SCHEMATIC FOR D6H SERIES II TRACTOR ELECTRICAL SYSTEM

For D6H Series II, see the included additional illustrations
SENR4236-01
January 1993
D6H & D6H Series II Tractors
Electrical System
4RC2445-5499
6FC692-5499
8FC4000-5499
1KD4000-5499
2KD4000-5499
3ED4000-5499
3ZF1-5499
4YF1-5499
5HF1-5499
6CF1-5499
2TG525-5499
3YG1-5499
4GG1-5499
4LG935-5499
1FJ482-5499
2DK1-5499
©
1993 Caterpillar
All Rights Reserved
Printed in U.S.A.
A
1
2
3
4
5
67
8
9
10
11
12
13
14
15
16
3
4
5
6
8
9
10
11
12
14
15
13
16
1
2
17
18
19
20
21
22
23
24
25
26
7
B
C
D
E
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
3
4
5
6
8
9
10
11
12
14
15
13
16
1
2
17
18
19
20
21
22
23
24
25
26
7
Component Location
Component
Schematic
Location
Machine
Location
Component
Schematic
Location
Machine
Location
Alarm - Backup
E-9 1
Solenoid - Start Aid
F-2 12
Alarm - Fault
D-8 C
Switch - Backup Alarm
E-6 13
Alternator
B-1 2
Switch - Blower A/C
B-3 A
Batteries
F-4 3
Switch - Blower Heater
A-3 A
Breaker - Alternator
E-7 E
Switch - Disconnect
F-4 14
Breaker - Blower Motor
F-6 E
Switch - Dome Lamp
A-7 D
Gauge - Engine Coolant Temp
B-4 A
Switch - Engine Coolant Temp (EMS)
C-2 15
Gauge - Hydraulic Oil Temp
A-4 A
Switch - Engine Coolant Temp (S Aid)
D-2 16
Gauge - Power Train Temp
B-4 A
Switch - Engine Oil Pressure (EMS)
C-2 17
Horns - Forward
F-1 4
Switch - Engine Oil Pressure (S Aid)
C-2 18
Meter - Service
B-5 A
Switch - Flood Lamp
B-6 A
Monitor - Operator (EMS)
D-4 A
Switch - Forward Horn
B-5 B
Motor - Blower
A-2 A
Switch - Front & Dash Lamp
B-6 A
Motor - Front Wiper
C-4 D
Switch - Front Wiper
B-7 D
Motor - Left Wiper
D-8 D
Switch - Fuel Pressure (EMS)
C-2 19
Motor - Rear Wiper
C-8 D
Switch - Hydraulic Oil Temp (EMS)
A-6 20
Motor - Right Wiper
B-6 D
Switch - Key Start
C-5 A
Motor - Starter
A-2 5
Switch - Left Wiper
B-7 D
Motor - Washer
A-8 6
Switch - Neutral/Start Diff Steer
D-7 21
Motors - Blower
B-3 A
Switch- Neutral/Start Direct Drive
B-9 22
Relay - Main
F-8 E
Switch - Operator Monitor Test
D-5 A
Relay - Start
F-6 E
Switch - Power Train Filter Pressure
A-6 23
Resistor - Blower Motor Speed A/C
A-3 A
Switch - Power Train Filter Temp (EMS)
C-2 24
Resistor - Blower Motor Speed Heater
A-2 A
Switch - Power Train Oil Temp (EMS)
B-2 25
Resistor - Starter To Diagnostic Conn
A-2 7
Switch - Rear Wiper
B-8 D
Sender - Engine Coolant Temp
B-2 8
Switch - Refrigerant A/C
F-2 26
Sender - Hydraulic Oil Temp
A-6 9
Switch - Right Wiper
B-8 D
Sender - Power Train Oil Temp
B-2 10
Switch - Start Aid
C-6 A
Solenoid - A/C Clutch
B-2 11
Switch - Thermostat A/C
B-3 A
Connector Location
Connector Ident.
