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Installation Guide

SIR-GM1GM CLASS-2 BUS COMPATIBLE

SIRIUS SATELLITE RADIO TUNER

2 SIR-GM1 Installation Guide

Congratulations on your purchase of the SIR-GM1– the GMCompatible SIRIUS Satellite Radio Tuner!

Your SIR-GM1 is designed to be added to select vehicles that support SatelliteRadio operation. Your tuner is designed to replace the factory satellite tuner inyour GM vehicle. It is also compatible with systems that do not have the factorysatellite tuner installed.

CompatibilityThe SIR-GM1 is designed to becompatible with select headunits from2003 ~ 2006 in select vehicles thatoperate on the Class-2 Bus. Pleaseconsult the included compatibilitylisting.

Compatible Headunit Types:• CD only Headunits*• CD + Cassette Headunits*• 6-CD changer Headunits*• Touch Screen Monitor Headunits• Non-Touch Screen Monitor

Headunits

*Note that the units must have a“BAND” button to access SIRIUS audiomodes.

In addition, the SIR-GM1 is compatiblewith most additional factory audioaccessories that might be included,such as:

• Rear Seat Audio Control Center• Rear Seat Entertainment (DVD/

Monitor) System• Heads up display (HUD)• Steering wheel controls

Note that the SIR-GM1 is not compatible with the factory satelliteradio antenna that might be installed in the vehicle. You must installa SIRIUS compatible antenna such as the one included with thisproduct.

FeaturesThe SIR-GM1 is designed to emulatemany of the factory SDAR (SatelliteDigital Audio Radio) commands found inyour vehicle.

• Channel Tune (Up and Down)• Fast Tune (Up and Down)• Category Search (Up and Down)• Category Tune (Tune within a

category)• 12 presets (6 for each band)• Preset Scan (UP)

Note about features listed; Each GMradio type operates differently, soconsult the vehicle owners manual forproper operation methods.

Headunit Display CapabilityWhen the SIR-GM1 is installed, it hasthe capability to show the followinginformation on the headunit display.

• Channel Number• Channel Name• Category Name• Artist Name**• Song Title Name**

**Number of characters displayed variesby headunit type (8 ~16 Characters).Text Scrolling and/or Paging is notsupported with the SIR-GM.

Note: Some GM headunits will display “XM1” or “XM2” as thedisplay source. This information is hard coded in the headunitdesign and can not be changed.

3SIR-GM1 Operation and Installation Guide 3SIR-GM1 Installation Guide

Table of ContentsPackage Contents .............................................................................................. 3Warnings and Cautions ..................................................................................... 4Installation .......................................................................................................... 6Mounting the Tuner ............................................................................................ 6Installing the Antenna ........................................................................................ 6Optimum Antenna Mounting Locations ........................................................... 7Wiring and Cable Connections ......................................................................... 8System Connection Examples ........................................................................ 10Activating Your SIRIUS Subscription............................................................... 12Specifications ................................................................................................... 13

Package ContentsA

B

C

E

SIR-GM1 Tuner

Mini Magnetic Antenna

Antenna Cable Cover/Tail

Alcohol Swab

Factory SDAR Interface Cable

T-Harness Interface Cable

Power Harness with Filter

Mounting Screws (Qty. 6)

A

B

C

D

F

E

D

G

G

F

SIR-GM1GM COMPATIBLE


HEADUNIT

H

H


WARNINGThis symbol means importantinstructions. Failure to heed themcan result in serious injury or death.DO NOT OPERATE ANY FUNCTIONTHAT TAKES YOUR ATTENTIONAWAY FROM SAFELY DRIVING YOURVEHICLE.Any function that requires yourprolonged attention should only beperformed after coming to a completestop. Always stop the vehicle in a safelocation before performing thesefunctions.Failure to do so may result in anaccident.

DO NOT OPEN, DISASSEMBLE ORALTER THE UNIT IN ANY WAY. Doingso may result in fire, electric shock orproduct damage.

DO NOT INSERT ANY OBJECTS INTOTHE UNIT. Doing so may result in fire,electric shock or product damage.

USE THE CORRECT AMPERERATING WHEN REPLACING FUSE.Failure to do so may result in fire,electric shock or product damage.

MAKE THE CORRECT CONNECTIONS.Failure to make proper connections mayresult in fire or product damage.

