

007164

k33133asheet1schematic $IVEDWORK/k33133a__007

9:20:18 am

Thursday, August 8, 200203 XCK EAU

THEFT DETERRENT CONTENT1 CKMC03PROD

3

KEY_TOW_GND1851

TOWHALL_SWTBC_KEYIN

Theft Deterrent Content

K33133a_007_03

D-193PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISION ORGANIZATION

584

ENG

IP

BTSIB

A 10A

275

030-1

PART#POA NSBU SW

110-8

START020-11

PAGE 8A-

152-1

021-2

PASSLOCK

138-1BTSI

138-1BTSI

045-1HIRES

PART#

ECM/PCM

ETC

010-10020-7

PAGE 8A-

CRUISE

STEERWHL

034-1HORN 040-1

POA STEERING COLUMN

133-1

WIPER

PART#BTSISTOP

138-1110-2

PAGE 8A-POA ZAB SW

TCC 044-2

PART#BTSISTOP

138-1110-2

PAGE 8A-POA ZAB SW

-JF4JF4

JF4 -JF4

IGNSWECM

091-1HDLP 100-2TRNHAZ

Panel Set: 1

7

&JF4

IP0.35

IP

-JF4

750

GRN DK/WHT1135.

TWP

IP

15336209

D

0.35 TWP

.1135GRN DK/WHT

50

18M GT MXDA9

12F GT 150/280BRKCLTCH

15336205

D

12M GT 150/280

BRKCLTCH

1530469218F GT MXD

A9IP

15336468

0.35IP

&JF4

750

GRN LT/BLK584.

TWP

12M GT 150/280IP

15336209

E

7

-JF4

IP0.35 TWP

.584GRN LT/BLK

50

BRKCLTCH

1533620512F GT 150/280

E18F GT MXD

A7

18M GT MXDIP

15336468

A7

507

-JF4

BRKCLTCH0.35 TWP

.1135GRN DK/WHT

BRKCLTCH

15304692

50

GRN DK/WHT1135.

TWP0.35BRKCLTCH

&JF4

7

UPC FNA

12040551

001

E

BTSIPOLE

F

TWP

.584GRN LT/BLK

507

&JF4

BRKCLTCH0.35 0.35

BRKCLTCH

-JF4

7

002

12040551

FNAUPC

btsi_pole_sw2Zab Sw Asm-BTSI (W/JF4)

A

POLEBTSI

B

Zab Sw Asm-BTSI (W/O JF4)btsi_pole_sw1

50

GRN LT/BLK584.

TWP

&M30/M32/M74/MN8/MT1

750

GRN LT275.

TXL0.8ENG

-1Backup Lamps

BACKUP LAMPS

112a8A-Page

1219390612193905

FNAUPC001ubec_275

Blk Asm - Ubec BTSI

J1-A8

J2-D3

NSBU-Reverse Swnsbu_park_accUPC FNA

001

J2-12129840PARKACC

J2-B

STRG Col Asm - Solenoid - BTSIeau_btsi_solUPC FNA

15417597

003

B30

B8

CKMC031BRAKE TRANS SHIFT INTERLOCK-BTSICK EAU X03

Tuesday, April 2, 2002

3:26:35 pm

$IVEDWORK/k33138a__006schematic sheet1

k33138a95

006

1050 Splice (Mbec)7-Page 8A-14A

1

PROD

1050 BTSI_GND

BTSI_PWR

GND DIST

Brake Trans Shift Interlock (BTSI)

K33138a_006_01

D-194PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

DRIVER SEAT

EAP MOTOR

NYS = QS4

140-3

PART#

RPO LEGEND

EAP SNSRPAGE 8A-

JF4 = EAP

Panel Set: 1

&03/43/53

06/36/43

KUP = ETCPOA EAP SENSOR

UT

&AG2

03/53

AG2 = POWER SEAT

140-1

PU

AN3 = MEMORY SEAT

TWP

2-Page 8A-55A

Serial Data LinkClass 2

0.35BODY

&06/36&AG2

750

BRN/WHT1048.

B3

0.5 TWP

.5289PNK

507

&06/36&AG2

BODY

BRKCLTCH18F GT MXD15304692

B7

010361

k33140asheet1schematic $IVEDWORK/k33140a__010

2:19:26 pm

Wednesday, July 31, 200203 XCK EAU

SEATS (DRIVER & PASSENGER)1 CKMC03PROD

1

A2

50

WHT5287.

A1

TWP2.0

TWP0.5BODY

&06/36&AG2

7

BODY

&AG2

1950

BLU DK2479.

A2

GND DIST

14A8A-Page -12Gnd Zone #12

0.5IP

&JF4

750

PNK5289.

TXL

&JF4

750

WHT5287.

TWP0.5

B2

B2

BRKCLTCH

BODY22M GT MXD15317322

B4

1Class 2

Serial Data Link

55A8A-Page -8A-Page -1

0.5IP

&JF4

750

BRN/WHT5288.

TXL

Drv Seat BeltSIR

47A/B

15409439

004

1

23

Blk Asm EAP - Sensoreap_snsrUPC FNA

IP22F GT MXD15317325

B4

50

PNK5289.

TWP0.5BRKCLTCH

&JF4

7

Gnd Zone #1113-Page 8A-14A

BRN/WHT50

7

&JF4

BRKCLTCH

GND DIST

A1

0.5 TWP

.5288

0.5 TWP

.5288BRN/WHT

507

&06/36&AG2

BODY

SIRSdm-GF Module

2-Page 8A-47A/B

15336468B7 IP

18M GT MXD

.2433BLU LT

507

&AG2

BODYBLK

1150.

TWP3.0

0.8 TWP

BODY

&06/36/43&AG1

1950

B3

50

BLU DK1363.

TWP0.35

J1-P

FEED

J1-R

RTN

GND

J1-S

DSM

BODY7

J1-H

SUPPLYPASS HEAT

RTNDSPS

J1-J J1-D

CL2DSM

FDBELT SWDRV SEAT

J1-E

PWRDSPS

J1-F

RETURNPASS BACK

J1-G

SIG

J1-C

&JF4

IP0.5 TXL

.5287WHT

507

47A/B8A-Page -2Sdm-GF Module

SIR

DSM_CL2_UTDSM_CL2_PU1048

PASS_BRTN

(Page 5)

DSM_GND11250 DSM_GND2

(Page 4)

PASS_HSUP

238SBELT_RTN

(Page 4)

PSBELT

1363

DPOS_SNSR5055 DRV_SBELT

Seats (Driver and Passenger)

K33140a_010_01

D-195PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

DRIVER SEAT

Panel Set: 2

&06/36 &06/36&AG1

NOTE: CONN# ON SEAT SIDE = 15305132

Sdm1-Page 8A-47A

SIR(SDM & AOS)Seats (Mbec_642)

11/8-Page 8A-10A/B

POWER DIST

0.5 TWP

.5475BLU DK

507

&AG2

BODY

30A

SIR(SDM & AOS)

47A8A-Page -1Sdm

BODY

&AG2

750

BLU LT5476.