Harness And/Or
Components
Schematic
Location
A - 5G9497
Diagnostic Connector
F-7
A - 5G9497
Operator Monitor (EMS)
D-4
10 CONTACTS
G - 7T9222
H - 7T9218
B-7
9 CONTACTS
A - 5G9497
C - 7T8326
D-6
8 CONTACTS
G - 7T9222
H - 7T9218
B-8
A - 5G9497
B - 6T6074
D-3
A - 5G9497
B - 6T6074
E-3
A - 5G9497
C - 7T8326
D-5
A - 5G9497
E - 3W4902
A-6
A - 5G9497
M - 3T7147
B-4
A - 5G9497
N - 9W1816
C-3
A - 5G9497
W - 6Y3416
B-3
G - 7T9222
Front Wiper Motor
C-4
G - 7T9222
Left Wiper Motor
D-7
G - 7T9222
Right Wiper Motor
B-6
J - 3T6373
Rear Wiper Motor
C-8
20 CONTACTS
7 CONTACTS
4 CONTACTS
Wire Description
Wire
Wire
Color
Description
Wire
Number
Wire
Color
Description
Power Circuits
Monitoring Circuits (Continued)
101 RD BAT 410 WH OPR MON FAULT ALARM
102 BU HD LMP 411 PK OPR MON MASTER FAULT LAMP
105 BR KEY SW 413 BR OPR MON FUEL PRESS.
108 BU AUX CKT 415 GN OPR MON TEST SW
109 OR ALT OUTPUT (+)TERM. 424 GY OPR MON POWER TRAIN TEMP
112 PU MAIN POWER RELAY OUTPUT 426 BR OPR MON POWER TRAIN OIL FILTER
113 OR OPR MON PANEL VMIS B+ SWITCHED 441 OR ENG COOLANT TEMP GAGE
114 GN WARNING HORN (FORWARD) 442 GY HYD SYSTEM TEMP GAGE
116 BR AUX CKT 443 YL POWER TRAIN TEMP GAGE
121 YL BACKUP ALARM TO LAMP
Accessory Circuits
123 WH AUX CKT 500 BR WIPER - FRONT (PARK)
124 GN A/C 501 GN WIPER - FRONT (LO)
Ground Circuits
502 OR WIPER - FRONT (HI)
200 BK MAIN CHASSIS 503 BR WIPER - REAR (PARK)
201 BK OPR MON PANEL VMIS CMS 504 YL WIPER - REAR (LO)
203 BK CHASSIS DIAGNOSTIC 505 BU WIPER - REAR (HI)
207 BK STARTER DIAGNOSTIC 510 YL WASHER - PRIMER
Basic Machine Circuits
513 OR A/C COMPRESSOR/REFRIGERANT PRESS. SW
301 BU STARTER NO.1 SOL 515 GY BLOWER MOTOR (HI)
302 OR STARTER NO.1 RESISTOR TO DIAGNOSTIC 516 GN BLOWER MOTOR (MEDIUM)
304 WH STARTER RELAY NO.1 OUTPUT 517 BU BLOWER MOTOR (LO)
306 GN
STARTER RELAY COIL TO NEUT START SW OR
KEY SW
521 YL A/C SW TO REFRIGERANT SW
308 YL MAIN POWER RELAY COIL 522 WH A/C CLUTCH TO THERMOSTAT SW
310 PU START AID SW TO START AID SOL 523 BR WIPER - LEFT (PARK)
311 WH START AID SOL TO TEMP SW 524 BU WIPER - LEFT (LO)
321 BR BCKP ALARM LAMP TRAVEL ALARM 525 GY WIPER - LEFT (HI)
322 GY WARNING HORN (FORWARD) 526 YL WIPER - RIGHT (PARK)
Monitoring Circuits
527 GN WIPER - RIGHT (LO)
400 GN SERVICE METER SW 528 PK WIPER - RIGHT (HI)
403 GN ALTERNATOR (R)TERM.
Lighting Circuits
404 YL OPR MON HYD OIL TEMP 600 BR DASH LAMP BASIC
405 GY OPR MON OIL PRESS. (LO SETTING) 608 GN FLOOD LAMP - REAR
406 PU OPR MON COOLANT TEMP 609 YL FLOOD LAMP - SIDE
610 OR HEAD LAMP BASIC
306-GN 306-GN
T
1
2
2
1
A
T
A
T
NEUTRAL
START SW
9P9520
307-OR
306-GN
2
1
BK/PK
BK/PK
200-BK
321-BR
BACKUP
ALARM SW
7T8744
LEFT CONSOLE
TO FRAME GROUND
TO BACK UP ALARM
REAR OF TRANSMISSION
C50910P1
D6H Series II With Direct Drive And Clutch/Brake Steering
Harness A is Part No. 8E0841.