DO NOT SPLICE INTO A ELECTRICALCABLES. Never cut away cableinsulation to supply power to otherequipment. Doing so will exceed thecurrent carrying capacity of the wire andresult in fire or electric shock.

DO NOT INSTALL IN LOCATIONSTHAT MIGHT HINDER VEHICLEOPERATION. Doing so may obstructvision or hamper movement which canresult in a serious accident.

DO NOT INSTALL THE UNIT TO HIGHLEVELS OF HUMIDITY, MOISTUREOR DUST. Doing so can result in electricshock or product failure.

FCC Warning: This equipment maygenerate or use radio frequency energy.Changes or modifications to thisequipment may cause harmfulinterference unless the modificationsare expressly approved in this UserGuide. The user could lose the authorityto operate this equipment if anunauthorized change or modification ismade.

Note: This equipment has been testedand found to comply with Part 15 of theFCC Rules. These rules are designed toprovide reasonable protection againstharmful interference. This equipment maycause harmful interference to radiocommunications if it is not installed andused in accordance with theseinstructions. However, there is noguarantee that interference will not occurin a particular installation. If this equipmentdoes cause harmful interference to radioor television reception, which can bedetermined by turning the equipment offand on, the user is encouraged to try tocorrect the interference by one of moreof the following measures:

• Relocate the receiving antenna.• Consult the dealer or an

experienced technician for help.


CAUTIONThis symbol means importantinstructions. Failure to heed themcan result in injury or materialproperty damage.

HALT USE IMMEDIATELY IF APROBLEM APPEARS. Failure to do somay cause personal injury or damageto the product. Return the unit to yourauthorized retailer or nearest servicecenter for repairing.

INSTALL THE WIRING SO THAT IT ISNOT CRIMPED OR PINCHED BYSCREWS OR SHARP METAL EDGES.Route the cables away from moving partsor sharp pointed edges. This will preventcrimping and damage to the wiring. If thewiring must pass through a metal hole,be sure to use a rubber grommet toprevent the wire’s insulation from beingcut by the metal edge of the hole.

USE THE SPECIFIED ACCESSORYPARTS AND INSTALL THE PRODUCTSECURELY. Be sure to use only thespecified accessory parts. Use of non-specified parts may damage this unitinternally or may not securely install theunit in place. This may cause parts tobecome loose, resulting in hazards orproduct failure.

USE CAUTION IF YOU NEED TODISCONNECT THE BATTERYTERMINAL. Please consult thevehicle’s owner’s manual or a servicetechnician prior to removing the batterypositive or ground connection, as it maycause damage to the vehicle’s electricalsystem or require reprogramming of thevehicle’s computer-controlled devices.

The way the SIR-GM1 is installed andused in your vehicle will vary dependingon several factors including the make,model and year of the vehicle as wellas the factory-installed options. Pleaserefer to the information below forinformation on the proper method ofSIR-GM1 installation.

If your vehicle is pre-wired for satelliteradio, then you should install the SIR-GM1 in the factory satellite radio tunerlocation using the existing wiring andthe ‘factory harness adapter’. Pleaserefer to the factory service manuals forappropriate installation instructions.

If your vehicle is not pre-wired forsatellite radio, but it is compatible withthe SIR-GM1, then you must use theprovided T-harness to connect to theback of your factory headunit.

COMPATIBILITY


Installing the AntennaThe antenna includes a 6-1/2” cablecover/tail which covers the exposedantenna cable and keeps it attachedsecurely to vehicle roof. The tail alsohelps position the antenna the properdistance from the window, sunroof orrear hatch.

InstallationIt is recommended that prior to startingthe installation, you thoroughly readthis manual and follow the guidelineslisted below:

Some installations may use the factorysatellite radio tuner location. If you areusing this location, please follow thefactory instructions for installing thetuner in your vehicle. If you are notusing this location, please read thefollowing installation guidelines.

Consider the mounting locationcarefully. You should make sure thatyou avoid the following:

• Any location where the tuner isexposed to moisture.

• Any location where the unit isexposed to extreme heat.

• Any location that would interferewith moving parts on the vehicle orhamper driving.

Mounting the SIR-GM1 TunerBe sure that you find a location that isflat and has clearance above the unitto prevent any damage as well asallow for ventilation.

