SENR2103-01December 1980

D9L TractorElectrical System

14Y1-3133

©1980 CaterpillarAll 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

RR W

R

R

12 V 12 V

++ --R

R

R

B

B

B

8 1 11

B

STARTINGRECEPTACLE

MOTORSTD STC

AUX STGMOTOR

B

WR

R

RR

R

43512

4 3 2

5 1

1 23 4

R

RW

R

CONNL

PRESS. SW

CONN P

1 234

R

R

W

W

B P

1 2 3 45 6 7

1 2 3 4 56

SHUT DOWNCONTROL ASS.

12

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

STGMOTORSHUT DOWN

SOLENOID

TEST SW.CIRCUIT

BREAKER

FIRE SUPPRESSION ARRANGEMENT (ATCH)

GY/BGY/DK GR

GY/R

CONN J

GY/BGY/DK GRGY/R

FRONT

WIPER MOTOR

GY

YO

GY Y

O

GY/PGY/Y

GY/YGY/P

O/BB/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/TPU

SW

1

2

345

6

78

9

10

LH DOOR

WIPER MOTOR

HW

LP

B

SW

BP

L

H

W

SW SW

FUSE ONINSTRUMENT

PANEL

H H

WW

L L

B BP P

T

RH DOOR

WIPER MOTORREAR

WIPER

MOTOR

REARWASHER

PUMP

RH DOORWASHER

PUMP PUMPWASHER

LH DOOR FRONTWASHER

PUMP

B B

GY/O GY/O

GY/

O

B/O

SW

B/GY

BR/B

BR/DK GRBR/R

PRIMER PUMP

CONN K

B/TPU

B/G

Y

BR/B

BR/D

K G

R

BR/R

B B B B

T

1 2 3 4567

1

2 345

67

CAB (ATCH)

COMPRESSOR(A/C ONLY)

O/B

DRYER PRESS. SW.

(A/C ONLY)

O/B

O/B

O/B

O

CONN S

CONN XCURCUIT BREAKER

(ON INSTRUMENT PANEL)

B

W/R W

/R

B

B

12

1

1

2

2

2

1

MOTOR MOTOR

RESISTOR ASS.

THERMOSTAT

O/GY

O/GY

O/GYO/GY

123

3

O/DK BLO/DK BL

HIMED LOW

O/Y

O/B

B

12

21

1

2453

123

34

5

1

3

46

5

2

CONN A

SWITCH

O

O/GY

O/Y

O/D

K 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

3F10066N8589

7N719

3F3099

3F3099

7N7049

7N7049

8N1825

5A - FUSES - 2S6024

WIPER MOTORS - 9G8972WASHER PUMPS - 5P775

7N9943

7N8000

1V7362 1V7362 1V7362 1V7362

7N8001