GM Service Manual Online
For 1990-2009 cars only
Table 1: Ambient Light Sensor
Table 2: Brake Switch C1
Table 3: Brake Switch C2
Table 4: Center High Mounted Stop Lamp C1
Table 5: Center High Mounted Stop Lamp C2
Table 6: Courtesy Lamp, Left
Table 7: Courtesy Lamp, Right
Table 8: Courtesy Lamp, Rear Compartment
Table 9: Daytime Running Lamps (DRL) Resistor
Table 10: Dome Lamp
Table 11: Fog Lamp, LF(T96)
Table 12: Fog Lamp, RF(T96)
Table 13: Fog Lamp Switch (T96)
Table 14: Hazard Switch
Table 15: Headlamp - Highbeam - Left
Table 16: Headlamp - Highbeam - Right
Table 17: Headlamp - Lowbeam - Left
Table 18: Headlamp - Lowbeam - Right
Table 19: I/P Compartment Lamp/Switch
Table 20: I/P Dimming Module
Table 21: I/P Dimmer Switch
Table 22: License Lamp
Table 23: Marker Lamp, LF
Table 24: Marker Lamp, RF
Table 25: Park/Turn Signal Lamp, LF
Table 26: Park/Turn Signal Lamp, RF
Table 27: Transaxle Shift Indicator Lamp
Table 28: Tail/Stop and Turn Signal Lamp - Left
Table 29: Tail/Stop and Turn Signal Lamp - Right
Table 30: Turn Signal/Multifunction Switch C1
Table 31: Turn Signal/Multifunction Switch C2
Table 32: Turn Signal/Multifunction Switch C3

Ambient Light Sensor


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

LT GRN/

BLK

1137

DRL Ambient Light Sensor Signal

B

YEL/BLK

1138

DRL Ambient Light Sensor Low Reference

Brake Switch C1


Object Number: 73251  Size: CH

Connector Part Information

    • 12033701
    • 2-Way F Metri-Pack 480 Series (GRY)

Pin

Wire Color

CKT No.

Function

A

ORN

140

Battery Positive Voltage

B

LT BLU

20

Stop Lamp Supply Voltage

Brake Switch C2


Object Number: 40397  Size: CH

Connector Part Information

    • 12033706
    • 4-Way F Metri-Pack 280 Series (BLU)

Pin

Wire Color

CKT No.

Function

A

LT GRN

275

Neutral Safety Switch Park Signal

B

DK GRN

/WHT

1135

A/T Shift Lock Solenoid Supply Voltage

C-D

--

--

Not Used

Center High Mounted Stop Lamp C1


Object Number: 287969  Size: CH

Connector Part Information

    • 12162082
    • Lamp Socket Wedge Base W2 (BLK)

Pin

Wire Color

CKT No.

Function

A

LT BLU

20

Stop Lamp Supply Voltage

B

BLK

750

Ground

Center High Mounted Stop Lamp C2


Object Number: 287969  Size: CH

Connector Part Information

    • 12162082
    • Lamp Socket Wedge Base W2 (BLK)

Pin

Wire Color

CKT No.

Function

A

LT BLU

20

Stop Lamp Supply Voltage

B

BLK

850

Ground

Courtesy Lamp, Left


Object Number: 287969  Size: CH

Connector Part Information

    • 12186477
    • 2-Way Lamp Socket Axial W2 (BLK)

Pin

Wire Color

CKT No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

WHT

156

Courtesy Lamp Low Control

Courtesy Lamp, Right


Object Number: 287969  Size: CH

Connector Part Information

    • 12186477
    • 2-Way Lamp Socket Axial W2 (BLK)

