GM Service Manual Online
For 1990-2009 cars only
Connector 1: Ambient Light Sensor
Connector 2: Backup Lamp - Left
Connector 3: Backup Lamp - Right
Connector 4: Brake Pedal Position Sensor
Connector 5: Center High Mounted Stop Lamp (CHMSL)
Connector 6: Courtesy/Map Lamp
Connector 7: Dimmer Switch
Connector 8: Dome Lamp - Center (w/o UUC)
Connector 9: Dome Lamp - Rear
Connector 10: Fog Lamp - Left (T96)
Connector 11: Fog Lamp - Right (T96)
Connector 12: Hazard Switch
Connector 13: Headlamp - Left
Connector 14: Headlamp - Right
Connector 15: Headlamp Switch
Connector 16: License Lamp - Left
Connector 17: License Lamp - Right
Connector 18: Marker Lamp - LF
Connector 19: Marker Lamp - RF
Connector 20: Park Lamp - LF
Connector 21: Park Lamp - RF
Connector 22: Park/Stop Lamp - LR
Connector 23: Park/Stop Lamp - RR
Connector 24: Park/Turn Signal Lamp - LF
Connector 25: Park/Turn Signal Lamp - LR
Connector 26: Park/Turn Signal Lamp - RF
Connector 27: Park/Turn Signal Lamp - RR
Connector 28: Rear Wiper/Washer/Fog Lamp Switch
Connector 29: Trailer Connector Adaptor (V92)
Connector 30: Turn Signal/Multifunction Switch
Connector 31: Vanity Mirror Dome Lamp Switch (UUC)
Connector 32: Vanity Mirror Map Lamp (UUC)

Ambient Light Sensor


Object Number: 130637  Size: CH

Connector Part Information

  • OEM: 12064760
  • Service: 12085208
  • Description: 4-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Ambient Light Sensor

Pin

Wire Color

Circuit No.

Function

A

L-BU/BK

590

Driver Sunload Sensor Signal

B

GY

1548

Passenger Sunload Sensor Signal

C

BK/WH

1551

Ground

D

L-GN/BK

1137

DRL Ambient Light Sensor Signal

Backup Lamp - Left


Object Number: 1860067  Size: CH

Connector Part Information

  • OEM: 10351681
  • Service: See Catalog
  • Description: 2-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Backup Lamp - Left

Pin

Wire Color

Circuit No.

Function

1

L-GN

24

Backup Lamp Supply Voltage

2

BK

550

Ground

Backup Lamp - Right


Object Number: 1860067  Size: CH

Connector Part Information

  • OEM: 10351681
  • Service: See Catalog
  • Description: 2-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Backup Lamp - Right

Pin

Wire Color

Circuit No.

Function

1

L-GN

24

Backup Lamp Supply Voltage

2

BK

850

Ground

Brake Pedal Position Sensor


Object Number: 1243663  Size: CH

Connector Part Information

  • OEM: 15332132
  • Service: 88953364
  • Description: 3-Way F GT 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Brake Pedal Position Sensor

Pin

Wire Color

Circuit No.

Function

A

OG/BK

6035

Brake Pedal Displacement Sensor Low Reference

B

D-BU

6037

Brake Pedal Displacement Sensor Signal

C

GY

6036

Brake Pedal Displacement Sensor 5 Volt Reference

Center High Mounted Stop Lamp (CHMSL)


Object Number: 1413080  Size: CH

Connector Part Information

  • OEM: 7223-1324
  • Service: 88988460
  • Description: 2-Way F 090 Series (WH)

Terminal Part Information

  • Terminal/Tray: 7116-1420/11
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 15315247/J-35616-18 (BK)

Center High Mounted Stop Lamp (CHMSL)

Pin

Wire Color

Circuit No.