TWP0.5

2

PROD CKMC031SEATS (DRIVER & PASSENGER)CK EAU X03

Wednesday, July 31, 2002

2:19:26 pm

$IVEDWORK/k33140a__010schematic sheet1k33140a

361

010

0.8 TWP

.2480PNK

507

&AG2

BODY

LSBAGH

J2-A

LSBAGL

J2-B

SENS RTNPASS HEAT

J1-K J1-L

PASS HEATSENS

Driver Seat Moduledriver_seat

UPCFNA004

J1- 15305133J2- 12110288

VBATT2

J1-A

RETURNPASS CUSHION

J1-B

DRV_ROOFH2105 2106 DRV_ROOFL

PASS_HSENS

(Page 4)

PASS_CRTN

(Page 5)(Page 5)

PASS_HSRTN

DSM_BAT1440

Seats (Driver and Passenger)

K33140a_010_02

D-196PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

PAGE 8A- PIN 2

GNDAWAY FROM DRIVER

Panel Set: 3

PIN 3

TOWARD DRIVER

140-2EAP MOTOR

EAP MOTOR PIN-OUT CHART

(AFT)EAP SNSR 140-1PART#POA EAP

(FWD)PEDALMOVEMENT

GND+12V

+12V

&JF4

7

&JF4

LFDOORSA5499

B

0.5 TWP

.5499BLU LT

50

C

B C IPA

12129490Conn 3M M/P 280LFDOORA

12129489Conn 3F M/P 280

1530469218F GT MXDBRKCLTCHB9

BLU LT50

7

&JF4

LFDOOR0.5 TWP

.5499

MBlk Asm EAP - Motoreap_mtrUPC FNA 15409439

004

4

5

IPB81533646818M GT MXD

ORN/BLK50

7

&JF4

BRKCLTCH1.0 TWP

.5285

7

&JF4

BRKCLTCH

5499

DDM

LSDEAP

J2-24

254A-1

1.0 TWP

.BLU LT

50

J2-26

254A-1

DDM

&JF4

750

PPL5130.

TWP0.35LFDOOR

FWDEAP

BRKCLTCH

&JF4

750

PPL5286.

TWP1.0

BRKCLTCHB81530469218F GT MXD

B6

B6 BRKCLTCH18F GT MXD15304692

A4IP18M GT MXD15336468

A4

C

D E

F

12059561

FNAUPC

Eap-Relay (relay - 12088519)001eap_relay

A

B

1533646818M GT MXDIPB9

5499.

TWP0.5

DDM

LSDEAP

J2-25

254A-1

LFDOOR

&JF4

750

BLU LT

.5130PPL

507

&JF4

IP

BRKCLTCH

0.5 TWP

5130.

TWP0.5 0.5 TWP

.5129YEL

507

&JF4

BRKCLTCH

&JF4

750

PPL

3

PROD CKMC031SEATS (DRIVER & PASSENGER)CK EAU X03

Wednesday, July 31, 2002

2:19:26 pm

$IVEDWORK/k33140a__010schematic sheet1

k33140a361

010

7

&JF4

LFDOOR0.35 TWP

7

&JF4

BRKCLTCH

.5129YEL

50

1.0 TWP

.3940ORN

50

254A-1

J2-1

EAPAFT

DDM

IP

&JF4

750

YEL5129.

TWP0.5

-Page 8A-10A/B

POWER DIST

15A

EAP Fuse (Ubec)8/6

IP

&JF4

750

BLU LT5499.

TWP1.0

EAP_RTN2EAP_RTN1 EAP_AFTEAP_FWD

3940 EAPRLY_PWR

Seats (Driver and Passenger)

K33140a_010_03

D-197PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

PASSENGER SEAT

Panel Set: 4

&AG2-36

W/36W/O 36

SIR (SDM)-PICKUP

47B8A-Page -3SDM-GF

SIR (SDM)-PICKUP

4

PROD CKMC031SEATS (DRIVER & PASSENGER)CK EAU X03

Wednesday, July 31, 2002

2:19:26 pm

$IVEDWORK/k33140a__010schematic sheet1

k33140a361

010

SDM-GF3-Page 8A- 47B

SIR

47A/B8A-Page -2 1/3-Page 8A-47A/B

SIRPass Seat Belt SwSdm-GF Module

0.35 TWP

.1363BLU DK

507

&AL0

BODY

GND DISTGnd Zone #12

12-Page 8A-14A

DISABLEPSIR

J3-B

GND1 GND2

J1-S

ENABLEPSIR

J3-A

J1-F

PASS SEATPOSITION SNSRPWR

J1-G

HEATSENS RTN

J1-H

HEATSUPPLY RTN

J1-J

PASS SEATPOSITION SNSR

J1-D

BLANK

J1-E

PASS SEATBELT SWFEED

50

BLK1250.

TWP3.0BODY

&AG2-36

19

14A8A-Page -12Gnd Zone #12

GND DIST

PSIR_DIS PSIR_ENA371

(Page 2)

PASS_HSENS

5475

353

2479

PASS_HSUP

(Page 1)

PSM_GND21250

PPOS_SNSR5056 1362 PASS_SBELTPSM_GND1(Page 1)

PSBELT

Seats (Driver and Passenger)

K33140a_010_04

D-198PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

PASSENGER SEAT

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

&AL0&AL0

NOTE: CONN# ON SEAT SIDE = 15305132

Panel Set: 5

&AL0

&AL0

&AL0 &AL0&AL0

&AL0

10A/B

POWER DIST

30A

Seats (Mbec_642)11/8-Page 8A-

14A8A-Page -9Gnd Zone #23

GND DIST

SIR(SDM & AOS)

Sdm & AosSIR

47A/B8A-Page -1

-Page 8A-148A/B

POWER ISRV MIRRORSdm

1-Page 8A-47AMbec_1139

1

POWER ISRV MIRROR

148B8A-Page -1Isrv Indicator

SIR(SDM & AOS)