Harness T is Part No. 3T8636.
D6H Series II With Power Shift And Clutch/Brake Steering
Harness A is Part No. 8E0841.
Harness RR is Part No. 3W9383.
C50911P1
REAR OF TRANSMISSION
RR
A
306-GN
2
1
306-GN
RR
2
1
A
LEFT CONSOLE
306-GN
306-GN
RR
9W1581
NEUTRAL
START SW
TO FRAME GROUND
TO BACK UP ALARM
BACK UP
ALARM SW
7T8744
BK/PK
BK/PK
TO KEY START SWITCH
TO START RELAY
321-BR
200-BK
1
2
A
A
C509910P1
Harness WW is Part No. 8E1538.
Harness UU is Part No. 8E3007.
Harness A is Part No. 8E0841.
D6H Series II With Power Shift And Differential Steering
307-OR
UU
306-GN
UU
UU
2
WW
1
306-GN
307-OR
REAR OF TRANSMISSION
306-GN
1
A
2
306-GN
2
1
A
200-BK
321-BR
NEUTRAL
306-GN
START SW
9N1750
CONTROL
TILLER
DIFF STEER
WW
WW
WW
WW
9N1750
ALARM SW
BACKUP
321-BR
321-BR
2
200-BK
W
A
1
TO BACK UP ALARM
TO FRAME GROUND
TO KEY START SWITCH
TO KEY START SWITCH
TO START RELAY
TO START RELAY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
C10353P2
C10352P2
HARNESS CONNECTOR AND COMPONENT LOCATIONS
Off Machine Switch Specification
Part No. Function Actuate Deactuate Contact Position
9G1300 Hydraulic Oil Temp. (EMS)
110.0 ± 2.8°C
(230 ± 5°F)
101 .7°C MIN
(215°F MIN)
N.C.
9G3341 Power Train Oil Temp. (Filter) (EMS)
51.7 ± 2.8°C
(125 ± 5°F)
43.0°C MIN
(110°F MIN)
N.C.
7N9785 Engine Coolant Temp. (EMS)
107.2 ± 2.8°C
(225 ± 5°F)
91.0°C MIN
(1 96°F MIN)
N.C.
8N1693 Engine Coolant Temp. (Start Aid)
37.8 ± 2.8°C
(100 ± 5°F)
26.7°C MIN
(80°F MIN)
N.C.
3T0190 Hydraulic Oil Temperature (EMS)
87.78 ± 2.8°C
(190 ± 5°F)
79.44°C MIN
(175°F MIN)
N.C.
3T5825 Power Train Oil Temp. (EMS)
129.4 ± 2.8°C
(265 ± 5°F)
118.3°C MIN
(245°F MIN)
N.C.
3T9343 Power Train Filter Bypass Pressure (EMS)
MAX HYD 31 O3kPa
MAX BYPASS SPOOL
FORCE 66.7 N
MAX ACT 8.9 N
N.O.
7T0988
Engine 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.
9W3187 Fuel Pressure (EMS)
93 ± 21kPa
(13.5 ± 3.0 psi)
69 ± 21kPa
(10.0 ± 3.0 psi)
N.C.