Function

1

L-BU

1320

CHMSL Supply Voltage

2

BK

850

Ground

Courtesy/Map Lamp


Object Number: 333035  Size: CH

Connector Part Information

  • OEM: 12047781
  • Service: 12101864
  • Description: 3-Way F Metri-pack 150 Series (BK)

Courtesy/Map Lamp

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Electronic Control Unit 12 Volt Reference

B

BK

850

Ground

C

GY

157

Interior Lamp Control

Dimmer Switch


Object Number: 808685  Size: CH

Connector Part Information

  • OEM: 12020299
  • Service: 12102566
  • Description: 5-Way F P/C Edgeboard - Standard (CM)

Terminal Part Information

  • Terminal/Tray: 12040511/3
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Dimmer Switch

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

D-GN

44

Instrument Panel Lamps Dimmer Switch Signal

C

BK/WH

1551

Ground

D

OG/WH

812

12-Volt Reference

E

--

--

Not Used

Dome Lamp - Center (w/o UUC)


Object Number: 130635  Size: CH

Connector Part Information

  • OEM: 12045813
  • Service: 12101889
  • Description: 4-Way F Metri-pack 150 Series (BK)

Dome Lamp - Center (w/o UUC)

Pin

Wire Color

Circuit No.

Function

A

YE

149

Right Headlamp Low Beam Supply Voltage

B

GY

157

Interior Lamp Control

C

OG

1732

Electronic Control Unit 12 Volt Reference

D

BK

850

Ground

Dome Lamp - Rear


Object Number: 130635  Size: CH

Connector Part Information

  • OEM: 12045813
  • Service: 12101889
  • Description: 4-Way F Metri-pack 150 Series (BK)

Dome Lamp - Rear

Pin

Wire Color

Circuit No.

Function

A

-

-

Not Used

B

GY

157

Interior Lamp Control

C

-

-

Not Used

D

BK

850

Ground

Fog Lamp - Left (T96)


Object Number: 1413064  Size: CH

Connector Part Information

  • OEM: 12124819
  • Service: 12085498
  • Description: 2-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12077411/2
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Fog Lamp - Left (T96)

Pin

Wire Color

Circuit No.

Function

A

PU

34

Front Fog Lamp Supply Voltage

B

BK

1250

Ground

Fog Lamp - Right (T96)


Object Number: 1413064  Size: CH

Connector Part Information

  • OEM: 12124819
  • Service: 12085498
  • Description: 2-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12077411/2
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Fog Lamp - Right (T96)

Pin

Wire Color

Circuit No.

Function

A

PU

34

Front Fog Lamp Supply Voltage

B

BK

1250

Ground

Hazard Switch


Object Number: 1412993  Size: CH

Connector Part Information

  • OEM: 7183-7201-80
  • Service: See Catalog
  • Description: 8-Way F (BN)

Terminal Part Information

  • Pins: B, C, I, J
  • Terminal/Tray: 8240-4412/22
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: I, I
  • Terminal/Tray: 8240-4422/6
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Hazard Switch

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

TN

2144

Hazard Switch Signal

C

BK/WH

1551

Ground

D-H

--

--

Not Used

I

GY

8

Instrument Panel Lamp Supply Voltage

J

BK

1450

Ground

Headlamp - Left


Object Number: 1857555  Size: CH

Connector Part Information

  • OEM: 15203303
  • Service: See Catalog
  • Description: 3-Way F Sealed (GN)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Headlamp - Left

Pin

Wire Color

Circuit No.

Function

1

D-GN

712

Left Headlamp Low Beam Supply Voltage

2

BK

1250

Ground

3

WH

711

Left Headlamp High Beam Supply Voltage

Headlamp - Right


Object Number: 1857555  Size: CH

Connector Part Information

  • OEM: 15203303
  • Service: See Catalog
  • Description: 3-Way F Sealed (GN)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Headlamp - Right

Pin

Wire Color

Circuit No.

Function

1

D-GN

312

Right Headlamp Low Beam Supply Voltage

2

BK

1250

Ground

3

WH

311

Right Headlamp High Beam Supply Voltage

Headlamp Switch


Object Number: 1376709  Size: CH

Connector Part Information

  • OEM: 15450317
  • Service: 88987843
  • Description: 8-Way F Unsealed (WH)

Terminal Part Information

  • Terminal/Tray: SNAC-A03T-M040/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12094429/J-35616-12 (BU)

Headlamp Switch

Pin

Wire Color

Circuit No.

Function

1

BK/WH

1551

Ground

2

WH

103

Headlamp Switch On Signal

3

BN/WH

301

Park Lamp Switch On Signal

4

D-GN

306

Headlamp Switch Headlamps Off Signal

5-8

--

--

Not Used

License Lamp - Left


Object Number: 744036  Size: CH

Connector Part Information

  • OEM: 12110053
  • Service: See Catalog
  • Description: 2-Way F Lamp Socket Wedge Base W2 (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

License Lamp - Left

Pin

Wire Color

Circuit No.

