GM Service Manual Online
For 1990-2009 cars only
Connector 1: Ambient Light Sensor
Connector 2: Backup Lamp
Connector 3: Backup Lamp Switch (MA5)
Connector 4: Brake Pedal Position Sensor
Connector 5: Center High Mounted Stop Lamp (CHMSL)
Connector 6: Fog Lamp - Left Front (T96)
Connector 7: Fog Lamp - Right Front (T96)
Connector 8: Fog Lamp - Rear (T79)
Connector 9: Fog Lamp Switch - Front (T96)
Connector 10: Fog Lamp Switch - Rear (T79)
Connector 11: Hazard Switch
Connector 12: Headlamp - Left High Beam
Connector 13: Headlamp - Right High Beam
Connector 14: Headlamp - Left Low Beam
Connector 15: Headlamp - Right Low Beam
Connector 16: I/P Dimmer Switch
Connector 17: License Lamp - Left
Connector 18: License Lamp - Right
Connector 19: Marker Lamp - Left Front
Connector 20: Marker Lamp - Right Front
Connector 21: Rear Compartment Courtesy Lamp
Connector 22: Tail/Stop Lamp - Left
Connector 23: Tail/Stop Lamp - Right
Connector 24: Park/Turn Signal Lamp - Left Front
Connector 25: Turn Signal Lamp - Left Rear
Connector 26: Park/Turn Signal Lamp - Right Front
Connector 27: Turn Signal Lamp - Right Rear
Connector 28: Turn Signal Repeater - Left
Connector 29: Turn Signal Repeater - Right
Connector 30: Turn Signal/Multifunction Switch X1
Connector 31: Turn Signal/Multifunction Switch X2

Ambient Light Sensor


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Ambient Light Sensor

Pin

Wire Color

Circuit No.

Function

A

0.35 L-GN/BK

1137

DRL Ambient Light Sensor Signal

B

0.35 YE/BK

1138

DRL Ambient Light Sensor Low Reference

Backup Lamp


Object Number: 1413080  Size: CH

Connector Part Information

  • OEM: 7223-1324-60
  • Description: 2-Way F 090 Series (GN)

Backup Lamp

Pin

Wire Color

Circuit No.

Function

1

0.5 L-GN

24

Backup Lamp Supply Voltage

2

0.5 BK

750

Ground

Backup Lamp Switch (MA5)


Object Number: 516604  Size: CH

Connector Part Information

  • OEM: 12103584
  • Description: 2-Way M Weather Pack (BK)

Backup Lamp Switch (MA5)

Pin

Wire Color

Circuit No.

Function

A

0.8 PK

539

Ignition 1 Voltage

B

0.8 L-GN

24

Backup Lamp Supply Voltage

Brake Pedal Position Sensor


Object Number: 1243663  Size: CH

Connector Part Information

  • OEM: 15332132
  • Description: 3-Way F GT 150 Series (BK)

Brake Pedal Position Sensor

Pin

Wire Color

Circuit No.

Function

A

0.35 WH

5359

5-Volt Reference

B

0.35 YE

5361

Brake Pedal Position Sensor Signal

C

0.35 BN

5360

Low Reference

Center High Mounted Stop Lamp (CHMSL)


Object Number: 537107  Size: CH

Connector Part Information

  • OEM: 15449029
  • Description: 2-Way F GT 150 Series, Sealed (GY)

Center High Mounted Stop Lamp (CHMSL)

Pin

Wire Color

Circuit No.

Function

A

0.5 BK

750

Ground

B

0.5 L-BU

20

Stop Lamp Supply Voltage

Fog Lamp - Left Front (T96)


Object Number: 1413064  Size: CH

Connector Part Information

  • OEM: 12124819
  • Description: 2-Way F Metri-Pack 280 Series, Sealed (BK)

Fog Lamp - Left Front (T96)

Pin

Wire Color

Circuit No.

Function

A

0.5 PK

2234

Front Fog Lamp Supply Voltage

B

0.5 BK

150

Ground

Fog Lamp - Right Front (T96)


Object Number: 1413064  Size: CH

Connector Part Information

  • OEM: 12124819
  • Description: 2-Way F Metri-Pack 280 Series, Sealed (BK)

Fog Lamp - Right Front (T96)

Pin

Wire Color

Circuit No.

Function

A

0.5 PK

2234

Front Fog Lamp Supply Voltage

B

0.5 BK

250

Ground

Fog Lamp - Rear (T79)


Object Number: 307909  Size: CH

Connector Part Information

  • OEM: 1215791
  • Description: 2-Way F, Sealed (GY)

Fog Lamp - Rear (T79)

Pin

Wire Color

Circuit No.

Function

1

0.5 OG

122

Rear Fog Lamp Supply Voltage

2

0.5 BK

750

Ground

Fog Lamp Switch - Front (T96)


Object Number: 1283883  Size: CH

Connector Part Information

  • OEM: 15419483
  • Description: 4-Way F Metri-Pack 150 Series (BK)

Fog Lamp Switch - Front (T96)

Pin

Wire Color

Circuit No.