N.O. = NORMALLY OPEN
NC. = NORMALLY CLOSED
A - COMPONENTS IN OPER COMPARTMENT - FRONT DASH
B - COMPONENTS IN OPER COMPARTMENT - RIGHT CONSOLE
C - COMPONENTS IN OPER COMPARTMENT - LEFT CONSOLE
E - RELAY PANEL
H
L
P
W B
B
REAR WIPER SW
3T6655 3T6655
RIGHT WIPER SW
3T6655
LEFT WIPER SW
3T6655
FRONT WIPER SW
MOTOR
MTR BAT
G
S
KEY START SW
ON
OFF
R
C
B
S
ST
POS
NEG NEG
POS
H
L
H
L
H
308-YL
200-BK
109-OR-6
109-OR-6112-PU
308-YL
112-PU-14
112-PU-14
112-PU-14
112-PU-14
112-PU-14
112-PU-14
112-PU-14
1
2
3
4
442-GY
404-YL
201-BK
426-BR
HYDRAULIC SW
9G1300
3T0190
(DIFF STER ONLY)
201-BK
HYDRAULIC
SENDER
8N3844
426-BR
201-BK
404-YL
442-GY
121-YL
321-BR
306-GN
608-GN-14
200-BK-14
114-GN
322-GY
322-GY
114-GN
FORWARD HORN SW
3T2357
123-WH
400-GN
SERVICE METER
6T7337
IGN
SEND
GRD
102-BU-14
7
3
6
2
9
5
4
8
1
C A
310-PU
105-BR
306-GN
308-YL
116-BR-14
610-OR-14
608-GN-14
609-YL-14
308-YL
START AID SW
3T3453
310-PU
15
14
13
1
9
6
5
17
16
18
19
20
4
7
2
10
11
3
8
12
101-RD
105-BR
306-GN
304-WH
207-BK
302-OR
310-PU
311-WH
203-BK
308-YL
112-PU
112-PU-14
WIPER MOTORS
112-PU-14
112-PU-14
112-PU-14
112-PU-14
112-PU-14
15A
10A
GAGES & SERVICE METER
OPERATOR MONITOR
SIDE & REAR FLOOD LAMPS
BACK-UP ALARM
FORWARD HORN
108-BU-14
123-WH
113-OR
116-BR-14
121-YL
114-GN
10A
10A
10A
10A
200-BK-14
60A
20A
200-BK
608-GN-14
200-BK-14
TO
FUEL
TANK
NEUTRAL/
START SW
9P9520
1
2
112-PU-14
109-OR-6
START RELAY
9F3099
108-BU-14
200-BK-14
114-GN
121-YL
116-BR-14
113-OR
123-WH
101-RD-14
101-RD-6
101-RD-14
10A
105-BR-14
10A
109-OR-6
102-BU-14
DIAGNOSTIC CONNECTOR
203-BK
311-WH
310-PU
124-GN-14
306-GN
308-YL-14
105-BR-14
102-BU-14
302-OR
207-BK
304-WH-8
101-RD-6
109-OR-6
109-OR-6
TERMINAL BLOCK
6T0751
RELAY PANEL
RELAY PANEL
FUSE HOLDER
4K5122
FUSE
NOTE C
RELAY PANEL
BK-OO
RD-OO
AA
12V BATTERY
3T5760 STD
9G4247 ATCH 9G4247 ATCH
3T5760 STD
12V BATTERY
203-BK
BK-OO
BK-OO
410-WH
201-BK
321-BR
TO
FRAME
DISCONNECT SW
7N0718
DD
CC
1
2
200-BK
321-BR
BK/PK
BK/PK
BACK UP
ALARM SW
7T8744
308-YL
306-GN
105-BR
9G7641
608-GN-14
609-YL-14
FLOOD
LAMP SW
7N8000
NOTE D
NOTE D
116-BR-14 116-BR-14
5
2 1
4
610-OR-14
600-BR
102-BU-14
102-BU-14
FRONT &
DASH
LAMP SW
7N805
L
MOTOR
GN
GY
BR
OR
1
3
4
2
108-BU-14
527-GN-14
526-YL-14
528-PK-14
G
H
2
1
5
3
8
7
4
6
526-YL-14
527-GN-14
528-PK-14
108-BU-14
102-BU-14
108-BU-14
108-BU-14
510-YL-14510-YL-14510-YL-14
510-YL-14
510-YL-14
-
+
MOTOR
200-BK-14
2
1
AA
WITH POWER SHIFT
CONNECT PLUG A TO
RECEPTACLE A.
