planos hidraulico y electrico 16h
DESCRIPTION
moto 1TRANSCRIPT
D14499
S2 V1
S1 T1 T2
M
27
24
26
25
23
2221 21
Machine Location Item No. Component Description
SchematicLocation
21 Blade Lift Control Valve C-1,C-222 Ripper Control Valve C-1,C-223 Ripper Cylinder D-224 Check Valve For Supplemental Steering A-325 Electric Drive Pump For Supplemental Steeirng B-326 Check Valve For Supplemental Steering B-327 Relief Valve For Supplemental Steering B-3
Attachment Circuits
1995 Caterpillar
SENR8587January 1995
16H Motor GraderHydraulic System
6ZJ1-UP
©All Rights Reserved
Printed in U.S.A.
F
E
D
C
B
A
6 5 4 3 2 1
6 5 4 3 2 1
F
E
D
C
B
A
D14498
T1 T2
V1
S2
S1
1
2
3
4
8
9 11 13 14
12
1015
16 16
65 7
1718
8
C1 C2
C1 C2
19
20
19
20
18 14 12 8 10 9 17 11 7 16
13 8 6 5 4 3
121 2
15 16
D18973
23
27262524222119 20
Machine Location Item No. Component Description
SchematicLocation
1 Filter & Tank B-62 Piston Pump For Implements And Steering A-43 Combination valve A-34 Steering Accumulator B-35 Metering Pump For Steeirng D-46 Left Implement Valve Group D-67 Right Implement Valve Group D-28 Cylinder For Blade Lift F-2,F-69 Cylinder For Side Shift F-6
10 Swivel Group E-611 Cylinder For Blade Tip F-612 Gerotor Motor For Circle Drive E-513 Left Steering Cylinder F-514 Right Steering Cyliinder F-415 Relief Valves For Steering Cylinders E-616 Left And Right Articulation Cylinders E-417 Centershift Cylinder F-318 Wheel Lean Cylinder F-319 Accumulators For The Blade Cushion F-2,F-620 Mounting Valves For The Blade Cushion E-2,E-6
Hydraulic System For Implement And Steering Circuits
14
23
241
15
605-YL200-BK
RDBK
TURN LAMP7X-6066
G
ST
12
604-OR614-PU200-BK
RDWHBK
132
STOP/TAILLAMP8C-6207
D
D
321-
BR
200-
BK
200-
BK
606-
GY
614-
PU
604-
OR
604-OR614-PU606-GY321-BR200-BK200-BK
200-
BK
200-BK
D
L50
D
BACKUPALARM3T-1815
605-YL604-OR614-PU606-GY321-BR200-BK
200-
BK
200-
BK
200-
BK
6 5 4 3 2 1
L60
L69
L48
L69
L60L48
321-BR121-YL
E
122-BU-14200-BK
200-BK556-WH
306-GN307-OR409-OR201-BK
201-
BK
200-
BK
606-GY614-PU604-OR605-YL
556-WH
121-YL122-BU-14
200-
BK
200-
BK
200-
BK
200-BK
11
ED
311-
WH
101-
RD
2 1
200-BK608-GN 608-GN
112-PU112-PU-4
200-BK-4
200-BK
403-GN
REAR FLOODLAMP9X-6775
ALTERNATOR100-5047 50A STD 3E-7577 75A ATCH
MAINRELAY101-7740
109-OR-4ALT
+R
308-YL
Y
E
WH-18WH-18WH-18
3 4 1 2
WH-18
Y
Y Y
DIODE AS.105-8827
2 1
200-BK101-RD
PP
2 1
WH-18
2 1 4 3
WH-18WH-18
WH-18
E
E
1 2
AIR DRYER8W-3087
GNGN
1 BKBK 2
105-
BR
STARTING AND CHARGINGDIAGNOSTIC CONNECTOR
306-GN
Y
109-
OR
-4
200-BK
610820191817161514133
109-OR-4
920
3-B
K
710
9-O
R
25121
308-
YL
207-
BK
302-
OR
Y
112-
PU
101-
RD
HHDD
306-
GN
310-
PU
308
112-
PU
14
DU7
430
4-W
H
3
F
E
D
23
2
60A
80A
GNDSTART
STOP
G S
MTR BAT
MOTOR
608-GN
K-4
200-BK
TOR50A STD75A ATCH
R-4
YL
WH-18WH-18
2 1
WH-18WH-18
ER
GNGN
ARGINGECTOR
GN
109-
OR
-4
200-BK
6108201918
109-OR-4
308-
YL
HH
306-
GN
310-
PU
308-YL
STEER SW
ALTERNATOR
GROUND
+ BATTERY
MOTOR RELAYOPR PANEL
SUPPLEMENTALSTEERING3E-5184
109-OR-10
306-GN
304-WH-10
101-RD101-RD-4
ALTERNATORBREAKER9S-0174 STD9S-4693 ATCH
109-OR-4109-OR
STARTRELAY3E-7279
304-WH
310-PU
BACK-UP ALARM SW3E-9367
L68
L60
L60
L48
L48
PP101-RD
NEUTRAL/STARTSW3E-9367
DIFFERNTIALUNLOCK SOLENOID7T-9073
Y
Y Y
1 2
Y
4
200-BK
304-
WH
200-BK
308-YL
306-GN
PK-18BR-18BK-18BU-18PU-18OR-18WH-18
RD-18YL-18
129684537
KEY SW
GN-18GY-18
SUPPLEMENTALSTEERINGMOTOR117-3915
SUPPLEMENTALSTEERINGRELAY3E-0154
RD-0 RD-0 MOTOR
326-PU
200-BK-10301-BU-10
136-GN308-YL
200-BK200-BK728-BU
403-GN
727-GN417-GY
12
B
B
B
Y C112-PU-4
Y C
SHUTDOWNSOL3E-7985
200-BK-4
200-BK
101-
RD
-4
200-BK
301-BU302-OR
RESISTOR6T-2217 2
203-BK
1
DISCONNECT SW7N-0718
NEG POS
B
BK-00
BK
-00
RR
AAA
12V BATTERY9X-9731
207-BK
200-BK727-GN462-YL
B
101-RD-4
B
RD-00
Y
Z
Z
YY
B
YYWW
TT
13
462-YL727-GN200-BK
101-RD-4
112-PU-4
EE
200-BK
Z
2
5 3
4 1 7
C
403-GN200-BK
728-BU136-GN
308-YL
BK-0
L57
L56
L55
L60
L54
ANTENNA9W-3072CABLE AS.9X-3073
ARTICULATIONSENDER3E 5383
200-BK-10176-OR-14
200-BK
Y
6
PP
207-BK
301-BU
BK
-6
REARFRAME
STARTER109-5922
304-WH-10
RD-00
BK
-00
ENGINEBK
-00
Y
B
B
B
200-
BK
-10
BUSS BAR8C-6358
RD-00
LL
UU
UU
301-BU-10
SS
SS
417-GY
24V TO 12V CONVERTER3E-8646
IGNITION12V OUT
GROUND24V IN
LOCALIZEDGROUNDSTUD
727-GN
AC
AC
AAA
DDD
DDD
AUX STARTRECEPT.
RD-00
BK-OO
XX
XX
727-GN
200-BK-10
RD
-00
BK
-00
C
101-
RD
-4
113-OR(NOTE E)
RD-00
7 8
6 3
4 5
8
2 1
7 6
5
4
3
2
1403-GN
200-BK 7 6 5 4 3 2
6
3 4 5B+ MEMORY
B+GROUND+ LH SPEAKER- LH SPEAKER+ RH SPEAKER- RH SPEAKERANTENNA
BKWHWH/BKGYGY/BK
L67
L67
L57
L56
L56
L56
L55
L55
L54
L54
RD
24V RADIO9X-6810
200-
BK
A42
9-Y
L
101-RD-4
112-PU-8112-PU-10
1
308-
YL
8
2187
403-GN
AC
C A
C A
12
EE EE EE
4
3 6 5
406-PU441-OR201-BK
447-PK
413-BR
608-GN
405-GY
12V RADIO3E-7140
DOME LAMP8C-9678
A513-PK592-BU200-BK508-PU509-WH511-BR512-GN113-OR
L61
GY/BKGYWH/BKWHBKRDYLB+ MEMORY
B+GROUND+ LH SPEAKER- LH SPEAKER+ RH SPEAKER- RH SPEAKERANTENNA
L38
522-WH597-PU326-PU310-PU
200-BKA429-YL728-BU136-GN
403-GN
176-OR-14
L35
L45
L37
308-YL105-BR
417-GY
K
2187
2
727-GN
115A
25A CONVERTERBREAKER3T-2662
201-B419-Y
608-G405-G403-G413-B447-P201-B441-O406-P
K101-RD-14113-OR
L13
2
3
2 1
BKRDWH
L61
K
11
112-PU-4
9 8 7 6
2
5 4 3 2
1
601-GY
601-GY
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J J
619-
GN
619-
GN
200-BK
601-GY
601-GY
200-BK
200-BK
200-BK
601-GY200-BK200-BK
200-BK
165-YL3
2
A429-YL
605-YL606-GY
310-PU608-GN614-PU605-YL605-YL
200-BK601-GY
115-PK
103-YL
1
200-BK3601-GY
200-BK601-GY
415-GN
308-YL
614-PU
606-GY611-PU619-GN
310-PU
600-BR
116-BR
601-GY200-BK
103-YL
608-GN
601-GY
102-BU
322-
GY
114-
GN
605-
YL
606-
GY
614-
PU
611-
PU
619-
GN
601-
GY
605-YL606-GY
200-BK601-GY
L12
L12
L32 L32
L32
L30
322-GY
PANEL LAMPDIMMER SW3E-9318
122-BU-14
J
124-GN113-OR
601-GY
611-PU
HEADLAMP DIMMER SW103-5678
136-GN
600-BR
601-GY
200-BK601-GY
103-YL
165-YL
169-PK
116-BR149-PU
L39
601-GY
601-GY
556-WH
308-
YL
606-GY
308-YL
5 6 2 3
2
149-PU
601-GY200-BK
5
2
DIFFERENTIALUNLOCK SW123-5862
200-BK200-BK
155
6-W
H10
200-BK
9
601-GY
409-OR
J
A
601-GY601-GY
J
601-GY
103-YL
556-WH
601-GY601-GY601-GY601-GY
123-WH
J
J
113-OR
2
5
2
5
2
5
-PKBUBKPUWHBRGNOR
201-BK419-YL
608-GN405-GY403-GN413-BR447-PK201-BK441-OR406-PU
01-RD-1413-OR
L13
L13L16
L16
L16108-BU200-BK
3
2 1
L63
BKRDWH
L61L61
L65 L65
L63
K
112-
PU
-10
101-
RD
-410
1-R
D-1
0
L35
L35
1
2 4 6 7 9 5 8 1 3
2
1
1
J
J
J
L66
J
J
105-
BR
24 TO 12 VOLTCONVERTER119-1733
105-
BR
A51
3-P
K10
2-B
U
+12V MEMORY+24V IN
+ BATTERYGROUND
GROUND (RADIO)+12V RADIO
122-BU-14124-GN113-OR136-GN
130-GN134-YL105-BR102-BU
L37
L45
L45
SPAREBACKUP ALARM
1
101-
RD
115-
PK
112-PU-8
102-
BU
101-
RD
L65
101-RD-10
L35
L35
L66
L37
103-YL173-YL
SERVICEMETER3E-9359
130-GN
134-YL
200-BK
403-GN
114-GN105-BR
TAIL LAMPSTURN SIGNALS
STOP LAMPS
SUPP STEERHORN
+ -JJ
KEY SW
1 2
728-BU200-BK
321
STEER SW8T-8640
101-RD-10
LIGHTBARLOW BEAMBREAKER3T-2662
HEADLAMPBREAKER
15A
15A
BURDBK
10A10A10A10A10A10A10A10A10A
J
J
SIG
J
J
J
A
A
A
JJ
BBAA
121-
YL
A
J
101-RD
FUSE BLOCK9G-0747
SPARE
123-WH
10
2
4 1 6 5 2 3
J
J
J
J J
J J
J
JJ
JJ
JJ
L35
L65
592-BU200-BK
A513-PK102-BU
200-BK113-OR
RESISTOR3T-3123
2
L16L13
L45
L37
L66
L66
TURN SIGNALSW9G-5589
21
J
200-BK
2
1
619-GN
B
601-GY
614-PU
AIR DRYERAIR CNDTRGAGESSUPP STEER
121-
YL
403-
GN
DIFF LOCK
BLADE CNTRL
REAR FLOODSBLADE FLOODS
10A
FLASHER108-0358
537-GN 14
15A10A10A10A10A10A10A10A
HORN SW8X-9440