Function

A

0.35 BK

550

Ground

B

--

--

Not Used

C

0.35 OG

192

Front Fog Lamp Switch Signal

D

0.35 GY

8

Instrument Panel Lamp Supply Voltage

Fog Lamp Switch - Rear (T79)


Object Number: 39665  Size: CH

Connector Part Information

  • OEM: 12047785
  • Description: 4-Way F Metri-Pack 150 Series (BK)

Fog Lamp Switch - Rear (T79)

Pin

Wire Color

Circuit No.

Function

A

0.35 BK

550

Ground

B

--

--

Not Used

C

0.35 L-BU

187

Rear Fog Lamp Switch Signal

D

0.35 GY

8

Instrument Panel Lamp Supply Voltage

Hazard Switch


Object Number: 333035  Size: CH

Connector Part Information

  • OEM: 12047781
  • Description: 3-Way F Metri-Pack 150 Series (BK)

Hazard Switch

Pin

Wire Color

Circuit No.

Function

A

0.35 GY

8

Instrument Panel Lamp Supply Voltage

B

0.35 BK

550

Ground

C

0.35WH

111

Hazard Switch Signal

Headlamp - Left High Beam


Object Number: 1528375  Size: CH

Connector Part Information

  • OEM: See Catalog
  • Description: 2-Way F Metri-Pack 280 Series, Sealed (BK)

Headlamp - Left High Beam

Pin

Wire Color

Circuit No.

Function

A

0.8 BK

--

Left Headlamp High Beam Supply Voltage

B

0.8 BK

--

Ground

Headlamp - Right High Beam


Object Number: 1528375  Size: CH

Connector Part Information

  • OEM: See Catalog
  • Description: 2-Way F Metri-Pack 280 Series, Sealed (BK)

Headlamp - Right High Beam

Pin

Wire Color

Circuit No.

Function

A

0.8 BK

--

Right Headlamp High Beam Supply Voltage

B

0.8 BK

--

Ground

Headlamp - Left Low Beam


Object Number: 1528375  Size: CH

Connector Part Information

  • OEM: See Catalog
  • Description: 2-Way F Metri-Pack 280 Series, Sealed (GY)

Headlamp - Left Low Beam

Pin

Wire Color

Circuit No.

Function

A

0.8 RD

--

Left Headlamp Low Beam Supply Voltage

B

0.8 RD

--

Ground

Headlamp - Right Low Beam


Object Number: 1528375  Size: CH

Connector Part Information

  • OEM: See Catalog
  • Description: 2-Way F Metri-Pack 280 Series, Sealed (GY)

Headlamp - Right Low Beam

Pin

Wire Color

Circuit No.

Function

A

0.8 RD

--

Right Headlamp Low Beam Supply Voltage

B

0.8 RD

--

Ground

I/P Dimmer Switch


Object Number: 808685  Size: CH

Connector Part Information

  • OEM: 12020299
  • Description: 5-Way F P/C Edgeboard - Standard (NA)

I/P Dimmer Switch

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

0.35 PU

719

Sensor Low Reference

C

0.35 D-GN

44

Instrument Panel Lamp Dimmer Switch Signal

D-E

--

--

Not Used

License Lamp - Left


Object Number: 1394022  Size: CH

Connector Part Information

  • OEM: See Catalog
  • Description: 2-Way F Micro-Pack 150 Series Sealed (BK)

License Lamp - Left

Pin

Wire Color

Circuit No.

Function

1

0.5 BK

750

Tail/License Lamps Supply Voltage

2

0.5 BN

9

Tail/License Lamps Supply Voltage

License Lamp - Right


Object Number: 1394022  Size: CH

Connector Part Information

  • OEM: See Catalog
  • Description: 2-Way F Micro-Pack 150 Series Sealed (BK)

License Lamp - Right

Pin

Wire Color

Circuit No.

Function

1

0.5 BK

750

Tail/License Lamps Supply Voltage

2

0.5 BN

9

Tail/License Lamps Supply Voltage

Marker Lamp - Left Front


Object Number: 1625659  Size: CH

Connector Part Information

  • OEM: E-3550-000
  • Description: 2-Way F 1.5 Series, Sealed (BK)

Marker Lamp - Left Front

Pin

Wire Color

Circuit No.

Function

1

0.5 BN

9

Park Lamp Supply Voltage

2

0.8 BK

150

Ground

Marker Lamp - Right Front


Object Number: 1625659  Size: CH

Connector Part Information

  • OEM: E-3550-000
  • Description: 2-Way F 1.5 Series, Sealed (BK)

Marker Lamp - Right Front

Pin

Wire Color

Circuit No.

Function

1

0.5 BN

9

Park Lamp Supply Voltage

2

0.8 BK

250

Ground

Rear Compartment Courtesy Lamp


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Rear Compartment Courtesy Lamp

Pin

Wire Color

Circuit No.

