GM Service Manual Online
For 1990-2009 cars only
Table 1: C1 Brake Switch
Table 2: C2 Brake Switch
Table 3: DRL Relay
Table 4: Fog Lamp Relay
Table 5: Headlamp Switch (Buick)
Table 6: Isolation Relay
Table 7: Lamp Dimmer Module
Table 8: LH Tail/Stop Turn Lamp (Pontiac)
Table 9: LH Tail/Stop Turn Lamp (Buick, Oldsmobile)
Table 10: Panel Dimmer Switch
Table 11: Park Lamp Relay
Table 12: C1 Turn/Hazard Headlamp Switch Assembly (Pontiac/Oldsmobile)
Table 13: C2 Turn/Hazard Headlamp Switch Assembly (Pontiac/Oldsmobile)

C1 Brake Switch


Object Number: 73251  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

140

Fuse Output-Battery

B

LT BLU

20

Stop Lamp Feed

C2 Brake Switch


Object Number: 40397  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

LT GRN

275

Transaxle Range Switch Output

D

DK GRN/WHT

1135

BTSI Solenoid Feed

DRL Relay


Object Number: 535919  Size: CH

Connector Part Information

    • 12110539
    • 5-Way F Metri-Pack Series 280 FLX LK (BLK)

Pin

Wire Color

Circuit No.

Function

30

DK BLU

593

DRL Feed

85

BRN

41

Fused Output, Ignition

86

LT GRN/BLK

592

DRL Relay Control

87

ORN

640

Fused Output, Battery

87A

BLK

150

Ground

Fog Lamp Relay


Object Number: 535912  Size: CH

Connector Part Information

    • 12129716
    • 4-Way F Metri-Pack Series 280 FLX LK (MD GRY)

Pin

Wire Color

Circuit No.

Function

30

ORN

740

Fused Output, Battery

85

YEL

317

Fog Lamp Relay Control

86

DK GRN/WHT

1317

Fog Lamp Relay Feed

87

PPL

34

Fog Lamp Feed

Headlamp Switch (Buick)


Object Number: 62432  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

--

--

Not used

B

YEL

10

Head Lamp Switch Output

C

ORN

640

Fuse Output-Battery

D

BRN

9

Park Lamp Feed

E

ORN

240

Fuse Output-Battery

Isolation Relay


Object Number: 535919  Size: CH

Connector Part Information

    • 12110539
    • 5-Way F Metri-Pack Series 280 FLX LK (BLK)

Pin

Wire Color

Circuit No.

Function

30

DK GRN/ WHT

1317

Fog Lamp Relay Output Coil

85

BRN

41

Fuse Output-Ignition 3

86

LT GRN/ BLK

592

Daytime Running Lamp Relay Output-Coil

87

BLK

150

Ground

87A

LT GRN

11

High Beam Headlamp Feed

Lamp Dimmer Module


Object Number: 38618  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

--

--

Not used

B

DK GRN

44

Instrument Panel Lamps Dimmer Switch Output

C

GRY

8

Instrument Panel Lamp Feed

D

YEL

32

Fuse Output-Instrument Panel Lamps

LH Tail/Stop Turn Lamp (Pontiac)


Object Number: 62456  Size: CH

Connector Part Information

    • 12064752
    • 6-Way F Metri-Pack Series 280 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

9

Park Lamp Feed

B

YEL

18

Stop, Turn Lamp Feed-Left Rear

C

--

--

Not used

D

BRN

9

Park Lamp Feed

E

YEL

18

Stop, Turn Lamp Feed-Left Rear

F

BLK

150

Ground

LH Tail/Stop Turn Lamp (Buick, Oldsmobile)


Object Number: 362752  Size: CH

Connector Part Information

    • 12092254
    • 6-Way Metri-Pack Series 280 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

9

Park Lamp Feed

B

YEL

18

Stop, Turn Lamp Feed-Left Rear

C

--

--

Not used

D

BRN

9

Park Lamp Feed

E

LT BLU

20

Stop Lamp Feed

F

BLK

150

Ground

Panel Dimmer Switch


Object Number: 287975  Size: CH

Connector Part Information

    • 12020299
    • 5-Way F Printed Circuit Standard Edgeboard (NAT)

Pin

Wire Color

Circuit No.

Function

A

WHT

156

Courtesy Lamp Output

B

DK GRN

44

Instrument Panel Lamps Dimmer Switch Output

C

YEL

32

Fuse Output-Instrument Panel Lamps

D

BLK

150

Ground

E

GRY

8

Instrument Panel Lamp Feed

Park Lamp Relay


Object Number: 535912  Size: CH

Connector Part Information

    • 12129716
    • 4-Way F Metri-Pack Series 280 FLX LK (MD GRY)

Pin

Wire Color

Circuit No.

Function

30

ORN

240

Fused Output, Battery

85

GRY

991

Park Lamp Relay Control

86

ORN

240

Fused Output, Battery

87

BRN

9

Park Lamp Feed

C1 Turn/Hazard Headlamp Switch Assembly (Pontiac/Oldsmobile)


Object Number: 295507  Size: CH

Connector Part Information

    • 12084699
    • 6-Way F Metri-Pack Series 280 (BLU)

Pin

Wire Color

Circuit No.

Function

A

YEL

10

Headlamp Switch Output

B

GRN LT

11

High Beam Headlamp Feed

C

TAN

12

Low Beam Headlamp Feed

D

ORN

240

Fuse Output-Battery-Type III Fuse

E

ORN

640

Fuse Output-Battery-Type III Fuse

F

BRN

9

Park Lamp Feed

C2 Turn/Hazard Headlamp Switch Assembly (Pontiac/Oldsmobile)


Object Number: 295503  Size: CH

Connector Part Information

    • 12092237
    • 8-Way F Metri-Pack Series 280 (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

BLU LT

20

Stop Lamp Feed (Oldsmobile Only)

B

GRN DK

19

Stop, Turn Lamp Feed-Right Rear

C

YEL

18

Stop, Turn Lamp Feed-Left Rear

D

BRN

27

Hazard Flasher Output

E

PPL

16

Turn Signal Flasher Output

F

BLU LT

14

Turn Signal Feed-Left Front

G

BLU DK

15

Turn Signal Lamp Feed-Right Front

H

BLK

28

Horn Relay Output-Coil