601-GY
STEERING CONSOLE
1
JNN
A
3K-8782 FUSE (10A)8M-8948 FUSE (15A)
JPARK BRAKE
FUSE BLOCK9G-0747
1
34
6
5 1 4 3
1 2
2
1 6 5 4 2 3
165-YL
165-
YL
165-
YL
GY
J
JJ
J
J
J
J
J
J
J
J
JJ
J
JJ
J
J
J
J
J
1
614-
PU
614-
PU
609-YL
Y
Y
K
K
L30
L35
L65L12
165-
YL
169-
PK
409-OR
165-YL121-YL608-GN609-YL
614-PU
BKGY
629-PK
614-PU
PK
YL
BKGY
BKGY
GN
YL
201-BK
7
169-PK629-PK415-GN201-BK
L16L13
310-PU
570-
BU
A429-YL
CONN B
CONN A
NOTE: WITH SUPPLEMENTALSTEERING SWITCH CONN'SA&B
417-GY
B75
1-B
U57
0-B
U
417-GY
BR
L16L13
L62GYBK
404-YL614-PU410-WH201-BK
HEADLAMP/TAIL SW3E-9317(NOTE G)
113-OR
200-BK
609-YL
A592-BU
U
415-GN
609-
YL
200-BK
310-PU
629-
PK
608-
GN
KY
L32
L32
L35
L30
L30L30
L34
L6
L29L29
L29
L40
L65
L65 L65L1
1
L11
BK
608-GN
GY
YL
L39
403-
GN
121-
YL
614-PU619-GN
201-BK
OPERATOR MONITOR 9X-7801
LAMP
UNUSEDUNUSED
GROUNDNEUTRALBK AIR PRESSHYD TEMPBRAKE ON
L64
ALARM+ BATTERYPRIM STEERSHIFT FAULT
UNUSEDUNUSED
FUEL PRESS
ALTERNATORTESTENG OIL PRESSCOOLANT TEMP
6
3
201-BK
4
TAILLAMP SW3E-9319
8
3
7
201-BK 1
441-OR
403-GN419-YL405-GY406-PU413-BR447-PK201-BK
201-BK417-GY
606-GY605-YL
408-WH201-BK
3
1118142987191710
124
1365153
2
417-GY
410-WH
419-YL404-YL408-WH409-OR
9
L6
2
PU
GY
6
L11
FLOODLAMPS9X-9632
BK
L12
L32
1620
5
2
ETHER AID/EMS TEST SW9X-9628
L64 L64
200-
BK
L21
L63
L21
L21
LIGHT BARLOW BEAM9X-9631
M
M
A
A
201-
BK
411-PK201-BK
9
- +
200-BK
-+- +
REARWASHER7T-8891FRONT UPPER
WASHER7T-8891
FRONT LOWERWASHER7T-8891
FRONTFRAME
201-BK
200-BK-6
K
200-BK200-BK
4
201-BK201-BK201-BK201-BK201-BK
MOTOR
MOTOR
113-OR
FRONTFRAME
5 3 7 2
MOTOR
10 4 6 8 1
2 5 7 9 3
4 6 8 1
201-BK
200-
BK
200-
BK
-14
201-BK
413-BR
200-BK-6
2
406-PU
5
405-GY
201-BK
8
INSTR
UNUSED
1113-OR
LAM8M-6
A429-YL
113-OR
441-OR614-PU
403-GN
GAGECLUSTER124 0384
415-GN
WHRDORPU
GNGYPKYLBK
(24 V)
(12 V)(24 V)
M
M
447-PK
200-BK
201-BK
AJ
AJ
AA
A
AA
AA
AA
A
ZZ
J
6
614-
PU
614-
PU
J
7 403-GN
614-PU
201-BK
606-GY605-YL614-PU
J
31425
J
200-BK
417-GY201-BK409-OR408-WH404-YL419-YL201-BK
410-WHA429-YL
201-BK413-BR406-PU405-GY
3-OR
415-GN447-PK441-OR113-OR403-GN
(12 V)
201-BK
201-BK
2
5
1
34
6
2
5
1
34
6
2
5
7
200-BK
K
K
200-
BK
113-
OR
A51
3-P
K20
0-B
K51
2-G
N51
1-B
R59
2-B
U
200-BK113-ORA513-PK
L19
L62
L19
L62
L62 L62
L62
L16
L16
L15
L14
L14
L14L14
L13
L13
200-BK
A50
6-O
RA
503-
PK
200-BK-8
108-
BU
200-
BK
A51
3-P
K59
2-B
U20
0-B
K51
1-B
R51
2-G
N50
9-W
H50
8-P
U
BLOWER9X-0343
DEFROSTER9X-9657
508-PU509-WH
LEFT SPEAKER6T-7695
A506-OR200-BK
501-GN118-GY500-BR502-OR
RESISTOR7T-4003
BK/RDBK
200-BK GND
PARKB+GNGYBROR
4 2
3 1
HI
LO
MOTOR
T
BK
MOTOR12
+-
113-
OR
FRONT UPPERWIPER9X-3392
A506-OR
K
K
K
K
K
K
K
K
K
K
K
614-PU614-PU614-PU
614-PU
200-
BK
200-
BK
200-BK
200-BK
200-BK
200-BK
R 9X-7801
DD
DALPRESSMPON
ERYTEERFAULT
DD
RESS
NATOR
L PRESSNT TEMP
L32
L32L21 L21
L21L21
L10
L6
L11
L11
L11
L12
L10
L10 L10
L10
L10
200-BK
M
200-BK
200-BK200-BK200-BK
200-BK200-BK
M
200-BK200-BK200-BK
M
200-BK
- +
507-WH506-PU578-BU
507-WH200-BK
21
200-BK605-YL
611-PU200-BK
619-GN200-BK
200-BK
M
RIGHT TURNINDICATORLAMP7N-5876NOTE B
200-BK200-BK
4 GA
CABGROUND
606-GY605-YL611-PU619-GN114-GN322-GY
606-
GY
200-
BK
MOTOR
629-PK609-YL
OP
ER
ATO
R S
TAT
ION
M
M
200-
BK
200-
BK
609-
YL
609-
YL
609-YL
INSTRUMENT PANEL
D
FORWARDHORNSOLENOID7T-9074
GRD
SEND
IGN
LAMP8M-6176
FUELLEVEL
COOLANTTEMP
MASTERACTIONLAMP9W-2111NOTE B
411-
PK
201-
BK
605-
YL
200-
BK
614-
PU
200-
BK
614-
PU
200-
BK
200-BK
LEFT TURNINDICATORLAMP7N-5876NOTE B
R/S SYSTEMAIR PRESSGAGE1W-3306
LAMP7N-5876NOTE B
L/S SYSTEMAIR PRESSGAGE1W-3306
LAMP7N-5876NOTE B
GAGECLUSTER124 0384
(24 V)
(12 V)(24 V)
IGN
SEND
GRD
IGN
SEND
GRD
MM
M
M
ARTICULATION
AA
CC
TA
A
Q
P
A
A
A
ZZ
200-BK
5 4 3
570-BU12
12
200-
BK
200-
BK
200-
BK
200-
BK
606-GY605-YL611-PU619-GN200-BK
629-PK200-BK
200-
BK
12
200-
BK
(12 V)
609-YL200-BK
12
114-GN322-GY
12345
570-
BU
BLADEFLOODLAMP9X-6775
200-
BK
200-
BK
200-BK200-BK
200-
BK
200-BK
619-
GN
619-GN
611-PU
611-
PU
P
P
K
K
200-BK
629-PK
Q
L2L2
K
K
K L1 L1200-BK
611-PU605-YL200-BK200-BK200-BK619-GN
BKRD
21
CAB TURNSIGNAL7X-6066
CAB HI BEAMHEADLAMP9X-7164
CAB LO BEAMHEADLAMP9X-6874
200-BK605-YL
611-PU200-BK
9-GN00-BK
CIRCUIT GROUPINGDESIGNATION
WARDNENOID074
L#
P
P
P
Q
T
T
SYMBOL
619-
GN
611-
PU
606-
GY
200-
BK
629-
PK
W 101-8200 01 (BEACON-OPEN ROPS) 184 ATCHX 124-1429 00 (HEATER GP) 154 ATCHX 124-1429 00 (CONDITIONER GP-B) 150 ATCHY 110-6986 02 (FUEL TANK) 230Z 101-8185 01 (SUPPLEMENTAL STEERING) 260 ATCHAA 101-8197 01 (HEADLAMP BREAKER) 141 BB 101-8196 01 (LOW BEAM BREAKER-BAR) 142 ATCHCC 101-8190 02 (BLADE FLOOD LAMP) 106 ATCHDD 101-8192 01 (REAR FLOOD LAMP) 205 ATCHEE 112-0829 01 (2-WAY RADIO CONVERTER) 208 ATCHFF 8X-9091 03 (CONDENSER GP-CAB) 151 ATCHGG 9X-4189 01 (CONDENSER GP-ROOFTOP) 152 ATCHHH 101-8193 03 (REAR FLOOD LMP-FUEL TNK) 206 ATCHPP 115-4599 02 (EEC SOCKET) 231 ATCH
NOTECHG
ATCH WIRE, CABLE &COMPONENT
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
LOCATION
HARNESS AS.
PART NO.
2 1
IDENT
BLUEGREEN
BUGN
RDWHORYLPKBK
BLADE, SPADE, RING,OR SCREW TERMINAL
INTERNAL ELECTRICALCONNECTION TO SURFACEOF COMPONENT
ELECTRICAL CONNECTIONTO VEHICLE STRUCTURE
570-BU200-BK
LO BEAMHEADLAMP9X-7169
629-PK200-BK
CONNECTOR
GNGN
12
GNGN
DESCRIPTION
BROWNPURPLEGRAYBLACK
COLORABBREV
PINKYELLOW
12
BLADECUSHIONSOLENOIDS7T-6517
570-BU200-BK
ORANGEWHITERED
BRPUGY
L 101-8164 03 (CAB FUSE & SW PANEL) 180M 101-8160 02 (GAGE CONSOLE) 160P 116-0297 00 (HEADLIGHTS-BAR) 100 ATCHQ 110-7855 01 (LOW BEAMS) 101 ATCHS 101-8181 03 (CAB FUSE PANEL) 183T 106-5524 00 (BLADE CUSHION) 104U 109-7333 01 (XSMN CONSOLE-SWITCHES) 171
A 110-0798 01 (PLATFORM) 120B 110-6931 01 (ENGINE) 220C 110-0546 01 (R FRAME-ENGINE) 200D 109-8945 01 (RADIATOR GRILL) 203E 109-7334 01 (R FRAME-TAIL) 201H 101-8161 02 (CAB-REAR) 182J 109-8827 01 (STEERING CONSOLE) 140K 101-8162 03 (CAB-FRONT) 181
LEVEL
619-GN200-BK
200-BK611-PU
605-YL200-BK
12
RDBK
LO BEAMHEADLAMP9X-7169
HI BEAMHEADLAMP9X-7170
TURNSIGNAL7X-6066
BLADEFLOODLAMP9X-6775
WIRES THAT HAVE BATTERY VOLTAGE WHEN THE KEY SWITCH IS OFF.
WIRES THAT HAVE BATTERY VOLTAGE WHEN THE KEY SWITCH IS ON.
STARTING CIRCUIT.
GAUGE CIRCUIT.
EMS CIRCUIT.
PANEL LAMP CIRCUIT.
WIPER/WASHER CIRCUIT.
HEATER AND AIR CONDITIONER CIRCUIT.
GROUND CIRCUIT.
TURN SIGNAL CIRCUIT.
ENGINE SHUTDOWN CONTROL CIRCUIT.
START AID CIRCUIT.
CIRCUIT IDENTIFICATION LEGEND
DASHED LINES INDICATE ATTACHMENT COMPONENTS,WIRES AND CONNECTORS.
F
E
D
T
T
T
G
TURN LAMP7X-6066
STOP/TAILLAMP8C-6207
RDBK
RDWHBK
TS
L50
12
132
200-BK606-GY614-PU604-OR
606-GY200-BK
604-OR614-PU200-BK
REAR FLOODLAMP9X-6775
200-BK
E
E Y306-GN200-BK
D
D
21
2 1 201-BK
C
2 1
L69 200-BK608-GN
406-PU201-BK
200-BK608-GN
COOLANT SW8N-1693
COOLANT TEMPSWITCH7N-9785
COOLANT TEMPSENDER7N-8532
441-OR
608-GN200-BK
B
B B
311-WHB
L60
L69
L48
L60
L48
HHDD
YHH 1 2
311-WH
201-BK405-GY
200-BK
200-BK-4
311-WH310-PU
12
447-PK200-BK
597-PU
522-WH
201-
BK
201-BK
310-
PU
311-
WH
B
200-
BK
L63
L63 L63
L63
L49
L49
200-BK101-RD
SOCKET AS.9R-7941
PP
PP
5251
200-BK 200-BK
Y
200-BK200-BK
Y
200-BK
201-BK
311-WH
12
B
L
15 14
C
B
A
GNDSTART
POSNEG
T
201-BK405-GY
K-4
11-WH10-PU
12
447-PK200-BK
201-
BK
201-BK
522-WH513-OR
200-BK
Y
200-BK200-BK
Y
201-BK
BK-18BK-18
413-BR
FUELSW9W-3187
21
ENGINEOIL SW9X-0378
BK-18BK-18
START AIDSOLENOID9G-4365
FUEL LEVELSENDER124-0287
PK-18BK-18
12
GNGN
B
BB
L68
L49
L49 L49
L48
L48L48
12
3E-9169 DIODE AS.
