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F
1112
BULB7H2976
BULB342535
BK-00
BK-00
WW
JJ
PP
XX
D
D
D
D A
A
12V BATTERY9G4247
145-BU200-BK
21
-0
BKRD
RD
TURNLAMP7T7818
2 1608-GN
608-GN
2637
4
51
STOP/TAILLAMP9G4358
2
21
1
605-YL
614-PU
614-PU604-OR
604-OR
606-GY
605-YL604-OR614-PU608-GN121-YL321-BR606-GY
POS NEG
TS
L31
L32
L29
L30
9 810
HH
JJ
SECONDARYSTEERINGMOTOR8C5661
462 YL
BK-0
-0
MOTOR
OPERATOR
REAR
119-PK
BH B
L31
L32
BKRDBU3
68 7
STEERING SW8T8640
N
A
200-BK728-BU
OPERATOR STATION
2 1609-YL
BASIC HEATER - 9W1391
OPERA
L18 L18
J
21
A Z
2
35 4
L21
L22
F
A
A
HEAD LAMPDIMMER SW2H1855
1
OPERATOR STATION
2 1574-WH
200-BK
RESISTOR TURN
2 1
629-PK-14
629-PK-14
610-OR-14
610-OR-14
631-GY-14
631-GY-14632-WH-14
632-WH-14
619-GN-14611-PU-14
606-GY
605-YL
629-PK-14
L18
BASE
W
A
A P
FORWHORN7T096
2 1114-GN
322-GY
114-GN
LEFTTURNINDICATORLAMP7N5876
606-GY605-YL
619-GN-14611-PU-14
322-GY
570-BU200-BK 2
1
629-PK-14
629-PK-14
BULB1M5928
BULB1M5899
LOW BEAMHEAD LAMP1M3379
12
F
L19
L21L21
24
TOFRONT FRAME
611-PU-14
619-GN-14
BULB
BULB7H2976
BULB7H2976
TURNLAMP7G9318
TURNLAMP7G9318
200-BK-14
E
F
C
A P
FORWARDHORN7T0969
HEAD LAMP1M6052
632-WH-14631-GY-14
605-YL
HEADLAMP4N9303
21
200-BK
619-GN-14
611-PU-14
605-YL
3652-01
Color2,DJM
VV
GOV SW
C
B
E
D
200-BK
200-BK
BULB9W1281
TT
COOLANTSENDER6N5926
COOLANTTEMP GAGE4W0483
441-OR
200-BK
123-WH
°T
IGN
SEND
GRD
JJ
A
J
J
9PK-18BR-18 6
MOTOR RELAYGY-18GN-18
BK-18
GN-18
PU-18
BU-18OR-18
YL-18WH-18
OPR PANEL
KEY SW
STER SW
GROUND
+ BATTERY
ALTERNATOR
21
8
7
5
43
21
SECONDARYSTEERINGCONTROL3T3964
200BK
BK-0
608-GN
REARFLOODLAMP9W1279
COOLANT SW8N1693
COOLANT SW7N9785
FUEL SW9W3187
START AIDSOLENOID9G4365
21BK-18
BK-18
310-PU
201-BK
201-BK
405-GY406-PU406-PU
200-BK
311-WH
311-WH
311-WH
311-WH
608-GN
°T
°T
200-200-
SEM6T
200-BK-1
-
HH
GG
DIFFERENTIALLOCK SOLENOID7T9073
GNGN
200-BK-10
AA
CC
ENGINEOIL SW7T0988
ENGINEOIL SW7T0988
A
EE
J
B
A
21
20
BK-0
403-GN
556-WH200-BK
BK-00
TOFRAME
TOENGINE
STARTER3T4586
RESISTOR6T2217
21
BK-6
304-30
302-OR
301-BU
RD-00
G S
MTRBAT
MOTOR
101-RD-6RD-0
BK-00
207-BK
REFRIGERANT SW(NOTE A)9D6888
AIRCONDITIONERCLUTCHSOLENOID7N4296
BASE7G9730
PANELLAMP7N5876
BACKUPALARM3T1815
21
614-PU200-BK
200-BK
400-GN
400-GN
413-BR
321-BR121-YL
201-BK
403-GN
513-OR-14
L-14
SECONDARY STERGOVERNOR SW3T3132
749-OR
200-BK
A
1
RE
2
L33
L35
L30
FF
AUX STARTRECEPTACLE B
K-00
RD-00
326-PU
L25
L10
L10
L5
L5L3
L27L27
L27L27
L26
L9
L9L6
L6L6
L33
L34
L31
200-BK-8200-BK-14
L7
201-BK-14
OPENROPSONLY
BK-6
749-OR
E
HH
JJ
GG
BEACON(CLOSEDROPSONLY)6T8941
J
J
417-GY
200-BK
9PK-18BR-18 6
GY-18GN-18
BK-18
GN-18
PU-18
BU-18OR-18
YL-18WH-18
21
8
7
5
43
21
SECONDARYSTEERINGMOTOR8C5661
SECONDARYSTEERINGRELAY7N3621
728-BU
462-YL
727-GN
727-GN
727-GN
200-BK
462-YL200-BK
BK-0
RD-0
BK-0
MOTOR
200-BK200-BK
403-GN107-WH107-WH
728-BU
417-GY727-GN
603-PK
200-BK200-BK
200-BK-6200-BK
SERVICEMETER6T7337
200-BK-14
201-BK
200-BK
145-BU
200-BK
- +
BEACON(OPENROPSONLY)6T8941
GG
TIALENOID
200-BK-10
AA304-WH-10
304-WH-10200-BK-10
200-BK-10
A
21
201-BK-10
K-0
107-WH
123-WH
556-WH200-BK
304-WH-8302-OR
200-BK-8
101-RD-6RD-0
207-BK
200-BK200-BK
R
HYDRAULICOIL SW3T0190
BASE7G9730
PANELLAMP7N5876
ELP76
326-PU
614-PUPU200-BKBK
400-GN 123-WH
603-PK
404-YL
201-BK
°T
101-RD-14
RR
M
DEFROSTER5D2856
OPERATORSTATION
505-BU503-BR
504-YL GNGYBROR
42
31
H
L
MOTOR
°T
151-GN
RESISTOR
BLOWER9G8183
BLOWER SW3D8754
BK
OR/GY
OR/BU
MOTOR
119-PK
REARWIPER6T6216
REARWIPER SW3T9495
119-PK
119-PK
101-RD-14
102-BU-14
B
WPL
H B
UU
C
C
C A
A
A
145-BU
CABFUSEBLOCK9G0747
OPERATOR STATION
DOMELAMP6T4864
151-GN
108-BU
108-BU
CABGROUND
REARDEFROSTER
DOMELAMP
608-GN
200-BK-14 200-BK-8
342516
FUSENOTE B
20A
10A
10A
10A
10A
10A
10A
10A
10A
112-PU-8
141-PK
129-BU
144-GN
152-BU
118-GY
124-GN-14 124-GN-14614-PU614-PU
631-GY-14 631-GY-14632-WH-14632-WH-14
200-BK-8 200-BK-8
112-PU-8112-PU-8
605-YL
605-YL605-YL606-GY 606-GY
606-GY
403-GN
603-PK
604-OR121-YL321-BR605-YL606-GY
614-PU614-PU556-WH
404-YL
201-BK
405-GY
413-BR
406-PU
304-WH-8
310-PU
207-BK302-OR311-WH
603-PK
REAR FRAME
FRONTDEFROSTFAN
CIGARLIGHTER
REARWIPER
BEACON
AIRCONDITIONER
FRONTLOWERWIPER
FRONTUPPERWIPER
201-BK-14
201-BK-14
200-BK
L32
201-BK
L33
107-WH
123-WH
403-GN
201-BK
L8
L33
749-OR
200-BK
L35
L3
L34
L36
L32
L35
L8
L33
L34
L36
L31
L11
L25
54
21
326-PU
103-YL-14
614-PU
614-PU
105-BR
109-OR-6
310-PU614-PU614-PU614-PU
