GM Service Manual Online
For 1990-2009 cars only
Table 1: Backup Lamp Switch
Table 2: Cigar Lighter Lamp
Table 3: Clearance Lamp (Typical)
Table 4: Clearance Lamps Switch
Table 5: Dome Lamp
Table 6: DRL Resistor
Table 7: Headlamp, High Beam (Left)
Table 8: Headlamp, Low Beam (Left)
Table 9: Headlamp, High Beam (Right)
Table 10: Headlamp, Low Beam (Right)
Table 11: Inverting Driver Module
Table 12: LIghted Mirror Jumper (C216)
Table 13: Park Brake Switch (JE5)
Table 14: Park and Turn Signal Lamp, Left
Table 15: Park and Turn Signal Lamp, Right
Table 16: Shift Select Lever
Table 17: Side Marker Lamp (Typical)
Table 18: Stoplamp Switch (Air Brakes)
Table 19: Stoplamp Switch (Hydraulic)
Table 20: Stop, Turn and Taillamp, Left
Table 21: Stop, Turn and Taillamp, Right
Table 22: Turn Signal Switch C1
Table 23: Trailer Stoplamp Switch
Table 24: Trailer Stop Relay
Table 25: Turn/Hazard Flasher Module

Backup Lamp Switch


Object Number: 236598  Size: CH

Connector Part Information

    • 12052641
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

441

Fuse Output Ignition

B

LT GRN

24

Backup Lamp Feed

Cigar Lighter Lamp


Object Number: 236009  Size: CH

Connector Part Information

    • 2 Way
    • Male Connector

Pin

Wire Color

Circuit No.

Function

A

BLK/RED

165

Interior Lamp Dimming Buss

B

BRN

163

Illumination

Clearance Lamp (Typical)


Object Number: 237091  Size: CH

Connector Part Information

2 Way Male Connector (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

8

Ground

B

BRN

9

Lamp Feed

Clearance Lamps Switch


Object Number: 237083  Size: CH

Connector Part Information

6 Way Female Connector

Pin

Wire Color

Circuit No.

Function

1

GRN

111

Fuse Output Battery

2

ORN

112

Switch Output

3

ORN

113

Switch Telltale Feed

4

BLK

114

Ground

5

BRN

115

Illumination

6

BLK/RED

116

Interior Lamps Dimming Buss

Dome Lamp


Object Number: 240168  Size: CH

Connector Part Information

3 Way Female Connector

Pin

Wire Color

Circuit No.

Function

A

RED

3

Dome Lamp

B

RED/YEL

2

Dome Lamp

C

ORN

1

Dome Lamp

DRL Resistor


Object Number: 237053  Size: CH

Connector Part Information

2 Way Female Connector

Pin

Wire Color

Circuit No.

Function

A

RED/YEL

715

Lighting Relay

B

RED/BLK

729

Daytime Running Lamp ON Relay

Headlamp, High Beam (Left)


Object Number: 236963  Size: CH

Connector Part Information

3 Way Female Connector (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED/YEL

688

Headlamp

C

BLK/WHT

692

Headlamp High Beam

Headlamp, Low Beam (Left)


Object Number: 236963  Size: CH

Connector Part Information

3 Way Female Connector (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

690

High Beam

B

RED/BLK

691

Lighting Relay Output, Low

C

RED/YEL

689

Headlamp

Headlamp, High Beam (Right)


Object Number: 236963  Size: CH

Connector Part Information

3 Way Female Connector (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BLK/WHT

698

High Beam

C

RED/WHT

694

Headlamp

Headlamp, Low Beam (Right)


Object Number: 236963  Size: CH

Connector Part Information

3 Way Female Connector (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

696

Lighting (High/Low)

B

RED/BLK

697

Low Beam

C

RED/WHT

695

Headlamp

Inverting Driver Module


Object Number: 237093  Size: CH

Connector Part Information

    • 12010488
    • 6 Way Connector Assembly P/C Edgeboard Standard (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

651

Electronic Control Module Pin-14

B

PNK

654

Fuse Output-Battery

C

WHT

653

Electronic Control Module Pin-23

D

BLK

652

Ground

E-F

--

--

Not Used

LIghted Mirror Jumper (C216)


Object Number: 236079  Size: CH

Connector Part Information

6 Way Female Connector

Pin

Wire Color

Circuit No.