Function

A

BK

309

Right Park Lamp Supply Voltage

B

BK

550

Ground

License Lamp - Right


Object Number: 744036  Size: CH

Connector Part Information

  • OEM: 12110053
  • Service: See Catalog
  • Description: 2-Way F Lamp Socket Wedge Base W2 (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

License Lamp - Right

Pin

Wire Color

Circuit No.

Function

A

BK

309

Right Park Lamp Supply Voltage

BK

309

Right Park Lamp Supply Voltage

B

BK

550

Ground

BK

550

Ground

Marker Lamp - LF


Object Number: 1860067  Size: CH

Connector Part Information

  • OEM: 10351681
  • Service: See Catalog
  • Description: 2-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Marker Lamp - LF

Pin

Wire Color

Circuit No.

Function

1

L-GN

709

Left Park Lamp Supply Voltage

2

BK

1250

Ground

BK

1250

Ground

Marker Lamp - RF


Object Number: 1860067  Size: CH

Connector Part Information

  • OEM: 10351681
  • Service: See Catalog
  • Description: 2-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Marker Lamp - RF

Pin

Wire Color

Circuit No.

Function

1

L-GN

309

Right Park Lamp Supply Voltage

2

BK

1250

Ground

BK

1250

Ground

Park Lamp - LF


Object Number: 1860067  Size: CH

Connector Part Information

  • OEM: 10351681
  • Service: See Catalog
  • Description: 2-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Park Lamp - LF

Pin

Wire Color

Circuit No.

Function

1

L-GN

709

Left Park Lamp Supply Voltage

L-GN

709

Left Park Lamp Supply Voltage

2

BK

1250

Ground

BK

1250

Ground

Park Lamp - RF


Object Number: 1860067  Size: CH

Connector Part Information

  • OEM: 10351681
  • Service: See Catalog
  • Description: 2-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Park Lamp - RF

Pin

Wire Color

Circuit No.

Function

1

L-GN

309

Right Park Lamp Supply Voltage

L-GN

309

Right Park Lamp Supply Voltage

2

BK

1250

Ground

BK

1250

Ground

Park/Stop Lamp - LR


Object Number: 1857554  Size: CH

Connector Part Information

  • OEM: 1999370
  • Service: See Catalog
  • Description: 3-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Park/Stop Lamp - LR

Pin

Wire Color

Circuit No.

Function

MIN

D-BU

20

Stop Lamp Supply Voltage/Stop Lamp Switch Signal

MAJ

D-GN

709

Left Park Lamp Supply Voltage

G

BK

550

Ground

BK

550

Ground

Park/Stop Lamp - RR


Object Number: 1857554  Size: CH

Connector Part Information

  • OEM: 1999370
  • Service: See Catalog
  • Description: 3-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Park/Stop Lamp - RR

Pin

Wire Color

Circuit No.

Function

MIN

D-BU

20

Stop Lamp Supply Voltage/Stop Lamp Switch Signal

MAJ

D-GN

309

Right Park Lamp Supply Voltage

G

BK

850

Ground

BK

850

Ground

Park/Turn Signal Lamp - LF


Object Number: 1857554  Size: CH

Connector Part Information

  • OEM: 1999370
  • Service: See Catalog
  • Description: 3-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Park/Turn Signal Lamp - LF

Pin

Wire Color

Circuit No.

Function

MIN

D-BU

1314

Left Front Turn Signal Lamp Supply Voltage

MAJ

L-GN

709

Left Park Lamp Supply Voltage

L-GN

709

Left Park Lamp Supply Voltage

G

BK

1250

Ground

BK

1250

Ground

Park/Turn Signal Lamp - LR


Object Number: 1857554  Size: CH

Connector Part Information

  • OEM: 1999370
  • Service: See Catalog
  • Description: 3-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Park/Turn Signal Lamp - LR

Pin

Wire Color

Circuit No.