WITH DIRECT DRIVE
CONNECT WIRE AS. T
TO HARNESS AS. A
WITH DIFF STEER
CONNECT WIRE AS. RR
TO HARNESS AS. A
A
U
321-BR
121-YL
608-GN-14
200-BK-14
306-GN
1
2
A
MM
FLOOD LAMP
8C5582
1M1882
(OROPS ONLY)
608-GN-14
2
1
121-YL
321-BR
BACKUP ALARM
3T1815
BK-14
BK/PK-14
KK A
OPERATOR STATION
DOME LAMP
7X6398
GG
102-BU-14
102-BU-14
108-BU-14 108-BU-14
108-BU-14
BK
RD
2
1
410-WH
201-BK
306-GN
306-GN
NEUTRAL/
START SW
(DIFF STEER ONLY)
9W1581
OPERATOR STATION
LEFT
WIPER
6T5856
GN
GY
BR
OR
1
3
4
2
524-BU-14
108-BU-14
523-BR-14
525-GN-14
108-BU-14
525-GY-14
524-BU-14
523-BR-14
500-BR-14
501-GN-14
502-OR-14
108-BU-14
BK-OO
BK-6
EE
TO FRAME
TO
ENG
BLK
JJ
STARTER
4N3181 STD
3T8946
301-BU
304-WH-8
1
2
RD-OO
101-RD-6
302-OR
200-BK-14
200-BK-8
322-GY
321-BR
121-YL
114-GN
608-GN-14
306-GN
201-BK
426-BR
404-YL
442-GY
200-BK-14
517-BU-14
516-GN-14
515-GY-14
515-GY-14
4
3
2
1
1
2
515-GY-14
2
1
124-GN-14
RESISTOR
2G4013
515-GY-14
517-BU-14
200-BK-14
MOTOR
WH/RD-14
BK-14
BLOWER
9G8697
W
X
W
A
X
124-GN-14
200-BK-14
BLOWER SW
1V6652
OROPS
HEATER
MOTOR
WH/RD-14
BK-14
BK-14
MOTOR
WH/RD-14
1
2
N
1
2
N
BLOWER
9G8697
9G8693
BLOWER
515-GY-14
200-BK-14
200-BK-14
2
1
4
3
N
A
THERMOSTAT SW
9P3498
200-BK-14
522-WH-14
RED
BLK
BLU
GRN
OR
RESISTOR
9G1950
GRD
SEND
IGN
GRD
IGN
SEND
2
1
A
4
3
400-GN
123-WH
442-GY
441-OR
443-YL
610-OR
M
LAMP
5D0019
HYDRAULIC
TEMP GAGE
4W0484
COOLANT
TEMP GAGE
4W0483
POWERTRAIN
TEMP GAGE
4W0485
Q
Q
Q
610-OR
600-BR
200-BK
BASE
7G9730
PANEL LAMP
7N9967
M
C
PANEL LAMP
7N9967
7G9730
BASE
2
1
G A
102-BU-14
108-BU-14 108-BU-14
102-BU-14
116-BR-14
610-OR-14
608-GN-14
105-BR-14
306-GN
308-YL-14
310-PU
200-BK
200-BK-14
200-BK-14
3
1
2
A
4
C
201-BK
411-PK
3T0304
BASE
MASTER
FAULT
LAMP
7N1996
OPERATOR MONITOR
TEST SW
7N8001
201-BK 415-GN
415-GN
411-PK
201-BK
200-BK
201-BK
OPERATOR
MONITOR
3T9100
TEST 15
11
7
4
3
13
5
6
17
19
18
8
2
14
12
9
20
16
1
10
LAMP
PWR TN TEMP
HYD TEMP
ALTERNATOR
FUEL PR
ENG OIL PR
COOL TEMP
PWR TN FLTR
415-GN
411-PK
424-GY
404-YL
403-GN
413-BR
405-GY
406-PU
426-BR
201-BK
201-BK
201-BK
201-BK
201-BK
201-BK
113-OR
410-WH
GROUND
+ BATTERY
ALARM
A
201-BK
MODULE
GROUND
200-BK-14
116-BR-14
108-BU-14
410-WH
113-OR
123-WH
321-BR
121-YL
114-GN
201-BK
608-GN-14
610-OR-14