47A8A-Page -1Sdm

GND

J1-R

PASS HEATSENS

RSBAGH

J2-A J2-B

RSBAGL

AOSDATA

AOSON

J1-L J1-M

AOSOFF

J1-N

AOSFD

J1-P

AOS

J1-K

VBATT2RETURN

J1-B

PASS CUSHION

RETURNPASS BACK

J1-C

12110288J2-15305133J1-

passenger_seat 006FNA UPC

Passenger Seat Module

J3-15332129

J1-A

-Page 8A-148B

POWER ISRV MIRRORIsrv Indicator

1

010361

k33140asheet1schematic $IVEDWORK/k33140a__010

2:19:26 pm

Wednesday, July 31, 200203 XCK EAU

SEATS (DRIVER & PASSENGER)1 CKMC03PROD

5

(Page 2)

PASS_CRTN

2480

(Page 1)

PASS_BRTN

2433

AOS_OFF AOS_FD1139 PASS_ROOFH2103 2104 PASS_ROOFL

5476

PASS_HSRTN

(Page 1)

PSM_BAT1440

AOS_GND2351 AOS_DATA2306

AOS_ON2307 2308

Seats (Driver and Passenger)

K33140a_010_05

D-199PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

12064752

F

RE

AR

VE

RT

J2-7

AN3 DRIVER SEAT

DSM

J3-26

CLASS 2

J4-20

ME

M S

EN

SO

R

TO

RS

O B

OL

ST

ER

B

15369265

SN

SR

RT

N

FR

T V

ER

T

HO

RIZ

ON

TA

L

SN

SR

PO

S

B

A

PW

R

SN

SR

RT

N

SN

SR

PO

S

J4-14J4-3

SEAT BELT SW

ME

M S

EN

SO

R

SN

SR

RT

N

A

SW1

SN

SR

PO

S

SN

SR

RT

N

SN

SR

PO

S

ME

M S

EN

SO

R

SN

SR

RT

N

HO

RIZ

LU

M

SEAT POSITION SENSOR

ME

M S

EN

SO

R

J3-18J4-9

J4-4

(Page 7)

12052854

C

LU

MB

AR LUMBAR / BOLSTER SW

AF

TL

UM

BA

R INB

OL

ST

ER

N/C

J4-16J4-8

J4-5J3-12 J4-6J3-25

OU

TB

OL

ST

ER

FW

D

RE

CL

INE

SN

SR

PO

S

SN

SR

RT

NCLASS 2

SE

AT

BA

CK

HE

AT

SE

NS

OR

J3-5

ME

MO

RY

SE

NS

OR

SN

SR

PO

S

GND

ME

M S

EN

SO

RJ4-17

J3-4 J3-17

B G

J4-1 J2-8 J3-13

E A

J1-R

GND

J1-S

NOTE: CONN# ON SEAT SIDE = 15305132NOTE: THIS PAGE IS FOR REFERENCE ONLY

PWR

J1-F

PASSBACK

FEEDSW

J1-G

SUPPLYHEATPASS

RTN

J1-J

SENSFEED

J1-P

Panel Set: 6

POS

CLASS-2

J1-E

RTN

J1-H J1-K

SENSHEATPASS

DSPSEAP

RTN

EAPSENS

J1-C

EAP

J1-D

k33140asheet1schematic $IVEDWORK/k33140a__010

2:19:26 pm

Wednesday, July 31, 200203 XCK EAU

SEATS (DRIVER & PASSENGER)1 CKMC03PROD

6

010361

Seats (Driver and Passenger)

K33140a_010_06

D-200PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

M

J3-10

L

J3-22

FRONT VERTICAL

C

J3-21

EK

J3-9

J

J3-19

B

J3-6

A

M

N/C

PW

R

RE

C D

N

RR

DN

FR

T D

N

AF

T

FW

D

SEAT CUSHIONHEATER

RECLINE

J3-8

D

J3-23

M

M

8-WAY SEAT SW

FR

T U

P

RR

UP

RE

C U

P

F

J2-4

VBATT

REAR VERTICALSEAT MOTOR

HORIZONTAL

DSM

MHEATERSEAT BACK

SEAT MOTOR

SHORTING BARS

SEAT SIR

J1-4J1-3J1-2

HORIZONTALSEAT MOTOR

J1-1 J1-8J2-5

J3-24 J2-1

J4-13 J3-1

LUMBAR MOTOR

J1-7J1-6J1-5J4-12 J4-22 J2-9 J2-10

MOTOR

AN3 DRIVER SEAT (CONT.)

PE062625

J4-2

SW1

(Page 6)

SEAT MOTOR

M

TORSO BOLSTER

M

J4-19

SHORTING BARS

J4-AMP 174515J3-AMP 174516J2-YAZAKI 7283-5625-40J1-YAZAKI 7283-5560-40

J1-L J2-A J2-B

NOTE: THIS PAGE IS FOR REFERENCE ONLY NOTE: CONN# ON SEAT SIDE = 15305132

SENSHEAT

FNA

Panel Set: 7

drv_seat_luxDriver Seat Mdl

J1-15305133

CUSHPASS

002UPC

J2-12110288

VBATT

J1-AJ1-B

RTN

PASS

010361

k33140asheet1schematic $IVEDWORK/k33140a__010

2:19:26 pm

Wednesday, July 31, 200203 XCK EAU

SEATS (DRIVER & PASSENGER)1 CKMC03PROD

7

Seats (Driver and Passenger)