L1
L1
L25
L10
L3
L26
L26
L9
112-PU-8200-BK
200-BK-8200-BK-8
201-BK
200-BK-14
321-BR
203-BK
304-WH-8
121-YL145-BU
122-BU
103-YL-14
L5
L6
L7614-PU
556-WH
604-OR
603-PK
L7
L8
BLOWER9W0604
BLOWER9W0604
20
101-RD-14
103-YL-14
12
10
31
79
46
2
11
8
5
326-PU
308-YL
614-PU
ZZYY
102-BU-14
BASE7G9730
PANELLAMP7N5876
HEADLAMP SW3T3826
ALTERNATORBREAKER9S0173
60A109-OR-6109-OR101-RD
101-RD-6
101-RD-14
610-OR-14
631-GY-14
632-WH-14
629-PK-14
610-OR-14
102-BU-14
200-BK 614-PU
614-PU
STARTAID SW7N8001 BEACON SW
(OPENROPSONLY)7N8000
R
S
21
BLADEFLOODLAMP SW7N8000
609-YL
149-PU
608-GN
608-GN
REAR FLOODLAMP SW7N8000
308-YL
310-PU
310-PU
614-PU
603-PK
116-BR
116-BR
144-GN
BASIC HEATER - 9W1391
GN
GN
A
H
G
A
A
A
12123-WH
200-BK
BLOWER SW5D5659
BLOWER SW5D5659
35421
522-WH-14614-PU
200-BK-14
521-YL-14124-GN-14
MOTOR MOTOR
LO BEAMHEAD LAMP SW3T1730
105-BR
105-BR
102-BU-14
103-YL-14
PARKBRAKESOLENOID7T9074
BLOWER9G8693
BLOWER9G8697
DIAGNOSTIC CONNECTOR
KEY SW9G7641
1918171615
1413 192711364812105
35421
101-RD
109-OR
302-OR
207-BK
311-WH
203-BK
306-GN
304-WH
308-YL
112-PU
310-PU
105-BR
307-OR
WH/R
WH/RBK
BK
522-WH-14614-PU
200-BK-14
521-YL-14124-GN-14
MOTOR
MOTOR
ST
ON
OFF
BSCR
200-BK
200-BK-14200-BK
200-BK-14
109-OR-6
112-PU-10
321-BR
200-BK
307-OR
306-GN
K
L
ACTIONALARM9G9813
21
B
A
A
FRONT FRAMEGROUND
NEUTRAL/START SW3T1804
200-BK-14130-GN
200-BK
BACKUPALARM SW3T1804
OPERATOR STATION
200-BK-8
200-BK
200-BK-8
STARTRELAY9F3099
MAINRELAY3T0376
2
21
1BKRD
304-WH-8
306-GN
304-WH
200-BK-14
200-BK
200-BK
306-GN
307-OR
410-WH201-BK
109-OR-6
112-PU-8
308-YL
308-YL
112-PU
310-PU
L3
L13
614-PU
L9
L4
L2
L2
L1
L1
L12
L18
L11
L25
L25
629-PK-14
614-PU
109-OR-6
L11
L12
L12 L12
L12
L12
L9
L13
L14
L14
L14
606-GY
L7
L15
L22
L22L22
L22 L23
L6
L28
614-PU
200-BK
570-BU
200-BK-14
417-GY
410-WH
L15
L8
L28L28
L23
L16
L23
L6
L16
201-BK
201-BK
573-G572-P
W/O HARNESS AS. JCONNECT PLUG B(417-GY)TO RECEPTACLE B(201-BK)
200-BK-14
G
G
QA
21
BASE7G9730
PANELLAMP8D1429
572-PU572-PU
170-YL
RKAKELENOID074
OPERATORMONITORTEST SW7N8001
415-GN322-GY
BLOWER SW6P3236
RESISTOR9G1950
R
R
THERMOSTAT SW6T9395
TURNSIGNAL SW8D6947
HORN SW8W1957
BASE7G9730
PANELLAMP7N5876
34521
19
2
21
1
101-RD
109-OR
WH/RD-14
WH/RD-14BK-14
BK-14522-WH-14
614-PU-14
200-BK-14
200-BK-14
200-BK-14
517-BU-14516-GN-14
515-GY-14
515-GY-14
515-GY-14521-YL-14124-GN-14
606-GY
605-YL
537-GN
322-GY
114-GN
200-BK
614-PU
OTOR
OTOR
OR
GRN
BLU
BLK
RED
°T
32
65
41
BEACON SW(CLOSEROPSONLY)7N8000
BASE3T3158
152-BU
118-GY
140-GN
200-BK
SECONDARYSTEERINGINDICATORLAMP7N5876
462-YL
FRONTUPPERWIPER SW3T6655
FRONTLOWERWIPER SW3T6655
DIFFLOCK SW7N8000
MASTERACTIONLAMP7N1996
201-BK
411-PK
556-WH
165-YL
537-GN
506-PU
506-PU
603-PK
575-YL
576-PK
577-PU
500-BR
501-GN
502-OR
152-BU
152-BU
118-GY
118-GY
118-GY152-BU144-GN
144-GN
200-BK
129-BU
129-BU141-PK
578-BU
L17
L16
L8
L17L16
L2
113-OR
603-PK
604-OR410-WH
169-PK114-GN556-WH
614-PU
614-PU200-BK-14
L7
L7
L10
L6
L5
L4
165-YL
L2
165-YL
B
WP
L
H B
B
WPL
H B
A
L22
L2
L12
L12
L12
BK AIR PR
PRIM STER
COOL TEMP
+ BATTERY
GROUND
ALTERNATOR
HYD TEMPENG OIL PR
ALARMLAMP
FUEL PR
TEST
11
20
1918
17
16
15
14
13
12
10
9
8
7
654
3
2
1
201-BK
201-BK
200-BK-14
DIFFERENTAILLOCK INDICATORLAMP7N5876
556-WH200-BK-14 200-BK
200-BK
200-BK
BASE3T3158
BASE3T3158
A
B
21
417-GY
200-BK574-WH
573-GN
572-PU
572-PU
RESISTOR
9G8183
B3
614-PU
200-BK
DEFROS5D2856
BK
OR/GY
OR/BU
LEFTTURNINDICATORLAMP7N5876
BASE7G9730
ARTICULATIONINDICATORPANELLAMP7N5876
OPERATORMONITOR3T9200
605-YL
606-GY605-YL
201-BK
201-BK
201-BK
415-GN404-YL405-GY406-PU
201-BK-14
413-BR
408-WH113-OR
403-GN
201-BK
410-WH411-PK
MOTOR
201-BK-14201-BK-14
201-BK-14
201-BK-14
201-BK
201-BK
201-BK200-BK-14
200-BK
200-BK
200-BK-14
BASE3T3158
BASE3T3158
114-GN
J B
B
C
200-BK
130-GN
201-BK21
SECONDARYSTER SW7N8001
462-YL
727-GN
417-GY
417-GY
H
L
MOTOR
°T
GNGYBROR
42
31
152-BU
575-YL
576-PK
577-PU
FRONT LOWERWIPER6T6216
RIGHTTURNINDICATORLAMP7N5876
BLADE CUSHIONINDICATORLAMP7N5876
BLADECUSHION SW7N8000
606-GY
556-WH
570-BU
169-PK
570-BU
21 417-GY
A-118C9677T
629-PK-14
629-PK-14
LOW BEAMHEAD LAMP1M3379
629-PK-14
BULB1M5928
LOW BEAMHEAD LAMP1M3379
BULB1M5899
BULB1M5899
9F4337 B-11VV
F-5Z
NOTE
C-10
C-86G7663UUD-128W2681TT
9M9812
8W2683
8W2038
8W3022
8W3275
7T8650
D-98W1967RRQQ
C-6C-68W1982
E-6
ATCHSTD
B-8C8W1310
F-128W1498PPA-36G6109NNA-58W1980MM
S 8W1966 C-7C-78W1965RF-7N
WIRE AS.
