GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy C Silverado - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E 🢒 Lighting Systems Connector End Views
Table 1: Ambient Light Sensor
Table 2: Stoplamp Switch
Table 3: Instrument Panel Compartment Lamp
Table 4: Door Courtesy Lamps LH & RH
Table 5: Foglamps
Table 6: CHMSL/Cargo Lamp
Table 7: Reading Lamps
Table 8: Dome Lamp
Table 9: Underhood Lamp Assembly
Table 10: Roof Marker Lamps LH-RH-Center
Table 11: High Beam Lamp, LH
Table 12: High Beam Lamp, RH
Table 13: Low Beam Lamp, LH
Table 14: Low Beam Lamp, RH
Table 15: Back-Up Lamp Switch (Manual)
Table 16: Roof Beacon Relay
Table 17: Roof Beacon Switch
Table 18: Base Mini Wedge (Door Jamb Switch) LH
Table 19: Base Mini Wedge (Door Jamb Switch) RH
Table 20: C-1 Uplevel Mini Wedge (Door Jamb Switch) LH
Table 21: C-1 Uplevel Mini Wedge (Door Jamb Switch) RH
Table 22: C-3 Uplevel Mini Wedge (Door Jamb Switch) LH
Table 23: C-3 Uplevel Mini Wedge (Door Jamb Switch) RH
Table 24: Headlamp Switch
Table 25: Trailer Inline Connector
Table 26: Fog/Cargo Lamp Switch
Table 27: C-1 Rear Lamps Bussing Block
Table 28: C-2 Rear Lamps Bussing Block
Table 29: C-3 Rear Lamps Bussing Block
Table 30: C-4 Rear Lamps Bussing Block
Table 31: Camper Inline Connector

Ambient Light Sensor


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2 Way F Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

705

Reference Voltage Feed - 5 Volt Reference

B

WHT

278

Photocell Signal

Stoplamp 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

Stoplamp Switch Output

B

ORN

1540

Fused Battery Feed

C

PPL

420

Brake Pedal Switch Output - Torque Converter Clutch

D

BRN

441

Fused Ignition Feed

E

LT GRN/BLK

584

BTSI Fuse Output

F

DK GRN/WHT

1135

Brake Transmission Shift Interlock Solenoid Feed

Instrument Panel Compartment Lamp


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2 Way F Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Inadvertent Power Relay Output 12 Volt

B

BLK

2450

Ground

Door Courtesy Lamps LH & RH


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2 Way F Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Inadvertent Power Relay Output 12 Volt

B

WHT

156

Courtesy Lamp Output

Foglamps


Object Number: 35430 Size: CH

Connector Part Information
    • 12020599
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

34

Foglamp Feed

B

BLK

150

Ground

CHMSL/Cargo Lamp


Object Number: 39660 Size: CH

Connector Part Information
    • 12047785
    • 4 Way F Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Inadvertent Power Relay Output 12 Volt

B

DK BLU/WHT

149

Courtesy Lamp Feed

C

LT BLU

1620

CHMSL Fused Feed

D

BLK

1850

Ground

Reading Lamps


Object Number: 333035 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Inadvertent Power Relay Output 12 Volt

B

BLK

1850

Ground

C

--

--

Not Used

Dome Lamp


Object Number: 333035 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1732

Inadvertent Power Relay Output 12 Volt

B

WHT

156

Courtesy Lamp Output

C

--

--

Not Used

Underhood Lamp Assembly


Object Number: 35437 Size: CH

Connector Part Information
    • 12052644
    • 2 Way F Metri-Pack 150 Series (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

550

Ground

B

ORN

1732

Inadvertent Power Relay Output 12 Volt

Roof Marker Lamps LH-RH-Center


Object Number: 280768 Size: CH

Connector Part Information
    • 12052832
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