Pin

Wire Color

CKT No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

WHT

156

Courtesy Lamp Low Control

Courtesy Lamp, Rear Compartment


Object Number: 333035  Size: CH

Connector Part Information

    • 12047781
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

--

--

Not Used

B

ORN/BLK

737

Rear Compartment Lamp Control

C

ORN

1732

Courtesy Lamps Supply Voltage

Daytime Running Lamps (DRL) Resistor


Object Number: 68721  Size: CH

Connector Part Information

    • 15300027
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

GRY

589

DRL Resistor Supply Voltage

B

BLK

1350

Ground

Dome Lamp


Object Number: 333035  Size: CH

Connector Part Information

    • 12047781
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

WHT

156

Courtesy Lamp Low Control

B

BLK

750

Ground

C

ORN

1732

Courtesy Lamps Supply Voltage

Fog Lamp, LF(T96)


Object Number: 35430  Size: CH

Connector Part Information

    • 12020599
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

PPL

34

Front Fog Lamps Supply Voltage

B

BLK

1350

Ground

Fog Lamp, RF(T96)


Object Number: 35430  Size: CH

Connector Part Information

    • 12020599
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

PPL

34

Front Fog Lamps Supply Voltage

B

BLK

1350

Ground

Fog Lamp Switch (T96)


Object Number: 39660  Size: CH

Connector Part Information

    • 12047785
    • 4-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

BLK/WHT

151

Ground

B

GRY

8

Instrument Panel Lamp Supply Voltage-1

C

PPL

34

Front Fog Lamp Supply Voltage

D

ORN

192

Front Fog Lamp Switch Signal

Hazard Switch


Object Number: 62464  Size: CH

Connector Part Information

    • 12064769
    • 10-Way F Metri-Pack 150 Series (WHT)

Pin

Wire Color

CKT No.

Function

A

BLK

150

Ground

B

ORN

1140

Battery Positive Voltage

C

PNK

739

Ignition I Voltage

D

--

--

Not Used

E

GRY

8

Instrument Panel Lamp Supply Voltage 1

F

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

G

DK BLU

15

Right Front Turn Signal Lamp Supply Voltage

H-J

--

--

Not Used

K

PPL

16

Turn Signal Flasher Signal

Headlamp - Highbeam - Left


Object Number: 35447  Size: CH

Connector Part Information

    • 12059183
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

ORN

740

Battery Positive Voltage

B

PNK

1200

Headlamp - Highbeam Control

Headlamp - Highbeam - Right


Object Number: 35447  Size: CH

Connector Part Information

    • 12059183
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

ORN

640

Battery Positive Voltage

B

PNK

1200

Headlamp - Highbeam Control

Headlamp - Lowbeam - Left


Object Number: 35444  Size: CH

Connector Part Information

    • 12059181
    • 2-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

CKT No.

Function

A

ORN

740

Battery Positive Voltage

B

DK BLU

1201

Headlamp -Lowbeam Control

Headlamp - Lowbeam - Right


Object Number: 35444  Size: CH

Connector Part Information

    • 12059181
    • 2-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

CKT No.

Function

A

ORN

640

Battery Positive Voltage

B

DK BLU

1201

Headlamp - Lowbeam Control

I/P Compartment Lamp/Switch


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • Lamp Socket Wedge Base W2 (BLK)

Pin

Wire Color

CKT No.

Function

A

ORN

1732

Courtesy Lamps Supply Voltage

B

BLK

250

Ground

I/P Dimming Module


Object Number: 38618  Size: CH

Connector Part Information

    • 12034060
    • 4-Way F Metri-Pack 480 Series (WHT)

Pin

Wire Color

CKT No.

Function

A

--

--

Not Used

B

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

C

BRN/WHT

230

Instrument Panel Lamps Dimming Control

D

BRN

9

Park Lamp Supply Voltage

I/P Dimmer Switch


Object Number: 287975  Size: CH

Connector Part Information

    • 12020299
    • 5-Way F Printed Circuit Edgeboard Series (WHT)

Pin

Wire Color

CKT No.