310-PU
306-GN
308-YL-14
105-BR-14
102-BU-14
116-BR-14
108-BU-14
310-PU
311-WH
306-GN
102-BU-14
105-BR-14
308-YL-14
124-GN-14
5
6
2
3
7
1
4
5
3
6
7
4
1
2
201-BK
441-OR
400-GN
406-PU
413-BR
405-GY
403-GN
A B
322-GY
522-WH-14
521-YL-14
610-OR-14
310-PU
311-WH
200-BK
200-BK-14
522-WH-14
521-YL-14
124-GN-14
443-YL
441-OR
400-GN
442-GY
123-WH
G
1
3
4
2
L
FRONT
WIPER
6T6216
MOTOR
GN
GY
BR
OR502-OR-14
500-BR-14
108-BU-14
501-GN-14
1
3
2
2
1
POWERTRAIN
OIL SENDER
8N3844
443-YL
424-GY
201-BK
POWERTRAIN
OIL SW
3T5825
POWERTRAIN
FILTERSW
9G3341
426-BR
201-BK
N
306-GN
200-BK-8
207-BK
302-OR
304-WH-8
ALT
N
D
1
2
2
1
D
B
3
322-GY
200-BK
610-OR-14
200-BK
2
1
B
COOLANT SW
8N1693
200-BK
200-BK-8
304-WH-8
207-BK
302-OR
304-WH-8
207-BK
302-OR
101-OR-6
A B
109-OR-6
403-GN
441-OR
413-BR
201-BK
400-GN
405-GY
406-PU
REFRIGERANT SW
(NOTE A)
9D6888
322-GY
NOTE D
FORWARD
HORN
7T0969
513-OR-14
521-YL-14
1
2
N N
D
HEAD LAMP
8C5512
2S4788
(OROPS ONLY)
610-OR-14
610-OR-14
522-WH-14
513-OR-14
RD-OO
START AID
SOLENOID
9G4365
BK-18310-PU
311-WH BK-18
ENGINE
OIL SW
7T0988
COOLANT SW
7N9785
FUEL SW
9W3187
7T0988
OIL SW
ENGINE
201-BK
COOLANT SENDER
6N5926
AIR
CONDITIONER
CLUTCH
SOLENOID
7N4287
ALTERNATOR
5S9088 STD
R
+
HH
BK-6
610-OR-14
HEAD
LAMP
8C5511
2S4787
(OROPS ONLY)
443-YL
LAMP
5D0019
441-OR
123-WH
442-GY
123-WH
123-WH
200-BK
5D0019
LAMP
OPERATOR STATION
MOTOR
REAR
WIPER
6T6216
OR
BR
GY
GN
1
4
2
3
1
2
1
L
K
P
W
L
B
B
H
W
P
L
B
B
H
W
P
L
B
B
H
H
K
10
8
9
1
2
3
4
5
6
7
FAULT
ALARM
9G9813
A
MOTOR
306-GN
306-GN
306-GN
306-GN
T RR
2
1
1
2
RR
T
306-GN
306-GN
306-GN
RESISTOR
6T2217
109-OR-6
201-BK
413-BR
441-OR
403-GN
513-OR-14
522-WH-14
610-OR-14
311-WH
311-WH
200-BK
P
A
608-GN-14
608-GN-14
200-BK-14
504-YL-14
108-BU-14
503-BR-14
505-BU-14
J
G
306-GN
DOME LAMP SW
7N8000
G
H
E A
G
C
Q
KEY
FUSE
3K8782
ALT
BREAKER
9S0173
109-OR
200-BK
308-YL-14
304-WH
304-WH-8
124-GN-14
BLOWER MOTOR
BREAKER
3T8728
BB
200-BK
200-BK
600-BR
BLOWER SW
6P3236
1
2
5
4
3
HORN
7T0970
FORWARD
A
F
OPERATOR STATION
OPERATOR STATION
OPERATOR STATION
WIRES THAT HAVE VOLTAGE WHEN
THE DISCONNECT SWITCH IS ON AND
THE KEY SWITCH IS OFF.
WIRES THAT HAVE VOLTAGE WHEN
THE DISCONNECT SWITCH IS ON AND
THE KEY SWITCH IS OFF-
ATTACHMENT.