12
B
405-GY201-BK
L68
200-BK-10301-BU-10
AIR CONDITIONERCLUTCH SOL101-1759
597-PU441-OR413-BR406-PU
405-GY326-PU
B
B
201-BK
B
B
522-WH
Y
310-PU
302-OR
8
6
C
C
C
200-BK
727-GN462-YL
326-PU522-WH597-PU
406-PU441-OR201-BK
200-BK447-PK608-GN403-GN
310-PU308-YL
405-GY
L68
BK-00BK-00
7
2
L60
L60
L57
L54
L55
L56
1
4
REARFRAME
5
3
5 4 3 1
727-GN
2 3 4 110 7 6 8
302-OR207-BK
311-WH
2
9
105-BR
413-BR
462-YL
L62
L62
311-WH
207-BK302-OR
403-GN
308-YL
308-YL310-PU
201-BK
200-BK447-PK
5
608-GN
105-BR
311-WH
207-BK
311-WH207-BK302-OR
A/C REFRIGERANT SW114-5334NOTE A
L
HBK-18BK-18
12
513-OR597-PU
1 2 3 7 8 6 4 5
1 2
200-BK
121-YL
L56
ARTICULATIONSENDER3E-5383
12V BATTERY9X-9731
604-OR
556-WH122-BU-14
605-YL606-GY614-PU
L57
L54
L55
L56
1/0 ATCH
BEACON9X-9556
BULB9X7849
10409-OR
VV
E
B
200-
BK
307-OR
TTRR
REAR FRAME
2 1
2 1419-YL
201-BK
123-WH
PARK BRAKEPRESS SW3E2033
PARK BRAKESOLENOID7T-9074
GNGN
BK-18
200-BK
BK-18
611-PU619-GN605-YL606-GY
L56
A429-YL200-BK
A507-YL200-BK
RDBK
200-BK603-PK
200-BK504-YL119-PK503-BR505-BU603-PK
A504-GNA507-YL
BLOWER9X-0343
121-YL604-OR
DEFROSTER9X-9657
MOTOR
L67
L37
L37
L37
L61
L61
L41L4
1
L41
L41
L20
L20
122-BU-14
12
RESISTOR7T-4003
12
4
200-BK 200-
BK
200-BK
200-BK200-BK
H
9
VV
A
H
H
H
A
C
HYDRAULIC OILTEMP SW8N-2248
FRONT FRAME
404-YL
201-BK
201-BKA A
123-
WH
L38
L7
L37
L36
L36
L61
2 4 1 5 3
601-GY522-WH200-BK521-YL124-GN
CONN. A
L42
U
200-BK200-BK
WITH 8C-9788 COND. GP.,CONN. A MATES TO CONN. BWITH 8C-9787 HEATER GP.,CONN. A MATES TO CONN. C
CONN. C
GND
PARK B+ GNGYBROR
4 2
3 1
HI
LO
REAR WIPER9X-3392
MOTOR
T
CONN. B
BK
L41
200-BK
RESISTOR9G-1950
35142
200-BK
504-YL119-PK503-BR505-BU
X
THESW3E-5
L41
L41
H
H4 GA STDSTRAP
RESISTOR9G-1950
35142
X
13 12 11
9 8 7 6 5 4 3 2 1
200-BK
200-BK200-BK200-BK
200-
BK
601-GY
601-
GY
605-YL606-GY611-PU619-GN121-YL604-OR
122-BU-14
113-OR113-OR113-OR
BLADECUSHION SW9X-9629
PANEL LAMP(SHIFT LEVER)7N-5876NOTE B
308-
YL
326-
PU
307-
OR
105-
BR
169-
PK
570-
BU
101-
RD
200-BK601-GY
165-
YL
308-
YL
326-
PU
307-
OR
B75
1-B
U
105-
BR
134-
YL
CENTERSHIFTPIN SW3E8823
200-BK
UU
U
UU
U
200-
BK
U
U
601-GY
165-YLB751-BU
601-GY200-BK
570-BU169-PK
200462
32
23
200601
134
10
B751-BU
200-BK
601-GY
L7
L7
L36 L36
L38
L38
L39
L40
L40
L39
L40
L43
L43
SHIFT CONSOLE
T
601-
GY
UE773-YL
6
5
4
1
U
A
U
UU
113-OR
9
U
L63
L63
124-GN521-YL515-GY516-GN517-BU
RESISTOR9G-1950
35142
HEATER GP SC-9787
00-BK
504-YL119-PK503-BR505-BU
X
THERMOSTATSW3E-5464
L41
L41
3 2 1
2 4
W
W
2 110
A60
3-P
K
200-BK
200-
BK
200-
BK
BEACON9X-9556
601-
GY
200-
BK
101-
RD
BE
AC
ON
FU
SE
122-BU-14124-GN
L37
X
BLOWER9X-9363
515-GY200-BK
BLOWER SW6P-3236
BASE7G-9730
PANEL LAMP8D-1429
WH/RD-14BK-14
12
MOTOR
34521
200-BK614-PU
BEACON SW9X-9639
BULB9X-7849
W 3
W
W
2
FUSE HOLDER4K-5122
10A FUSE3K-8782
2 1 3 4 5
1 2
200-BK-14597-BU521-YL
601-GY
122-BU-14
OP
EN
RO
PS
BE
AC
ON
AT
CH
200-BK601-GY
101-RD
521-
YL
200-
BK
601-
GY
522-
WH
STON
OFF
BSC
R
200-BK200-BK
124-
GN
MATE WITH BEACONHARNESS "W"
KEY START SW9G-7641
L20
L63
L38
L7L36
L36
L64
L42
L42
200-
BK
W
W
PLUG AS.4E-8715
BK
A
601-GY
4 3 2 1
STEERING CONSOLE
601-GY
144-GN
U
U
A
3
W
124-GN521-YL515-GY516-GN517-BU
RESISTOR9G-1950
35142
CONDITIONER GP-B SC9788
XX
BLOWER9X-9363
515-GY200-BK
BLOWER SW6P-3236
BASE7G-9730
PANEL LAMP8D-1429
WH/RD-14BK-14
12
MOTOR
34521
200-BK614-PU
1 10
9 8 5
601-GY
601-
GY
112-
PU
-10
101-
RD
-4
165-
Y16
9-
619-GN611-PU606-GY605-YL05-YL
06-GY11-PU19-GN21-YL04-OR
22-BU-14
597-PU522-WH308-YL326-PU
113-OR3-OR
PANEL LAMP(SHIFT LEVER)7N-5876NOTE B
6
7 6 4
592-BU
2 1 3
A513-PK
506-PU578-BU507-WH575-YL577-PU576-PK152-BU
101-RD 5 4 3 2 1 7
601-GY
605-YL606-GY611-PU619-GN
K
K
112-PU-10
10 101-RD-14
570-
410-
WH
201-
BK
S
S
S
S
S
S
112-
PU
112-
PU
112-
PU
112-
PU
112-
PU
727-
GN
462-
YL
B75
1
U
SUPP STERTEST SW9X-9633
U
UU
L22
L62
6 4 5 1
200-BK462-YL
A
A
200-BK601-GY
134-YL727-GN
601-GY
112-PU-10
113-ORA513-PK605-YL606-GY611-PU619-GN
507-WH578-BU506-PU152-BU576-PK577-PU575-YL101-RD
3
592-BU
K
U
410-
WH
201-
BK
1 2
L40
L34
L35
L35
L35
L23
L38
L38
L39
L40
L40
L64
L43L43
L43
101-RD-14
2
L
L63
L63
L5
L5L20
L20
L23
L23 L23
L
L21
L21
L18L18
L18
L7L7 L7
L7
4 8 1 6 3 5 7 2
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
604-
OR
130-
GN
K
K113-OR
119-
PK
REARDEFROST SW9X-9638
FRONTDEFROST SW9X-9638
L
152-
BU
200-
BK
L
119-
PK
LL
200-BK601-GY
144-GN603-PK
3
584-YL
584-YL
4K-5122 HOLDER AS.3K-8782 FUSE
2
200-
BK
200-
BK
118-GY
152-BU
119-PK
141-PK
151-GN
108-BU
144-GN
A503-PK
A506-OR
584-YL
2
151-GN
5
584-YL
34
A504-GN
6
200-BK
141-PK
601-GY
RD
BK
ACTION ALARM9G-9813
BEACON SW9X-9639
101-RD
108-
BU
A50
3-P
KA
506-
OR
152-
BU
UPPER WIPER/WASHER
LOWER WIPER/WASHER
REAR WIPER/WASHER
FRONT DEFROSTER
REAR DEFROSTER
DOME LAMP
BEACON
10A
10A
10A
10A
10A
10A
10A
6
101-
RD
43
200-
BK
6
L34
8
A507-YL
CAB SWITCH AND FUS
601-GY200-BK
1
1
5
2
200-BKA507-YLA504-GN603-PK119-PK505-BU503-BR504-YL
101-RD
7
L
A
H
U
A
2
4
L
3
L
L34
1 5
101-
RD
-10
3-OR
E77
3-Y
L
8 67
GND
PARKB+
HI
LO
MOTOR
T
201-B488-W
605-
YL
619-
GN
611-
PU
200-BK 200-
BK
200-BK
L19L62
7 2 3 6 4 5 1 2 1 9 5 3 4 6 8 710
L22L1
5
L15
L15
L2
L22
200-BK200-BK
605-YL606-GY611-PU
619-GN
511-BR512-GN
500-BR502-OR
BROR
4 2
+-
FRONT UPPERWIPER9X-3392
K
K
K
KK
L
L
L18
L18
L7 L7
L7 L7
L7
L6 L6
L5
L5
LLL
L
L
LL L
L
L
LL L
578-BU
200-BK200-BK200-BK
200-BK
577-PU
576-PK
200-BK605-YL606-GY611-PU200-BK200-BK619-GN
RIGHT SPEAKER6T-7695
200-BK
200-BK575-YL
CABGROUND
506-PU
FRONT LOWERWIPER9X-3392
576-PK152-BU575-YL577-PU
GNGYBROR
4 2
3 1
505-BU
BK
504-YL
119-
PK
152-BU152-BU
152-
BU
119-PK119-PK
503-BR507-WH
119-
PK
118-GY118-GY
118-
GY
118-
GY
601-
GY
200-
BK
Y
U
101-
RD
507-
WH
578-
BU
506-
PU
118-
GY
501-
GN
500-
BR
502-
OR
152-
BU
108-
BU
A50
3-P
KA
506-
OR
152-
BU
576-
PK
575-
YL
577-
PU
119-PK
502-OR
200-
BK
200-
BK
200-
BK
CENTERSHIFTSOLENOID9X-9482
WITCH AND FUSE CONSOLE
FRONT LOWERWIPER SW3T-6655
GNGN
E773-YL200-BK
12
A
FRONT UPPERWIPER SW3T-6655
A
A
A
CCA501-GN
500-BR
119-PK
L
CENTERSHIFTSOLENOID9X-9482
12
B751-BU200-BK
GNGN
200-
BK
200-
BK
200-
BK
L
408-W488-W
REARWIPER SW3T-6655
130604
408-WH201-BK
200-BK
609-YL200-BK
OP
ER
ATO
R S
TAT
ION
12
BLADEFLOODLAMP9X-6775
H
L
B B
P W
H
L
B B
P W
H
L
B B
P W
5 4 3
200-BK200-BK
P
P
1 2
2 1
BRAKE AIR SW3E-2033BK-18
BRAKE AIR SW3E-2033
BK-18201-BK
BK-18
488-WH
K
K
605-
YL
619-
GN
611-
PU
200-
BK
Q
BK-18
L2
L2
K
K
K
A
(STR MTR TO BUSS BAR)(NEG. RIGHT BAT/DISC. SW)(DISCONNECT SW TO GND)(NEG BAT TO POS BAT)(START MTR TO FRAME GND)(GND-R FRAME TO F FRAME)(GND-R FRAME TO F FRAME)(START MTR/STR RELAY)(STEERING MTR TO GND)(STR RELAY TO STR MTR)(GND-F FRAME TO CAB)(POS BAT TO BUSS BAR)(REC AS. TO BUSS BAR & REC AS. TO FRM GND)
STDATCHATCHATCHATCHSTD
210211212213214204204261262263105274275
0000000000000101010002
00
116-9982116-9984116-9983108-35708R-58467G-10608X-9618101-8202101-8204110-79481S-2342116-9981125-2242
QQRRSSTTUUVVVVWWXXYYZZAAADDD
L5
L1L1
CAB TURNSIGNAL7X-6066
CAB HI BEAMHEADLAMP9X-7164
606-GY200-BK
611-PU200-BK
RDBK
200-BK619-GN
12
A
SHIFTD
A
Q
P
P
P
A
NOTE G: WITH 3E-9317 HEADLAMP/TAIL SW.,REMOVE 3E-9319 TAIL LAMP SW.
611-
PU
606-
GY
619-
GN
200-
BK
629-
PK
FILE: 24 80013 257 SCH 00THIS IS THE SCHEMATIC FOR THE 16H NA SERIESMOTOR GRADER
SHIFTD
DD 101 8192 01 (REAR FLOOD LAMP) 205 ATCHEE 112-0829 01 (2-WAY RADIO CONVERTER) 208 ATCHFF 8X-9091 03 (CONDENSER GP-CAB) 151 ATCHGG 9X-4189 01 (CONDENSER GP-ROOFTOP) 152 ATCHHH 101-8193 03 (REAR FLOOD LMP-FUEL TNK) 206 ATCHPP 115-4599 02 (EEC SOCKET) 231 ATCH
CABLE AS.
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAGE
COMPONENTS ARE SHOWN INSTALLED ON A FULLYOPERABLE MACHINE WITH THE KEY AND ENGINE OFFAND XMSN SHIFTER IN NEUTRAL
WIRE AS.
UNLESS OTHERWISE SPECIFIED: ALL WIRES IN A SPLICEARE THE SAME IDENT. NUMBER, COLOR, AND 16 GAGE
606-GY200-BK
LO BEAMHEADLAMP9X-7169
629-PK200-BK
408-WH488-WH
STOP LAMPSW2M-9346
200-BK
NOTE E: POWER LEADS FOR 2-WAY FM COMMUNICATIONRADIO SHOULD BE SIZE 10 AWG
130-GN604-OR
RDBK
12
NOTE B: TERMINAL 3T-3157SPRING 3T-3159SOCKET 3T-3158CONTACT 6D-4161BOOT 3T-3278
LL 9F-4337 07 (START MTR TO ENGINE) 221MM 6T-6962 00 (CONDENSER FAN JUMPER) 153 ATCHNN 8X-1440 03 (HORN SWITCH) 143
619-GN200-BK
611-PU200-BK
LO BEAMHEADLAMP9X-7169
HI BEAMHEADLAMP9X-7170
TURNSIGNAL7X-6066
BLADEFLOODLAMP9X-6775
D27902
2 1
DASHED LINES INDICATE ATTACHMENT COMPONENTS,WIRES AND CONNECTORS.