Do not install the tuner under the carpetor in a small enclosed area withoutproper ventilation. Doing so can resultin damage to the tuner or the vehicle.

Use the supplied screws to securelyfasten the unit.

Caution:If you are attaching the unit directly tothe vehicle’s chassis, be sure that youcheck to make sure the area behind theunit is free from moving parts, fuel orbreak lines, wire harnesses or anyother items which may get damaged bydrilling a mounting hole or using thesupplied screws.

Antenna(Bottom)

Adhesive Strips

Cable Cover/Tail

Connect the cable cover/tail to the antenna cable,insert the cable throughthe grove. Peal off theadhesive tape

Note that the SIR-GM1 is not compatible with the factory satelliteradio antenna that might be installed in the vehicle. You mustinstall a SIRIUS compatible antenna such as the one includedwith this product.


To attach the cover/tail:1) Once you have determined the proper

mounting location (see next section),clean the area with the suppliedalcohol swab.

2) Connect the cover/tail to the antennacable, making sure that the strain-relief seats into the cover/tail groove.Route the cable through the wirechannel in the cover/tail.

3) Remove the remaining protective tapefrom the adhesive, carefully positionthe antenna with cover/tail and applypressure to secure to the vehicle.

Sedan/Coupe

SUV/Mini-Van

Truck

Convertible (only)

• For SUVs, minivans and five-doorvehicles, bring the cable into thevehicle under the rubber molding forthe tailgate, and continue under theinterior trim.

• From the trunk, carefully route thecable to the location of theSIR-GM1 and plug the SMBconnector onto the unit.

Caution:• Do not pull the wire across sharp

edges that could damage it.• Keep the wire away from areas

where it could become tangled in thedriver’s and passenger’s feet.

• Keep the antenna wire away fromextreme heat – like exhaust systems.

• Avoid placing the cable near anymoving parts

Optimum Antenna Mounting LocationsThe optimum location to mount theantenna is on the roof of the vehicle. Itis important to avoid any obstructionthat will block satellite signal – like aroof rack. For convertible vehicles, installthe antenna on the trunk lid.

• Place the antenna on a metalsurface of your vehicle at least 12" x12", and at least 6" from a window.(Use the antenna cover/tail as aguide for the proper distance).

• The antenna’s powerful magnet willsecure it to the metal surface. Theadhesive that is attached to theantenna cover/tail will secure thecable to the vehicle. Before routingthe antenna cable, confirm that theantenna is mounted in a goodlocation.

• Route the cable from the antenna tothe vehicle’s interior by tucking itunderneath the rubber molding aroundthe rear window (if possible).

• Route the cable from the lowest pointof the rear window into the trunk. Takeadvantage of any existing cablechannels or wiring conduits.


Wiring and Cable Connections

A

B

A. Antenna InputConnect the right-angle SMB connectorfrom the antenna. Push firmly toattach. Connect to only approvedSIRIUS Satellite Radio antennas - DONOT connect to the factory satelliteradio antenna if installed.

B. Headunit ConnectorConnection to either the Factory SDARinterface cable or T-Harness cabledepending on system type.

SIR-GM1GM COMPATIBLE


HEADUNIT

Factory SDAR Interface CableUse this cable if you are replacing thefactory XM satellite tuner.

T-Harness InterfaceIf your vehicle doe not have a factoryXM satellite tuner installed, use the T-Harness and supplied power harnesswith noise filter..

Note 1:DO NOT cut or extend the suppliedharnesses. Doing so can causeoperation or noise issues.

Note 2:It is not possible to have both thefactory XM tuner and the SIR-GM1installed at the same time.


FILTER &FUSE BOX

OU

T IN

Antenna (21’ cable) - Mount onRoof of Vehicle

Right-angle SMBConnector

NOTE: If your vehicle is equipped with a factory satellite radio tuner and you are using theincluded ‘T-harness interface cable’ for installation, you must disconnect the factory satelliteradio tuner at the tuner box. Otherwise, operational errors will occur while using the SIR-GM1.