Function

MIN

WH

18

Left Rear Stop/Turn Lamp Supply Voltage

MAJ

D-GN

709

Left Park Lamp Supply Voltage

D-GN

709

Left Park Lamp Supply Voltage

G

BK

550

Ground

BK

550

Ground

Park/Turn Signal Lamp - RF


Object Number: 1857554  Size: CH

Connector Part Information

  • OEM: 1999370
  • Service: See Catalog
  • Description: 3-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Park/Turn Signal Lamp - RF

Pin

Wire Color

Circuit No.

Function

MIN

D-BU

1315

Right Front Turn Signal Lamp Supply Voltage

MAJ

L-GN

309

Right Park Lamp Supply Voltage

L-GN

309

Right Park Lamp Supply Voltage

G

BK

1250

Ground

BK

1250

Ground

Park/Turn Signal Lamp - RR


Object Number: 1857554  Size: CH

Connector Part Information

  • OEM: 1999370
  • Service: See Catalog
  • Description: 3-Way F Lamp Socket Sealed (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Park/Turn Signal Lamp - RR

Pin

Wire Color

Circuit No.

Function

MIN

WH

19

Right Rear Stop/Turn Lamp Supply Voltage

MAJ

D-GN

309

Right Park Lamp Supply Voltage

D-GN

309

Right Park Lamp Supply Voltage

G

BK

850

Ground

BK

850

Ground

Rear Wiper/Washer/Fog Lamp Switch


Object Number: 1664548  Size: CH

Connector Part Information

  • OEM: HCMPB-06-K
  • Service: 19115655
  • Description: 6-Way F HCM Series (BK)

Terminal Part Information

  • Terminal/Tray: SHCM-A03T-P025/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Rear Wiper/Washer/Fog Lamp Switch

Pin

Wire Color

Circuit No.

Function

1

BK/WH

1551

Ground

2

GY

391

Rear Window Wiper Switch Signal

3

L-GN

2270

Rear Window Washer Relay Control

4

OG

192

Front Fog Lamp Switch Signal/Fog Lamps Enable (T96)

5

BK

1450

Ground

6

PU/WH

1382

LED Dimming Signal (T96)

Trailer Connector Adaptor (V92)


Object Number: 1479630  Size: CH

Connector Part Information

  • OEM: 15A416
  • Service: Not Serviced
  • Description: 4-Way F (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Trailer Connector Adaptor (V92)

Pin

Wire Color

Circuit No.

Function

1

BK

850

Ground

2

BN

2109

Trailer Park Lamps Supply Voltage

3

YE

1618

Trailer Left Rear Turn/Stop Lamp Supply Voltage

4

D-GN

1619

Trailer Right Rear Turn/Stop Lamp Supply Voltage

Turn Signal/Multifunction Switch


Object Number: 845610  Size: CH

Connector Part Information

  • OEM: 15393435
  • Service: 88986438
  • Description: 10-Way F Micro 64 (GY)

Terminal Part Information

  • Terminal/Tray: 12177007/19
  • Core/Insulation Crimp: E/2
  • Release Tool/Test Probe: 12180559-1/J-35616-64B (L-BU)

Turn Signal/Multifunction Switch

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BK/WH

1551

Ground

C

BN

1356

Flash To Pass Switch Signal

D

PU

524

Headlamp Dimmer Switch High Beam Signal

E

--

--

Not Used

F

BK/WH

1551

Ground

G

L-BU/WH

1414

Left Front Turn Signal Switch Signal

H

D-BU/WH

1415

Right Front Turn Signal Switch Signal

J-K

--

--

Not Used

Vanity Mirror Dome Lamp Switch (UUC)


Object Number: 287973  Size: CH

Connector Part Information

  • OEM: 12047782
  • Service: 12117371
  • Description: 3-Way M Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Vanity Mirror Dome Lamp Switch (UUC)

Pin

Wire Color

Circuit No.

Function

A

D-BU/WH

149

Courtesy Lamp Supply Voltage

B

GY

157

Courtesy Lamp Control

C

OG

1732

Courtesy Lamps Supply Voltage

Vanity Mirror Map Lamp (UUC)


Object Number: 333035  Size: CH

Connector Part Information

  • OEM: 12047781
  • Service: 12101864
  • Description: 3-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Vanity Mirror Map Lamp (UUC)

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Courtesy Lamps Supply Voltage

B

BK

850

Ground

C

GY

157

Courtesy Lamp Control