GM Service Manual Online
For 1990-2009 cars only
Table 1: I/P Cluster
Table 2: I/P Cluster
Table 3: I/P Dimmer
Table 4: I/P Junction Block-Body
Table 5: I/P Junction Block-I/P
Table 6: I/P Junction Block-I/P
Table 7: Brake Switch
Table 8: Cargo Lamp Switch-Wagon
Table 9: Cargo Lamp-Sedan, Coupe
Table 10: Cargo Lamp Switch-Sedan, Coupe
Table 11: Cargo Lamp Switch-Sedan, Coupe
Table 12: Cargo Lamp-Wagon

I/P Cluster


Object Number: 918872  Size: CH

Connector Part Information

    • 12129405
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

--

--

--

--

B

PPL/WHT

455

.35

FUEL GAGE SIGNAL

C

PPL

1885

.35

SERVICE TT

D

BRN/WHT

419

.35

MALFUNCTION INDICATOR LAMP (MIL) SERVICE ENGINE SOON

E

YEL

172

.35

LOW FUEL TT

F

BRN

358

.50

AIR BAG

G

PPL/WHT

237A

.35

SEAT BELT TT

H

PNK

39E

.35

IGN 1

I

LT GRN/BLK

BLK

875

350BB

.35

.50

ABS TT-W/ ABS

GROUND W/O ABS

J

DK GRN

389

.35

SPEED SIGNAL

K

BLK

350K

.35

GROUND

L

LT GRN/BLK

592

.35

DRL RELAY CONTROL

M

ORN

1040A

.35

BATTERY

N

PNK

1200E

.35

HI BEAM TT

O

DK BLU

1201H

.35

HEADLAMP ON INPUT

P

LT BLU/WHT

1414

.35

LH TURN SIGNAL TT

Q

LT BLU

1134

.35

PARK BRAKE INPUT

R

--

--

--

--

Location: I/P Left Upper

I/P Cluster


Object Number: 918877  Size: CH

Connector Part Information

    • 12129406
    • Natural

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

--

--

--

--

B

TAN/BLK

456

.35

UPSHIFT TT-MANUAL

C

DK GRN

35

.35

HOT/LO COOLANT / AUTO TRANS FLUID TEMP TT

D

DK GRN

135

.35

TEMP GAGE SIGNAL

E

BLK

350T

.50

GROUND

F

--

--

--

--

G

TAN/WHT

33B

33CC

.35

.50

BRAKE TT-WITH ABS

BRAKE TT-NON-ABS

H

DK GRN

44J

.35

DIMMER RET

I

BRN

9AJ

.35

DIMMER CONTROL

J

DK BLU/WHT

1415

.35

RH TURN SIGNAL TT

K

WHT

121

.35

TACH SIGNAL INPUT

L

PNK

39C

.35

IGN 1

M

LT GRN

1656

.35

TRACTION ACTIVE TT-TRACTION ONLY

N

BRN

25

.35

BATTERY TT

O

TAN

31

.35

OIL PRESSURE TT

P

--

--

--

--

Q

DK GRN

146A

.35

LIFTGATE TT CONTROL-WAGON ONLY

R

ORN

440G

.35

LIFTGATE TT POWER-WAGON ONLY

Location: I/P Left Upper

I/P Dimmer


Object Number: 917385  Size: CH

Connector Part Information

    • 12064758
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

BLK

350C

.35

BATT

B

DK GRN

44

.35

TO ILLUM BULBS

C

BRN

9AL

.35

TO ILLUM BULBS

Location: I/P Left Upper

I/P Junction Block-Body


Object Number: 918881  Size: CH

Connector Part Information

    • 12129592
    • Gray

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A1

DK GRN

19

.80

RIGHT REART URN LAMP

A2

ORN

580-SL

580A-SW

580B-SC

.50

TO SUNROOF MODULE

A3

BLK/WHT

746

.35