Function

1

BRN

147

Illumination

2-4

--

--

Not Used

5

BRN

147

Illumination

6

--

--

Not Used

Park Brake Switch (JE5)


Object Number: 246698  Size: CH

Connector Part Information

2 Way Male Connector (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

744

Daytime Running Lamps (DRL) Off Relay Air Brake

B

BLK

746

Park Brake Switch Air Brake

Park and Turn Signal Lamp, Left


Object Number: 73223  Size: CH

Connector Part Information

    • 12162182
    • 3 Way F Metri-Pack 150.2 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

14

Turn Signal Lamp Feed, Left Front

B

BLK

150

Ground

C

BRN

9

Park Lamp Feed

Park and Turn Signal Lamp, Right


Object Number: 73223  Size: CH

Connector Part Information

    • 12162182
    • 3 Way F Metri-Pack 150.2 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

15

Turn Signal Lamp Feed, Right Front

B

BLK

150

Ground

C

BRN

9

Park Lamp Feed

Shift Select Lever


Object Number: 237082  Size: CH

Connector Part Information

6 Way Female Connector (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED/GRN

41

Illumination

B

RED

37

Fuse Output Ignition

C

BLK/WHT

40

Transmission Park/Neutral Signal

D

BLK/RED

46

Interior Lamp Dimming Buss

E

RED/BLU

38

Select Lever Back Lamp

F

BLK/RED

39

Neutral Signal

Side Marker Lamp (Typical)


Object Number: 237053  Size: CH

Connector Part Information

2 Way Female Connector (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

20

Park Lamp Feed

B

BLK

21

Ground

Stoplamp Switch (Air Brakes)


Object Number: 237053  Size: CH

Connector Part Information

    • 12065402
    • 2 Way F Metri-Pack 150 Series, Sealed (BRN)

Pin

Wire Color

Circuit No.

Function

A

ORN

103

Stoplamp Switch

B

WHT

104

Stoplamp Switch

Stoplamp Switch (Hydraulic)


Object Number: 236009  Size: CH

Connector Part Information

2 Way Female Connector

Pin

Wire Color

Circuit No.

Function

A

WHT

471

Stoplamp Switch

B

GRN/WHT

470

Stoplamp Switch

Stop, Turn and Taillamp, Left


Object Number: 222697  Size: CH

Connector Part Information

    • 12065862
    • 4 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Backup Lamp Feed

B

BRN

9

Park Lamp Feed

C

YEL

19

Backup Lamp Feed

D

--

--

Not Used-Sealed

E

BLK

150

Ground

Stop, Turn and Taillamp, Right


Object Number: 222697  Size: CH

Connector Part Information

    • 12065862
    • 4 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Backup Lamp Feed

B

BRN

9

Park Lamp Feed

C

DK GRN

18

Stop/Turn Lamp Feed, Right Rear

D

--

--

Not Used-Sealed

E

BLK

150

Ground

Turn Signal Switch C1


Object Number: 339165  Size: CH

Connector Part Information

22 Way Female Connector

Pin

Wire Color

Circuit No.

Function

1

BLK

87

Ground

2

GRN/WHT

85

Taillamps Relay (Relay Center 1)

3

RED/YEL

721

Lighting (Hi, Low) Relay (Relay Center 1)

4

RED/BLK

717

Lighting Relay (Relay Center 1)

5

BLK

86

Ground

6

BLU/BLK

132

Hazard Flasher Pin-7

7

BLU/ORN

133

Hazard Flasher Pin-8

8-9

--

--

Not Used

10

GRN/RED

170

Horn Relay (Relay Center 2)

11

BRN

83

IP Cluster C1 (Battery)

12

BLU/ORN

453

Washer Pump

13

ORN

84

Fuse Output-Battery

14

RED/BLK

152

Diode (Dome Lamp)

15-22

--

--

Not Used

Trailer Stoplamp Switch


Object Number: 237053  Size: CH

Connector Part Information

2 Way Male Connector

Pin

Wire Color

Circuit No.

Function

A

WHT

9

Trailer Stoplamps

B

ORN

8

Trailer Stoplamps

Trailer Stop Relay


Object Number: 39670  Size: CH

Connector Part Information

    • 12129716
    • 4 Way F Metri-Pack 280 Series Flex Lock Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

30

RED

142

Fuse Output Battery

85 (JE3)

GRY

847

Brake Pedal Switch Output-Extended Travel

85 (JE5)

WHT

17

Stoplamp Switch Output

86

BLK

150

Ground

87 (JE3)

RED

950

Stoplamp Feed

87 (JE5)

LT BLU

20

Stoplamp Feed

Turn/Hazard Flasher Module


Object Number: 236961  Size: CH

Connector Part Information

10 Way Female Connector

Pin

Wire Color

Circuit No.

Function

1

LT BLU

136

Front Combination Lamp (Left)

2

WHT

105

Stoplamp Switch (Air)

2

WHT

471

Stoplamp Switch (Hydraulic)

3

BLU

139

Front Combination Lamp, Right

4

GRN

135

Stop and Turn, Right

5

YEL

134

Stop and Turn, Left

6

--

--

Not Used

7

BLU/BLK

132

Turn Signal Input, Left

8

BLU/ORN

133

Turn Signal Input, Right

9

ORN

131

Fuse Output Battery

10

ORN

137

Fuse Output Battery