C
B
A
Alarm - Acti
Alarm - Bac
Alternator (5
Battery
Battery
Breaker - Al
Breaker - He
Breaker - Li
Control - Su
Converter -
Flasher
Fuses
Fuses
Fuses (10A
Gauge - Art
Gauge - Eng
Gauge - Fue
Gauge - Sys
Gauge - Sys
Lamp - Actio
Meter - Serv
Monitor — E
Motor - Blow
Motor - Blow
Motor - Blow
Motor - Blow
Motor - Fron
Motor - Fron
Component Location
ComponentSchematic
Location
Machine
LocationComponent
Schematic
Location
Machine
Location
Alarm - Action B-8 C Solenoid - A/C Clutch A-13 6
Alarm - Backup E-15 1 Solenoid - Differential Unlock E-14 27
Alternator (50A standard) D-14 2 Solenoid - Engine Shutdown D-13 22
Battery A-12 4 Solenoid - Forward Horn F-3 16
Battery E-13 3 Solenoid - Park Brake B-12 16
Breaker - Alternator (60A) D-13 5 Solenoid - Start Aid A-13 18
Breaker - Headlamp (15A) D-10 B Solenoids - Blade Cushion E-2 19
Breaker - Lightbar (15A) D-10 B Solenoids - Centershift B-3 16
Control - Supplement Steer E-13 6 Switch - A/C Refrigeration A-13 6
Converter - Voltage F-10 7 Switch - Backup Alarm F-14 25
Flasher E-10 B Switch - Beacon B-6 C
Fuses D-9 B Switch - Beacon B-10 C
Fuses E-10 B Switch - Blower (A/C group) B-10 C
Fuses (10A) B-6 C Switch - Blower (heater group) A-10 C
Gauge - Articulation F-5 A Switch - Brake Air Pressure A-2 28
Gauge - Engine Coolant Temperature F-5 A Switch - Brake Air Pressure A-2 28
Gauge - Fuel Level E-5 A Switch - Centershift Pin B-9 C
Gauge - System Air Pressure (left side) E-5 A Switch - Cushion Blade B-8 C
Gauge - System Air Pressure (right side) E-5 A Switch - Differential Unlock D-9 B
Lamp - Action E-5 A Switch - Disconnect E-13 13
Meter - Service E-10 B Switch - Engine Coolant Temp (monitor) B-14 25
Monitor — Electronic Monitoring System(EMS) E-6 A Switch - Engine Coolant Temp (start aid) A 14 26
Motor - Blower A-12 E Switch - Engine Oil Pressure C-13 5
Motor - Blower (A/C group) B-10 E Switch - Ether Aid/EMS Test E-8 B
Motor - Blower (heater group) A-10 E Switch - Flood Lamps D-8 B
Motor - Blower/Defroster E-4 E Switch - Forward Horn E-9 B
Motor - Front Lower Washer F-6 8 Switch - Front Defroster A-6 C
Motor - Front Lower Wiper C-4 9 Switch - Front Lower Wiper A-5 C
Wire
Number
Wire
Color
101 RD
102 BU
103 YL
105 BR
108 BU
109 OR
112 PU
113 OR
114 GN
116 BR
118 GY
119 PK
121 YL
122 BU
123 WH
124 GN
130 GN
134 YL
136 GN
141 PK
144 GN
149 PU
151 GN
152 BU
165 YL
169 PK
173 YL
Wire DescriptionWire
ColorDescription
Wire
Number
Wire
ColorDescription
Power Circuits Monitoring Circuits (Continued)
RD BAT (+) (NOT APPLICATION SPECIFIC) 419 YL OPR MON PARKING BRAKE
BU HDLMP 441 OR ENG COOLANT TEMP GAGE
YL AUX CKT 447 PK FUEL LEVEL GAGE
BR KEY SW 462 YL SUPPL STER MOTOR INDICATOR
BU AUX CKT 488 WH AIR SW TO AIR SW JUMPER
OR ALT OUTPUT (+) TERM. A429 YL ARTICULATION INDICATOR
PU MAIN POWER RLY OUTPUT Accessory Circuits
OR OPR MON PANEL B+ SWITCHED 500 BR WIPER - FRONT (PARK)
GN WARNING HORN (FORWARD) 501 GN WIPER - FRONT (LO)
BR AUX CKT 502 OR WIPER - FRONT (HI)
GY AUX CKT 503 BR WIPER - REAR (PARK)
PK AUX CKT 504 YL WIPER REAR (LO)
YL BCKP ALARM TO LAMP 505 BU WIPER - REAR (HI)
BU AUX CKT 506 PU WASHER - FRONT
WH AUX CKT 507 WH WASHER - REAR
GN A/C 508 PU RADIO SPEAKER - LEFT
GN AUX CKT 509 WH RADIO SPEAKER - LEFT (COMMON)
YL AUX CKT 511 BR RADIO SPEAKER - RIGHT
GN SUPPL STER 512 GN RADIO SPEAKER - RIGHT (COMMON)
PK AUX CKT 513 ORA/C COMPRESSOR/REFRIGERANT
PRESS. SW
GN AUX CKT 515 GY BLOWER MOTOR (HI)
PU AUX CKT 516 GN BLOWER MOTOR (MEDIUM)
GN AUX CKT 517 BU BLOWER MOTOR (LO)
BU AUX CKT 521 YL A/C SW TO REFRIGERANT SW
YL AUX CKT 522 WH A/C CLUTCH TO THERMOSTAT SW
PK AUX CKT 556 WH DIFFERENTIAL LOCK
YL AUX CKT 570 BU BLADE CUSHION SOL
Ground Circuits 575 YL WIPER AUX (PARK)
16H
ElectricMotor G
Part No.
2M-9346 Stop Lamp Pres
3E-2033 Brake/Park Brak
7N-9785 Engine Coolant
8N-1693 Engine Coolant
8N-2248 Hydraulic Oil Te
8T-8640 Primary Steering
9W-3187 Fuel Pressure
9X-0378 Engine Oil Pres
114-5334 Refrigerant Pres
² Contact position at the contacts
¹ A hysteresis band exists: with in
pressure the closed condition c
SENR6934-01June 1995
trical Systemr Grader (NA Version)
Off Machine Switch SpecificationFunction Actuate Deactuate Contact Position
p Lamp Pressure45.0 kPa Max
(6.5 psi Max)
5.0 kPa MIN
(0.5 psi MIN)Normally Open
ke/Park Brake Air Pressure640 kPa MAX
(92.0 psi MAX)
530 ± 40 kPa
(77.0 ± 6.0 psi)Normally Open
ine Coolant Temp (EMS)107.2 ± 2.8°C
(225 ± 5°F)
91.0°C MIN
(196°F MIN)Normally Closed
ine Coolant Temp (start aid)37.8 ± 2.8°C
(100 ± 5°F)
26.7°C MIN
(80.0°F MIN)Normally Closed
raulic Oil Temperature101.7°C MIN
(215°F MIN)
93.3°C MIN
(200°F MIN)Normally Closed
mary Steering Pressure1206 kPa MAX
(175 psi MAX)
700 ± 50 kPa
(100 ± 7 psi)Normally Closed
l Pressure93.0 ± 20.8 kPa
(13.5 ± 3.0 psi)
69 ± 21 kPa
(10 ± 3 psi)Normally Closed
ine Oil Pressure62.0 kPa MAX
(9.0 psi MAX)
38 ± 20 kPa
(5.5 ± 3.0 psi)Normally Open
rigerant Pressure (A/C)275 to 1750 kPa¹
(40 to 255 psi)— Normally Open ²
the contacts of the harness connector.
exists: with increasing pressure the closed condition can be maintained up to 2800 kPa (405 psi), with decreasing
d condition can be maintained down to 170 kPa (25 psi).
Motor - Blow
Motor - Fron
Motor - Fron
Motor - Fron
Motor - Fron
Motor - Rea
Motor - Rea
Motor - Star
Motor - Sup
Relay - Main
Relay - Star
Relay - Sup
Resistor - A
Resistor —
Resistor - B
Resistor - B
Resistor - B
Resistor - P
Resistor —
Sender - Art
Sender - En
Sender - Fu
Machine locati
A = Operator’s
B = Operator’s
C = Operator’s
D = Operator’s
E = Operator’s
Conne
20 Con
10 Con
9 Cont
8 Cont
( g p) p
Motor - Blower/Defroster E-4 E Switch - Forward Horn E-9 B
Motor - Front Lower Washer F-6 8 Switch - Front Defroster A-6 C
Motor - Front Lower Wiper C-4 9 Switch - Front Lower Wiper A-5 C
Motor - Front Upper Washer F-6 8 Switch - Front Upper Wiper B-5 C
Motor - Front Upper Wiper D-4 D Switch - Fuel Pressure B-13 24
Motor - Rear Washer F-6 8 Switch - Head/Tail Lamp E-8 B
Motor - Rear Wiper E-11 D Switch - Headlamp Dimmer D-9 B
Motor - Starter E-12 22 Switch - Hydraulic Oil Temperature C-12 20
Motor - Supplemental Steer F-13 8 Switch - Key Start B-9 C
Relay - Main D-14 5 Switch - Light Bar Low Beam E-8 B
Relay - Start D-13 5 Switch - Neutral Start E-14 25
Relay - Supplemental Steer F-13 6 Switch - Panel Lamp Dimmer E-9 B
Resistor - Air Dryer F-14 18 Switch - Park Brake Pressure B-12 23
Resistor — Blower Speed A-12 E Switch - Primary Steer F-10 21
Resistor - Blower Speed E-4 E Switch - Rear Defroster B-6 C
Resistor - Blower Speed (A/C group) B-11 E Switch - Rear Wiper A-5 C
Resistor - Blower Speed (heater group) A-11 E Switch - Stop Lamp Pressure A-2 28
Resistor - Panel Lamp Dimmer E-9 B Switch - Supplemental Steer Test B-8 C
Resistor — Starter/Diagnostic E-13 22 Switch - Tail Lamp D-8 B
Sender - Articulation C-12 7 Switch - Thermostat (A/C group) B-11 C
Sender - Engine Coolant Temp (gauge) A-14 15 Switch - Turn Signal D-9 B
Sender - Fuel Level A-13 12
achine locations are repeated for components located close together.
= Operator’s compartment (Dash).
= Operator’s compartment (Steering console).
= Operator’s compartment (Right side console).
= Operator’s compartment (Headliner).
= Operator’s compartment (Under seat).
Harness Connector Location
ConnectorMachine
Location
Harness And/Or
Components
Schematic
LocationConnector
Machine
Location
Harness And/Or
Components
Schematic
Location
Y - 110-6986
Diagnostic ConnectorE-14 *
K - 101-8162
RadioF-11
*M - 101-8160
Monitor (EMS)E-6
H - 101-8161
L - 101-8164A-6
A - 110-0798
E - 109-7334B-12
A - 110-0798
J - 109-8827D-8
A - 110-0798
J - 109-8827E-9
A - 110-0798
K - 101-8162C-6
A-110-0798
K - 101-8162C-6
C - 101-0546
Z - 101-8185F-12
A - 110-0798
M - 101-8160E-6
K - 101-8162
L - 101-8164C-5
A - 110-0798
U - 109-7333B-9
D - 109-8945
E - 109-7334F-14
C - 110-0546
Y - 110-6986B-13 *
A - 110-0798
Voltage ConverterF-10
K - 101-8162
L -101-8164C-5
A - 110-0798
J - 109-8827D-8
A - 110-0798
J - 109-8827D-10
A - 110-0798
M - 101-8160E-6
A - 110-0798
M - 101-8160
M - 101-8160
E-6A - 110-0798
A - 110-0798
P - 116-0297F-3
*Gauge Cluster
F-6U - 109-7333
B-9
*Z - 101-8185
Supplemental SteeringE-13 *
U - 109-7333
AC/Heater UnitA-11
A - 110-0798
C - 110-0546F-12 *
A-110-0798
Front Lower WiperC-4
A - 110-0798
C - 110-0546E-12 *
E - 109-7334
Backup AlarmF-14
A - 110-0798
C - 110-0546D-12 *
H - 101-8161
Rear WiperC-11
4 Contacts
8 Contacts
(Cont’d.)
7 Contacts
6 Contacts
5 Contacts
20 Contacts
10 Contacts
9 Contacts
8 Contacts
2
8
6
3
2
2
2
6
3
2
6
9
10
3
4
2
2
1
7
3
2
3
4
165 YL
169 PK
173 YL
200 BK
201 BK
203 BK
207 BK
301 BU
302 OR
304 WH
306 GN
307 OR
308 YL
310 PU
311 WH
322 GY
326 PU
403 GN
404 YL
405 GY
406 PU
408 WH
409 OR
410 WH
411 PK
413 BR
415 GN
417 GY
1
5810
4
5
12
1413
1
2
118
22
25
26
YL AUX CKT 522 WH A/C CLUTCH TO THERMOSTAT SW
PK AUX CKT 556 WH DIFFERENTIAL LOCK
YL AUX CKT 570 BU BLADE CUSHION SOL
Ground Circuits 575 YL WIPER - AUX (PARK)
BK MAIN CHASSIS 576 PK WIPER - AUX (LO)
BK OPR MON PANEL 577 PU WIPER - AUX (HI)
BK CHASSIS DIAGNOSTIC 578 BU WASHER - AUX
BK STARTER DIAGNOSTIC 584 YL WIPER SW JUMPER
Basic Machine Circuits 592 BU DC/DC CONVERTER POWER OUTPUT
BU STARTER NO. 1 SOL 597 PU A/C HI PRESS. SW TO LOW PRESS.SW
OR STARTER NO. 1 RESISTOR TO DIAGNOSTIC A503 PK FRONT DEFROSTER FAN (LO)
WH STARTER RLY NO. 1 OUTPUT A504 GN REAR DEFROSTER FAN (LO)
GNSTARTER RLY COIL TO NEUT START SW
OR KEY SWA506 OR FRONT DEFROSTER FAN (HI)
ORKEY SW TO NEUT START SW OR VMIS
SENSOR MODULEA507 YL REAR DEFROSTER FAN (HI)
YL MAIN POWER RLY COIL A513 PK DC/DC CONVERTER MEMORY OUTPUT
PU START AID SW TO START AID SOL Lighting Circuits
WH START AID SOL TO TEMP SW 601 GY DASH LAMP HI
GY WARNING HORN (FORWARD) 603 PK ROTARY BEACON
PU KEY SW “C” TERM. 604 OR STOP LAMP
Monitoring Circuits 605 YL TURN LAMP - LEFT
GN ALTERNATOR (R) TERM. 606 GY TURN LAMP - RIGHT
YL OPR MON HYD OIL TEMP 608 GN FLOOD LAMP - REAR
GY OPR MON OIL PRESS. (LO SETTING) 609 YL FLOOD LAMP - SIDE
PU OPR MON COOLANT TEMP 611 PU HEAD LAMP HI
WH OPR MON SYSTEM AIR PRESS. 614 PU PARK/TAIL/DASH LAMP
OR OPR MON NEUT 619 GN HEAD LAMP LO
WH OPR MON FAULT ALARM 629 PK AUX HEAD LAMP
PK OPR MON MASTER FAULT LAMP Control Circuits
BR OPR MON FUEL PRESS. 727 GN SUPPL STER MOTOR RELAY
GN OPR MON TEST SW 728 BU SUPPL STER CONT SW
GY PRIMARY STER SW E773 YL CENTER SHIFT SOL - PUSH
A
1
2
3
4
67
8 9
3
4
5
6
8
9
1011
15
13
16
B
C
DE
17
19
20
21
22
23
24
25
26 27
7
610D
PrS
Electric
6ZJ-UP
Motor G
Part No.
7T-4003
9G-1950
3T-3123
6T-2217
101-1759
7T-6517
9X-9482
7T-9073
3E-7985
7T-9074
9G-4365
¹ At room temperature unless
T
Normally open switch that will close with an increase of a specific condition (temp-press-etc.).
Normally open switch that is closed due to an applied condition, and will open again with aspecific decrease in that condition.