K33140a_010_07

D-201PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

M

PSIRDISABLE

11 10

GN

D

PW

R

12052854

M

K J F E

FR

T U

P

RR

UP

RE

C U

P

LU

MB

AR

AN3 PASSENGER SEAT

F E

HORIZONTALLUMBAR MOTOR

UPCaos_moduleAOS MODULE

AOS MODULE

PE062625

M

TORSO BOLSTERMOTOR

SHORTING BARS

SEAT POSITION SENSOR

185 9

M

2

RC09-01-5099

FNA

GND PWRDISPLAY OFFSTATUS15369265

B

A

SEAT BELT SW

12064752

B

A

HORIZONTALSEAT MOTOR

M

FRONT VERTICALSEAT MOTOR

M

REAR VERTICALSEAT MOTOR

PSIRENABLE

FR

T D

N

AF

T

FW

D

A D C B H G

RE

C D

N

RR

DN

BO

LS

TE

R

FW

D

RECLINESEAT MOTOR

SENSOR

BLADDER/

DISPLAY ONSTATUS

PRESSURE

B G AC

LU

MB

AR

LUMBAR / BOLSTER SW

AF

T

INBO

LS

TE

R

OU

T

SHORTING BARS

SEAT SIR

RTN

4C

14B

16A

BTSSIGNAL

BTSRTN

BTSVREF

SEATBELTTENSIONSENSOR 12110293

DATASERIAL

SEAT BACKHEATER

SEAT CUSHIONHEATER

HEAT SENSORSEAT BACK

8-WAY SEAT SW

GN

D

PW

R

1

ASM

6 15

B

7

C A

12059595

PSSIGNAL

PSVREF

PS

PASS

J1-S

J2-A J2-B

PWRDSPS HEAT

PASS

J3 ON SEAT SIDE = 12047663

12110288J2-GNDSEAT

pass_seat_lux 002

Panel Set: 8

NOTE: THIS PAGE IS FOR REFERENCE ONLY

J1-G

SENS

J1-MJ1-H

GND

J1-P

HEATSENSRTN

J1-R J1-L

ON

15305133J1-

ENAPSIR

NOTE: J1 ON SEAT SIDE = 15305132

UPC

RTN

J1-C

SWFEED

J1-EJ1-F

J1-A

SUPPLYHEATPASS

J1-J

RTN

FNA

J1-N

PWRAOS

CLEANAOS

12047662J3-AOSPSIR AOS

DATA

J1-KJ3-AJ3-B

DIS

Passenger Seat

PASSCUSHIONRTN

J1-B

PASSBACK

PWRSEAT

OFFAOS

PROD8

010361

k33140asheet1schematic $IVEDWORK/k33140a__010

2:19:26 pm

Wednesday, July 31, 200203 XCK EAU

SEATS (DRIVER & PASSENGER)1 CKMC03

Seats (Driver and Passenger)

K33140a_010_08

D-202PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

AG

2 D

RIV

ER

SE

AT

6-WAY SEAT SW

SHORTING BARS

SEAT SIR

SHORTING BARS

RR

UP

FR

T U

P

FW

D

AF

T

FR

T D

N

RR

DN

PW

R

GN

D

SEAT POSITION SENSOR

SEAT MOTORHORIZONTAL

M

SEAT MOTORREAR VERTICAL

M

SEAT MOTORFRONT VERTICAL

M

A

12064752

BB

A

SEAT BELT SW

15369265

J1-F

NOTE: THIS PAGE IS FOR REFERENCE ONLY

J2-FEED

J2-B

J1-E

15305133

UPC

SEATRTN

PWR

12110288

NOTE: CONN# ON SEAT SIDE = 15305132

J1-A

SEAT

J1-J

drv_seat_pwr 002

DSPS

Panel Set: 9

SW

Driver Seat

J1-

FNA

J1-S

GNDPWR

J2-A

010361

k33140asheet1schematic $IVEDWORK/k33140a__010

2:19:26 pm

Wednesday, July 31, 200203 XCK EAU

SEATS (DRIVER & PASSENGER)1 CKMC03PROD

9

Seats (Driver and Passenger)

K33140a_010_09

D-203PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

BLADDER/PRESSURESENSORASM

6 15

B

7

C A

12059595

PSSIGNAL

PSVREF

PSRTN

4C

14B

16A

BTSSIGNAL

BTSRTN

BTSVREF

SEATBELTTENSIONSENSOR 12110293

GN

D

PW

R

DISPLAY ONSTATUS

M

HORIZONTALSEAT MOTOR

M

FRONT VERTICAL

FR

T D

N

AF

T

FW

D

AG

2 P

AS

SE

NG

ER

SE

AT

FR

T U

P

RR

UP

SHORTING BARS

SEAT SIR

SHORTING BARS

SEAT POSITION SENSOR

DATASERIAL

GND PWRDISPLAY OFFSTATUS15369265

B

A

SEAT BELT SW

12064752

B

A

RR

DN

6-WAY SEAT SW

185 91 2

RC09-01-5099

FNAUPCaos_moduleAOS MODULE

AOS MODULE

M

SEAT MOTOR SEAT MOTORREAR VERTICAL

DATA

J1-K

RTN

Passenger Seat

UPCFNA

OFF

J1-M

PWR

J1-E

FEEDSW

NOTE: THIS PAGE IS FOR REFERENCE ONLY

J1-J

ONAOS AOS

J1-L

AOSDSPSPWR

J1-F

Panel Set: 10

PWR

J1-P

GNDAOSCLEAN

SEAT

J1-A

SEAT002pass_seat_pwr

J1-AOS

J1-N

GND

J1-S

J2-A J2-B

J2- 12110288

NOTE: CONN# ON SEAT SIDE = 15305132

15305133

03 XCK EAU

SEATS (DRIVER & PASSENGER)1 CKMC03PROD

10

010361

k33140asheet1schematic $IVEDWORK/k33140a__010

2:19:26 pm

Wednesday, July 31, 2002

Seats (Driver and Passenger)

K33140a_010_10

D-204PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

12092075

30A

Minifuse

A

B12092075

30A 12088592

3085

86 87

Relay Asm-SPSTUPC FNA

Minifuse

A

B12092075

30A

Minifuse

A

B12092075

30A 12088592

3085

86 87

Relay Asm-SPSTUPC FNA

Minifuse

A

B

Panel Set: 1

A

0.5 TWP

.243YEL

507

FUSEBLKJPR PNK50

19

FUSEBLKJPR

Blunt CutA

Blunt Cut

1950

PNK1639.

TWP3.0 3.0 TWP

.1739

SA050

Blunt CutA

Blunt CutA

FUSEBLKJPR

Loop Anchor

LA50

Blunt CutA

Blunt CutA

5019

FUSEBLKJPR

SA840 SA740

1950

ORN740.

TWP3.0

3.0 TWP

.740ORN

3.0 TWP

.740ORN

5019

FUSEBLKJPR

FUSEBLKJPRTWP0.5

3.0 TWP

.840ORN

5019

FUSEBLKJPR

ORN50

19

FUSEBLKJPR FUSEBLKJPR7

50

BLK50.

FUSEBLKJPR19

50

ORN840.

TWP3.0

3.0 TWP

.840

0.5

0.5 TWP

.50BLK

507

FUSEBLKJPR

19

FUSEBLKJPR

FUSEBLKJPR7

50

BLK50.

TWP1950

BLK50.

TWP3.0

3.0 TWP

.50BLK

503.0 TWP

.50BLK

5019

FUSEBLKJPR

FUSEBLKJPR

C9 D8

D9

FUSEBLKJPR19

50

BLK50.

TWP3.0

B8

B9C1

C3

C5

C7C8

seo_radio 001Relay Fuse Center

UPC FNA

12160504

A8A9

B1

B3

B5

B7

LA243

FUSEBLKJPR7

50

YEL243.

