GM Service Manual Online
For 1990-2009 cars only
Table 1: Backup Lamp - Left
Table 2: Backup Lamp - Right
Table 3: Cargo Lamp
Table 4: Center High Mounted Stop Lamp (CHMSL)
Table 5: Courtesy/Reading Lamp - Center
Table 6: Courtesy/Reading Lamp - Front
Table 7: Fog Lamp - LF
Table 8: Fog Lamp - RF
Table 9: Headlamp - High Beam - Left
Table 10: Headlamp - High Beam - Right
Table 11: Headlamp - Low Beam - Left
Table 12: Headlamp - Low Beam - Right
Table 13: I/P Dimmer Switch
Table 14: Interior Lamp Defeat Switch
Table 15: License Lamp - Left
Table 16: License Lamp - Right
Table 17: Marker Lamp - LF
Table 18: Marker Lamp - LR
Table 19: Marker Lamp - RF
Table 20: Marker Lamp - RR
Table 21: Park/Turn Signal Lamp - LF
Table 22: Park/Turn Signal Lamp - RF
Table 23: Stop Lamp Switch
Table 24: Stop/Park Lamp - LR
Table 25: Stop/Park Lamp - RR
Table 26: Trailer Connector
Table 27: Turn Signal/Hazard Flasher Module (w/o TT6)
Table 28: Turn Signal/Hazard Flasher Module (w/TT6)
Table 29: Turn Signal Lamp - LR
Table 30: Turn Signal Lamp - RR
Table 31: Turn Signal/Multifunction Switch C1
Table 32: Turn Signal/Multifunction Switch C2
Table 33: Turn Signal/Multifunction Switch C3
Table 34: Turn Signal/Multifunction Switch C4
Table 35: Vanity Mirror Lamp - Left
Table 36: Vanity Mirror Lamp - Right

Backup Lamp - Left


Object Number: 1565709  Size: CH

Connector Part Information

    • 1012404
    • 2-Way F CIC W2 Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

BK

--

Ground

B

YE

--

Backup Lamp Supply Voltage

Backup Lamp - Right


Object Number: 1565709  Size: CH

Connector Part Information

    • 1012404
    • 2-Way F CIC W2 Socket (GY)

Pin

Wire Color

Circuit No.

Function

A

BK

--

Ground

B

YE

--

Backup Lamp Supply Voltage

Cargo 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

BK

1350

Ground

B

GY/BK

690

Courtesy Lamp Supply Voltage

Center High Mounted Stop Lamp (CHMSL)


Object Number: 35441  Size: CH

Connector Part Information

    • 12047663
    • 2-Way M Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

820

CHMSL Supply Voltage

B

BK

1550

Ground

Courtesy/Reading Lamp - Center


Object Number: 333035  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

GY/BK

690

Courtesy Lamp Supply Voltage

B

BK

1350

Ground

C

OG

1732

Courtesy Lamps Supply Voltage

Courtesy/Reading Lamp - Front


Object Number: 333035  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

GY/BK

690

Courtesy Lamp Supply Voltage

B

BK

1350

Ground

C

OG

1732

Courtesy Lamps Supply Voltage

Fog Lamp - LF


Object Number: 287974  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PU

34

Fog Lamps Supply Voltage

B

BK

350

Ground

Fog Lamp - RF


Object Number: 287974  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PU

34

Fog Lamps Supply Voltage

B

BK

250

Ground

Headlamp - High Beam - Left


Object Number: 684797  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YE

--

Left Headlamp High Beam Supply Voltage

B

D-GN

--

Ground

Headlamp - High Beam - Right


Object Number: 684797  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YE

--

Right Headlamp High Beam Supply Voltage

B

D-GN

--

Ground

Headlamp - Low Beam - Left


Object Number: 684797  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

OG

--

Left Headlamp Low Beam Supply Voltage

B

WH

--

Ground

Headlamp - Low Beam - Right


Object Number: 684797  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

OG

--

Right Headlamp Low Beam Supply Voltage

B

WH

--

Ground

I/P Dimmer Switch


Object Number: 280764  Size: CH

Connector Part Information

    • 12064993
    • 6-Way F Micro-Pack 100 Series Unsealed (BK)

Pin

Wire Color

Circuit No.