Normally closed switch that will open with an increase of a specific condition.
Normally closed switch that is open due to an applied condition, and will close againwith a specific decrease in that condition.
Electrical Schematic Symbols And Definitions
PressureSymbol
TemperatureSymbol
LevelSymbol
FlowSymbol
A AA
2
C
Ha
Pin
Pin or SocketNumber
Plug Re
1
trical Systemr Grader (NA Version)
©1995 Caterpillar
All Rights Reserved
Resistor, Sender and Solenoid Specificationso. Component Description Resistance (Ohms)¹
3 Resistor - Blower Speed 10.0 ± 0.5
0 Resistor - Blower SpeedOverall 2.00 ± .10
Tap 1.00 ± .05
3 Resistor - Panel Dimmer 25.0 ± .3
7 Resistor - Starter/Diagnostic Conn 150.0 ± 7.5
9 Solenoid - A/C Clutch 14.4 ± 0.6
7 Solenoid - Blade Cushion 20.1 ± 1.0
2 Solenoid - Centershift 68
3 Solenoid - Differential Unlock 33.6 ± 1.0
5 Solenoid - Engine ShutdownStart (Latch) 1.55 ± 0.15
Stop (Unlatch) 10.30 ± 1.03
4 Solenoid - Forward Horn 55.17 ± 5.77
5 Solenoid - Start Aid 6.0
ature unless otherwise noted.
AA
A AA
1
2
325-PK-14
C A
325-PK-14
200-BK-14
Harness And Wire Electrical Schematic Symbols
SocketPin
Socketer
Wire, Cable, or HarnessAssembly Identification
Single WireConnector
Circuit NumberIdentification
WireGauge
WireColor
Receptacle
9X-1123
ComponentPart Number
1 1
2 2
Typical representation of aSure-Seal connector. Theplugand receptacle containboth pins and sockets.
Typical representation of aDeutsch connector. Theplug contains all socketsand the receptacle containsall pins.
ar
rved
Printed in U.S.A.
Machine loc
* = Connect
8 Cont
A - 110-0798
C - 110-0546E-12 *
E - 109-7334
Backup AlarmF-14
A - 110-0798
C - 110-0546D-12 *
H - 101-8161
Rear WiperC-11
A - 110-0798
U - 109-7333B-8 *
K - 101-8162
Front Upper WiperD-4
B - 110-6931
C -110-0546B-13
Machine locations are repeated for connectors located close together.
* = Connector is located at the component.
4 Contacts
8 Contacts
4
2
2
8
1
5
810
5
12
14
13
1 2
18
22
25
MACHINE H
A
1
2
3
4
5
6
789
345
6
8
9
10
1112
15
1316
B
C
D
E
2
17
19
20
21
22
23
24
25 26
27
28
7
NE HARNESS CONNECTOR AND COMPONENT LOCATIONS
Normally closed switch that is open due to an applied condition, and will close againwith a specific decrease in that condition.
The circle indicates that the component has screw terminals and a wire can be disconnectedfrom it.
No circle indicates that the wire cannot be disconnected from the component.
This indicates that the component has a wire connected to it that is connected to ground.
This indicates that the component does not have a wire connected to ground. It is groundedby being fastened to the machine.
T
Matt
FUSE - A component in an electrical circuit that will open the circuit if too much current flowsthrough it.
REED SWITCH - A switch whose contacts are controlled by a magnet. A magnet closes thecontacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.
SENDER - A component that is used with a temperature or pressure gauge. The sendermeasures the temperature or pressure. Its resistance changes to give an indication to thegauge of the temperature or pressure.
RELAY (Magnetic Switch) - A relay is an electrical component that is activated by electricity.It has a coil that makes an electromagnet when current flows through it. The electromagnetcan open or close the switch part of the relay.
CIRCUIT BREAKER (C/B) - A component in an electrical circuit that will open the circuit if toomuch current flows through it. This does not destroy the circuit breaker and it can be reset tobecome part of the circuit again.
SOLENOID - A solenoid is an electrical component that is activated by electricity. It has a coilthat makes an electromagnet when current flows through it. The electromagnet can open orclose a valve or move a piece of metal that can do work.
Circuit NumberIdentification
WireGauge
Electrical Schematic Symbols And Definitions
MAGNETIC LATCH SOLENOID - A magnetic latch solenoid is an electrical component that isactivated by electricity and held latch by a permanent magnet. It has two coils (latch and unlatch)that make electromagnet when current flows through them. It also has an internal switch that placesthe latch coil circuit open at the time the coil latches.
Component LocationComponent Schematic
LocationMachine Location Component Schematic
LocationMachine Location
Alarm - Action B-8 C Solenoid - A/C Clutch A-13 6
Alarm - Backup E-15 1 Solenoid - Differential Unlock E-14 27
Alternator (50A standard) D-14 2 Solenoid - Engine Shutdown D-13 22
Battery A-12 4 Solenoid - Forward Horn F-3 16
Battery E-13 3 Solenoid - Park Brake B-12 16
Breaker - Alternator (60A) D-13 5 Solenoid - Start Aid A-13 18
Breaker - Headlamp (15A) D-10 B Solenoids - Blade Cushion E-2 19
Breaker - Lightbar (15A) D-10 B Solenoids - Centershift B-3 16
Control - Supplement Steer E-13 6 Switch - A/C Refrigeration A-13 6
Converter - Voltage F-10 7 Switch - Backup Alarm F-14 25
Flasher E-10 B Switch - Beacon B-6 C
Fuses D-9 B Switch - Beacon B-10 C
Fuses E-10 B Switch - Blower (A/C group) B-10 C
Fuses (10A) B-6 C Switch - Blower (heater group) A-10 C
Gauge - Articulation F-5 A Switch - Brake Air Pressure A-2 28
Gauge - Engine Coolant Temperature F-5 A Switch - Brake Air Pressure A-2 28
Gauge - Fuel Level E-5 A Switch - Centershift Pin B-9 C
Gauge - System Air Pressure (left side) E-5 A Switch - Cushion Blade B-8 C
Gauge - System Air Pressure (right side) E-5 A Switch - Differential Unlock D-9 B
Lamp - Action E-5 A Switch - Disconnect E-13 13
Meter - Service E-10 B Switch - Engine Coolant Temp (monitor) B-14 25
Monitor — Electronic Monitoring System(EMS) E-6 A Switch - Engine Coolant Temp (start aid) A 14 26
Motor - Blower A-12 E Switch - Engine Oil Pressure C-13 5
Motor - Blower (A/C group) B-10 E Switch - Ether Aid/EMS Test E-8 B
Motor - Blower (heater group) A-10 E Switch - Flood Lamps D-8 B
Motor - Blower/Defroster E-4 E Switch - Forward Horn E-9 B
Motor - Front Lower Washer F-6 8 Switch - Front Defroster A-6 C
Motor - Front Lower Wiper C-4 9 Switch - Front Lower Wiper A-5 C
Motor - Front Upper Washer F-6 8 Switch - Front Upper Wiper B-5 C
Motor - Front Upper Wiper D-4 D Switch - Fuel Pressure B-13 24
Motor - Rear Washer F-6 8 Switch - Head/Tail Lamp E-8 B
Motor - Rear Wiper E-11 D Switch - Headlamp Dimmer D-9 B
Motor - Starter E-12 22 Switch - Hydraulic Oil Temperature C-12 20
Motor - Supplemental Steer F-13 8 Switch - Key Start B-9 C
Relay - Main D-14 5 Switch - Light Bar Low Beam E-8 B
Relay - Start D-13 5 Switch - Neutral Start E-14 25
Relay - Supplemental Steer F-13 6 Switch - Panel Lamp Dimmer E-9 B
Resistor - Air Dryer F-14 18 Switch - Park Brake Pressure B-12 23
Resistor — Blower Speed A-12 E Switch - Primary Steer F-10 21
Resistor - Blower Speed E-4 E Switch - Rear Defroster B-6 C
Resistor - Blower Speed (A/C group) B-11 E Switch - Rear Wiper A-5 C
Resistor - Blower Speed (heater group) A-11 E Switch - Stop Lamp Pressure A-2 28
Resistor - Panel Lamp Dimmer E-9 B Switch - Supplemental Steer Test B-8 C
Resistor — Starter/Diagnostic E-13 22 Switch - Tail Lamp D-8 B
Sender - Articulation C-12 7 Switch - Thermostat (A/C group) B-11 C
Sender - Engine Coolant Temp (gauge) A-14 15 Switch - Turn Signal D-9 B
Sender - Fuel Level A-13 12
Machine locations are repeated for components located close together.
A = Operator’s compartment (Dash).B = Operator’s compartment (Steering console).
C = Operator’s compartment (Right side console).
D = Operator’s compartment (Headliner).
E = Operator’s compartment (Under seat).
Harness Connector Location
Connector Machine Location
Harness And/OrComponents
Schematic Location Connector Machine
LocationHarness And/Or
ComponentsSchematic Location
Y - 110-6986Diagnostic Connector E-14 *
K - 101-8162Radio F-11
*M - 101-8160 Monitor (EMS) E-6
H - 101-8161L - 101-8164 A-6
A - 110-0798 E - 109-7334 B-12
A - 110-0798 J - 109-8827 D-8
A - 110-0798 J - 109-8827 E-9
A - 110-0798 K - 101-8162 C-6
A-110-0798 K - 101-8162 C-6
C - 101-0546 Z - 101-8185 F-12
A - 110-0798 M - 101-8160 E-6
K - 101-8162 L - 101-8164 C-5
A - 110-0798 U - 109-7333 B-9
D - 109-8945 E - 109-7334 F-14
C - 110-0546 Y - 110-6986 B-13 *
A - 110-0798Voltage Converter F-10
K - 101-8162 L -101-8164 C-5
A - 110-0798 J - 109-8827 D-8
A - 110-0798 J - 109-8827 D-10
A - 110-0798M - 101-8160 E-6
A - 110-0798 M - 101-8160M - 101-8160
E-6A - 110-0798
A - 110-0798 P - 116-0297 F-3
* Gauge Cluster F-6 U - 109-7333 B-9
*Z - 101-8185Supplemental Steering E-13 *
U - 109-7333 AC/Heater Unit A-11
A - 110-0798 C - 110-0546 F-12 *
A-110-0798 Front Lower Wiper C-4
A - 110-0798 C - 110-0546 E-12 *
E - 109-7334Backup Alarm F-14
A - 110-0798 C - 110-0546 D-12 *
H - 101-8161Rear Wiper C-11
A - 110-0798 U - 109-7333 B-8 *
K - 101-8162 Front Upper Wiper D-4
B - 110-6931C -110-0546 B-13
Machine locations are repeated for connectors located close together.* = Connector is located at the component.
4 Contacts
8 Contacts(Cont’d.)
7 Contacts
6 Contacts
5 Contacts
20 Contacts
10 Contacts
9 Contacts
8 Contacts
2
8
6
3
4
2
2
2
6
3
2
6
9
10
3
4
2
2
8
1
7
3
2
3
4
Resistor, Sender and Solenoid SpecificationsPart No. Component Description Resistance (Ohms)¹7T-4003 Resistor - Blower Speed 10.0 ± 0.5
9G-1950 Resistor - Blower Speed Overall 2.00 ± .10Tap 1.00 ± .05
3T-3123 Resistor - Panel Dimmer 25.0 ± .36T-2217 Resistor - Starter/Diagnostic Conn 150.0 ± 7.5
101-1759 Solenoid - A/C Clutch 14.4 ± 0.67T-6517 Solenoid - Blade Cushion 20.1 ± 1.09X-9482 Solenoid - Centershift 687T-9073 Solenoid - Differential Unlock 33.6 ± 1.0
3E-7985 Solenoid - Engine Shutdown Start (Latch) 1.55 ± 0.15Stop (Unlatch) 10.30 ± 1.03
7T-9074 Solenoid - Forward Horn 55.17 ± 5.779G-4365 Solenoid - Start Aid 6.0
¹ At room temperature unless otherwise noted.
Off Machine Switch SpecificationPart No. Function Actuate Deactuate Contact Position
2M-9346 Stop Lamp Pressure 45.0 kPa Max(6.5 psi Max)
5.0 kPa MIN(0.5 psi MIN) Normally Open
3E-2033 Brake/Park Brake Air Pressure 640 kPa MAX(92.0 psi MAX)
530 ± 40 kPa(77.0 ± 6.0 psi) Normally Open
7N-9785 Engine Coolant Temp (EMS) 107.2 ± 2.8°C(225 ± 5°F)
91.0°C MIN(196°F MIN) Normally Closed
8N-1693 Engine Coolant Temp (start aid) 37.8 ± 2.8°C(100 ± 5°F)
26.7°C MIN(80.0°F MIN) Normally Closed
8N-2248 Hydraulic Oil Temperature 101.7°C MIN(215°F MIN)
93.3°C MIN(200°F MIN) Normally Closed
8T-8640 Primary Steering Pressure 1206 kPa MAX(175 psi MAX)
700 ± 50 kPa(100 ± 7 psi) Normally Closed
9W-3187 Fuel Pressure 93.0 ± 20.8 kPa(13.5 ± 3.0 psi)
69 ± 21 kPa(10 ± 3 psi) Normally Closed
9X-0378 Engine Oil Pressure 62.0 kPa MAX(9.0 psi MAX)
38 ± 20 kPa(5.5 ± 3.0 psi) Normally Open
114-5334 Refrigerant Pressure (A/C) 275 to 1750 kPa¹(40 to 255 psi) — Normally Open ²
² Contact position at the contacts of the harness connector.
¹ A hysteresis band exists: with increasing pressure the closed condition can be maintained up to 2800 kPa (405 psi), with decreasing pressure the closed condition can be maintained down to 170 kPa (25 psi).
