GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Chevy C Cab/Chassis HD (GMT 400) 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Lighting Systems Connector End Views
Table 1: Ashtray Lamp
Table 2: Backup Lamp Switch - Manual Transmission
Table 3: Daytime Running Lamps (DRL) Control Module
Table 4: Daytime Running Lamps (DRL) Diode
Table 5: Dome Lamp
Table 6: Door Jamb Switch - Driver
Table 7: Door Jamb Switch - Front Passenger
Table 8: Footwell Courtesy Lamp (Typical)
Table 9: Headlamp - Left
Table 10: Headlamp - Right
Table 11: Headlamp - High Beam - Left (V22)
Table 12: Headlamp - Low Beam - Left (V22)
Table 13: Headlamp High Beam - Right (V22)
Table 14: Headlamp Low Beam - Right (V22)
Table 15: Headlamp Switch
Table 16: Instrument Panel (IP) Compartment Lamp
Table 17: Interior Lamp Control Module
Table 18: Marker Lamp - LF (V22)
Table 19: Marker Lamp - RF (V22)
Table 20: Park/Turn Signal Lamps - LF
Table 21: Park/Turn Signal Lamps - LF (V22)
Table 22: Park/Turn Signal Lamps - RF
Table 23: Park/Turn Signal Lamps - RF (V22)
Table 24: Marker Lamps - Roof
Table 25: Stop Lamp Switch
Table 26: Tail/Stop and Turn Signal Lamp - Left
Table 27: Tail/Stop and Turn Signal Lamp - Right
Table 28: Underhood Lamp

Ashtray Lamp


Object Number: 38556 Size: CH

Connector Part Information
    • 12124722
    • 2-Way M Micro-pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN

9

Park Lamp Supply Voltage

B

BLK

150

Ground

Backup Lamp Switch - Manual Transmission


Object Number: 516604 Size: CH

Connector Part Information
    • 12103584
    • 2-Way M Weather Pack (BRN)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Backup Lamp Supply Voltage

B

PNK

139

Ignition 1 Voltage

Daytime Running Lamps (DRL) Control Module


Object Number: 283863 Size: CH

Connector Part Information
    • 15305438
    • 8-Way P/C Edgeboard Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1134

Park Brake Switch Signal

B

LT BLU

1134

Crank Signal

C

PNK

39

Ignition 1 Voltage

D

YEL

10

Headlamp Switch Signal

E

TAN/WHT

33

Brake Warning Indicator Control

F

TAN/WHT

33

ABS/Brake Pressure Differential Signal

G

LT GRN/BLK

592

DRL Relay Control

H

BLK

150

Ground

Daytime Running Lamps (DRL) Diode


Object Number: 35456 Size: CH

Connector Part Information
    • 12064749
    • 2-Way F Metri-pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

340

Battery Positive Voltage

B

YEL

634

DRL Diode Supply Voltage

Dome Lamp


Object Number: 68722 Size: CH

Connector Part Information
    • 15528758
    • 2-Way Base (NAT)

Pin

Wire Color

Circuit No.

Function

A

ORN

40

Battery Positive Voltage

B

WHT

156

Courtesy Lamp Control

Door Jamb Switch - Driver


Object Number: 333035 Size: CH

Connector Part Information
    • 12047781
    • 3-Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

328

Door Jamb Switch Signal

B

BLK

150

Ground

C

TAN

159

Driver Door Jamb Switch Signal

Door Jamb Switch - Front Passenger


Object Number: 333035 Size: CH

Connector Part Information
    • 12047781
    • 3-Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

328

Door Jamb Switch Signal

B

BLK

150

Ground

C

--

--

Not Used

Footwell Courtesy Lamp (Typical)


Object Number: 365949 Size: CH

Connector Part Information
    • 12084388
    • 2-Way Lamp Socket Type W-2, Axial (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

40

Battery Positive Voltage

B

WHT

156

Courtesy Lamp Control

Headlamp - Left


Object Number: 306269 Size: CH

Connector Part Information
    • 12034372
    • 3-Way F Metri-pack 800 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

LT GRN

11

Headlamp High Beam Supply Voltage

C

TAN

12

Headlamp Low Beam Supply Voltage

Headlamp - Right


Object Number: 306269 Size: CH

Connector Part Information
    • 12034372
    • 3-Way F Metri-pack 800 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

250

Ground

B

LT GRN

11

Headlamp High Beam Supply Voltage

C

TAN

12

Headlamp Low Beam Supply Voltage

Headlamp - High Beam - Left (V22)


Object Number: 684797 Size: CH

Connector Part Information
    • 12059183
    • 2-Way F Metri-pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

11

Headlamp High Beam Supply Voltage

B

BLK

150

Ground

Headlamp - Low Beam - Left (V22)