TWP0.5

-Page 8A-30A/B

STARTING AND CHARGING

1

PROD CKMC031MOBILE RADIOCK EAU X03 &9L4

Thursday, January 3, 2002

5:00:27 pm

$IVEDWORK/k33155a__002schematic sheet1

k33155a27

002

Loop Anchor

ACSRYJPR19

50

BLK50.

TXL5.0

Primary Battery2/2

12052613

ABRKCLTCH2M M/P 48012065863

A

TWP

.50BLK

5019

BRKCLTCH

ACSRYJPR2F M/P 480

BRKCLTCHA

120658632M M/P 480BRKCLTCHB

5.0

.50BLK

5019

FUSEBLKJPR

120156644F M/P 630

-Page 8A-10A/B

POWER DIST

125A

Ring Term - Meg Fuse 1252/1

5.0 TWP

4M M/P 63012052623

C

18/15Mbec 4540

10A

POWER DIST

10A/B8A-Page -

0.5

BRKCLTCH4F M/P 63012015664

CFUSEBLKJPR

FUSEBLKJPR7

50

YEL243.

TWP

2F M/P 480ACSRYJPRB

120526234M M/P 630FUSEBLKJPRA

120526234M M/P 630FUSEBLKJPRD

12052613

5019

FUSEBLKJPR

120156644F M/P 630BRKCLTCHD

2.

TWP5.0

SC002

5.0 TWP

.2RED

.2RED

5019

FUSEBLKJPR FUSEBLKJPR19

50

RED

BRKCLTCH19

50

RED2.

TWP5.0

5.0 TWP

SEORLY_GND SEORLY_PWR243 MOBRADIO_PWR

5.0 TXL

.2RED

5019

ACSRYJPR

Mobile Radio

K33155a_002_01

D-205PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

FBINADV (WUF)

TBC 2.2 (BASE)

TBC (GND)VMON (A/D)

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

SPLS01 (LSD) SPLS02 (LSD) SPLS03 (LSD) SPLS04 (LSD)

Panel Set: 1

CTSY (HSD)

ACCY (WUR)RUN/CRANK (DI) LOCK SW (WUF) LFDOOR (WUFR)

VBATT2B

INADV(HSD)

DRVR DRUNLK (LSD)

BULMP (HSD) RDEFOG/CUNLK (LSD)

VBATT2C

KEYIN (WUFR)

J5-D

J5-EJ5-F

J4-B10J4-B3 J4-B4J4-B5J4-A3 J4-A4 J4-A5J3-B6 J4-A1

J3-B3 J3-A2

J2-B6

J2-B9 J2-B10 J2-A6J2-A7J2-A8 J2-A9

J1-FJ2-A12

J2-A3

J1-C

J1-D

RFDOOR(WUFR)

DR LOCKRLY (LSD)

VBATT2A

HORN (LSD)

VBATT1 GND2

00484

k33251asheet1schematic $IVEDWORK/k33251a__004

9:06:54 am

Wednesday, April 25, 200103 XCK EAU

TBC 2.2 BASE (W/O DDM/PDM)1 CKMC03BETA2

1

UNLOCKIGN0 (WUR)

RLY (LSD)DR UNLK

UNLK SW (WUF)

GND1

RFDR_AJAR

746

690

TBC_CTSYLP

1732

TBC_INADV

TBC_VBAT1

1140 745

LFDR_AJAR

195

TBC_LKSW1

194

TBC_UNLKSW1TBC_GND1

1851

TBC_KEYIN

8043

TBC_ACCY

39

TBC_IGN1

530

TBC_IGN0

1391

DRV_UNLOCKTBC_RDFOG

19328

TBC_HORN

244

DRLOCK_RLYDRUNLK_RLY

245

1851

TBC_GND2

TBC_BULP

24

4040

TBC_VBAT2CTBC_VBAT2B

2240

TBC_VBAT2A

2140

Truck Body Computer 2.2 (TBC): Base (w/o DDM/PDM)

K33251a_004_01

D-206PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

IGN1

LSD

TBC 2.2 (BASE)LSD

DISABLE

IGN1

FBSWP (A/D)DISABLE

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

SPAI2 (A/D)

Panel Set: 2

FFGLMP (DI) RFGLMP (DI)CAJAR (WUFR) PL REQ (WUF) HLREQ (DI)CALMPTT (WUF)

J6-A3 J6-A1 J6-A2 J4-A6 J3-B4J4-A12 J3-A9 J3-B10J3-B2 J3-A11J3-A8

J2-B2 J2-A4

J2-A2

RRDOOR(WUFR) AHLDIS (DI)

SWP (HSD)

LOWB (LSD)

INTLMPD (DI)LR/RDOOR (WUFR)

PARK (LSD)

2

BETA2 CKMC031TBC 2.2 BASE (W/O DDM/PDM)CK EAU X03

Wednesday, April 25, 2001

9:06:54 am

$IVEDWORK/k33251a__004schematic sheet1

k33251a84

004

1303

TBC_CLPSW

149

LRDR_AJAR

747 748

RRDR_AJAR DRL_DFT

588

TBC_SWP

1796

TBC_CAJAR

187

TBC_RFOGSWTBC_FFOGSW

192

TBC_INTLMPD

328103

TBC_HDLPTBC_PRKLP

308

1970

TBC_LOWBMPRKLP_RLY

1080

Truck Body Computer 2.2 (TBC): Base (w/o DDM/PDM)

K33251a_004_02

D-207PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

POT REF

TBC 2.2 (BASE)FBPOTREF (A/D)

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

SP5VREF

Panel Set: 3

PARKBR (DI)

CONTDIM1 (HSD) RAP (HSD)HIGH BEAM (LSD)

BACKDIM2 (HSD)BACKDIM1 (HSD)

CLON (WUF)

POTRTN

TRANS (DI)

J4-B9 J4-A8J4-B6 J4-B7J4-A2 J4-A7J3-B8 J3-B9 J3-B11 J3-A4

J2-B5 J2-B8

J3-A1 J2-B11

J2-B3J2-B4 J2-A5J2-B1 J1-E J1-A J1-B

HLON (LSD)

BACKUP (DI)

DRL (LSD) FFOG/HZD (LSD)

HBEAMSEL (DI)FTP (WUF)DIM POT (A/D)

5V REF

TBC 2.2 BASE (W/O DDM/PDM)CK EAU X03

Wednesday, April 25, 2001

9:06:54 am

$IVEDWORK/k33251a__004schematic sheet1

k33251a84

0043

BETA2 CKMC031

RFOG/INT CTG (LSD)