Wire DescriptionWire
NumberWire Color Description Wire
NumberWire Color Description
Power Circuits Monitoring Circuits (Continued)
101 RD BAT (+) (NOT APPLICATION SPECIFIC) 419 YL OPR MON PARKING BRAKE
102 BU HDLMP 441 OR ENG COOLANT TEMP GAGE
103 YL AUX CKT 447 PK FUEL LEVEL GAGE
105 BR KEY SW 462 YL SUPPL STER MOTOR INDICATOR
108 BU AUX CKT 488 WH AIR SW TO AIR SW JUMPER
109 OR ALT OUTPUT (+) TERM. A429 YL ARTICULATION INDICATOR
112 PU MAIN POWER RLY OUTPUT Accessory Circuits
113 OR OPR MON PANEL B+ SWITCHED 500 BR WIPER - FRONT (PARK)
114 GN WARNING HORN (FORWARD) 501 GN WIPER - FRONT (LO)
116 BR AUX CKT 502 OR WIPER - FRONT (HI)
118 GY AUX CKT 503 BR WIPER - REAR (PARK)
119 PK AUX CKT 504 YL WIPER REAR (LO)
121 YL BCKP ALARM TO LAMP 505 BU WIPER - REAR (HI)
122 BU AUX CKT 506 PU WASHER - FRONT
123 WH AUX CKT 507 WH WASHER - REAR
124 GN A/C 508 PU RADIO SPEAKER - LEFT
130 GN AUX CKT 509 WH RADIO SPEAKER - LEFT (COMMON)
134 YL AUX CKT 511 BR RADIO SPEAKER - RIGHT
136 GN SUPPL STER 512 GN RADIO SPEAKER - RIGHT (COMMON)
141 PK AUX CKT 513 OR A/C COMPRESSOR/REFRIGERANT PRESS. SW
144 GN AUX CKT 515 GY BLOWER MOTOR (HI)
149 PU AUX CKT 516 GN BLOWER MOTOR (MEDIUM)
151 GN AUX CKT 517 BU BLOWER MOTOR (LO)
152 BU AUX CKT 521 YL A/C SW TO REFRIGERANT SW
165 YL AUX CKT 522 WH A/C CLUTCH TO THERMOSTAT SW
169 PK AUX CKT 556 WH DIFFERENTIAL LOCK
173 YL AUX CKT 570 BU BLADE CUSHION SOL
Ground Circuits 575 YL WIPER - AUX (PARK)
200 BK MAIN CHASSIS 576 PK WIPER - AUX (LO)
201 BK OPR MON PANEL 577 PU WIPER - AUX (HI)
203 BK CHASSIS DIAGNOSTIC 578 BU WASHER - AUX
207 BK STARTER DIAGNOSTIC 584 YL WIPER SW JUMPER
Basic Machine Circuits 592 BU DC/DC CONVERTER POWER OUTPUT
301 BU STARTER NO. 1 SOL 597 PU A/C HI PRESS. SW TO LOW PRESS.SW
302 OR STARTER NO. 1 RESISTOR TO DIAGNOSTIC A503 PK FRONT DEFROSTER FAN (LO)
304 WH STARTER RLY NO. 1 OUTPUT A504 GN REAR DEFROSTER FAN (LO)
306 GN STARTER RLY COIL TO NEUT START SW OR KEY SW
A506 OR FRONT DEFROSTER FAN (HI)
307 OR KEY SW TO NEUT START SW OR VMIS SENSOR MODULE
A507 YL REAR DEFROSTER FAN (HI)
308 YL MAIN POWER RLY COIL A513 PK DC/DC CONVERTER MEMORY OUTPUT
310 PU START AID SW TO START AID SOL Lighting Circuits
311 WH START AID SOL TO TEMP SW 601 GY DASH LAMP HI
322 GY WARNING HORN (FORWARD) 603 PK ROTARY BEACON
326 PU KEY SW “C” TERM. 604 OR STOP LAMP
Monitoring Circuits 605 YL TURN LAMP - LEFT
403 GN ALTERNATOR (R) TERM. 606 GY TURN LAMP - RIGHT
404 YL OPR MON HYD OIL TEMP 608 GN FLOOD LAMP - REAR
405 GY OPR MON OIL PRESS. (LO SETTING) 609 YL FLOOD LAMP - SIDE
406 PU OPR MON COOLANT TEMP 611 PU HEAD LAMP HI
408 WH OPR MON SYSTEM AIR PRESS. 614 PU PARK/TAIL/DASH LAMP
409 OR OPR MON NEUT 619 GN HEAD LAMP LO
410 WH OPR MON FAULT ALARM 629 PK AUX HEAD LAMP
411 PK OPR MON MASTER FAULT LAMP Control Circuits
413 BR OPR MON FUEL PRESS. 727 GN SUPPL STER MOTOR RELAY
415 GN OPR MON TEST SW 728 BU SUPPL STER CONT SW
417 GY PRIMARY STER SW E773 YL CENTER SHIFT SOL - PUSH
A
1
2
3
4
5
67
8 910
3
4
5
6
8
9
1011
12
14
15
13
16
B
C
DE1
2
1718
19
20
2122
23
24
25
26 27
7
A
1
2
3
4
5
6
789
10 345
6
8
9
10
1112
14
15
1316
B
C
D
E
1 2
17
1819
2021
22
23
24
25 26
2728
7
MACHINE HARNESS CONNECTOR AND COMPONENT LOCATIONS
T
Normally open switch that will close with an increase of a specific condition (temp-press-etc.).
Normally open switch that is closed due to an applied condition, and will open again with a specific decrease in that condition.
Normally closed switch that will open with an increase of a specific condition.
Normally closed switch that is open due to an applied condition, and will close again with a specific decrease in that condition.
The circle indicates that the component has screw terminals and a wire can be disconnected from it.
No circle indicates that the wire cannot be disconnected from the component.
This indicates that the component has a wire connected to it that is connected to ground.
This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the machine.
Electrical Schematic Symbols And Definitions
PressureSymbol
TemperatureSymbol
LevelSymbol
FlowSymbol
A AA
2
A AA1
2
325-PK-14C A
325-PK-14
200-BK-14
T
FUSE - A component in an electrical circuit that will open the circuit if too much current flows through it.
REED SWITCH - A switch whose contacts are controlled by a magnet. A magnet closes the contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.
SENDER - A component that is used with a temperature or pressure gauge. The sender measures the temperature or pressure. Its resistance changes to give an indication to the gauge of the temperature or pressure.
RELAY (Magnetic Switch) - A relay is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close the switch part of the relay.
CIRCUIT BREAKER (C/B) - A component in an electrical circuit that will open the circuit if too much current flows through it. This does not destroy the circuit breaker and it can be reset to become part of the circuit again.
SOLENOID - A solenoid is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when current flows through it. The electromagnet can open or close a valve or move a piece of metal that can do work.
Harness And Wire Electrical Schematic Symbols
SocketPin
Pin or Socket Number
Wire, Cable, or Harness Assembly Identification
Single Wire Connector
Circuit Number Identification
Wire Gauge
WireColor
Plug Receptacle
9X-1123
Component Part Number
Electrical Schematic Symbols And Definitions
11 12 2
Typical representation of a Sure-Seal connector. The plugand receptacle contain both pins and sockets.
Typical representation of a Deutsch connector. The plug contains all sockets and the receptacle contains all pins.
MAGNETIC LATCH SOLENOID - A magnetic latch solenoid is an electrical component that is activated by electricity and held latch by a permanent magnet. It has two coils (latch and unlatch)that make electromagnet when current flows through them. It also has an internal switch that places the latch coil circuit open at the time the coil latches.
SENR6934-01June 1995
16H
Electrical System
6ZJ-UP
Motor Grader (NA Version)
©1995 CaterpillarAll Rights Reserved
Printed in U.S.A.
GND
PARKB+
HI
LO
MOTOR
T
1
34
6
5 1
200-
BK
200-
BK
200-BK200-BK
4 3
9 8
9 8 7 6 5 4
7
3 2 1
6
1 2
2
2
1 6
5
5 4 2 3
4 3 2
1
165-YL
165-
YL
165-
YL
601-GY
601-GY
J
J
J
J
J
JJ
J
J
J
J
J
J
J
J
JJ
J
JJ
J
J
J
J
J
J
1
J J
619-
GN
619-
GN
614-
PU
614-
PU
609-YL
200-BK
601-GY
601-GY
200-BK
200-BK
200-BK
601-GY200-BK200-BK
200-BK
165-YL3
2
A429-YL
L30
L35
L65L12
9 8 5
200-BK200-BK200-BK
200-
BK
601-GY
601-GY
601-
GY
112-
PU
-10
101-
RD
-4
601-
GY
165-
YL
169-
PK
619-GN611-PU606-GY605-YL605-YL
606-GY611-PU619-GN121-YL604-OR
122-BU-14
597-PU522-WH308-YL326-PU
409-OR
113-OR113-OR113-OR
605-YL606-GY
310-PU608-GN614-PU605-YL605-YL
200-BK
BLADECUSHION SW9X-9629
PANEL LAMP(SHIFT LEVER)7N-5876NOTE B
165-YL121-YL608-GN609-YL
614-PU
200-BK601-GY
629-PK
614-PU
115-PK
103-YL
1
200-BK3601-GY
200-BK601-GY
415-GN
308-YL
6
7
201-BK
6 4
592-BU
2 1 3
A513-PK
506-PU578-BU507-WH575-YL577-PU576-PK152-BU
101-RD 5 4 3 2 1 7
601-GY
605-YL606-GY611-PU619-GN
308-
YL
326-
PU
307-
OR
105-
BR
169-
PK
614-PU
570-
BU
169-PK
200-BK
629-PK415-GN201-BK
K
K
L16L13
112-PU-10
P
P
200-
BK
200-BK
310-PU
10
200-BK
1 2
101-RD-14
619-
GN
2 1
BRAKE AIR SW3E-2033BK-18
BRAKE AIR SW3E-2033
BK-18201-BK
BK-18
619-GN
606-GY
611-PU
611-PU619-GN
310-PU
101-
RD
570-
BU
410-
WH
201-
BK
S
S
S
A429-YL
S
S
S
112-
PU
112-
PU
112-
PU
112-
PU
112-
PU
488-WH
K
K
605-
YL
619-
GN
611-
PU
200-BK
727-
GN
CONN B
CONN A
NOTE: WITH SUPPLEMENTALSTEERING SWITCH CONN'SA&B
417-GY
462-
YL
611-
PU
P
200-BK
P
601-GY
600-BR
200-
BK
165-
YL
308-
YL
B75
1-B
U
326-
PU
K
K
200-BK
307-
OR
B75
1-B
U
105-
BR
134-
YL
570-
BU
Q
417-GY
BK-18
200-BK
629-PK
U
CENTERSHIFTPIN SW3E8823
SUPP STERTEST SW9X-9633
U
UU
200-BK
UU
U
UU
U
200-
BK
Q
U
200-
BK
U
113-
OR
601-GY
165-YLB751-BU
601-GY200-BK
116-BR
A51
3-P
K20
0-B
K51
2-G
N51
1-B
R59
2-B
U
200-BK113-ORA513-PK
L19
L16L13
L62
L22
L19
L19L62
L62
L62
601-GY
570-BU
7 2 3 6 4 5 1 2 1 9 5 3 4 6 8 710
200-BK
169-PK
103-YL
608-GN
200-BK462-YL
404-YL614-PU410-WH201-BK
HEADLAMP/TAIL SW3E-9317(NOTE G)
A
113-OR
200-BK
32
609-YL
L62
L62
L16
L16
A
L15
L14
L14
23
200-BK
L14
601-GY
L14
134-YL
601-GY
727-GN
L13
L13
L2L2
L22
L15
L15
L15
L2
L2
200-BK
A50
6-O
RA
503-
PK
L22
200-BK200-BK
601-GY
200-BK-8
112-PU-10
113-ORA513-PK605-YL606-GY611-PU619-GN
507-WH578-BU506-PU152-BU576-PK577-PU575-YL101-RD
605-YL606-GY611-PU
619-GN
108-
BU
200-
BK
511-BR512-GN
A51
3-P
K59
2-B
U20
0-B
K51
1-B
R51
2-G
N50
9-W
H50
8-P
U
BLOWER9X-0343
DEFROSTER9X-9657
508-PU509-WH
LEFT SPEAKER6T-7695
A506-OR200-BK
501-GN118-GY500-BR502-OR
RESISTOR7T-4003
BK/RDBK
200-BK GND
PARKB+GNGYBROR
4 2
3 1
HI
3
LO
MOTOR
T
BK
MOTOR12
+-
+-
592-BU
113-
OR
FRONT UPPERWIPER9X-3392
K
A506-OR
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
KK
102-BU
415-GN
322-
GY
114-
GN
605-
YL
606-
GY
614-
