GM Service Manual Online
For 1990-2009 cars only
Table 1: Ambient Light Sensor
Table 2: Backup Lamp - Left
Table 3: Backup Lamp - Right
Table 4: Center High Mounted Stop Lamp (CHMSL)
Table 5: DRL Diode (D300)
Table 6: Fog Lamp - LF
Table 7: Fog Lamp - RF
Table 8: Headlamp - Left High Beam
Table 9: Headlamp - Left Low Beam
Table 10: Headlamp - Right High Beam
Table 11: Headlamp - Right Low Beam
Table 12: Headlamp Switch
Table 13: I/P Compartment Lamp
Table 14: Inside Rearview Mirror - DJ2
Table 15: Inside Rearview Mirror - W/O DJ2
Table 16: License Lamp - Left
Table 17: License Lamp - Right
Table 18: Marker Lamp - LF
Table 19: Marker Lamp - LR
Table 20: Marker Lamp - RF
Table 21: Marker Lamp - RR
Table 22: Park/Turn Signal Lamp - LF
Table 23: Park/Turn Signal Lamp - RF
Table 24: Stop Lamp Switch
Table 25: Tail/Stop and Turn Signal Lamp - Left
Table 26: Tail/Stop and Turn Signal Lamp - Right
Table 27: Turn Signal/Hazard Flasher Module
Table 28: Turn Signal/Multifunction Switch C1
Table 29: Turn Signal/Multifunction Switch C2
Table 30: Turn Signal/Multifunction Switch C3
Table 31: Turn Signal/Multifunction Switch C4 (w/K34)
Table 32: Vanity Mirror Lamp - LF
Table 33: Vanity Mirror Lamp - RF

Ambient Light Sensor


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WH

278

Ambient Light Sensor Signal

B

BK

279

Ambient Light Sensor Low Reference

Backup Lamp - Left


Object Number: 95769  Size: CH

Connector Part Information

    • 12160392
    • 3-Way F Lamp Socket Components, Bulb Bases, Type C-2, Right Angle (GY)

Pin

Wire Color

Circuit No.

Function

A

L-GN

24

Backup Lamp Supply Voltage

B

--

--

Not Used

G

BK

1550

Ground

Backup Lamp - Right


Object Number: 95769  Size: CH

Connector Part Information

    • 12160392
    • 3-Way F Lamp Socket Components, Bulb Bases, Type C-2, Right Angle (GY)

Pin

Wire Color

Circuit No.

Function

A

L-GN

24

Backup Lamp Supply Voltage

B

--

--

Not Used

G

BK

1550

Ground

Center High Mounted Stop Lamp (CHMSL)


Object Number: 900247  Size: CH

Connector Part Information

    • 15358845
    • 2-Way F GT 150 Sealed 4.0 (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

820

CHMSL Supply Voltage

B

BK

1550

Ground

DRL Diode (D300)


Object Number: 808706  Size: CH

Connector Part Information

    • 12064749
    • 2-Way F Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

OG

840

Battery Positive Voltage

OG

840

Battery Positive Voltage

B

YE

634

DRL Relay Coil Supply Voltage

Fog Lamp - LF


Object Number: 808661  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PU

34

Fog Lamp Supply Voltage

B

BK

350

Ground

Fog Lamp - RF


Object Number: 808661  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PU

34

Fog Lamp Supply Voltage

B

BK

350

Ground

Headlamp - Left High Beam


Object Number: 1341464  Size: CH

Connector Part Information

    • 15336116
    • 2-Way F Metri-Pack 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

D-GN/WH

711

Left Headlamp High Beam Supply Voltage

2

BK

350

Ground

Headlamp - Left Low Beam


Object Number: 808661  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YE

712

Left Headlamp Low Beam Supply Voltage

B

BK

350

Ground

Headlamp - Right High Beam


Object Number: 1341464  Size: CH

Connector Part Information

    • 15336116
    • 2-Way F Metri-Pack 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

L-GN/BK

311

Right Headlamp High Beam Supply Voltage

2

BK

250

Ground

Headlamp - Right Low Beam


Object Number: 808661  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TN/WH

312

Right Headlamp Low Beam Supply Voltage

B

BK

250

Ground

Headlamp Switch


Object Number: 684891  Size: CH

Connector Part Information

    • IL-AG5-18S-D3C1
    • 18-Way F (GN)

Pin

Wire Color

Circuit No.