Object Number: 684796 Size: CH

Connector Part Information
    • 12059181
    • 2-Way F Metri-pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

12

Headlamp Low Beam Supply Voltage

B

BLK

150

Ground

Headlamp High Beam - Right (V22)


Object Number: 684797 Size: CH

Connector Part Information
    • 12059183
    • 2-Way F Metri-pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

11

Headlamp High Beam Supply Voltage

B

BLK

250

Ground

Headlamp Low Beam - Right (V22)


Object Number: 684796 Size: CH

Connector Part Information
    • 12059181
    • 2-Way F Metri-pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

12

Headlamp Low Beam Supply Voltage

B

BLK

250

Ground

Headlamp Switch


Object Number: 68785 Size: CH

Connector Part Information
    • 12146952
    • 16-Way F Metri-pack 280 Series Flex Lock (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

GRY

157

Interior Lamp Signal

C

RED

42

Battery Positive Voltage

D

PNK

39

Ignition 1 Voltage

E

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

F

--

--

Not Used

G

YEL

10

Headlamp Switch Signal

H

ORN

240

Battery Positive Voltage

J-K

--

--

Not Used

L

PPL

328

Door Jamb Switch Signal

M

WHT

156

Courtesy Lamp Low Control

N

PPL/WHT

1382

LED Dimming Signal

P

--

--

Not Used

R

BLK

150

Ground

S

BRN

9

Park Lamp Supply Voltage

Instrument Panel (IP) Compartment Lamp


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2-Way M Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

ORN

40

Battery Positive Voltage

Interior Lamp Control Module


Object Number: 62432 Size: CH

Connector Part Information
    • 12041429
    • 5-Way F Metri-pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

39

Ignition 1 Voltage

B

GRY

157

Interior Lamp Signal

C

ORN

40

Battery Positive Voltage

D

BLK

150

Ground

E

WHT

156

Courtesy Lamp Low Control

Marker Lamp - LF (V22)


Object Number: 387545 Size: CH

Connector Part Information
    • 12077765
    • Bulb Base Type W-2 (CRM)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

Marker Lamp - RF (V22)


Object Number: 387545 Size: CH

Connector Part Information
    • 12077765
    • Bulb Base Type W-2 (CRM)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

15

Right Front Turn Signal Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

Park/Turn Signal Lamps - LF


Object Number: 306271 Size: CH

Connector Part Information
    • 12089345
    • Lamp Socket Type C2, Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

150

Ground

Park/Turn Signal Lamps - LF (V22)


Object Number: 306271 Size: CH

Connector Part Information
    • 12089348
    • Lamp Socket Type C2, Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

150

Ground

Park/Turn Signal Lamps - RF


Object Number: 306271 Size: CH

Connector Part Information
    • 12089345
    • Lamp Socket Type C2, Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

15

Right Front Turn Signal Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

250

Ground

Park/Turn Signal Lamps - RF (V22)


Object Number: 306271 Size: CH

Connector Part Information
    • 12089348
    • Lamp Socket Type C2, Right Angle (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

15

Right Front Turn Signal Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

G

BLK

250

Ground

Marker Lamps - Roof


Object Number: 410092 Size: CH

Connector Part Information
    • 06294702
    • Bulb Base Type W-2 (NAT)

Pin

Wire Color

Circuit No.

Function

A

WHT

9

Park Lamp Supply Voltage

B

BLK

150

Ground

Stop Lamp Switch


Object Number: 62424 Size: CH

Connector Part Information
    • 12040551
    • 6-Way F Metri-pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

17

Stop Lamp Switch Signal

B

ORN

140

Battery Positive Voltage

C

PPL

420

TCC Brake Switch Signal

D

BRN

441

Ignition 3 Voltage

E

LT GRN

275

Park Neutral Position Switch Park Signal

F

DK GRN/WHT

1135

A/T Shift Lock Control Solenoid Supply Voltage

Tail/Stop and Turn Signal Lamp - Left


Object Number: 236398 Size: CH

Connector Part Information
    • 12065862
    • 5-Way F Metri-pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Backup Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

C

YEL

18

Left Rear Stop/Turn Lamp Supply Voltage

D

--

--

Not Used

E

BLK

150

Ground

Tail/Stop and Turn Signal Lamp - Right


Object Number: 236398 Size: CH

Connector Part Information
    • 12065862
    • 5-Way F Metri-pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Backup Lamp Supply Voltage

B

BRN

9

Park Lamp Supply Voltage

C

YEL

19

Right Rear Stop/Turn Lamp Supply Voltage

D

--

--

Not Used

E

BLK

150

Ground

Underhood Lamp


Object Number: 333041 Size: CH

Connector Part Information
    • 12186354
    • 2-Way M Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

740

Battery Positive Voltage

B

--

--

Not Used