Function

A

0.5 BK

750

Ground

B

0.5 OG/BK

737

Rear Compartment Lamp Control

Tail/Stop Lamp - Left


Object Number: 95769  Size: CH

Connector Part Information

  • OEM: 7822-2945-A22
  • Description: 3-Way F (BK)

Tail/Stop Lamp - Left

Pin

Wire Color

Circuit No.

Function

A

0.8 D-GN/WH

20

Stop Lamp Supply Voltage

B

0.8 RD

809

Tail/License Lamps Supply Voltage

G

0.8 BK

1050

Ground

Tail/Stop Lamp - Right


Object Number: 95769  Size: CH

Connector Part Information

  • OEM: 7822-2945-A22
  • Description: 3-Way F (BK)

Tail/Stop Lamp - Right

Pin

Wire Color

Circuit No.

Function

A

0.5 D-GN/WH

20

Stop Lamp Supply Voltage

B

0.5 RD

609

Tail/License Lamps Supply Voltage

G

0.5 BK

750

Ground

Park/Turn Signal Lamp - Left Front


Object Number: 1860839  Size: CH

Connector Part Information

  • OEM: 7822-2540-A44
  • Description: 3-Way F (BK)

Park/Turn Signal Lamp - Left Front

Pin

Wire Color

Circuit No.

Function

A

0.5 L-BU

14

Left Turn Signal Lamps Supply Voltage

B

0.5 BN

9

Park Lamp Supply Voltage

G

0.5 BK

150

Ground

Turn Signal Lamp - Left Rear


Object Number: 1899103  Size: CH

Connector Part Information

  • OEM: 7822-2540-A44
  • Description: 2-Way F (BK)

Turn Signal Lamp - Left Rear

Pin

Wire Color

Circuit No.

Function

A

0.8 D-GN

618

Left Rear Stop/Turn Lamp Supply Voltage

G

0.8 BK

1050

Ground

0.8 BK

1050

Ground

Park/Turn Signal Lamp - Right Front


Object Number: 1860839  Size: CH

Connector Part Information

  • OEM: 7822-2540-A44
  • Description: 3-Way F (BK)

Park/Turn Signal Lamp - Right Front

Pin

Wire Color

Circuit No.

Function

A

0.5 L-BU

15

Right Turn Signal Lamps Supply Voltage

B

0.5 BN

9

Park Lamp Supply Voltage

G

0.5 BK

250

Ground

Turn Signal Lamp - Right Rear


Object Number: 1899103  Size: CH

Connector Part Information

  • OEM: 7822-2540-A44
  • Description: 2-Way F (BK)

Turn Signal Lamp - Right Rear

Pin

Wire Color

Circuit No.

Function

A

0.5 D-GN

619

Right Rear Stop/Turn Lamp Supply Voltage

G

0.5 BK

750

Ground

0.5 BK

750

Ground

Turn Signal Repeater - Left


Object Number: 632349  Size: CH

Connector Part Information

  • OEM: 15326806
  • Description: 2-Way M 150 Series Sealed (BK)

Turn Signal Repeater - Left

Pin

Wire Color

Circuit No.

Function

A

0.5 L-BU

14

Left Turn Signal Lamps Supply Voltage

B

0.5 BK

150

Ground

Turn Signal Repeater - Right


Object Number: 632349  Size: CH

Connector Part Information

  • OEM: 15326806
  • Description: 2-Way M 150 Series Sealed (BK)

Turn Signal Repeater - Right

Pin

Wire Color

Circuit No.

Function

A

0.5 D-BU

15

Right Turn Signal Lamps Supply Voltage

B

0.5 BK

250

Ground

Turn Signal/Multifunction Switch X1


Object Number: 1376709  Size: CH

Connector Part Information

  • OEM: NACP-08-S
  • Description: 8-Way F Misc (WH)

Turn Signal/Multifunction Switch X1

Pin

Wire Color

Circuit No.

Function

1

0.35 BK/WH

651

Ground

2

0.35 WH

103

Headlamp Switch Headlamps On Signal

3

0.35 BN/WH

301

Park Lamp Switch On Signal

4

0.35 PU/WH

549

Headlamp Switch Headlamps Off Signal

5-8

--

--

Not Used

Turn Signal/Multifunction Switch X2


Object Number: 1593397  Size: CH

Connector Part Information

  • OEM: 15393435
  • Description: 10-Way F Micro (BK)

Turn Signal/Multifunction Switch X2

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

0.35 BK/WH

651

Ground

C

0.35 BN

1356

Flash To Pass Switch Signal

D

0.35 PU

524

Headlamp Dimmer Switch High Beam Signal

E

--

--

Not Used

F

0.35 RD/WH

1970

Headlamp Low Beam Relay Control

G

0.35 YE/BK

1418

Left Rear Turn Signal Switch Signal

H

0.35 D-GN/WH

1419

Right Rear Turn Signal Switch Signal

J-K

--

--

Not Used