Function

5

GY

705

5-Volt Reference

6

BN/WH

230

Instrument Panel Lamps Dimming Control

7

BK

2250

Ground

8

OG/BK

2090

Courtesy Lamps Supply Voltage

9

D-BU/WH

1495

Courtesy Lamp Control

10

GY/BK

2226

Instrument Panel Lamps Dimmer Switch Low Reference

Interior Lamp Defeat Switch


Object Number: 39665  Size: CH

Connector Part Information

    • 12089248
    • 4-Way F Metri-Pack 150 Series (NA)

Pin

Wire Color

Circuit No.

Function

A

BK

2250

Ground

B

BN/WH

230

Instrument Panel Lamps Dimming Control

C

--

--

Not Used

D

PU

328

Interior Lamp Switch Voltage Supply Circuit

License Lamp - Left


Object Number: 130733  Size: CH

Connector Part Information

    • 12146418
    • 2-Way Lamp Socket (L-GY)

Pin

Wire Color

Circuit No.

Function

A

BN

2509

Left Rear Park Lamps and License Lamps Supply Voltage

B

BK

1550

Ground

License Lamp - Right


Object Number: 130733  Size: CH

Connector Part Information

    • 12146418
    • 2-Way Lamp Socket (L-GY)

Pin

Wire Color

Circuit No.

Function

A

BN

2509

Left Rear Park Lamps and License Lamps Supply Voltage

B

BK

1550

Ground

Marker Lamp - LF


Object Number: 523630  Size: CH

Connector Part Information

    • 15326801
    • 2-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

2309

Front Park Lamps Supply Voltage

B

L-BU

2114

Left Turn Signal Lamps Supply Voltage (w/o TT6)

YE

618

Left Rear Turn Signal Lamp Supply Voltage w/TT6)

Marker Lamp - LR


Object Number: 1565709  Size: CH

Connector Part Information

    • 1012202
    • 2-Way F CIC W2 Socket (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

--

Ground

BK

--

Ground

B

PU

--

Left Rear Park lamps Supply Voltage

Marker Lamp - RF


Object Number: 523630  Size: CH

Connector Part Information

    • 15326801
    • 2-Way F GT 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

2309

Front Park Lamps Supply Voltage

B

D-BU

2115

Right Turn Signal Lamps Supply Voltage (w/o TT6)

D-GN

619

Right Turn Signal Lamps Supply Voltage (w/TT6)

Marker Lamp - RR


Object Number: 1565709  Size: CH

Connector Part Information

    • 1012202
    • 2-Way F CIC W2 Socket (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

--

Ground

BK

--

Ground

B

PU

--

Right Rear Park lamps Supply Voltage

Park/Turn Signal Lamp - LF


Object Number: 1575752  Size: CH

Connector Part Information

    • 15466016
    • 3-Way F Receptacle 1.5 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU

2114

Left Turn Signal Lamps Supply Voltage

2

BN

2309

Front Park Lamps Supply Voltage

3

BK

350

Ground

Park/Turn Signal Lamp - RF


Object Number: 1575752  Size: CH

Connector Part Information

    • 15466016
    • 3-Way F Receptacle 1.5 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

D-BU

2115

Left Turn Signal Lamps Supply Voltage

2

BN

2309

Front Park Lamps Supply Voltage

3

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

TCC Brake/Cruise Control Release Signal

D

PK

639

Ignition 1 Voltage

E

D-GN/WH

1135

A/T Shift Lock Control Solenoid Supply Voltage

F

L-GN/BK

584

A/T Shift Lock Control Switch Supply Voltage

Stop/Park Lamp - LR


Object Number: 1565829  Size: CH

Connector Part Information

    • 1013301
    • 3-Way F CIC W3 Socket (BK)

Pin

Wire Color

Circuit No.

Function

GRD

BK

--

Ground

BK

--

Ground

MNR

PU

--

Left Rear Park Lamps Supply Voltage

PU

--

Left Rear Park Lamps Supply Voltage

MJR

BN

--

Stop Lamp Supply Voltage

Stop/Park Lamp - RR


Object Number: 1565829  Size: CH

Connector Part Information

    • 1013301
    • 3-Way F CIC W3 Socket (BK)

Pin

Wire Color

Circuit No.

