D9L TRACTOR ELECTRICAL SYSTEM SCHEMATIC

SENR2103-01
December 1980
D9L Tractor
Electrical System
14Y1-3133
©
1980 Caterpillar
All Rights Reserved
Printed in U.S.A.
CONN Y
12 V
12 V
+
+
-
-
B
W/B
B
B
W/B
R
R
R
DISCONNECT SW.
RELAY
RELAY
W
R
R
W
R
R
12 V
12 V
+
+--
R
R
R
B
B
B
8
1
11
B
STARTING
RECEPTACLE
MOTOR
STD STC
AUX STG
MOTOR
B
W
R
R
R
R
R
4
3
5
1
2
4
3
2
5
1
1
2
3
4
R
R
W
R
CONNL
PRESS.SW
CONN P
1
2
3
4
R
R
W
W
B
P
1
2
3
4
5
6
7
1
2
34
5
6
SHUT DOWN
CONTROL ASS.
1
2
P
W
1
1
1
2
2
2
3
3
4
4
5
5
6
6
7
CONN S
CONN C
P
B
B
B
STG
MOTOR
SHUT
DO
W
N
SOL
E
NOI
D
TEST SW.
CIRCUIT
BREAKER
FIRE SUPPRESSION ARRANGEMENT (ATCH)
GY/B
GY/DK GR
GY/R
CONN J
GY/B
GY/DK GR
GY/R
FRONT
WIPER MOTOR
GY
Y
O
GY
Y
O
GY/P
GY/Y
GY/Y
GY/P
O/B
B/O
O/B
1
2
3
4
5
6
7
8
9
10
SW
DKBL/
B
W
DOME LT
B/O
B/O
B/O
B/O B/O
B/O
B/O
B/O
B/O
5A
5A
5A
5A
15A
B/T
PU
SW
1
2
3
4
5
6
7
8
9
10
LH DOOR
WIPER MOTOR
H
W
L
P
B
SW
B
P
L
H
W
SW
SW
FUSE ON
INSTRUMENT
PANEL
H
H
WW
L
L
B
B
P
P
T
RH DOOR
WIPER MOTOR
REAR
WIPER
MOTOR
REAR
WASHER
PUMP
RH DOOR
WASHER
PUMP
PUMP
WASHER
LH DOOR
FRONT
WASHER
PUMP
B
B
GY/O GY/O
GY/O
B/O
SW
B/GY
BR/B
BR/DK GR
BR/R
PRIMER PUMP
CONN K
B/T
PU
B/GY
BR/B
BR/DK GR
BR/R
B
BB
B
T
1
2
3
4
5
6
7
1
2
3
4
5
6
7
CAB (ATCH)
COMPRESSOR
(A/C ONLY)
O/B
DRYER PRESS.SW.
(A/C ONLY)
O/B
O/B
O/B
O
CONN S
CONN X
CURCUIT BREAKER
(ON INSTRUMENT PANEL)
B
W/R
W/R
B
B
1
2
1
1
2
2
2
1
MOTORMOTOR
RESISTOR ASS.
THERMOSTAT
O/GY
O/GY
O/GY
O/GY
1
2
3
3
O/DK BL
O/DK BL
HI
MED
LOW
O/Y
O/B
B
1
2
2
1
1
2
4
5
3
123
3
4
5
1
3
4
6
5
2
CONN A
SWITCH
O
O/GY
O/Y
O/DK BL
HI
LO
HI
LO
PRESSURIZER/ AIR CONDITIONER (ATCH)
D65505
3
2
1
(A/C ONLY)
CONN B
STG ARRANGEMENT-LOW TEMP (ATCH)
9G8696
9P3498
6N8589
9G8697
9G8693
1V6653
9G9287
7N7049
9G111
9G8010
3F1006
6N8589
7N719
3F3099
3F3099
7N7049
7N7049
8N1825
5A - FUSES - 2S6024
WIPER MOTORS - 9G8972
WASHER PUMPS - 5P775
7N9943
7N8000
1V7362 1V7362 1V7362 1V7362
7N8001