F-38W1978W
D-48W1979Q
D-28W1487PE-98W1486M
LK
D-11E-69W3160
8W1569 A-1A-18W1766F-128W1294
B-88W1311
C-38W1899D-6
JHGFED
CBAHARNESS AS.
LOCPART NO.IDENT
CIRCUIT GROUPINGDESIGNATION
#L
ATCH WIRE, CABLE,COMPONENT
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
BLUEGREEN
BUGN
RDWHORYLPKBK
BLADE, SPADE, RING,OR SCREW TERMINAL
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
ELECTRICAL CONNECTIONTO MACHINE STRUCTURE
CONNECTOR
SYMBOL DESCRIPTION
BROWNPURPLEGRAYBLACK
COLORABBREV
PINKYELLOWORANGEWHITERED
BRPUGY
C
B
E
D
L21
L19
L24
L7
L19
L7
L17
L23
L24
L17
L5
L5
573-GN572-PU
C-8
8W5079
200-BK
BULB1M5898
7G9318
200-BK-14
PP
8W6871YY
OPERATORSTATION
GN
GN
GN
GN
ESISTOR
9G8183
BLOWER SW3D8754
BLADEFLOODLAMP8C5582
DEFROSTER5D2856
BK
OR/GY
OR/BU
SE9730
LATIONTOR
2 211
BLADECUSHIONSOLENOID7T6517
BLADECUSHIONSOLENOID7T6517
141-PK
200-BK
200-BK
200-BK
570-BU
570-BU
570-BU
632-WH-14631-GY-14
609-YL
609-YL
609-YL
609-YL
605-YL
HEADLAMP4N9303
605-YL611-PU-14619-GN-14606-GY
BULB9W1281
MOTOR
200-BK-14
BULB9W1281
200-BK-14
E
C
C
A21
OPERATORSTATION
GNGYBROR
42
31
L
MOTOR
°T
GNGYBROR
42
31
H
L
MOTOR
°T
500-BR
501-GN
502-OR
118-GY
575-YL
577-PU
FRONT LOWERWIPER6T6216
FRONT UPPERWIPER6T6216
141-PK
BLADEFLOODLAMP8C5582
609-YL
605-YL632-WH-14 632-WH-14
632-WH-14
631-GY-14
631-GY-14631-GY-14606-GY
611-PU-14
619-GN-14
200-BK
HEAD LAMP1M6052
SENR36
20Page,Colo
1112
A
AIR DRYER8W3087
°T
WW
200-BK-6
TS
BULB342535
BULB7H2976
DIFFERENTIALLOCK SOLENOID7T9073
CC
D
D
12V BATTERY9G4247
RD
DISCONNECT SW7N0718
TURNLAMP7T7818
BKRD
(NOTE A)9D6888
STOP/TAILLAMP9G4358
ALTERNATOR5S9088
AIRCONDITIONERCLUTCHSOLENOID7N4296
2
21
1
522-WH-14513-OR-14
606-GY
614-PU
604-OR
513-OR-14
521-YL-14
403-GN
109-OR-6
203-BK
BK-00
BK-00
21
AT
POS NEG
ALT
+R
AA
XX
L29
BK-00
RD-00
L11
L5L3
L3
L27L27
L26
L31
101-RD-6
8910
R DRYERW3087 A
BKBK
°T21
200-BK122-BU
TIALENOID
304-WH-10200-BK-10
R
521-YL-14522-WH-14
44
326-PU
21
AT
608-GN
326-PU
122-BU
604-OR121-YL321-BR605-YL606-GY
614-PU
109-OR-6
L36
L31
L3
L11
L11
L3
L26
122-BU
103-YL-14
L5603-PK
678101-RD-10
101-RD-6
101-RD-6
101-RD-14102-BU-14
HEAD LAMPBREAKER3T2662
15A
200-BK-14130-GN
173
L3
BACKUP ALARM
OPERATOR MONITOR10ATURN SIGNAL
112-PU-10
114-GN
GAGES
103-YL-14
145-BU
FUSEBLOCK9G0747
FUSEBLOCK9G0747
PARK BRAKE
107-WH
L4
SECOND. STER SW
170-YL
SECONDARY STEER CONT
FRONT FLOODS
149-PU
121-YL
FUSENOTE BFUSE
NOTE B
130-GN
-OR
123-WH
165-YL
123-WH
114-GN
116-BR
144-GN
105-BR
122-BU
169-PK
101-RD-10
10A10A
10A10A
10A10A
10A10A
10A10A
10A10A
10A
L2
10A
L1
SPARE
HORN
KEY SW
REAR FLOODS
STOP LAMPS
TAIL LAMPS
CUSHION BLADE
AIR DRYERBEACON
DIFF LOCK
BLADE FLOAT
10A
SPARE
DUAL HP
345
L28L28
L28
L16
MM
140-GN
FRONTLOWERWASHER7T8891
OPERATOR STATION
200-BK-14
173-YL
578-BU
200-BK
FLASHER8D6946
537-GN
L16
113-OR
603-PKL5
L4
MOTOR
200-BK-14
NNBK
130-GN
FRONTUPPERWASHER7T8891
STOPLAMP SW2M9346
BRAKEAIR SW9G8009
BRAKEAIR SW9G8009
604-OR
130-GN
200-BK
201-BK
408-WH
113-OR
MOTOR
WIRES THAT HAVE SYSTEM VOLTAGE WHEN THE KEY SWITCH IS OFF.
WIRES THAT HAVE SYSTEM VOLTAGE WHEN THE KEY SWITCH IS ON.
STARTING CIRCUIT.
GROUND CIRCUIT.
START AID CIRCUIT.
OPERATOR MONITOR CIRCUIT. (EMS)
BLADE CUSHION CONTROL CIRCUIT.
DIFFERENTIAL LOCK CONTROL CIRCUIT.
SECONDARY STEERING CONTROL CIRCUIT.
HEATER AND AIR CONDITIONER CIRCUIT.
TURN SIGNAL/WIPER/WASHER CIRCUIT.
WIRE GROUP COLOR DESCRIPTIONS
BULB1M5899
9F4337 B-11VV
F-118W3630
4M31366H0991
E-11E-11
C-10
C-86G7663UUD-128W2681TT
9M9812
8W36428W15127P6681
JJ
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF,
AND THE XMSN SHIFTER IN NEUTRAL.
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE.
HH5T9597
D-98W1967RRQQ
F-128W1498PP
E-11
B-11A-11A-11
GG
EECCAACABLE AS.
WW
NOTE B: FUSE 10A - 3K8782 20A - 8M0456.
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAGE.
1
A
2
L5
L5
C-88W6872ZZC-8
F-118G1228XX
8W6871YY
TOFRONT FRAME
BULB7H2976
BULB7H2976
TURNLAMP7G9318
TURNLAMP7G9318
200-BK
FC
THIS SCHEMATIC IS FOR THE 14G MOTOR GRADER
HEADLAMP4N9303
605-YL632-WH-14 632-WH-14
6363
631-GY-14631-GY-14606-GY
606-GY
606-GY
200-BK
HEAD LAMP1M6052
B-119S9016FF
SCHEMATIC NO. 9W1558 CHG 01.