LIGHT (A/D)

SNSRTN

2353

TBC_BKLT2 TBC_CTLDIM

1382 1353

TBC_SNRF

TBC_POTREF

1056 1134

PRK_BRKSW

1495

TBC_CTSYSW

2090

TBC_DIMPOTTBC_POTRTN

2226 279

TBC_SNSRTNTBC_AMBLT

278

1317

TBC_FFOGLP

1524

TBC_BUSWTOWHALL_SW

55311

TBC_HIBMSELTBC_FTP

307

1977

TBC_DRLOFF

592

TBC_DRLRLYTBC_HIBM

1969

TBC_BKLT1

230

TBC_HDLPON

1348

Truck Body Computer 2.2 (TBC): Base (w/o DDM/PDM)

K33251a_004_03

D-208PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

FBISGND

TBC 2.2 (BASE)

FBPLPWR

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

WIPERACTIVE

ISGND (LSD)

Panel Set: 4

FRONTPLPWR

CLASS2-1 (WUR)

J3-B7 J3-B1J3-B12 J3-A10J3-A6 J2-B7 J2-B12J2-A11

12177194

12160778

FNAUPCtbc_base_mdlTruck Body Controller

1211020612177195

J1-J2-J3-J4-

J6-12191375J5-

12110088

003PLRTN

HDWHL (A/D)PLDAT (A/D) CLASS2-2 (WUR)

0044

BETA2 CKMC031TBC 2.2 BASE (W/O DDM/PDM)CK EAU X03

Wednesday, April 25, 2001

9:06:54 am

$IVEDWORK/k33251a__004schematic sheet1

k33251a84

1835

PASS_LKRTNPASS_LKDATA

1836 1037

TBC_CL2TBC_HDWHL

1059

PASS_LKPWR

812

TBC_ENG

710

Truck Body Computer 2.2 (TBC): Base (w/o DDM/PDM)

K33251a_004_04

D-209PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

TBC 2.2 (UPLEVEL)

TBC (GND)VMON (A/D)

FBINADV (WUF)

INADV (HSD)

PSOUND

Panel Set: 1

UNLKSWR (WUF)

(LSD)SPLSO2

(LSD)SPLSO4SPLSO3

(LSD) (LSD)

LOCKSWR (WUF)

VBATT2VBATT1

REAR DOORLK RLY (LSD)CTSY (HSD)BULMP(HSD)

J6-B1J6-B2 J6-B3J5-D

J5-EJ5-F

J4-B3 J4-A1J4-A3 J4-A4

J3-B3

J3-B6

J3-A2J2-B9

J2-B6

J2-A6J2-A8 J2-B10

J1-F

J2-A10

J2-A12

J2-A3

J1-C

J1-D

CK EAU

TBC 2.2 UPLEVEL (W/ DDM/PDM)

VBATT2B GND2

1 CKMC03BETA21 Friday, March 8, 2002

004114

k33251bsheet1schematic $IVEDWORK/k33251b__004

7:53:31 am

03 X

RDEFOG/CUNLK (LSD)HORN (LSD)

RPACK (DI)RUN/CRANK (DI)

REAR DOORUNLK RLY (LSD)

UNLOCKIGN0 (WUR)

GND1VBATT2C

KEYIN (WUFR)ACCY (WUR)

TBC_INADV

1732

TBC_VBAT2C

4040

RRDR_UNLKRLY

254

TBC_VBAT1

1140

TBC_VBAT2B

2240

TBC_RDFOG

193 255

RRDR_LKRLY

28

TBC_HORN

TBC_GND1

1851 1851

TBC_GND2

39

TBC_IGN1TBC_IGN0530

TBC_KEYIN

80

TBC_BULP

24

TBC_CTSYLP

690

TBC_VBAT2A

2140

TBC_ACCY

43

TBC_RPA

2380

Truck Body Computer 2.2 (TBC): Uplevel (w/ DDM/PDM)

K33251b_004_01

D-210PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

LSD

DISABLE

TBC 2.2 (UPLEVEL)LSD

IGN1

DISABLEFBSWP (A/D)

IGN1

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 2

SPAI2 (A/D) RRWIN (A/D)

INCLINATIONSENSOR

PARK (LSD)LRDWN(LSD)

CALMPTT (WUFR)

SWP (HSD)

RRDOOR(WUFR)

J6-B7J6-B8

J6-A1 J6-A2J6-A3

J6-A5J6-A6 J6-A7 J6-A8

J4-A6

J4-A11

J4-A12 J3-B4 J3-A9 J3-B10J3-B2 J3-A12J3-A7 J3-A8 J3-A11

J2-B2

J2-A2

J2-A4

RRDWN(LSD)(LSD)

LRUP

CAJAR (WUFR) PL REQ (WUF) FFGLMP (DI)LR/RDOOR (WUFR)

LRPWR (HSD)

SWC (A/D)

RRPWR (HSD)(LSD)

Friday, March 8, 20022

BETA2 CKMC031TBC 2.2 UPLEVEL (W/ DDM/PDM)CK EAU X03

7:53:31 am

$IVEDWORK/k33251b__004schematic sheet1

k33251b114

004

RRUP

AHLDIS (DI) INTLMPD (DI)

LOWB (LSD)

HLREQ (DI) RFGLMP (DI)

TBC_HDLP

748

RRDR_AJAR

308

TBC_PRKLP

103

TBC_LOWBM

1970

1796

TBC_SWP

1080

PRKLP_RLY

TBC_INTLMPD

328187

TBC_RFOGSWTBC_FFOGSW

192

DRL_DFT

5881011

TBC_SWC TBC_CLPSW

149

TBC_CAJAR

1303

1185

LRWDO_UP LRWDO_DWN

1187 1188

RRWDO_DWNRRWDO_UP

1186

TBC_RRWDO

2266 2265

TBC_LRWDO

LRDR_AJAR

747

Truck Body Computer 2.2 (TBC): Uplevel (w/ DDM/PDM)

K33251b_004_02

D-211PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

TBC 2.2 (UPLEVEL)

POTREF

FBPOTREF (A/D)

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

Panel Set: 3

SP5VREF

DRL (LSD)

LIGHT (DI)

J4-B6 J4-B7J4-B9 J4-A7J4-A8J3-B9J4-A2J3-B8 J3-B11 J3-A4

J2-B8

J3-A1

J2-B3J2-B4 J2-B5J2-A5J2-B1

J2-B11

J1-A J1-BJ1-E

RAP (HSD)FFOG/HZD (LSD)

CLON (WUF)

BACKDIM2 (HSD)