WIRES THAT HAVE VOLTAGE WHEN
THE KEY SWITCH IS ON.
WIRES THAT HAVE VOLTAGE WHEN
THE KEY SWITCH IS ON-
ATTACHMENT.
STARTING CIRCUIT.
GAUGE CIRCUIT.
GAUGE CIIRCUIT - ATTACHMENT.
EMS CIRCUIT - INPUTS.
EMS CIRCUIT - OUTPUTS
WIRES THAT HAVE VOLTAGE WITH
THE RUNNING LAMP SWITCH IN THE
PANEL LAMP POSITION.
WIRES THAT HAVE VOLTAGE WITH
THE RUNNING LAMP SWITCH IN THE
PANEL LAMP POSITION -
ATTACHMENT.
WIPER/WASHER CIRCUIT -
ATTACHMENT.
AIR CONDITIONER CIRCUIT.
AIR CONDITIONER CIRCUIT -
ATTACHMENT.
GROUND
GROUND - ATTACHMENT
ATCH WIRE. CABLE.
COMPONENT
CONNECTOR
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
ELECTRICAL CONNECTION
TO VEHICLE STRUCTURE
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
BLADE, SPADE, RING,
OR SCREW TERMINAL
SYMBOL DESCRIPTION
A
ATCH
RD-00
521-YL-14
322-GY
610-OR-14
A B
521-YL-14
124-GN-14
306-GN
OPERATOR
MONITOR
PANEL
MOUNTING
BOLT
200-BK
A
FRONT
DASH
DOME
FUSE
3K8782
306-GN
102-BU-14
108-BU-14
443-YL
424-GY
201-BK
10 AMPS)
LOAD CURRENT EXCEEDS
BLOCK AT F-6 WHEN
(REPLACES TERMINAL
3T0376
MAIN RELAY
OPERATOR STATION
(OROPS ONLY)
1M1882
8C5582
FLOOD LAMP
510-YL-14
510-YL-14
7T8891
WASHER
3T9343
(NOTE B)
FILTER SW
POWERTRAIN
RIGHT
WIPER
6T5855
610-OR610-OR610-OR
UNLESS OTHERWISE SPECIFIED ALL WIRE IS 16 GAGE
THIS SCHEMATIC IS FOR THE D6H TTT (6T3295 CHG 04)
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF.
NOTE A: NORMALLY OPEN BEFORE REFRIGERANT CHARGE
NOTE B: NORMALLY OPEN BEFORE INSTALLATION
NOTE C: FUSES 10A - 3K8782 15A - 8M8948
NOTE D: TERMINAL NOT USED FOR THIS VEHICLE
AND XMSN SHIFTER IN NEUTRAL
CABLE AS.
3P2182DD
7P6682EE
5G8921
9V2098
3P2179
8S1078
AA
BB
BB
CC
F-403
01 A-2
F-4 STD
F-4 ATCH
01
01
03
01
F-4
F-4
C-900 5G9493
5G9492
3W9383
NN
RR
01
00
B-1
B-9
3T8636
T
9G7285
4D6565
9F4337
9G6259
GG
HH
JJ
KK
MM
3T7983
WIRE AS.
9W3623
K
Q
C-803
01
01
07
02
B-7
B-2
A-2
E-9
03
00
B-8
C-5
IDENT PART NO. CHG LOC
HARNESS AS.
7X2041
X
M
3T7147
9W1816
6T2934
5G9494
6Y3416
N
P
U
W
3T8624
7T9222
7T9218
3T6373
7T0303
F
G
H
J
L
5G9497
6T6074
7T8326
5G9496
3W4902
A
B
C
D
E
A-300
02
02
01
00
00
B-4
C-3
C-2
C-9
A-3
02
00
00
01
02
C-3
D-6
B-7
B-8
B-7
01
07
02
00
02
E-4
D-3
D-5
E-1
A-5
ABBREV COLOR
PU
BR
GN
BU
OR
YL
PK
BK
GY
RD
WH
PURPLE
BROWN
GREEN
BLUE
ORANGE
YELLOW
PINK
BLACK
GRAY
RED
WHITE