PU
611-
PU
619-
GN
601-
GY
10
609-
YL
200-BK
310-PU
629-
PK
608-
GN
605-YL606-GY
200-BK
U
410-
WH
201-
BK
B751-BU
1 2
601-GY
200-BK
601-GY
A
L12
L12
L32 L32
L32
L35
L30L30
L30L30
L34
L6
L29L29
L29
L40
L65
L65 L65L1
1
L11
L7
L7
L34
L35
L35
L35
L23
L36 L36
L38
322-GY
PANEL LAMPDIMMER SW3E-9318
L38
122-BU-14
J
124-GN113-OR
601-GY
611-PU
HEADLAMP DIMMER SW103-5678
136-GN
600-BR
601-GY
200-BK
608-GN
601-GY
103-YL
165-YL
169-PK
116-BR149-PU
614-PU614-PU614-PU
614-PU
L39L39
L40
601-GY
601-GY
(STR MTR TO BUSS BAR)(NEG. RIGHT BAT/DISC. SW)(DISCONNECT SW TO GND)(NEG BAT TO POS BAT)(START MTR TO FRAME GND)(GND-R FRAME TO F FRAME)(GND-R FRAME TO F FRAME)(START MTR/STR RELAY)(STEERING MTR TO GND)(STR RELAY TO STR MTR)(GND-F FRAME TO CAB)(POS BAT TO BUSS BAR)(REC AS. TO BUSS BAR & REC AS. TO FRM GND)
200-
BK
200-
BK
L40
200-BK
200-BK
L40
L40
L39
L40
403-
GN
121-
YL
STDATCHATCHATCHATCHSTD
614-PU
200-BK
210211212213214204204261262263105274275
0000000000000101010002
00
116-9982116-9984116-9983108-35708R-58467G-10608X-9618101-8202101-8204110-79481S-2342116-9981125-2242
QQRRSSTTUUVVVVWWXXYYZZAAADDD
619-GN
556-WH
308-
YL
201-BK
200-BK
OPERATOR MONITOR 9X-7801
L64
L43L43
L43L43
LAMP
UNUSEDUNUSED
GROUNDNEUTRALBK AIR PRESSHYD TEMPBRAKE ON
L64
ALARM+ BATTERYPRIM STEERSHIFT FAULT
UNUSEDUNUSED
FUEL PRESS
ALTERNATORTESTENG OIL PRESSCOOLANT TEMP
6
3
606-GY
201-BK
4
TAILLAMP SW3E-9319
8
3
L43
7
201-BK 1
441-OR
403-GN419-YL405-GY406-PU413-BR447-PK201-BK
201-BK417-GY
606-GY605-YL
408-WH201-BK
308-YL
3
1118142987191710
124
1365153
2
417-GY
410-WH
419-YL404-YL408-WH409-OR
9
5 6 2 3
L6
2
149-PU
601-GY
6
L11
FLOODLAMPS9X-9632
200-BK
L12
L32
1620
5
2
ETHER AID/EMS TEST SW9X-9628
L32
L32
101-RD-14
2
L64 L64
200-
BK
L21 L21
L21L21
L
L
L10
L63
L63
L5
L
L5L20
L20
L23
L23 L23
L21
L21
L21
L18L18
L18
L18
DIFFERENTIALUNLOCK SW123-5862
L18
L7L7 L7
L7
LIGHT BARLOW BEAM9X-9631
L7
L7
4
L6
8
L11
L11
L11
L12
L10
L10 L10
L10
L10
L1 L1
L7
L7
L6 L6
L5
L5
1 6
L
L1L1
LL
L
3
L
5
200-BK
7
LL
2
L
L
L
LL L
L
L
L
L
L
M
M
A
A
200-BK
L
201-
BK
200-BK200-BK
M
200-BK
L
200-BK200-BK200-BK
200-BK200-BK
M
200-BK200-BK200-BK
578-BU
411-PK201-BK
M
200-BK
9
L
L
L
-
L
+
200-BK200-BK200-BK
200-BK
L
-+- +
L
REARWASHER7T-8891FRONT UPPER
WASHER7T-8891
507-WH506-PU578-BU
FRONT LOWERWASHER7T-8891
507-WH200-BK
FRONTFRAME
201-BK
L
L
200-BK-6
L
200-BK
604-
OR
130-
GN
577-PU
576-PK
K
K
200-BK605-YL606-GY611-PU200-BK200-BK619-GN
611-PU605-YL200-BK200-BK200-BK619-GN
BKRD
21
RIGHT SPEAKER6T-7695
CAB TURNSIGNAL7X-6066
CAB HI BEAMHEADLAMP9X-7164
CAB LO BEAMHEADLAMP9X-6874
CAB TURNSIGNAL7X-6066
CAB HI BEAMHEADLAMP9X-7164
606-GY200-BK
611-PU200-BK
RDBK
200-BK619-GN
12
200-BK605-YL
611-PU200-BK
619-GN200-BK
200-BK
200-BK
200-BK
575-YL
M
RIGHT TURNINDICATORLAMP7N-5876NOTE B
200-BK200-BK
200-BK200-BK
4 GA
CABGROUND
606-GY605-YL611-PU619-GN114-GN322-GY
606-
GY
200-
BK
201-BK201-BK201-BK201-BK201-BK
506-PU
FRONT LOWERWIPER9X-3392
576-PK152-BU575-YL577-PU
MOTOR
MOTOR
629-PK609-YL
GNGYBROR
4 2
3 1
505-BU
BK
113-OR
FRONTFRAME
5
504-YL
3
119-
PK
REARDEFROST SW9X-9638
FRONTDEFROST SW9X-9638
7
152-BUL152-BU
152-
BU
200-
BK
119-PK119-PK
2
MOTOR
L
503-BR507-WH
119-
PK
118-GY
LL
200-BK601-GY
144-GN603-PK
3
118-GY
118-
GY
118-
GY
584-YL
584-YL
4K-5122 HOLDER AS.3K-8782 FUSE
601-
GY
200-
BK
2
200-
BK
200-
BK
118-GY
152-BU
119-PK
141-PK
151-GN
108-BU
144-GN
A503-PK
A506-OR
584-YL
1
2
151-GN
10
556-
WH
10
5
584-YL
34
A504-GN
6
200-BK
141-PK
601-GY
101-
RD
507-
WH
578-
BU
506-
PU
118-
GY
501-
GN
500-
BR
502-
OR
4 6 8
RD
BK
1
ACTION ALARM9G-9813
2 5 7 9 3
4 6 8 1
201-BK
200-
BK
200-
BK
-14
SHIFT CONSOLE
BEACON SW9X-9639
101-RD
152-
BU
108-
BU
A50
3-P
KA
506-
OR
152-
BU
576-
PK
575-
YL
577-
PU
UPPER WIPER/WASHER
LOWER WIPER/WASHER
REAR WIPER/WASHER
FRONT DEFROSTER
REAR DEFROSTER
DOME LAMP
BEACON
10A
10A
10A
10A
10A
10A
10A
6
101-
RD
4
OP
ER
ATO
R S
TAT
ION
201-BK
M
413-BR
M
200-BK-6
3
2
200-
BK
119-PK
T
A
CIRCUIT GROUPINGDESIGNATION
200-
BK
200-
BK
502-OR
406-PU
609-
YL
609-
YL
5
405-GY
609-YL
200-
BK
200-
BK
200-BK
9
200-
BK
201-BK
CENTERSHIFTSOLENOID9X-9482
8
601-
GY
6
L34
8
UE773-YL A507-YL
INSTRUMENT PANEL
CAB SWITCH AND FUSE CONSOLE
601-GY
6
5
FRONT LOWERWIPER SW3T-6655
UNUSED
4
1
FORWARDHORNSOLENOID7T-9074
1113-OR
200-BK
1
1
GRD
SEND
IGN
LAMP8M-6176
FUELLEVEL
COOLANTTEMP
MASTERACTIONLAMP9W-2111NOTE B
411-
PK
201-
BK
GNGN
605-
YL
200-
BK
614-
PU
200-
BK
614-
PU
200-
BK
E773-YL200-BK
A429-YL
200-BK
113-OR
441-OR614-PU
LEFT TURNINDICATORLAMP7N-5876NOTE B
R/S SYSTEMAIR PRESSGAGE1W-3306
LAMP7N-5876NOTE B
L/S SYSTEMAIR PRESSGAGE1W-3306
LAMP7N-5876NOTE B
403-GN
GAGECLUSTER124 0384
415-GN
12
WHRDORPU
GNGYPKYLBK
(24 V)
(12 V)(24 V)
IGN
SEND
GRD
IGN
SEND
GRD
MM
M
M
M
M
A
ARTICULATION
5
2
A
200-BKA507-YLA504-GN603-PK119-PK505-BU503-BR504-YL
FRONT UPPERWIPER SW3T-6655
101-RD
447-PK
200-BK
601-GY
409-OR
L#
201-BK
J
A
AJ
AJ
AA
601-GY
A
7
AA
AA
AA
601-GY
P
P
P
Q
T
T
CC
TA
A
Q
P
A
A
Q
P
P
P
A
A
A
A
A
CCA
A ZZ
ZZ
L
501-GN
A
500-BR
H
U
A
119-PK
U
A
J
601-GY
SYMBOL
2
J
103-YL
NOTE G: WITH 3E-9317 HEADLAMP/TAIL SW., REMOVE 3E-9319 TAIL LAMP SW.
L
4
619-
GN
611-
PU
606-
GY
611-
PU
606-
GY
619-
GN
200-BK
200-
BK
629-
PK
200-
BK
629-
PK
6
FILE: 24 80013 257 SCH 00THIS IS THE SCHEMATIC FOR THE 16H NA SERIESMOTOR GRADER
W 101-8200 01 (BEACON-OPEN ROPS) 184 ATCHX 124-1429 00 (HEATER GP) 154 ATCHX 124-1429 00 (CONDITIONER GP-B) 150 ATCHY 110-6986 02 (FUEL TANK) 230Z 101-8185 01 (SUPPLEMENTAL STEERING) 260 ATCH
CENTERSHIFTSOLENOID9X-9482
5
AA 101-8197 01 (HEADLAMP BREAKER) 141 �BB 101-8196 01 (LOW BEAM BREAKER-BAR) 142 ATCHCC 101-8190 02 (BLADE FLOOD LAMP) 106 ATCHDD 101-8192 01 (REAR FLOOD LAMP) 205 ATCHEE 112-0829 01 (2-WAY RADIO CONVERTER) 208 ATCHFF 8X-9091 03 (CONDENSER GP-CAB) 151 ATCHGG 9X-4189 01 (CONDENSER GP-ROOFTOP) 152 ATCHHH 101-8193 03 (REAR FLOOD LMP-FUEL TNK) 206 ATCHPP 115-4599 02 (EEC SOCKET) 231 ATCH
12
B751-BU200-BK
NOTECHG
ATCH WIRE, CABLE &COMPONENT
CABLE AS.
GNGN
4
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
LOCATION
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAGE
COMPONENTS ARE SHOWN INSTALLED ON A FULLYOPERABLE MACHINE WITH THE KEY AND ENGINE OFFAND XMSN SHIFTER IN NEUTRAL
WIRE AS.
HARNESS AS.
3
PART NO.
2
UNLESS OTHERWISE SPECIFIED: ALL WIRES IN A SPLICEARE THE SAME IDENT. NUMBER, COLOR, AND 16 GAGE
1
IDENT
BLUE
614-
PU
556-WH
GREENBUGN
RDWHORYLPKBK
BLADE, SPADE, RING,OR SCREW TERMINAL
INTERNAL ELECTRICALCONNECTION TO SURFACEOF COMPONENT
ELECTRICAL CONNECTIONTO VEHICLE STRUCTURE
570-BU 570-BU200-BK
12
12
606-GY200-BK
LO BEAMHEADLAMP9X-7169
200-
BK
200-
BK
200-
BK
200-
BK
629-PK200-BK
LO BEAMHEADLAMP9X-7169
606-GY605-YL611-PU619-GN200-BK
629-PK200-BK
200-
BK
12
629-PK200-BK
CONNECTOR
L
601-GY
GNGN
12
GNGN
601-GY601-GY601-GY
408-WH488-WH
DESCRIPTION
BROWNPURPLEGRAYBLACK
COLOR
614-
PU
ABBREV
PINK
123-WH
J
7 403-GN
STOP LAMPSW2M-9346
200-
BK
200-BK
YELLOW
3
L
614-PU
12
BLADECUSHIONSOLENOIDS7T-6517
570-BU200-BK
U
U
L34
U
NOTE E: POWER LEADS FOR 2-WAY FM COMMUNICATIONRADIO SHOULD BE SIZE 10 AWG
1
REARWIPER SW3T-6655
201-BK
606-GY605-YL614-PU
J
31425
J
5
200-BK
417-GY201-BK409-OR408-WH404-YL419-YL201-BK
410-WHA429-YL
101-
RD
-10
201-BK413-BR406-PU405-GY
113-OR
415-GN
E77
3-Y
L
447-PK441-OR113-OR403-GN
(12 V)
ORANGEWHITERED
130-GN604-OR
BR201-BK
PUGY
408-WH201-BK
609-YL200-BK
RDBK
12
12
114-GN322-GY
L 101-8164 03 (CAB FUSE & SW PANEL) 180M 101-8160 02 (GAGE CONSOLE) 160P 116-0297 00 (HEADLIGHTS-BAR) 100 ATCHQ 110-7855 01 (LOW BEAMS) 101 ATCHS 101-8181 03 (CAB FUSE PANEL) 183T 106-5524 00 (BLADE CUSHION) 104U 109-7333 01 (XSMN CONSOLE-SWITCHES) 171
200-BK
A 110-0798 01 (PLATFORM) 120B 110-6931 01 (ENGINE) 220C 110-0546 01 (R FRAME-ENGINE) 200D 109-8945 01 (RADIATOR GRILL) 203E 109-7334 01 (R FRAME-TAIL) 201H 101-8161 02 (CAB-REAR) 182J 109-8827 01 (STEERING CONSOLE) 140K 101-8162 03 (CAB-FRONT) 181
12345
570-
BU
NOTE B: TERMINAL 3T-3157SPRING 3T-3159SOCKET 3T-3158CONTACT 6D-4161BOOT 3T-3278
LEVEL
LL 9F-4337 07 (START MTR TO ENGINE) 221MM 6T-6962 00 (CONDENSER FAN JUMPER) 153 ATCHNN 8X-1440 03 (HORN SWITCH) 143
609-YL200-BK
619-GN200-BK
OP
ER
ATO
R S
TAT
ION
200-BK611-PU
605-YL200-BK
12
RDBK
LO BEAMHEADLAMP9X-7169
HI BEAMHEADLAMP9X-7170
TURNSIGNAL7X-6066
12
619-GN200-BK
611-PU200-BK
LO BEAMHEADLAMP9X-7169
HI BEAMHEADLAMP9X-7170
TURNSIGNAL7X-6066
BLADEFLOODLAMP 9X-6775
BLADEFLOODLAMP 9X-6775
201-BK
D27902
T
T
T
14
23
241
60A
80A
GNDSTART
STOP
POSNEG
G S
MTR BAT
MOTOR
T
2
5
1
34
6
2
5
1
34
6
2
5
H
L
B B
P W
H
L
B B
P W
H
L
B B
P W
7
9 8 6 5 4 3 2 17
15
U
WIRES THAT HAVE BATTERY VOLTAGE WHEN THE KEY SWITCH IS OFF.
WIRES THAT HAVE BATTERY VOLTAGE WHEN THE KEY SWITCH IS ON.
STARTING CIRCUIT.
GAUGE CIRCUIT.
EMS CIRCUIT.
PANEL LAMP CIRCUIT.
WIPER/WASHER CIRCUIT.
HEATER AND AIR CONDITIONER CIRCUIT.
GROUND CIRCUIT.
TURN SIGNAL CIRCUIT.
ENGINE SHUTDOWN CONTROL CIRCUIT.
START AID CIRCUIT.
CIRCUIT IDENTIFICATION LEGEND
DASHED LINES INDICATE ATTACHMENT COMPONENTS,WIRES AND CONNECTORS.