POTRTN

RFOG/INT LTG (LSD)

BACKUP (DI)DIMPOT (A/D)

SNSRTN

BACKDIM1 (HSD)

TRANS (DI)HBEAMSEL (DI)

BETA2 CKMC031TBC 2.2 UPLEVEL (W/ DDM/PDM)CK EAU X03

7:53:31 am

$IVEDWORK/k33251b__004schematic sheet1

k33251b114

004Friday, March 8, 20023

HIGHB (LSD) HLON (LSD)CONTDIM1 (HSD)

FTP (WUF)

2353

TBC_BKLT2

PARKBR (DI)

TBC_CTLDIM

1382

2226

TBC_POTRTN TBC_POTREF

1056

TBC_FFOGLP

1317

TBC_BKLT1

230

TBC_DRLOFF

1977592

TBC_DRLRLY

1353

TBC_SNRFTBC_HIBM

1969

TBC_AMBLT

278

1348

TBC_HDLPON

TBC_DIMPOT

553

TOWHALL_SW TBC_BUSW PRK_BRKSW

1134

TBC_FTP

307 11

TBC_HIBMSEL

20901495

TBC_CTSYSW

279

TBC_SNSRTN

1524

Truck Body Computer 2.2 (TBC): Uplevel (w/ DDM/PDM)

K33251b_004_03

D-212PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

TBC 2.2 (UPLEVEL)

FBISGND

FBPLPWR

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

FRONT

INTRUDE (WUFR) ISDIS (DI)

WIPERACTIVE

HDOPEN (WUF)

ISGND (LSD)

Panel Set: 4BETA2 CKMC031

TBC 2.2 UPLEVEL (W/ DDM/PDM)CK EAU X03

7:53:31 am

$IVEDWORK/k33251b__004schematic sheet1

k33251b114

004Friday, March 8, 20024

J4-B8 J4-A9J4-B2J3-B5 J3-B7 J3-B1J3-B12J3-A5 J3-A6 J2-B7 J3-A10J2-B12J2-A11

FNA

12160778

12177194

002

12110088

J5-12191375J6-

J4-J3-J2-J1-

1217719512110206

Truck Body Controllertbc_uplvl_mdlUPC

CLASS2-1 (WUR)PLDAT (A/D)LSOLAR (A/D)

PLRTN

HDWHL (A/D) CLASS2-1 (WUR)

PLPWR

RSOLAR (A/D)

TBC_ENG

710

TBC_HDWHL

1059

PASS_LKPWR

812 1037

TBC_CL2

1836

PASS_LKDATARTSOLSENS

1548

PASS_LKRTN

1835590

LTSOLSENS

Truck Body Computer 2.2 (TBC): Uplevel (w/ DDM/PDM)

K33251b_004_04

D-213PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

RETURNMIRSIG2

SIGRTN(GND) (HSD/LSD)

VERTICALPOS DATA

(HSD/LSD)

HORIZONTAL

MIRROR

REF

HEATER

5V DCDOWNRTN(HSD/LSD)

HEATER

DDM

MIRRORRETRACT

(HSD/LSD) (HSD/LSD)

MIRRORPOS DATAMIRROR

RIGHT5V DC

MIRRORMIRRORUP/LEFTEXTEND

(HSD/LSD)

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

NOTE: THIS CONTENT INTERNAL TO DOOR

J2-9

REDUNDANT(WUR)

Panel Set: 1

NO "VEHICLE HARNESS" CONNECTION

J2-24 J2-25

FWD

J2-26

EAP

(HSD)

J2-3

J2-4

CLASS 2

15A

J2-15J2-18

J2-20J2-21

J2-22

J2-1

(HSD)

EAPAFT

J2-11

J2-13

J2-14

(HSD/LSD)

J1-1

25A

J1-2

J1-3

J1-4

W/CFDBK

WINDN(HSD/LSD)

WINUP

W/CFDBK(HSD/LSD)

LOCK

DRTN2(GND)

KEYUNLK

GNDMIRSIG1

AJAR

CLASS 2

007106

k33254asheet1schematic $IVEDWORK/k33254a__007

9:34:47 am

Thursday, November 14, 200203 XCK EAU

DRIVER DOOR MODULE1 CKMCEPROD

1

EAPRLY

(LSD)

3of

(LSD)RLYEAP

VBATT2

(HSD/LSD)UNLOCK

VBATT1

DRV_DRUNLK

294

LFWDO_UP

164

1183

LFAJAR_RTN

EAP_RTN2

5499

EAP_AFT

5129

CTILLUM CTRET

LHCTSY_RTN

660165

LFWDO_DWN

DDM_LPTRN2114

DDM_BAT1

4140

5130

EAP_FWD DRV_DRLK

295

DDM_BAT2

1240DDM_GND

1050

DDM_LHCTSY

149

DRKEY_UNLK

262DDM_CL2

1046DRV_DRAJAR

745

5499

EAP_RTN1

Driver Door Module

K33254a_007_01

D-214PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

(PWM)

BACK/CUSHHEAT SEAT PWR

ILLUMBACK/CUSH ORBACK SELECT

(DI)

EAPFWD

MEM2HEAT INDICATOR

(PWM)

DDM

MEM/HEATED

PUDDLE

(WUR&F)

PUDDLE

HEATLEVEL

(DI) (PWM)

HIGHHEAT AFT(WUR&F)LOWMEM1 MEDIUM

(PWM)

EAP

RTNECREF2 ECRTN2

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

NO "VEHICLE HARNESS" CONNECTION

RP

O =

AN

3/A

N3+

NOTE: THIS CONTENT INTERNAL TO DOOR

NO "VEHICLE HARNESS" CONNECTIONNOTE: THIS CONTENT INTERNAL TO DOOR

EXIT MEM 2

ILL

UM

FU

LL

CU

SH

ION

BA

CK

ON

LY

HIG

H

LO

W(A

N3)

CO

OL

(AN

3+)

MEM 1

ME

D(A

N3)

LO

W(A

N3+

)

BA

CK

EA

P A

FT

EA

P F

WD

MEMORY / HEATED SEAT / EAP SW

J2-2 J2-10 J2-12

ECRTN1ECREF1DRTN1(GND)

3of2

PROD CKMCE1DRIVER DOOR MODULECK EAU X03

Thursday, November 14, 2002

9:34:47 am

$IVEDWORK/k33254a__007schematic sheet1

k33254a106

007

ELECT_REF1690 1691

ELECT_RTNDRKEY_RTN536

Panel Set: 2

Driver Door Module

K33254a_007_02

D-215PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

WIN

DO

W

DO

OR

LO

CK

EX

PR

ES

S D

N (

Z75

)