DOOR AJAR SW-RT FRT

A4

--

--

--

--

A5

PNK

440R

.35

RKE MODULE

A6

PNK

39T

.35

EVAP VENT VALVE

A7

--

--

--

--

A8

ORN

340C

.35

MIRROR SWITCH

A9

LT BLU

195C

.35

RT FT DOOR LOCK SW

A10

GRA

295H-SW

295J-SL

.80

RT REAR DOOR LOCK MOTOR

A11

--

--

--

--

A12

LT BLU

195A

.35

LT FRONT DOOR LOCK SWITCH

B1

YEL

18

1.0

LT REAR TURN LAMP

B2

--

--

--

--

B3

WHT

156A,C

.35

DOME LAMP

B4

--

--

--

--

B5

BLK

293

2.0

RR WINDOW DEFOG

B6

--

--

--

--

B7

GRA

120

1.0

FUEL PUMP MOTOR

B8

--

--

--

--

B9

ORN

340F

.35

MAP LIGHTS

B10

GRA

295C

.80

LR DOOR LOCK MOTOR

B11

--

--

--

--

B12

LT BLU

195R

.35

RKE LOCK RELAY CONTROL

C1-C2

--

--

--

--

C3

LT BLU/BLK

747

.35

LT REAR DOOR JAMB SWITCH

C4

GRA/BLK

745

.35

LT FRONT DOOR JAMB SWITCH

C5

ORN

340P

.35

RT FRONT DOOR LOCK SWITCH

C6-C7

--

--

--

--

C8

ORN

340BB-SL

340JJ-SC

.35

CARGO LAMP SW

C9

ORN

340A

.35

DOME LAMP

C10

GRA

295E

295K

.80

LF DOOR LOCK MOTOR-SC

LF DOOR LOCK MOTOR-SL,SW

C11

--

--

--

--

C12

GRA

295F

295B

.80

RF DOOR LOCK MOTOR-SC

RF DOOR LOCK MOTOR-SL,SW

D1-D2

--

--

--

--

D3

LT GRN/BLK

748

.35

LT FRONT DOOR JAMB SWITCH-SL,SW

D4

--

--

--

--

D5

ORN

340N

.35

LT FRONT DOOR LOCK SWITCH

D6-D11

--

--

--

--

D12

WHT

194A

.35

LT FRONT DOOR LOCK SWITCH

E1

BRN

9H-SL

9Y-SW

9P-SC

.35

LICENSE LAMPS

E2

BRN

9F-SL,SC

.35

TAIL/MARKER LAMP

E3-E8

--

--

--

--

E9

WHT

194R

.35

RKE UNLOCK RELAY CONTROL

E10

TAN

294F-SC

294B-SL,SW

.80

LF DOOR LOCK MOTOR

LF DOOR LOCK MOTOR

E11

BLK

550A

.80

GROUND

E12

WHT

194C

.35

RT FRONT DOOR LOCK SWITCH

F1

BRN

9-SW

9R-SL

.35

LICENSE LAMPS

F2

BRN

9G-SL,SC

9Z-SW

.35

TAIL/MARKER LAMPS

F3-F8

--

--

--

--

F9

PPL

638-SL,SW

638C-SC

2.0

POWER WINDOW SWITCH

F10

TAN

294H-SW

294JSL

.80

RR DOOR LOCK MOTOR

F11

--

--

--

--

F12

TAN

294C-SL,SW

.80

LR DOOR LOCK MOTOR

I/P Junction Block-I/P


Object Number: 918886  Size: CH

Connector Part Information

    • 12146036
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A1

BLK

350N

2.0

I/P SPLICE PACK #1-GROUND

A2

--

--

--

--

A3

BRN

9J

.35

PARK LAMPS

A4

ORN

340L

.35

BODY FUSE

A5

--

--

--

--

A6

PNK

39X

--

SDM TT--1999 ONLY

A7

BRN

9K

.35

PARK LAMPS

A8

BRN

9AJ

.35

MIRROR SWITCH

A9

ORN

1240

2.0

REAR DEFOG RELAY

A10

RED

302

2.0

WINDOW RELAY

A11-A12

--

--

--

--

B1

--

--

--

--

B2

RED

458

3.0

TRS LP, TRS 2/TCC, TRS 3/4 FUSES-AUTO

B3

BRN

9AC

9AN

.35

CHIME MODULE-ASH TRAY ILL.

CHIME MODULE

B4-B6

--

--

--

--

B7

BRN

9AB

9AK

.35

.35

HVAC ILL.