SENR3652-01
20Page,Color2,DJM
WIRES THAT HAVE SYSTEM VOLTAGE WHEN THE KEY SWITCH IS OFF.
WIRES THAT HAVE SYSTEM VOLTAGE WHEN THE KEY SWITCH IS ON.
STARTING CIRCUIT.
GROUND CIRCUIT.
START AID CIRCUIT.
OPERATOR MONITOR CIRCUIT. (EMS)
BLADE CUSHION CONTROL CIRCUIT.
DIFFERENTIAL LOCK CONTROL CIRCUIT.
SECONDARY STEERING CONTROL CIRCUIT.
HEATER AND AIR CONDITIONER CIRCUIT.
TURN SIGNAL/WIPER/WASHER CIRCUIT.
WIRE GROUP COLOR DESCRIPTIONS
A-118C9677T
54
21
326-PU
103-YL-14
614-PU
614-PU
105-BR
109-OR-6
310-PU614-PU614-PU614-PU
L1
L1
L11
L25
L10L10
L10
L5
L5L3L3
L3
L27L27
L27L27
L26
L26L26
L9L9
L9L6
L6L6
L33
L34
L31
101-RD-6
200-BK-8200-BK-14
112-PU-8200-BK
200-BK-8200-BK-8
201-BK
200-BK-14
321-BR
203-BK
304-WH-8
121-YL145-BU
122-BU
103-YL-14
L5
L6
L7614-PU
556-WH
604-OR
603-PK
L7
L8
BKRDBU3
VV
201-BK-14
A Z
2
629-PK-14
629-PK-14
BULB1M5928
BULB1M5899
LOW BEAMHEAD LAMP1M3379
629-PK-14
BULB1M5928
LOW BEAMHEAD LAMP1M3379
BULB1M5899
BULB1M5899
OPENROPSONLY
BK-6
GOV SW 749-OR
BLOWER9W0604
BLOWER9W0604
9F4337 B-11VV
F-5Z
F-118W3630
NOTE
4M31366H0991
E-11E-11
C-10
C-86G7663UUD-128W2681TT
9M9812
8W36428W15127P6681
JJ
8W2683
8W2038
8W3022
8W3275
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF,
AND THE XMSN SHIFTER IN NEUTRAL.
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE.
7T8650
HH5T9597
D-98W1967RRQQ
C-6C-68W1982
E-6
ATCHSTD
B-8C8W1310
F-128W1498PPA-36G6109NN
E-11
B-11A-11A-11
A-58W1980MM
S 8W1966 C-7C-78W1965RF-7N
WIRE AS.
F-38W1978W
D-48W1979Q
D-28W1487PE-98W1486M
LK
D-11E-69W3160
8W1569 A-1A-18W1766F-128W1294
B-88W1311
C-38W1899D-6
GG
EECCAACABLE AS.
JHGFED
CBAHARNESS AS.
LOCPART NO.IDENT
WW
NOTE B: FUSE 10A - 3K8782 20A - 8M0456.
UNLESS OTHERWISE SPECIFIED: ALL WIRE IS 16 GAGE.
CIRCUIT GROUPINGDESIGNATION
#L
ATCH WIRE, CABLE,COMPONENT
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
BLUEGREEN
BUGN
RDWHORYLPKBK
BLADE, SPADE, RING,OR SCREW TERMINAL
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
ELECTRICAL CONNECTIONTO MACHINE STRUCTURE
CONNECTOR
SYMBOL DESCRIPTION
BROWNPURPLEGRAYBLACK
COLORABBREV
PINKYELLOWORANGEWHITERED
BRPUGY
1
C
B
A
23
13 2
F
E
D
456
6 5 4
789
9 8 7
101112
C
B
A
E
F
101112
D
AIR DRYER8W3087
606-GY
L21
L19
L19
L21L21
L24
L7
L7
L15
L22
L22L22
L22
L19
L23
L6
L28
614-PU
200-BK
570-BU
200-BK-14
417-GY
410-WH
L7
L15
L8
L28L28
L28
L17
L23
L16
L23
L24
L17
L6
L16
200-BK
200-BK
L5
L5
201-BK
BULB7H2976
BULB342535
BULB9W1281
BK-00
BK-00
WW
TT
COOLANTSENDER6N5926
COOLANTTEMP GAGE4W0483
441-OR
200-BK
123-WH
°T
IGN
SEND
GRD
HH
JJ
GG
BEACON(CLOSEDROPSONLY)6T8941
PP
A
XX
D
D
D
D A
201-BK
A
A
J
J
12V BATTERY9G4247
BKBK
417-GY
200-BK
145-BU200-BK
21
9PK-18BR-18 6
MOTOR RELAYGY-18GN-18
BK-18
GN-18
PU-18
BU-18OR-18
YL-18WH-18
OPR PANEL
KEY SW
STER SW
GROUND
+ BATTERY
ALTERNATOR
21
8
7
5
43
21
SECONDARYSTEERINGMOTOR8C5661
SECONDARYSTEERINGRELAY7N3621
SECONDARYSTEERINGCONTROL3T3964
728-BU
462-YL
727-GN
727-GN
727-GN
200-BK
462-YL
200-BK
BK-0
RD-0
BK-0
MOTOR
200-BK200-BK
403-GN107-WH107-WH
728-BU
417-GY727-GN
°T21
200-BK
BKRD
RD
TURNLAMP7T7818
2 1608-GN
608-GN
2637
4
51
REARFLOODLAMP9W1279
COOLANT SW8N1693
COOLANT SW7N9785
FUEL SW9W3187
START AIDSOLENOID9G4365
STOP/TAILLAMP9G4358
2
2
21
1
1
605-YL
614-PU
614-PU604-OR
604-OR
606-GY
BK-18
BK-18
310-PU
122-BU
603-PK
201-BK
201-BK
405-GY406-PU406-PU
200-BK
311-WH
311-WH
311-WH
311-WH
608-GN
605-YL604-OR614-PU608-GN121-YL321-BR606-GY
POS NEG
°T
°T
200-BK200-BK
WW
200-BK-6
200-BK-6200-BK
SERVICEMETER6T7337
200-BK-14
201-BK
200-BK
145-BU
200-BK
- +
TS
BULB342535
BULB7H2976
BEACON(OPENROPSONLY)6T8941
HH
GG
DIFFERENTIALLOCK SOLENOID7T9073
GNGN
200-BK-10
AA
CC
ENGINEOIL SW7T0988
ENGINEOIL SW7T0988
304-WH-10
304-WH-10200-BK-10
200-BK-10
A
EE
J
B
A
CC
D
D
12V BATTERY9G4247
21
201-BK-10
BK-0
107-WH
123-WH
403-GN
RD
DISCONNECT SW7N0718
556-WH200-BK
BK-00
TOFRAME
TOENGINE
STARTER3T4586
RESISTOR6T2217
21
BK-6
304-WH-8302-OR
302-OR
301-BU
RD-00
G S
MTRBAT
MOTOR
200-BK-8
101-RD-6RD-0
BK-00
207-BK
200-BK200-BK
TURNLAMP7T7818
BKRD
REFRIGERANT SW(NOTE A)9D6888
STOP/TAILLAMP9G4358
ALTERNATOR5S9088
AIRCONDITIONERCLUTCHSOLENOID7N4296
HYDRAULICOIL SW3T0190
BASE7G9730
BASE7G9730