SE

LE

CT

LE

FT

MIR

RO

R

J3-J4-15393865

DRIVER WINDOW SWITCH

LE

FT

MIR

RO

R

EX

PR

ES

S U

P (

Z75

)

EX

PR

ES

S D

OW

N

WIN

DO

W L

OC

KK

OU

T MIR

RO

R

FN

D

FOLD ORCAMPER

DRIVER MIRROR SWITCH

PA

SS

EN

GE

R

WIN

DO

W

DO

WN

UP

EX

PR

ES

S D

N (

Z75

)

DO

WN

UP

WIN

DO

W L

OC

KO

UT

IND

ICA

TO

R

SW

ITC

H

DR

IVE

R

UP

RE

TR

AC

T

EX

TE

ND

SW

ITC

H B

AC

K L

IGH

T

J5-TBD

DO

WN

UP

EX

PR

ES

S U

P (

Z75

)

SW

ITC

H B

AC

KL

IGH

T

PO

SIT

ION

RIG

HT

DDM

SW

ITC

H P

OW

ER

RIG

HT

RE

AR EXTEND

DO

WN

EX

PR

ES

S D

OW

N

DO

WN

UP

15393865

WIN

DO

W

RIG

HT

DO

OR

LO

CK

DO

OR

UN

LO

CK

LE

FT

RE

AR

PO

SIT

ION

WIN

DO

W

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

NOTE:NO VEHICLEHARNESS

J3=AMP#638393-1J4=AMP#638393-2J5=AMP#638394

Panel Set: 3

J2-J1-

UPCdrv_dr_mdlDriver Door Module

1541158815393409

007FNA

PROD3 3of

k33254a 007106sheet1schematic $IVEDWORK/k33254a__007

9:34:47 am

Thursday, November 14, 200203 XCK EAU

DRIVER DOOR MODULE1 CKMCE

Driver Door Module

K33254a_007_03

D-216PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

HEATER

(PWM)

MIRROR

MEDIUM

DO

OR

UN

LO

CK

MIRSIG2

HEATER

BACK/CUSH ORBACK SELECT

BACK/CUSH

(DI)

DO

OR

LO

CK

INDICATOR

PO

WE

R

SW

ITC

H

DO

OR

LO

CK

HIGH

(HSD/LSD)

EX

PR

ES

S D

OW

N

DO

WN

UP

EX

PR

ES

S U

P (

CA

D)

RETRACT

LOWHEAT

(DI)

PDM

MIRROR

BA

CK

LIG

HT

SW

ITC

H

HEATLEVEL

RETURN

HEAT(PWM)

SW

ITC

H

PA

SS

EN

GE

R

WIN

DO

W

(PWM)HEAT

SIGRTN(GND)

HEATED SEATPOWER

ILLUM

(PWM)

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

ILL

UM

BA

CK

Panel Set: 1

HEATED SEAT SWITCH

NOTE: THIS CONTENT INTERNAL TO DOORNO "VEHICLE HARNESS" CONNECTION

VBATT1MIRSIG1

GND

HE

AT

LE

VE

L

HIG

H

ME

D(A

N3)

LO

W(A

N3+

)

LO

W(A

N3)

CO

OL

(AN

3+)

BA

CK

SE

LE

CT

BA

CK

/CU

SH

OR

(HSD/LSD)WINUP

W/CFDBK(HSD/LSD)W/CFDBK

WINDN(HSD/LSD)

CTILLUM CTIRET(HSD/LSD)

LOCK UNLOCK

00583

k33253asheet1schematic $IVEDWORK/k33253a__005

9:36:32 am

Thursday, November 14, 200203 XCK EAU

PASSENGER DOOR MODULE1 CKMCEPROD

1 of 3

J2-8

15A

J2-19

J2-26

J1-1

25A

J1-2 J1-3

J1-4 J2-10 J2-11

J2-14PDM_GND

1050

PDM_BAT2

1340

RFWDO_DWN

667

VBATT2

PDM_RHCTSY

156

2115

PDM_LPTRN

RHCTSY_RTN

661

4240

PDM_BAT1

294

PASS_DRUNLK

295

PASS_DRLKRFWDO_UP666

Passenger Door Module

K33253a_005_01

D-217PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

REF1 RTN1

REF1EC

RTN1

PUDDLE

PDM

EC

PUDDLERTN EC EC

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

NOTE: THIS CONTENT INTERNAL TO DOORNO "VEHICLE HARNESS" CONNECTION

schematic sheet1

k33253a83

005of 32

PROD CKMCE1PASSENGER DOOR MODULECK EAU X03

Thursday, November 14, 2002

9:36:32 am

$IVEDWORK/k33253a__005 Panel Set: 2

Passenger Door Module

K33253a_005_02

D-218PAG

E

2003 & BEYOND LIGHT DUTY C/K FULL-SIZE TRUCK ELECTRICAL

2003 & Beyond Light Duty C/K Full-Size Truck Electrical — Revised 3/04

(HSD/LSD)

VERTICAL5V DC5V DC

REF

MIRRORUP/LEFT J3-

PDM

J5-(HSD/LSD)

MIRRORMIRRORRIGHT(HSD/LSD)

POS DATA(HSD/LSD)

15393865HORIZONTAL

DOWN POS DATARTN

EXTEND(HSD/LSD)

MIRROR

J4-15393865TBD

LAST CHANGED BY

Panel Set:

VERSIONSTAGEREVISIONOBJECT ID ORGANIZATION

NOTE:NO "VEHICLE HARNESS" CONNECTION

NOTE: THIS CONTENT INTERNAL TO DOORNO VEHICLEHARNESS

J3=AMP#638393-1J4=AMP#638393-2J5=AMP#638394

Panel Set: 3

KEY UNLK

(GND)DRTNR2

(GND)DRTN1DOOR

AJAR

X03

Thursday, November 14, 2002

9:36:32 am

$IVEDWORK/k33253a__005schematic sheet1

k33253a83

005of 33

PROD CKMCE1PASSENGER DOOR MODULECK EAU

CLASS 2

(WUR)REDUNDANT

J2-9

CLASS 2

J2-20 J2-22J2-24J2-5 J2-6

UPCFNA

J1-J2-

1541158815393409

005Passenger Door Modulepass_dr_mdl

PASSKEY_RTN

537746

PASS_DRAJAR

265

PASSKEY_UNLK

1047

PDM_CL2

1178

RFAJAR_RTN

Passenger Door Module

K33253a_005_03

D-219PAG

E