Function

A

--

--

Not Used

B

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

C

BRN

9

Park Lamp Supply Voltage

D

BLK/WHT

151

Ground

E

GRY

8

Instrument Panel Lamp Supply Voltage-1

License Lamp


Object Number: 287977  Size: CH

Connector Part Information

    • 12110053
    • 2-Way Lamp Socket Wedge Base W2 (GRY)

Pin

Wire Color

CKT No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

BLK

750

Ground

Marker Lamp, LF


Object Number: 287967  Size: CH

Connector Part Information

    • 12065157
    • Lamp Socket Wedge Base W1 (CRM)

Pin

Wire Color

CKT No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

Marker Lamp, RF


Object Number: 287967  Size: CH

Connector Part Information

    • 12065157
    • Lamp Socket Wedge Base W1 (CRM)

Pin

Wire Color

CKT No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

DK BLU

15

Right Front Turn Signal Lamp Supply Voltage

Park/Turn Signal Lamp, LF


Object Number: 38605  Size: CH

Connector Part Information

    • 12160394
    • 3-Way Lamp Socket Wedge Base W3 (WHT)

Pin

Wire Color

CKT No.

Function

A

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

1350

Ground

Park/Turn Signal Lamp, RF


Object Number: 38605  Size: CH

Connector Part Information

    • 12160394
    • 3-Way Lamp Socket Wedge Base W3 (WHT)

Pin

Wire Color

CKT No.

Function

A

DK BLU

15

Right Front Turn Signal Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

1350

Ground

Transaxle Shift Indicator Lamp


Object Number: 287969  Size: CH

Connector Part Information

    • 12162083
    • 2-Way Lamp Socket Axial W2 (BLK)

Pin

Wire Color

CKT No.

Function

A

GRY

8

Instrument Panel Lamps Supply Voltage 1

B

BLK

150

Ground

Tail/Stop and Turn Signal Lamp - Left


Object Number: 62449  Size: CH

Connector Part Information

    • 12052848
    • 6-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

LT BLU/BLK

14

Left Turn Signal Lamp Supply Voltage

B

--

--

Not Used

C

LT GRN

24

Backup Lamp Supply Voltage

D

BRN

9

Park Lamp Supply Voltage

E

BLK

750

Ground

F

LT BLU

20

Stop Lamp Supply Voltage

Tail/Stop and Turn Signal Lamp - Right


Object Number: 62449  Size: CH

Connector Part Information

    • 12052848
    • 6-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

LT GRN

24

Backup Lamp Supply Voltage

B

--

--

Not Used

C

DK BLU

15

Right Turn Signal Lamp Supply Voltage

D

BRN

9

Park Lamp Supply Voltage

E

BLK

850

Ground

F

LT BLU

20

Stop Lamp Supply Voltage

Turn Signal/Multifunction Switch C1


Object Number: 287982  Size: CH

Connector Part Information

    • 12177027
    • 6-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

31

GRY/BLK

308

Park Lamp Switch - On - Signal

32

ORN

240

Battery Positive Voltage

33

PNK

1200

Headlamp - High Beam Control

34

DK BLU

1201

Headlamp Lamp - Lowbeam Control

35

BLK

150

Ground

36

DK GRN

306

Headlamp Switch Headlamps Off Signal

Turn Signal/Multifunction Switch C2


Object Number: 62450  Size: CH

Connector Part Information

    • 12052856
    • 4-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

CKT No.

Function

A

BLK

28

Horn Relay Control

B

DK BLU

15

Right Front Turn Signal Lamp Supply Voltage

C

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

D

PPL

16

Turn Signal Flasher Signal

PPL

16

Turn Signal Flasher Signal

Turn Signal/Multifunction Switch C3


Object Number: 62432  Size: CH

Connector Part Information

    • 12041429
    • 5-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

92

Windshield Wiper Motor High Speed

B

RED

228

Windshield Washer Pump Ground

C

YEL

143

Accessory Voltage

D

GRY

112

Windshield Wiper Switch Signal 1

E

DK GRN

113

Windshield Wiper Switch Signal 2