PANELLAMP7N5876
PANELLAMP7N5876
BACKUPALARM3T1815
2
2
21
1
1
521-YL-14522-WH-14
522-WH-14513-OR-14
326-PU
614-PU614-PU200-BK200-BK
200-BK
400-GN
400-GN
123-WH
603-PK
404-YL
201-BK
413-BR
321-BR121-YL
201-BK
403-GN
606-GY
614-PU
604-OR
513-OR-14
521-YL-14
403-GN
109-OR-6
203-BK
BK-00
BK-00
20
SECONDARY STERGOVERNOR SW3T3132
749-OR
200-BK°T
21
AT
POS NEG
ALT
+R
STEERING SW8T8640
101-RD-14
103-YL-14
12
10
31
79
46
2
11
8
5
RR
N
A
M
326-PU
308-YL
614-PU
200-BK728-BU
573-GN
DEFROSTER5D2856
OPERATORSTATION
OPERATOR STATION
505-BU503-BR
504-YL GNGYBROR
42
31
H
L
MOTOR
°T
2 1609-YL
572-PU
151-GN
RESISTOR
BLOWER9G8183
BLOWER SW3D8754
BK
OR/GY
OR/BU
MOTOR
119-PK
TS
W/O HARNESS AS. JCONNECT PLUG B(417-GY)TO RECEPTACLE B(201-BK)
ZZYY
C-88W6872
102-BU-14
BASE7G9730
PANELLAMP7N5876
HEADLAMP SW3T3826
ALTERNATORBREAKER9S0173
REARWIPER6T6216
REARWIPER SW3T9495
60A
119-PK
119-PK
ZZ
109-OR-6109-OR101-RD
101-RD-6
101-RD-14
C-8
610-OR-14
631-GY-14
632-WH-14
629-PK-14
610-OR-14
102-BU-14
200-BK 614-PU
614-PU
B
WPL
H B
UU
101-RD-10
101-RD-6
101-RD-6
STARTAID SW7N8001 BEACON SW
(OPENROPSONLY)7N8000
C
C
C A
A
A
R
S
21
145-BU
CABFUSEBLOCK9G0747
OPERATOR STATION
BLADEFLOODLAMP SW7N8000
609-YL
DOMELAMP6T4864
151-GN
108-BU
108-BU
CABGROUND
REARDEFROSTER
DOMELAMP
149-PU
101-RD-14102-BU-14
HEAD LAMPBREAKER3T2662
15A
608-GN
608-GN
608-GN
200-BK-14 200-BK-8
342516
FUSENOTE B
20A
10A
10A
10A
10A
10A
10A
10A
10A
REAR FLOODLAMP SW7N8000
112-PU-8
141-PK
129-BU
144-GN
152-BU
118-GY
308-YL
310-PU
310-PU
614-PU
603-PK
116-BR
116-BR
144-GN
124-GN-14 124-GN-14614-PU614-PU
631-GY-14 631-GY-14632-WH-14632-WH-14
200-BK-8 200-BK-8
112-PU-8112-PU-8
F-11
605-YL
605-YL605-YL606-GY 606-GY
606-GY
8G1228
403-GN
603-PK
326-PU
122-BU
604-OR121-YL321-BR605-YL606-GY
614-PU614-PU556-WH
404-YL
201-BK
405-GY
413-BR
406-PU
304-WH-8
310-PU
207-BK302-OR311-WH
603-PK
109-OR-6
XX
A
1
REAR FRAME
FRONTDEFROSTFAN
CIGARLIGHTER
REARWIPER
BEACON
AIRCONDITIONER
FRONTLOWERWIPER
FRONTUPPERWIPER
200-BK-14
BASIC HEATER - 9W1391
F
G
G
2
201-BK-14
AA
GN
GN
A
Q
H
G
A
A
A
A
A
A
21
12123-WH
200-BK
BLOWER SW5D5659
BLOWER SW5D5659
35421
522-WH-14614-PU
200-BK-14
521-YL-14124-GN-14
MOTOR MOTOR
XX
LO BEAMHEAD LAMP SW3T1730
HEAD LAMPDIMMER SW2H1855
1
105-BR
105-BR
102-BU-14
103-YL-14
BASE7G9730
PANELLAMP8D1429
OPERATOR STATION
2 1574-WH
200-BK
572-PU572-PU
170-YL
PARKBRAKESOLENOID7T9074
OPERATORMONITORTEST SW7N8001
415-GN
201-BK-14
322-GY
BLOWER SW6P3236
RESISTOR9G1950
BLOWER9G8693
BLOWER9G8697 THERMOSTAT SW
6T9395
TURNSIGNAL SW8D6947
HORN SW8W1957
BASE7G9730
PANELLAMP7N5876
DIAGNOSTIC CONNECTOR
KEY SW9G7641
34521
1918171615
1413 192711364812105
2 1
2
21
1
35421
101-RD
109-OR
302-OR
207-BK
311-WH
203-BK
306-GN
304-WH
308-YL
112-PU
310-PU
105-BR
307-OR
WH/RD-14
WH/RD-14BK-14
BK-14522-WH-14
522-WH-14614-PU 614-PU-14
200-BK-14
200-BK-14
200-BK-14
200-BK-14
517-BU-14516-GN-14
515-GY-14
515-GY-14
515-GY-14
521-YL-14
521-YL-14
124-GN-14
124-GN-14
629-PK-14
629-PK-14
610-OR-14
610-OR-14
631-GY-14
631-GY-14632-WH-14
632-WH-14
619-GN-14611-PU-14
606-GY
606-GY
605-YL
605-YL
537-GN
322-GY
114-GN
200-BK
614-PU
629-PK-14
MOTOR
MOTOR
ST
ON
OFF
BSCR
OR
GRN
BLU
BLK
RED
°T
32
65
41
200-BK
200-BK-14200-BK
200-BK-14
109-OR-6
112-PU-10
321-BR
200-BK
307-OR
306-GN
BEACON SW(CLOSEROPSONLY)7N8000
K
L
BASE3T3158
ACTIONALARM9G9813
21
B
A
A
MM
152-BU
118-GY
FRONT FRAMEGROUND
NEUTRAL/START SW3T1804
200-BK-14130-GN
200-BK
200-BK
BACKUPALARM SW3T1804
SECONDARYSTEERINGINDICATORLAMP7N5876
462-YL
FRONTLOWERWASHER7T8891
OPERATOR STATION
OPERATOR STATION
200-BK-8
200-BK-14
200-BK
200-BK-8
STARTRELAY9F3099
MAINRELAY3T0376
2
21
1BKRD
304-WH-8
306-GN
304-WH
200-BK-14
200-BK
200-BK
306-GN
307-OR
410-WH201-BK
109-OR-6
112-PU-8
308-YL
308-YL
112-PU
310-PU
FRONTUPPERWIPER SW3T6655
FRONTLOWERWIPER SW3T6655
DIFFLOCK SW7N8000
MASTERACTIONLAMP7N1996
173-YL
201-BK
411-PK
556-WH
165-YL
537-GN
506-PU
506-PU
603-PK
575-YL
576-PK
577-PU
500-BR
501-GN
502-OR
152-BU
152-BU
118-GY
118-GY
118-GY152-BU144-GN
144-GN
200-BK
129-BU
129-BU141-PK
578-BU
578-BU
200-BK
L3
L13
L17
614-PU
FLASHER8D6946
537-GN
L16
L8
L17L16
L2
L9
8W5079
113-OR
603-PK
604-OR410-WH