Function

GRD

BK

--

Ground

BK

--

Ground

MNR

PU

--

Left Rear Park Lamps Supply Voltage

PU

--

Left Rear Park Lamps Supply Voltage

MJR

BN

--

Stop Lamp Supply Voltage

Trailer Connector


Object Number: 525095  Size: CH

Connector Part Information

    • 15354653
    • 7-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

1624

Trailer Backup Lamps Supply Voltage

B

WH

22

Ground

C

D-BU

47

Trailer Auxiliary Supply Voltage

D

D-GN

1619

Trailer Right Rear Turn/Stop Lamp Supply Voltage

E

RD

742

Battery Positive Voltage

F

BN

2109

Trailer Park Lamps Supply Voltage

G

YE

1618

Trailer Left Rear Turn/Stop Lamp Supply Voltage

Turn Signal/Hazard Flasher Module (w/o TT6)


Object Number: 1385119  Size: CH

Connector Part Information

    • 15359360
    • 10-Way F GT 280 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 Signal Flasher Signal

J

TN

686

Right Turn Signal Flasher Signal

K

OG

140

Battery Positive Voltage

Turn Signal/Hazard Flasher Module (w/TT6)


Object Number: 800518  Size: CH

Connector Part Information

    • 15332177
    • 16-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-BU

5364

Left DRL/Turn Supply Voltage

B

YE

18

Left Rear Stop/Turn Lamp Supply Voltage

C

D-GN

588

DRL Switch Signal

D

D-GN

19

Right Rear Stop/Turn Lamp Supply Voltage

E

D-GN

5365

Right DRL/Turn Supply Voltage

F

WH

17

Stop Lamp Switch Signal or Stop Lamp Supply Voltage

G

YE

685

Left Turn Signal Lamps Supply Voltage

H

TN

686

Right Turn Signal Lamps Supply Voltage

J

OG

140

Battery Positive Voltage

K

WH

111

Hazard Switch Signal

L

D-GN

1428

Left Turn Signal Switch Signal

M

L-GN

1427

Right Turn Signal Switch Signal

N

BK

2250

Ground

P-S

--

--

Not Used

Turn Signal Lamp - LR


Object Number: 1565829  Size: CH

Connector Part Information

    • 101350U
    • 3-Way F CIC W3 Socket (GY)

Pin

Wire Color

Circuit No.

Function

GRD

BK

--

Ground

BK

--

Ground

MNR

--

--

Not Used

MJR

L-GN

--

Left Rear Turn Signal Lamp Supply Voltage

Turn Signal Lamp - RR


Object Number: 1565829  Size: CH

Connector Part Information

    • 101350U
    • 3-Way F CIC W3 Socket (GY)

Pin

Wire Color

Circuit No.

Function

GRD

BK

--

Ground

BK

--

Ground

MNR

--

--

Not Used

MJR

L-GN

--

Right Rear Turn Signal Lamp Supply 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-E

--

--

Not Used

F

D-GN

1428

Left Turn Signal Switch Signal

G

PK

639

Ignition 1 Voltage

H

L-GN

1427

Right Turn Signal 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

YE/BK

307

Flash To Pass Signal

B-C

--

--

Not Used

D

BK/WH

751

Ground

E

L-GN

11

Headlamp High Beam Supply Voltage

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-J

--

--

Not Used

K

BK/WH

751

Ground

L

WH

103

Headlamp Switch Headlamps On Signal

M

GY/BK

308

Park Lamp Switch On Signal

N

L-GN

5462

DRL Defeat Switch Signal

Turn Signal/Multifunction Switch C4


Object Number: 40425  Size: CH

Connector Part Information

    • 12064763
    • 6-Way M Metri-Pack 150 Series (GY)

Pin

Wire Color

Circuit No.

Function

A

BN

341

Ignition 3 Voltage

B

GY/WH

397

Cruise Control Switch On Signal

C

D-BU

84

Cruise Control Set/Coast Switch Signal

D

GY/BK

87

Cruise Control Resume/Accel Switch Signal

E

BK/WH

192

Front Fog Lamp Switch Signal

F

BK/WH

751

Ground

Vanity Mirror Lamp - Left


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

Courtesy Lamps Supply Voltage

B

BK

1350

Ground

Vanity Mirror Lamp - Right


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

Courtesy Lamps Supply Voltage

B

BK

1350

Ground