Function

1

GY

705

5-Volt Reference

2-3

Not Used

4

BK

2250

Ground

5-6

Not Used

7

OG

192

Front Fog Lamp Switch Signal

8

GY/BK

308

Park Lamp Switch On Signal

9

OG/BK

2090

Instrument Panel Lamp Dimming Control

10

GY/BK

2226

Instrument Panel Lamp Dimming Switch Low Reference

11

Not Used

12

BN/WH

230

Instrument Panel Lamp Dimming Control

13

PU

34

Front Fog Lamp Supply Voltage

14-15

Not Used

16

BK

2250

Ground

17

WH

103

Headlamp Switch On Signal

18

Not Used

I/P Compartment Lamp


Object Number: 82383  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

OG

1732

Inadvertent Courtesy Lamp Supply Voltage

B

BK

2250

Ground

Inside Rearview Mirror - DJ2


Object Number: 850873  Size: CH

Connector Part Information

    • 936163-2
    • 10-Way F 2x5, 0.64 mm Unsealed (BK)

Pin

Wire Color

Circuit No.

Function

1-2

--

--

Not Used

3

BK

1450

Ground

4

GY

1690

Automatic Day/Night Mirror Signal

5

OG

3140

Battery Positive Voltage

6

PK

639

Ignition 1 Voltage

7

L-GN

24

Backup Lamp Supply Voltage

8

GY/BK

690

Courtesy Lamp Supply Voltage

9

PK

1691

Automatic Day/Night Mirror Low Reference

10

--

--

Not Used

Inside Rearview Mirror - W/O DJ2


Object Number: 826267  Size: CH

Connector Part Information

    • VHR-7N-BK
    • 7-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

OG

1732

Inadvertent Power Courtesy Lamp

3-5

--

--

Not Used

6

GY/BK

690

Courtesy Lamp Supply Voltage

7

BK

1450

Ground

License Lamp - Left


Object Number: 744036  Size: CH

Connector Part Information

    • 12110053
    • 2-Way F Lamp Socket Wedge Base W2 (L-GY)

Pin

Wire Color

Circuit No.

Function

A

BN

2509

Rear Park Lamps Supply Voltage

B

BK

1550

Ground

License Lamp - Right


Object Number: 744036  Size: CH

Connector Part Information

    • 12110053
    • 2-Way F Lamp Socket Wedge Base W2 (L-GY)

Pin

Wire Color

Circuit No.

Function

A

BN

2509

Rear Park Lamps Supply Voltage

B

BK

1550

Ground

Marker Lamp - LF


Object Number: 1283850  Size: CH

Connector Part Information

    • E3550-000
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

BN

2309

Front Park Lamps Supply Voltage

2

L-BU

2114

Left Turn Signal Lamps Supply Voltage

Marker Lamp - LR


Object Number: 1283850  Size: CH

Connector Part Information

    • E3550-000
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

BN

2509

Left Rear Park Lamps Supply Voltage

2

BK

1550

Ground

Marker Lamp - RF


Object Number: 1283850  Size: CH

Connector Part Information

    • E3550-000
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

BN

2309

Front Park Lamps Supply Voltage

2

D-BU

2115

Right Turn Signal Lamps Supply Voltage

Marker Lamp - RR


Object Number: 1283850  Size: CH

Connector Part Information

    • E3550-000
    • 2-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

BN/WH

2609

Right Rear Park Lamps Supply Voltage

2

BK

1550

Ground

Park/Turn Signal Lamp - LF


Object Number: 684807  Size: CH

Connector Part Information

    • 12110293
    • 3-Way F Metri-Pack 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU

2114

Left Turn Signal Lamps Supply Voltage

B

BN

2309

Front Park Lamps Supply Voltage

C

BK

350

Ground

Park/Turn Signal Lamp - RF


Object Number: 684807  Size: CH

Connector Part Information

    • 12110293
    • 3-Way F Metri-Pack 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

2115

Right Turn Signal Lamps Supply Voltage

B

BN

2309

Front Park Lamps Supply Voltage

C

BK

250

Ground

Stop Lamp Switch


Object Number: 62424  Size: CH

Connector Part Information

    • 12040551
    • 6-Way F Metri-Pack 480 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