169-PK114-GN556-WH
614-PU
614-PU200-BK-14
BACKUP ALARM
OPERATOR MONITOR10ATURN SIGNAL
112-PU-10
114-GN
GAGES
L7
L7
L10
L6
103-YL-14
145-BU
FUSEBLOCK9G0747
FUSEBLOCK9G0747
PARK BRAKE
L5
107-WH
L4
SECOND. STER SW
170-YL
SECONDARY STEER CONT
FRONT FLOODS
149-PU
121-YL
FUSENOTE BFUSE
NOTE B
165-YL
130-GN
-OR
123-WH
165-YL
123-WH
114-GN
116-BR
144-GN
105-BR
122-BU
169-PK
101-RD-10
10A10A
10A10A
10A10A
10A10A
10A10A
10A10A
L2
10A
L2
10A
L2
L1
L1
SPARE
HORN
KEY SW
REAR FLOODS
STOP LAMPS
TAIL LAMPS
CUSHION BLADE
AIR DRYERBEACON
DIFF LOCK
BLADE FLOAT
165-YL
10A
SPARE
DUAL HP
200-BK
L32
201-BK
L33
107-WH
123-WH
403-GN
201-BK
L8
L33
MOTOR
B
WP
L
H B
B
WPL
H B
L33
L31 L31
L32L32
L29
749-OR
200-BK
L30
L35
L35
L30
L29
L3
L34
L36
L32
L35
L8
L33
L34
L36
L31
L3
L11
L12
L18
L18
L11
L25
L25
629-PK-14
614-PU
109-OR-6
A
L11
L18
L22
L2
L12
L12 L12
L12
L12
L9
L13
L14
BK AIR PR
PRIM STER
COOL TEMP
+ BATTERY
GROUND
ALTERNATOR
HYD TEMPENG OIL PR
ALARMLAMP
FUEL PR
TEST
11
20
1918
17
16
15
14
13
12
10
9
8
7
654
3
2
1
201-BK
201-BK
200-BK
200-BK-14
DIFFERENTAILLOCK INDICATORLAMP7N5876
556-WH200-BK-14 200-BK
200-BK
200-BK
TOFRONT FRAME
611-PU-14
619-GN-14
BULB1M5898
BULB7H2976
BULB7H2976
TURNLAMP7G9318
TURNLAMP7G9318
200-BK-14
200-BK-14
BASE3T3158
BASE3T3158
E
F
C
W
A
A P
PP
A
B
8W6871
21
YY
L14
417-GY
FORWARDHORN7T0969
OPERATORSTATION
200-BK574-WH
573-GN
572-PU
572-PU
GN
GN
GN
GN
RESISTOR
9G8183
BLOWER SW3D8754
BLADEFLOODLAMP8C5582
2 1114-GN
322-GY
HEAD LAMP1M6052
114-GN
614-PU
200-BK
DEFROSTER5D2856
BK
OR/GY
OR/BU
LEFTTURNINDICATORLAMP7N5876
BASE7G9730
ARTICULATIONINDICATORPANELLAMP7N5876
OPERATORMONITOR3T9200
605-YL
606-GY605-YL
606-GY605-YL
619-GN-14611-PU-14
322-GY
570-BU200-BK
2 211
BLADECUSHIONSOLENOID7T6517
BLADECUSHIONSOLENOID7T6517
141-PK
200-BK
200-BK
200-BK
570-BU
570-BU
570-BU
632-WH-14631-GY-14
609-YL
609-YL
609-YL
609-YL
605-YL
HEADLAMP4N9303
21
200-BK
619-GN-14
611-PU-14
605-YL
605-YL611-PU-14619-GN-14606-GY
201-BK
201-BK
201-BK
415-GN404-YL405-GY406-PU
201-BK-14
413-BR
408-WH113-OR
403-GN
201-BK
410-WH411-PK
BULB9W1281
J
MOTOR
21
TOFRONT FRAME
201-BK-14201-BK-14
201-BK-14
201-BK-14
201-BK
201-BK
201-BK
200-BK-14
200-BK
200-BK
200-BK-14
200-BK-14
BULB9W1281
BULB7H2976
BULB7H2976
TURNLAMP7G9318
TURNLAMP7G9318
200-BK-14
BASE3T3158
BASE3T3158
NNBK
114-GN
E
F
J B
B
C
C
FFA
C
AUX STARTRECEPTACLE B
K-00
RD-00
200-BK
130-GN
21
201-BK21
SECONDARYSTER SW7N8001
462-YL
727-GN
417-GY
417-GY
FRONTUPPERWASHER7T8891
OPERATORSTATION
GNGYBROR
42
31
H
L
MOTOR
°T
GNGYBROR
42
31
H
L
MOTOR
°T
THIS SCHEMATIC IS FOR THE 14G MOTOR GRADER
BK-00
RD-00
L14
500-BR
501-GN
502-OR
118-GY
152-BU
575-YL
576-PK
577-PU
FRONT LOWERWIPER6T6216
FRONT UPPERWIPER6T6216
RIGHTTURNINDICATORLAMP7N5876
BLADE CUSHIONINDICATORLAMP7N5876
BLADECUSHION SW7N8000
141-PK
606-GY
556-WH
570-BU
169-PK
570-BU
STOPLAMP SW2M9346
BRAKEAIR SW9G8009
BRAKEAIR SW9G8009
21
604-OR
130-GN
200-BK
201-BK
408-WH
113-OR
BLADEFLOODLAMP8C5582
HEADLAMP4N9303
609-YL
605-YL632-WH-14 632-WH-14
632-WH-14
631-GY-14
631-GY-14631-GY-14606-GY
606-GY
606-GY
611-PU-14
619-GN-14
200-BK
200-BK
HEAD LAMP1M6052
417-GY
MOTOR
B-119S9016FF
SCHEMATIC NO. 9W1558 CHG 01.
SENR3652-01
20Page,DJM
©2003 CaterpillarPrinted in U.S.A.
SENR3652-01
June 2003
14G Motor Grader
Electrical System
96U7046-UP
All Rights Reserved
PART NO. FUNCTION ACTUATE DEACTUATE
NORMAL
CONDITION
9G8009Parking Brake Pressure (EMS)
Brake Air Pressure (EMS)
517 ± 35 kPa
(75.0 ± 5.0 psi)
448 ± 35 kPa
(65.0 ± 5.0 psi)N.O.
2M9346 Stop Lamp (Pressure)45 kPa MAX
(6.5 psi MAX)
5 kPa MIN
(0.5 psi MIN)N.O.
7N9785 Engine Coolant Temp. (EMS)107.2 ± 2.8ºC
(225 ± 5ºF)
91.0ºC MIN
(196ºF MIN)N.C.
8N1693 Engine Coolant Temp. (Start Aid)37.8 ± 2.8ºC
(100 ± 5ºF)
26.7ºC MIN
(80ºF MIN)N.C.
3T0190 Hydraulic Oil Temp. (EMS)87.78 ± 2.8ºC
(190 ± 5ºF)
79.44ºC MIN
(175ºF MIN)N.C.
7T0988Engine Oil Pressure (EMS)
Engine Oil Pressure (S. Meter)
62 ± 21 kPa
(9.0 ± 3.0 psi)
38 ± 21 kPa
(5.0 ± 3.0 psi)N.O.
8T8640 Secondary Steering Pressure1206 kPa MAX
(175 psi MAX)
700 ± 50 kPa
(100 ± 7 psi)N.C.
9W3187 Fuel Pressure (EMS)93 ± 21 kPa
(13.5 ± 3.0 psi)
69 ± 21 kPa
(10.0 ± 3.0 psi)N.C.