605-YL200-BK
RDBK
TURN LAMP7X-6066
G
ST
12
604-OR614-PU200-BK
RDWHBK
132
STOP/TAILLAMP8C-6207
D
D
321-
BR
200-
BK
200-
BK
606-
GY
614-
PU
604-
OR
604-OR614-PU606-GY321-BR200-BK200-BK
200-
BK
200-BK
D
L50
D
BACKUPALARM3T-1815
G
TURN LAMP7X-6066
STOP/TAILLAMP8C-6207
RDBK
RDWHBK
TS
L50
605-YL604-OR614-PU606-GY321-BR200-BK
12
132
200-BK606-GY614-PU604-OR
606-GY200-BK
604-OR614-PU200-BK
REAR FLOODLAMP9X-6775
200-
BK
200-
BK
200-
BK
200-BK
E
E Y306-GN200-BK
D
D
21
2 1 201-BK
C
2 1
6 5 4 3 2 1
L69 200-BK608-GN
406-PU201-BK
200-BK608-GN
COOLANT SW8N-1693
COOLANT TEMPSWITCH7N-9785
COOLANT TEMPSENDER7N-8532
441-OR
608-GN200-BK
B
B B
311-WHB
L60
L69
L48
L69
L60L48
L60
L48
321-BR121-YL
E
122-BU-14200-BK
200-BK556-WH
306-GN307-OR409-OR201-BK
HHDD
YHH
201-
BK
200-
BK
606-GY614-PU604-OR605-YL
556-WH
121-YL122-BU-14
200-
BK
200-
BK
200-
BK
200-BK
11
1 2
ED
311-WH
311-
WH
101-
RD
2 1
200-BK608-GN 608-GN
201-BK405-GY
200-BK
112-PU112-PU-4
200-BK-4
200-BK
403-GN
311-WH310-PU
12
447-PK200-BK
REAR FLOODLAMP9X-6775
ALTERNATOR100-5047 50A STD 3E-7577 75A ATCH
MAINRELAY101-7740
109-OR-4ALT
+R
597-PU
522-WH
201-
BK
201-BK
310-
PU
311-
WH
308-YL
Y
B
200-
BK
E
WH-18WH-18WH-18
3 4 1 2
WH-18
L63
L63 L63
L63
L49
L49
Y
Y Y
DIODE AS.105-8827
2 1
200-BK101-RD
SOCKET AS.9R-7941
PP
PP
522-WH513-OR
2 1
WH-18
2 1 4 3
WH-18WH-18
WH-18
E
E
1 2
AIR DRYER8W-3087
GNGN
1 BKBK 2
200-BK 200-BK
105-
BR
Y
200-BK
STARTING AND CHARGINGDIAGNOSTIC CONNECTOR
200-BK
Y
306-GN
Y
109-
OR
-4
200-BK
200-BK
610820191817161514133
109-OR-4
201-BK
920
3-B
K
710
9-O
R
25121
308-
YL
207-
BK
302-
OR
Y
112-
PU
101-
RD
HHDD
306-
GN
311-WH
310-
PU
308-YL
112-
PU
14
STEER SW
ALTERNATOR
GROUND
+ BATTERY
MOTOR RELAYOPR PANEL
SUPPLEMENTALSTEERING3E-5184
BK-18BK-18
413-BR
FUELSW9W-3187
109-OR-10
306-GN
304-WH-10
101-RD101-RD-4
ALTERNATORBREAKER9S-0174 STD9S-4693 ATCH
21
ENGINEOIL SW9X-0378
BK-18BK-18
START AIDSOLENOID9G-4365
FUEL LEVELSENDER124-0287
PK-18BK-18
12
GNGN
109-OR-4109-OR
STARTRELAY3E-7279
304-WH
B
BB
310-PU
BACK-UP ALARM SW3E-9367
L68
L60
L60
L48
L48
L68
L49
L49 L49
L48
L48L48
PP101-RD
12
3E-9169 DIODE AS.
12
NEUTRAL/STARTSW3E-9367
DIFFERNTIALUNLOCK SOLENOID7T-9073
Y
Y Y
1 2
B
Y
4
200-BK
304-
WH
405-GY201-BK
200-BK
L68
308-YL
306-GN
PK-18BR-18BK-18BU-18PU-18OR-18WH-18
RD-18YL-18
129684537
KEY SW
GN-18GY-18
SUPPLEMENTALSTEERINGMOTOR117-3915
SUPPLEMENTALSTEERINGRELAY3E-0154
RD-0 RD-0 MOTOR
326-PU
200-BK-10301-BU-10
136-GN308-YL
200-BK200-BK728-BU
403-GN
AIR CONDITIONERCLUTCH SOL101-1759
727-GN417-GY
12
B
597-PU441-OR413-BR406-PU
405-GY326-PU
B
B
201-BK
B
B
522-WH
Y
310-PU
302-OR
8
6
C
C
C
200-BK
727-GN462-YL
326-PU522-WH597-PU
406-PU441-OR201-BK
200-BK447-PK608-GN403-GN
310-PU308-YL
Y C
405-GY
112-PU-4
Y C
L68
SHUTDOWNSOL3E-7985
BK-00BK-00
200-BK-4
200-BK
101-
RD
-4
7
2
L60
L60
L57
L54
L55
L56
1
4
200-BK
301-BU302-OR
RESISTOR6T-2217 2
203-BK
1
DISCONNECT SW7N-0718
REARFRAME
NEG
5
POS
3
B
BK-00
BK
-00
5
RR
AAA
12V BATTERY9X-9731
4
207-BK
3
200-BK727-GN462-YL
B
1
727-GN
2 3 4 110 7 6 8
302-OR207-BK
311-WH
101-RD-4
2
B
9
105-BR
RD-00
Y
Z
Z
YY
B
YYWW
413-BR
462-YL
TT
L62
L62
311-WH
207-BK302-OR
403-GN
308-YL
308-YL310-PU
201-BK
200-BK447-PK
5
608-GN
105-BR
311-WH
207-BK
311-WH207-BK302-OR
13
A/C REFRIGERANT SW114-5334NOTE A
L
H
462-YL727-GN200-BK
BK-18BK-18
12
513-OR597-PU
101-RD-4
112-PU-4
1 2 3 7 8 6 4 5
1 2
EE
200-BK
Z
2
5 3
4 1 7
C
403-GN200-BK
728-BU136-GN
308-YL
200-BK
BK-0
121-YL
L57
L56
L55
L60
L54
ANTENNA9W-3072CABLE AS.9X-3073
ARTICULATIONSENDER3E-5383
200-BK-10176-OR-14
12V BATTERY9X-9731
200-BK
604-OR
556-WH122-BU-14
605-YL606-GY614-PU
L57
L54
L55
L56
Y
6
PP
207-BK
301-BU
BK
-6
REARFRAME
STARTER109-5922
304-WH-10
RD-00
BK
-00
ENGINEBK
-00
1/0 ATCH
BEACON9X-9556
Y
B
B
B
200-
BK
-10
BUSS BAR8C-6358
RD-00
LL
UU
UU
301-BU-10
SS
SS
417-GY
24V TO 12V CONVERTER3E-8646
IGNITION12V OUT
GROUND24V IN
LOCALIZEDGROUNDSTUD
727-GN
BULB9X7849
10409-OR
VV
E
AC
AC
B
200-
BK
AAA
307-OR
TT
DDD
DDD
AUX STARTRECEPT.
RD-00
BK-OO
XX
XX
727-GN
200-BK-10
RD
-00
BK
-00
C
101-
RD
-4
RR
REAR FRAME
113-OR(NOTE E)
RD-00
2 1
2 1
7 8
6 3
4 5
8
2 1
7 6
5
4
3
2
1403-GN
200-BK
419-YL201-BK
123-WH
PARK BRAKEPRESS SW3E2033
PARK BRAKESOLENOID7T-9074
7
GNGN
6
BK-18
200-BK
5 4 3
BK-18
2
6
3 4 5B+ MEMORY
B+ GROUND+ LH SPEAKER- LH SPEAKER+ RH SPEAKER- RH SPEAKERANTENNA
611-PU619-GN605-YL606-GY
BKWHWH/BKGYGY/BK
L67
L67
L57
L56
L56
L56
L55
L55
L54
L54
RD
24V RADIO9X-6810
200-
BK
A42
9-Y
L
A429-YL200-BK
101-RD-4
112-PU-8112-PU-10
1
A507-YL200-BK
RDBK
200-BK603-PK
308-
YL
200-BK504-YL119-PK503-BR505-BU603-PK
A504-GNA507-YL
BLOWER9X-0343
121-YL604-OR
DEFROSTER9X-9657
MOTOR
L67
L37
L37
L37
L61
L61
L41
L41
L41
L41
L20
L20
122-BU-14
12
RESISTOR7T-4003
8
12
4
200-BK 200-
BK
200-BK
200-BK200-BK
2187
H
403-GN
9
AC
VV
A
H
H
H
A
C
C A
C A
HYDRAULIC OILTEMP SW8N-2248
FRONT FRAME
404-YL
201-BK
201-BKA A
12
EE EE EE
4
3 6 5
406-PU441-OR201-BK
447-PK
413-BR
608-GN
405-GY
12V RADIO3E-7140
DOME LAMP8C-9678
A513-PK592-BU200-BK508-PU509-WH511-BR512-GN113-OR
L61
GY/BKGYWH/BKWHBKRDYLB+ MEMORY
B+ GROUND+ LH SPEAKER- LH SPEAKER+ RH SPEAKER- RH SPEAKERANTENNA
L38
522-WH597-PU326-PU310-PU
200-BKA429-YL728-BU136-GN
403-GN
176-OR-14
123-
WH
L35
L45
L38
L7
L37
L36
L36
L61
308-YL105-BR
2 4 1 5 3
601-GY522-WH200-BK521-YL124-GN
CONN. A
L42
U
200-BK200-BK
417-GY
WITH 8C-9788 COND. GP., CONN. A MATES TO CONN. BWITH 8C-9787 HEATER GP., CONN. A MATES TO CONN. C
CONN. C
GND
PARK B+ GNGYBROR
4 2
3 1
HI
LO
REAR WIPER9X-3392
MOTOR
K
2187
T
2
CONN. B
727-GN
BK
L41
200-BK
115A
25A CONVERTERBREAKER3T-2662
201-BK419-YL
608-GN405-GY403-GN413-BR447-PK201-BK441-OR406-PU
K101-RD-14113-OR
L13
L13L16
L16
L16108-BU200-BK
3
2 1
L63
BKRDWH
L61L61
L65 L65
L63
124-GN521-YL515-GY516-GN517-BU
RESISTOR9G-1950
35142
HEATER GP SC-9787
200-BK
504-YL119-PK503-BR505-BU
X
K
THERMOSTATSW3E-5464
L41
L41
H
H
112-
PU
-10
101-
RD
-410
1-R
D-1
0
L35
L35
11
3 2 1
2 4 6 7 9 5 8 1
W
W
2 1
3
2
1
1
J
J
J
L66
J
J
105-
BR
24 TO 12 VOLTCONVERTER119-1733
105-
BR
A51
3-P
K10
2-B
U
10A
603-
PK
200-BK
200-
BK
200-
BK
BEACON9X-9556
601-
GY
200-
BK
101-
RD
BE
AC
ON
FU
SE
+12V MEMORY+24V IN
+ BATTERYGROUND
GROUND (RADIO)+12V RADIO
122-BU-14124-GN113-OR136-GN
130-GN134-YL105-BR102-BU
L37
L45
L45
SPAREBACKUP ALARM
1
101-
RD
115-
PK
112-PU-8
102-
BU
101-
RD
L65
101-RD-10
L35
L35
L66
L37
103-YL173-YL
SERVICEMETER3E-9359
130-GN
134-YL
200-BK
403-GN
114-GN105-BR
TAIL LAMPSTURN SIGNALS
STOP LAMPS
SUPP STEERHORN
+ -JJ
KEY SW
1 2
728-BU200-BK
321
STEER SW8T-8640
101-RD-10
LIGHTBARLOW BEAMBREAKER3T-2662
HEADLAMPBREAKER
15A
15A
BURDBK
10A10A10A10A10A10A10A10A10A
X
BLOWER9X-9363
515-GY200-BK
BLOWER SW6P-3236
BASE7G-9730
PANEL LAMP8D-1429
WH/RD-14BK-14
12
MOTOR
34521
200-BK614-PU
BEACON SW9X-9639
J
J
BULB9X-7849
W
SIG
J
J
J
A
A
A
JJ
BBAA
121-
YL
3
W
W
A
J
101-RD
FUSE BLOCK9G-0747
SPARE
2
123-WH
FUSE HOLDER4K-5122
10A FUSE3K-8782
10
2
4 1 6 5 2 3
2 1 3 4 5
1 2
J
J
J
J J
J J
J
JJ
JJ
JJ
L35
L65
200-BK-14597-BU521-YL
601-GY
122-BU-14
OP
EN
RO
PS
BE
AC
ON
AT
CH
200-BK601-GY
101-RD
521-
YL
592-BU200-BK
A513-PK102-BU
200-BK113-OR
RESISTOR3T-3123
2
200-
BK
601-
GY
L16L13
522-
WH
STON
OFF
BSC
R
200-BK200-BK
124-
GN
MATE WITH BEACON HARNESS "W"
KEY START SW9G-7641
L45
L37
L66
L66
L20
L63
L38
L7L36
L36
TURN SIGNALSW9G-5589
21
J
200-BK
2
1
619-GN
B
601-GY
614-PU
AIR DRYERAIR CNDTRGAGESSUPP STEER
121-
YL
403-
GN
DIFF LOCK
BLADE CNTRL
REAR FLOODSBLADE FLOODS
L64
10A
FLASHER108-0358
L42
537-GN 14
15A
L42
10A10A10A10A10A10A10A
HORN SW8X-9440
601-GY
200-
BK
W
W
PLUG AS.4E-8715
BK
A
601-GY
4 3 2 1
STEERING CONSOLE
601-GY
1
144-GN
U
U
A
JNN
A
3
3K-8782 FUSE (10A)8M-8948 FUSE (15A)
JPARK BRAKE
W
FUSE BLOCK9G-0747
112-PU-4
4 GA STDSTRAP
124-GN521-YL515-GY516-GN517-BU
RESISTOR9G-1950
35142
CONDITIONER GP-B SC9788
XX
BLOWER9X-9363
515-GY200-BK
BLOWER SW6P-3236
BASE7G-9730
PANEL LAMP8D-1429
WH/RD-14BK-14
12
MOTOR
34521
200-BK614-PU
15 14 13 12 11 10
F
E
D
C
B
A
F
E
D
C
B
A