CIGAR LIGHTER

B8

BRN

9AF

.35

PRNDL

B9-B12

--

--

--

--

C1

--

--

--

--

C2

DK GRN/WHT

465

.35

FUEL PUMP RELAY

C3

BRN

9AP

9AL

.35

CHIME MODULE-HVAC ILL

CHIME MODULE-DIMMER

C4

PPL/WHT

237A

.35

SEAT BELT TT

C5

ORN

740B

.80

CIGAR LIGHTER

C6-C7

--

--

--

--

C8

PNK

39C

.35

IGN 1 FUSE

C9

BRN

341B

.35

CRUISE ENABLE SWITCH

C10

BRN

41

.50

TO BRAKE SW

C11

PNK

139

1.0

TURN FUSE

C12

YEL

43

.35

RADIO FUSE

D1

RED

102B

3.0

HVAC BLOWER HI

D2

--

--

--

--

D3

BRN

9M

.35

CHIME MODULE

D4-D7

--

--

--

--

D8

PNK

39E

.35

IGN 1 FUSE

D9

BRN

341C

.35

CRUISE CONTROL MODULE IGNITION FEED

D10-D12

--

--

--

--

E1

DK BLU

101

.35

BLOWER RESISTOR

E2

BLK/WHT

238B

.35

CHIME MODULE

E3

BLK/WHT

238A

.35

DRIVER SEAT BELT

E4

--

--

--

--

E5

ORN

440F

440G-WAGON

.35

CHIME FUSE

E6

--

--

--

--

E7

BRN

641B

.35

IGN 3 FUSE

E8

BRN

641E

.35

IGN 3 FUSE

E9

--

--

--

--

E10

BRN

641A

.35

IGN 3 FUSE

E11

YEL

1139

.35

AIR BAG FUSE

E12

YEKL

143

1.0

WIPER FUSE

F1

ORN

52

.50

BLOWER H

F2

PPL

65

3.0

BLOWER MOTOR

F3-F4

--

--

--

--

F5

RED

402

3.0

CHIME/LOCKS/BODY FUSES

F6

PNK

139H

.35

BRAKE PEDAL SWITCH

F7

--

--

--

--

F8

BRN

341F

.35

CRUISE FUSE BRAKE PEDAL SWITCH

F9

ORN

300

3.0

IGN 3/ CRUISE/HVAC FUSES

F10

PNK

3B

2.0

AIR BAG/TURN/IGN 1 FUSES

F11

PNK

3C

2.0

AIR BAG/TURN/IGN 1 FUSES

F12

BRN

4

2.0

WIPER AND RADIO FUSE

I/P Junction Block-I/P


Object Number: 918897  Size: CH

Connector Part Information

    • 12129535
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A1

TAN/WHT

33E

.35

ABS CONTROLLER

A2

--

--

--

--

A3

TAN/WHT

33C

.50

ABS LOW BRAKE FLUID SW

A4

TAN/WHT

33B

.35

ABS BRAKE TT

A5

DK GRN

19A

1.0

RR STOP/TURN LAMP

A6

DK BLU

15A

.50

RF TURN SIGNAL LAMP

B1

DK GRN

44

44A

.35

DIMMER

ASH TRAY

B2

DK GRN

44F

.35

PRNDL LAMP

B3

DK GRN

44J

44P

.35

CLUSTER ILL.

HVAC ILL.

B4

DK GRN

44L

44H

.35

POD SW ILL.

RADIO ILL.

B5

DK GRN

44K

44B

.35

CIGAR LTR ILL.

HVAC ILL.

B6

DK BLU/WHT

1415

.35

RF TURN SIGNAL SW

C1

ORN

580D

.35

WIPER-SW

C2

--

--

--

--

C3

LT BLU

292

.35

RR DEFOG ON/OFF SWITCH

C4

LT BLU/WHT

1414

.35

LF TURN SIGNAL SW

C5

LT BLU

14A

.50

LF TURN SIGNAL LAMP

C6

YEL

18A

1.0

LR STOP/TURN LAMP

D1

--

--

--

--

D2

LT BLU

1508B

.80

TURN/HAZARD MODULE

D3

--

--

--

--

D4

PPL

16

1.0

TURN SIGNAL FLASHER

D5

LT GRN

80

.35

KEY MINDER SWITCH SIGNAL

D6

WHT

193

.35

REAR DEFOG RELAY

Brake Switch


Object Number: 915181  Size: CH

Connector Part Information

    • 12092371
    • Gray

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

ORN

540

.50

B+ FROM BRAKE FUSE

B

LT BLU

20G

.50

ABS-CONTROLLER

C

BRN

BRN

86A

86B

.35

.35

CRUISE CONT MOD

PCM

D

DK GRN/WHT

1135

.35

BTSI SOLENOID

Location: Brake Pedal

Cargo Lamp Switch-Wagon


Object Number: 884256  Size: CH

Connector Part Information

    • 12052832
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

DK GRN

146B

.35

AJAR TELLTALE/CARGO LAMP CONTROL

B

BLK

550AX

.35

GROUND

Location: Liftgate Latch

Cargo Lamp-Sedan, Coupe


Object Number: 884256  Size: CH

Connector Part Information

    • 12052832
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

RED/BLK

744

744B

.35

GROUND-SL

GROUND-SC

B

ORN

340B

340JJ

.35

POWER-SL

POWER-SC

Location: Under Package Shelf

Cargo Lamp Switch-Sedan, Coupe


Object Number: 884274  Size: CH

Connector Part Information

    • 12047781
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

BLK

550RA

550RL

.35

DECKLID RELEASE MOTOR GROUND-SL W/RKE

DECKLID RELEASE MOTOR GROUND-SC W/RKE

B

GRA

382B

382C

.35

DECKLID RELEASE MOTOR-SL W/RKE

DECKLID RELEASE MOTOR-SC W/RKE

C

RED/BLK

744A

744C

.35

CARGO LAMP SW-SL

CARGO LAMPSW-SC

Location: Decklid Latch

Cargo Lamp Switch-Sedan, Coupe


Object Number: 885048  Size: CH

Connector Part Information

    • 12092582
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

BLK

550DD-SL

550DY-SC

.35

.80

GROUND-SL

GROUND-SC

Location: On Decklid Latch

Cargo Lamp-Wagon


Object Number: 884274  Size: CH

Connector Part Information

    • 12047781
    • Black

Cavity

Wire Color

Circuit Number

Wire Size

Circuit Function

A

WHT

156A

.35

CARGO LP SWITCH

B

BLK

550A

.35

CARGO LP GROUND

C

ORN

340A

.35

CARGO LP BULB

Location: Rear Roof