N.O. = NORMALLY OPEN
N.C. = NORMALLY CLOSED
SWITCH SPECIFICATIONSComponent
Schematic
Location
Machine
LocationComponent
Schematic
Location
Machine
Location
Alarm - Backup C-12 1 Switch - Backup Alarm C-6 B
Alarm - Action C-6 B Switch - Beacon - Close ROPS Only B-4 D
Alternator A-12 43 Switch - Beacon - Open ROPS Only C-7 D
Batteries F-11,A-11 3 Switch - Blade Cushion B-3 A
Breaker - Alternator E-8 B Switch - Blade Flood Lamp C-7 D
Breaker - Head Lamp A-7 33 Switch - Blower - A/C E-4 C
Control - Secondary Steering D-11 5 Switch - Blower - Front Defroster E-2 D
Dryer - Air A-11 6 Switch - Blower - Rear Defroster D-9 D
Flasher - Turn Signal A-5 7 Switch - Differential Lock B-4 A
Gauge - Engine Coolant Temperature D-11 8 Switch - Disconnect A-11 20
Horn - Forward F-2 9 Switch - Engine Coolant Temp - EMS E-12 21
Meter - Service C-11 10 Switch - Engine Coolant Temp - Start Aid D-11 22
Monitor - Operator -EMS D-3 A Switch - Engine Oil Pressure - EMS E-11 23
Motor - Blower - Front Defroster E-2 D Switch - Engine Oil Pressure - Service Meter D-11 24
Motor - Blower - Rear Defroster D-9 D Switch - Front Lower Wiper C-4 D
Motor - Front Lower Washer A-4 D Switch - Front Upper Wiper C-4 D
Motor - Front Lower Wiper C-2 D Switch - Fuel Pressure - EMS B-12 25
Motor - Front Upper Washer A-3 D Switch - Head Lamp D-7 B
Motor - Front Upper Wiper C-2 D Switch - Head Lamp Dimmer F-5 26
Motor - Rear Wiper E-8 D Switch - Horn D-4 A
Motor - Starter C-11 11 Switch - Hydraulic Oil Temperature - EMS C-10 27
Motor - Secondary Steering F-11 12 Switch - Key Start D-6 B
Motors - Blower - A/C E-5 D Switch - Lo Beam Head Lamp C-7 B
Motors - Blower - Heater E-5 D Switch - Neutral/Start C-6 B
Relay - Main C-6 B Switch - Operator Monitor Test - EMS D-4 A
Relay - Start C-6 B Switch - Rear Flood Lamp C-7 B
Relay - Secondary Steering E-11 13 Switch - Rear Wiper E-9 D
Resistor - Blower Motor Speed - A/C E-5 D Switch - Refrigerant Pressure - A/C B-12 28
Resistor - Blower Motor Speed - Front Defrost E-2 D Switch - Start Aid C-8 B
Resistor - Blower Motor Speed - Rear Defrost D-9 D Switch - Steering Oil Pressure - Secondary F-7 29
Resistor - Starter to Diagnostic Connector C-11 14 Switch - Stop Lamp Pressure A-3 30
Resistors - Blower Motor Speed - Heater E-6 D Switch - Secondary Steering B-3 A
Sender - Engine Coolant Temperature D-12 15 Switch - Secondary Steering Governor C-12 31
Solenoid - Air Conditioner Clutch A-11 16 Switch - Thermostat - A/C E-4 D
Solenoid - Differential Lock B-11 17 Switch - Turn Signal E-4 A
Solenoid - Parking Brake D-5 B Switches - Air Brake Pressure - EMS A-3 32
Solenoid - Start Aid B-12 18 Switches - Blower - Heater E-6 C
Solenoids - Blade Cushion (2) D-2 19
A - Components located in or on the front dash area.
B - Components located in or on the right console.
C - Components located in or on the left console.
D - Components located in the operators compartment.
Component LocationConnector Location
Connector NumberSchematic
Location
Machine
Location
CONN 1 F-12 4
CONN 2 C-8 37
CONN 3 B-8 34
CONN 4 B-8 34
CONN 5 F-7 35
CONN 6 B-7 9
CONN 7 E-6 38
CONN 8 Diagnostic Connector D-6 36
CONN 9 F-5 34
CONN 10 F-4 34
CONN 11 B-3 29
CONN 12 F-2 29
The connectors shown in this chart are for harness to harness connectors.
Connectors that join a harness to a component are generally located at or near
the component. See the Component Location Chart.
Resistor, Sender and Solenoid SpecificationsPart No. Component Description Resistance (Ohms)¹
6T2217 Resister: Starter 150 ± 7
9G1950 Resister: Blower 2 ± .1
6T2217 Sender: Engine Coolant Series - 312, Limits 5806 - 7264
7T9073 Solenoid: Differential Lock 32.6 ± 1.6
7N4296 Solenoid: A/C Clutch 12.5
7T9074 Solenoid: Park Brake 74 ± 7.4
7T6517 Solenoid: Blade Cushion 32.6 ± 1.6
9G4365 Solenoid: Start Aid 6
¹ At room temperature unless otherwise noted.
Related Electrical Service Manuals
Form Number
Alternator: 5S9088 RENR1252
Electric Starting Motor: 3T4586 SENR3581
Service Bulletin: SENR7510
Testing and Adjusting: RENR1252
Starting and Charging: SENR2947
Title
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 AA
1
2
325-PK-14
C A
325-PK-14
200-BK-14
T
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 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 HarnessAssembly Identification
Single WireConnector
Circuit NumberIdentification
Wire
Gauge
WireColor
Plug Receptacle
9X-1123
ComponentPart Number
Electrical Schematic Symbols And Definitions
1
1 1
2 2
Typical representation of a
Sure-Seal connector. The
plug and 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.
Machine Harness Connector And Component Locations
WIRE DESCRIPTION
Wire
Number
Wire
ColorDescription
Wire
Number
Wire
ColorDescription
POWER CIRCUITS MONITORING CIRCUITS (CONTINUED)