WH

17

Stop Lamp Switch Signal

WH

17

Stop Lamp Switch Signal

B

OG

1540

Battery Positive Voltage

C

PU

420

Torque Converter Clutch Brake Switch Signal

D

PK

639

Run/Crank Ignition 1 Voltage

E

D-GN/WH

1135

Brake Transmission Shift Interlock Solenoid Supply Voltage

D-GN/WH

1135

Brake Transmission Shift Interlock Solenoid Supply Voltage

F

L-GN/BK

584

Brake Transmission Shift Interlock Switch Supply Voltage

Tail/Stop and Turn Signal Lamp - Left


Object Number: 1283128  Size: CH

Connector Part Information

    • ZFI-00701-UA
    • 3-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

1550

Ground

2

BN

2509

Left Rear Park Lamps Supply Voltage

3

YE/BK

1618

Trailer Left Rear Turn/Stop Lamp Supply Voltage

Tail/Stop and Turn Signal Lamp - Right


Object Number: 1283128  Size: CH

Connector Part Information

    • ZFI-00701-UA
    • 3-Way F (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

1550

Ground

2

BN/WH

2609

Right Rear Park Lamps Supply Voltage

3

D-GN

1619

Trailer Right Rear Turn/Stop Lamp Supply Voltage

Turn Signal/Hazard Flasher Module


Object Number: 1385119  Size: CH

Connector Part Information

    • 15359360
    • 10-Way F Metri-Pack Mixed Series (GY)

Pin

Wire Color

Circuit No.

Function

A

L-GN

1427

Right Turn Signal Switch Signal

B

WH

17

Stop Lamp Switch Signal

C

YE

18

Left Rear Stop/Turn Lamp Supply Voltage

D

D-GN

19

Right Rear Stop/Turn Lamp Supply Voltage

E

BK

2250

Ground

F

D-GN

1428

Left Turn Signal Switch Signal

G

WH

111

Hazard Switch Signal

H

YE

685

Left Turn Lamp Supply Voltage

J

TN

686

Right Turn Lamp Supply Voltage

K

OG

140

Battery Positive Voltage

Turn Signal/Multifunction Switch C1


Object Number: 39746  Size: CH

Connector Part Information

    • 12064862
    • 8-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

1427

Right Turn Signal Switch Signal

B

PK

639

Ignition 1 Voltage

C

D-GN

1428

Left Turn Signal Switch Signal

D

BK

58

Right Cornering Lamp Supply Voltage

E

BN

2309

Front Park Lamps Supply Voltage

F

--

--

Not Used

G

BK/YE

28

Horn Relay Control

H

WH

111

Hazard Switch Signal

Turn Signal/Multifunction Switch C2


Object Number: 130718  Size: CH

Connector Part Information

    • 12059800
    • 5-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1851

Ground

B

YE/BK

307

Headlamp Switch Flash to Pass Sgnal

C

L-GN

11

Headlamp Dimmer Switch Signal

D-E

--

--

Not Used

Turn Signal/Multifunction Switch C3


Object Number: 811190  Size: CH

Connector Part Information

    • 15339058
    • 7-Way F Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

G

--

--

Not Used

H

PK

94

Windshield Wiper Switch Signal 1

J

GY

478

Windshield Wiper Switch Supply Voltage

K

D-BU/WH

477

Windshield Wiper Switch High Signal

L-N

--

--

Not Used

Turn Signal/Multifunction Switch C4 (w/K34)


Object Number: 39661  Size: CH

Connector Part Information

    • 12047786
    • 4-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

341

Ignition 3 Voltage

B

GY/WH

397

Cruise Control On Switch Signal

C

GY/BK

87

Cruise Control Resume/Accel Switch Signal

D

D-BU

84

Cruise Control Set/Coast Switch Signal

Vanity Mirror Lamp - LF


Object Number: 333035  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BK

1450

Ground

B

OG

1732

Inadvertent Courtesy Lamp Supply Voltage

C

--

--

Not Used

Vanity Mirror Lamp - RF


Object Number: 333035  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BK

1450

Ground

B

OG

1732

Inadvertent Courtesy Lamp Supply Voltage

C

--

--

Not Used