Factory GM Class-2 Radio

Connect YELLOW wire to the BatteryPositive or other good B+ source

Factory bus connector(Vehicle Side)

Connect Black wire tothe a solid ChassisGround (as short aspossible)

SIR-GM1Connector

T-HarnessInterface Cable

Power Harnesswith Filter

Factory bus connector(Headunit Side)

1-AMP Fuse locatedinside noise filter

1-AMP ATC Fuse


System Connection ExamplesSystem 1

For vehicles pre-wired for satellite radio

Factory SDARInterface Cable

Factory wiringharness

Remove the Factory XM Tuner andconnect the SDAR Interface Cable


FILTER &FUSE BOX

OU

T IN

System 2

For vehicles not wired for satellite radio

Connect YELLOW wire to the BatteryPositive or other good B+ source

Factory bus connector(removed from headunit)

Connect Black wire to the a solidChassis Ground (as short as possible)

Factory bus connector

SIR-GM1Connector

T-HarnessInterface Cable

Power Harnesswith Filter


You must activate SIR-GM1 before youcan start to receive the SIRIUS SatelliteRadio broadcast.1. Make sure that the SIR-GM1 is

properly connected and that itsantenna is oriented to receive theSIRIUS satellite signal.

2. Turn on the headunit.3. Use your factory radio’s controls to

select satellite radio as the source.Pressing the BAND button will changesources to SR1 or SR2. Note- someheadunits will display XM1 or XM2when in SIRIUS mode.

4. If this is the first time the unit isconnected and receiving satellitesignal, the display may read“UPDATING” until the SIR-GM1channel update is completed. This iswhere the latest channel line up isupdated on the SIRIUS Receiver.

NOTE: Don’t push any buttons orperform any operations untilupdating has been completed.Once updated and the SIRIUSchannels are received, you will betuned to SIRIUS Satellite Radio’sPreview Channel (Channel 184). Youshould be able to hear the SIRIUSPreview channel’s Audio.

5. Find the SIRIUS ID (SID) of your unit.The SID can be found on a sticker onthe bottom of the SIR-GM1 or bytuning to channel 255. Press thedisplay button (DISP on most units-some use INFO) to select either artistname or song title. Both fields willdisplay the 12-digit SID.

6. Write down the 12 digit SID in thelocation provided on the next page forfuture reference.

7. Contact SIRIUS on the Internet:https://activate.siriusradio.comFollow the prompts to activate yoursubscription.

You can also call SIRIUS toll-free at 1-888-539-SIRIUS (1-888-539-7474).

You will not be able to tune to anyother channels until you activate yourSIRIUS subscription.

Activating Your SIRIUS Subscription

Basic OperationAfter the unit is activated please followthe steps below to insure properoperation of the unit:1. Power off the headunit, close all doors

for 1 minute.2. Open the door and either start the car

or turn on the ACC.3. Cycle through the BANDS to select

SR1 (or XM1).4. Select each preset one time (the

headunit may have retained presetsfrom the XM radio. This will change allthe presets to the SIRIUS defaultchannels.

5. Press BAND to select SR2 (or XM2)and repeat step 4 above.

6. You can now tune and set up yourpresets as you wish.

For specific headunit functions, pleaseconsult your GM headunit owner’smanual for proper operation instructionsfor using satellite radio products.


SIRIUS ID:

SIRIUS Customer Service: 1-888-539-7474

SpecificationsOperational FrequenciesSatellite ......................................................................... 2322.293/2330.207 MHzTerrestrial ....................................................................................... 2326.250MHz

Power Requirements .................................................................. 11-16 Volts DC

Chassis Size ............................. 126.75mm x 125.75mm x 34.75mm (WxHxD)

Antenna Type ................................................................................ Mini-MagneticAntenna Cable Length ................................................. 21’ (single micro-cable)Connector Type .....................................................................SMB (Right-angle)

Audio Output ............................................................................. 1.4V rms (Fixed)Included Cables ........................................................ T-Harness Interface Cable............................................................................ Factory SDAR Interface Cable.............................................................. Power harness with in-line noise filter

Please write down your SIRIUS ID in the space provided below:

SIRIUS Satellite Radio1221 Avenue of the Americas

New York, NY 10020(888) 539-7474

www.sirius.com

SIR-GM1-Install-Manual-(v05152006)© 2006 SIRIUS Satellite Radio Inc.

“SIRIUS” and the SIRIUS dog logo are trademarks of Sirius Satellite Radio Inc.

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