101 RD Battery 410 WH Operator Mon Panel Action Alarm
102 BU Head Lamp 411 PK Operator Mon Panel Action Lamp
103 YL Tail Lamps 413 BR Operator Mon Panel Fuel Press.
105 BR Key Switch 415 GN Operator Mon Panel Test Sw.
108 WH Main Power Relay 417 GY Primary Steering Sw.
107 WH Secondary Steering Control 441 OR Engine Coolant Temp Gauge
109 OR Alternator 442 GY Hydraulic System Temp Gauge
110 GN Windshield Wiper Sw. (Right) 462 YL Steering Motor Indicator
113 OR Operator Monitor Panel
114 GN Warning Horn (Forward) 500 BR Windshield Wiper - Front (Park)
116 BR Flood Lamp (Rear) 501 GN Windshield Wiper - Front (Low)
118 GY Windshield Wiper Sw. (Front) 502 OR Windshield Wiper - Front (High)
119 PK Windshield Wiper Sw. (Rear) 503 BR Windshield Wiper - Rear (Park)
121 YL Backup Alarm/Lamp 504 YL Windshield Wiper - Rear (Low)
122 BU Air Dryer 505 BU Windshield Wiper - Rear (High)
123 WH Service Meter 506 PU Windshield Washer - Front
124 GN Blower Switch 513 OR Blower Motor (High)
129 BU Cigar Lighter 515 GY Blower Motor (Low)
130 GN Stop Lamp Sw. 516 GN Hazard Flasher To Switch
141 PK Defroster (Front) 517 BU Thermostat To Refrigerant Press. Sw.
144 GN Beacon Sw. 521 YL Air Cond. Clutch To Thermostat Sw.
151 GN Defroster 522 WH Windshield Wiper-Left (Park)
152 BU Wiper Switch (Front Lower) 537 GR Turn Signal Sw. To Flasher
165 YL Differential Lock 556 WH Differential Lock
169 PK Blade Cushion 570 BU Blade Cushion Solenoid
170 YL Blade Float 572 PU Blade Float Limit Sw. No. 1
573 GN Blade Float Limit Sw. No. 2
200 BK Main Chassis 574 WH Blade Float Solenoid
201 BK Operator Monitor Panel 575 YL Windshield Wiper - Aux (Park)
203 BK Chassis Diagnostic 576 PK Windshield Wiper - Aux (Low)
207 BK Starter Diagnostic 577 PU Windshield Wiper - Aux (High)
578 BU Windshield Washer - Aux
301 BU Starter No, 1 Solenoid To Resistor
302 OR Starter No. 1 Resistor To Diagnostic 603 PK Rotary Beacon
304 WH Starter Relay No, 1 Output 604 OR Stop Lamp
306 GN Starter Relay Coil/Neutral Start Sw. 605 YL Turn - Left
307 OR Key Sw. To Neutral Start Sw. 606 GY Turn - Right
308 YL Main Power Relay Coil 608 GN Flood - Rear
310 PU Ether Sw. To Ether Solenoid 609 YL Flood - Blade
311 WH Ether Solenoid To Temperature Sw. 610 OR Dimmer Sw.
321 BR Backup Alarm/Lamp/Travel Alarm 611 PU Headlamp - Attach. High Beam
322 GY Warning Horn (Forward) 614 PU Park/Tail/Dash
326 PU Key Switch "'C"" Terminal 619 GR Headlamp Low
629 PK Low Beam Headlamp
400 GN Service Meter Switch 631 GY Headlamps
403 GN Alternator (A) Terminal 632 WH Headlamps
404 YL Operator Mon Panel Hyd. Oil Temp
405 GY Operator Mon Panel Oil Press. 727 GN Steering Motor Relay
406 PU Operator Mon Panel Coolant Temp 728 BU Secondary Steering Control Sw.
408 WH Operator Mon Panel Brake Press. (Air) 749 OR Secondary Steering Control Sw.
ACCESSORY CIRCUITS
LIGHTING CIRCUITS
CONTROL CIRCUITS
GROUND CIRCUITS
BASIC MACHINE CIRCUITS
MONITORING CIRCUITS
A
A
3
3
4
4
5
6
6
8
8
9
10
10
11
11
12
12
14
14
15
15
13
13
16
16
B
B
C
C
D
D1
1
2
2
17
17
18
18
19
19
5
20
22
22
23
23
24
24
9
21
29
29
30
30
31
31
32
32
35
28
25
28
21
25
3
33
33
3
7
7
34
34
20
35
40
41
41
40
42
43
43
37
38 39
3637
38 39
36
42
26
26
27
27
14G & 16G Motor GradersHydraulic System
SENR2452September 1981
ders
SENR24528 Page, UHE
Hydraulic System
14G:96U3820-UP
16G:93U1538-UP
©1981 CaterpillarAll Rights Reserved
Printed in U.S.A.
1 CYLINDER FOR WHEEL2 CYLINDER FOR CENTE3 CYLINDERS FOR BLADE4 CYLINDER FOR BLADE5 CYLINDER FOR BLADE6 CYLINDERS FOR ARTIC7 CYLINDER FOR STEER8 CYLINDER FOR STEER9 METERING PUMP FOR
10 COMBINATION VALVE11 RELIEF AND REDUCING12 UNLOADING VALVE13 RELIEF VALVE FOR CO14 IMPLEMENT PUMP15 VARIABLE DISPLACEME16 PUMP FOR COOLING17 COOLER18 CONTROL VALVE GROU19 CONTROL VALVE GROU20 VALVE FOR ARTICULAT21 VALVE FOR CENTER SH22 VALVE FOR WHEEL LEA23 VALVE FOR BLADE LIFT24 VALVE FOR ATTACHME25 VALVE FOR ATTACHME26 VALVE FOR BLADE TIP27 VALVE FOR CIRCLE DR28 VALVE FOR BLADE SID29 VALVE FOR ATTACHME
WHEEL LEANCENTER SHIFT
R BLADE LIFTBLADE SIDE SHIFTBLADE TIP
R ARTICULATIONSTEERING (R.H.)STEERING (L.H.)P FOR STEERING
VALVEDUCING VALVELVEFOR COOLERMPLACEMENT PUMP
OLING
E GROUPE GROUP
TICULATIONNTER SHIFTEEL LEAN
ADE LIFTTACHMENTTACHMENTADE TIPCLE DRIVE
ADE SIDE SHIFTTACHMENT
27 VALVE FOR CIRCLE DR28 VALVE FOR BLADE SID29 VALVE FOR ATTACHME30 VALVE FOR ATTACHME31 LOCK CHECK VALVE32 LOCK CHECK VALVE33 LOCK CHECK VALVE34 RELIEF VALVES FOR ST35 HYDRAULIC MOTORFO36 CYLINDER FOR RIPPER37 HYDRAULIC TANK38 FILTERS39 SWIVEL40 ACCUMULATORS41 LOCK CHECK VALVE42 PILOT VALVE (SOLENO43 CYLINDER FOR DOZER44 LOCK CHECK VALVE (P45 CYLINDER FOR SCARIF46 LOCK CHECK VALVE (W47 PILOT VALVE (SOLENO48 LOCK CHECK VALVES (
CLE DRIVEADE SIDE SHIFTTACHMENTTACHMENTALVEALVEALVEFOR STEERING
TORFOR CIRCLE DRIVERIPPER
NK
SALVEOLENOID OPERATED)DOZER OR PLOWALVE (PILOT OPERATED)SCARIFIERALVE (WITH RELIEF)OLENOID OPERATED)ALVES (PILOT OPERATED)
SENR24528 Page, UHE
SENR24528 Page, UHE
©1981 CaterpillarAll Rights Reserved
Printed in U.S.A.
SENR2452September 1981
14G & 16G Motor GradersHydraulic System
14G:96U3820-UP
16G:93U1538-UP
SENR24528 Page, UHE
1 CYLINDER FOR WHEEL LEAN2 CYLINDER FOR CENTER SHIFT3 CYLINDERS FOR BLADE LIFT4 CYLINDER FOR BLADE SIDE SHIFT5 CYLINDER FOR BLADE TIP6 CYLINDERS FOR ARTICULATION7 CYLINDER FOR STEERING (R.H.)8 CYLINDER FOR STEERING (L.H.)9 METERING PUMP FOR STEERING10 COMBINATION VALVE11 RELIEF AND REDUCING VALVE12 UNLOADING VALVE13 RELIEF VALVE FOR COOLER14 IMPLEMENT PUMP15 VARIABLE DISPLACEMENT PUMP16 PUMP FOR COOLING17 COOLER18 CONTROL VALVE GROUP19 CONTROL VALVE GROUP20 VALVE FOR ARTICULATION21 VALVE FOR CENTER SHIFT22 VALVE FOR WHEEL LEAN23 VALVE FOR BLADE LIFT24 VALVE FOR ATTACHMENT25 VALVE FOR ATTACHMENT26 VALVE FOR BLADE TIP27 VALVE FOR CIRCLE DRIVE28 VALVE FOR BLADE SIDE SHIFT29 VALVE FOR ATTACHMENT30 VALVE FOR ATTACHMENT31 LOCK CHECK VALVE32 LOCK CHECK VALVE33 LOCK CHECK VALVE34 RELIEF VALVES FOR STEERING35 HYDRAULIC MOTORFOR CIRCLE DRIVE36 CYLINDER FOR RIPPER37 HYDRAULIC TANK38 FILTERS39 SWIVEL40 ACCUMULATORS41 LOCK CHECK VALVE42 PILOT VALVE (SOLENOID OPERATED)43 CYLINDER FOR DOZER OR PLOW44 LOCK CHECK VALVE (PILOT OPERATED)45 CYLINDER FOR SCARIFIER46 LOCK CHECK VALVE (WITH RELIEF)47 PILOT VALVE (SOLENOID OPERATED)48 LOCK CHECK VALVES (PILOT OPERATED)