2409

Fused Exterior Park Lamps Feed

B

BLK

1050

Ground

High Beam Lamp, LH


Object Number: 35447 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1340

Fused Battery Feed

B

PPL

524

Headlamp Dimmer Switch Output-High Beam

High Beam Lamp, RH


Object Number: 35447 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1240

Fused Battery Feed

B

PPL

524

Headlamp Dimmer Switch Output-High Beam

Low Beam Lamp, LH


Object Number: 35444 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1340

Fused Battery Feed

B

YEL

525

Headlamp Dimmer Switch Output-Low Beam

Low Beam Lamp, RH


Object Number: 35444 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

ORN

1240

Fused Battery Feed

B

YEL

525

Headlamp Dimmer Switch Output-Low Beam

Back-Up Lamp Switch (Manual)


Object Number: 38552 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Fused Ignition 1 Feed

B

LT GRN

24

Back-up Lamp Feed

Roof Beacon Relay


Object Number: 281201 Size: CH

Connector Part Information
    • 12110541
    • 6 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

BLK

1150

Ground

A2

BRN

27

Roof Beacon Relay Output

B1-B2

--

--

Not Used

C1

ORN

2340

Fused Battery Feed

C2

WHT

111

Roof Beacon Switch Signal

Roof Beacon Switch


Object Number: 304345 Size: CH

Connector Part Information
    • 12177195
    • 6 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BLK

2550

Ground

C

WHT

111

Hazard Switch Signal

D

PPL/WHT

1382

LED Dimming Signal

E

GRY

8

Instrument Panel Lamp Feed

F

ORN

2240

Fused Battery Feed

Base Mini Wedge (Door Jamb Switch) LH


Object Number: 38553 Size: CH

Connector Part Information
    • 12110196
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

126

Door Lamp Switch Signal Left Front

D

BLK

1850

Ground

Base Mini Wedge (Door Jamb Switch) RH


Object Number: 38553 Size: CH

Connector Part Information
    • 12110196
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2450

Ground

D

ORN

54

Door Jamb Switch Signal Right Front

C-1 Uplevel Mini Wedge (Door Jamb Switch) LH


Object Number: 366063 Size: CH

Connector Part Information
    • 15305361
    • 4 Way F GT 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

394

Door Handle Switch Signal - LF

B

--

--

Not Used

C

TAN

126

Door Latch Switch Signal - LF

D

BLK

1850

Ground

C-1 Uplevel Mini Wedge (Door Jamb Switch) RH


Object Number: 366063 Size: CH

Connector Part Information
    • 15305361
    • 4 Way F GT 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2450

Ground

B

DK BLU/WHT

727

Door Latch Switch Signal - Secondary

C

--

--

Not Used

D

LT GRN/BLK

394

Door Handle Switch Signal - LF

C-3 Uplevel Mini Wedge (Door Jamb Switch) LH


Object Number: 35437 Size: CH

Connector Part Information
    • 12052642
    • 2 Way F Metri-Pack 150 Series (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

BLK

1850

Ground

B

LT GRN

262

Door Key Lock Cylinder Switch Signal

C-3 Uplevel Mini Wedge (Door Jamb Switch) RH


Object Number: 35437 Size: CH

Connector Part Information
    • 12052642
    • 2 Way F Metri-Pack 150 Series (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

BLK

1050

Ground

B

LT GRN

262

Door Key Lock Cylinder Switch Signal

Headlamp Switch


Object Number: 362755 Size: CH

Connector Part Information
    • 15304617
    • 10 Way F GT 150,280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

74

Park Lamp Switch Output

B

ORN

240

Fused Battery Feed

C

WHT

352

Headlamp Relay Feed - Coil

D

ORN

1140

Fused Battery Feed

E

BLK

1850

Ground

F

--

--

Not Used

G

DK BLU/WHT

1495

Courtesy Lamp Switch Outptu

H

--

--

Not Used

J

PPL

328

Interior Lamp Defeat Switch Output

K

DK GRN

44

Instrument Panel Lamps Dimmer Switch Output

Trailer Inline Connector


Object Number: 365984 Size: CH

Connector Part Information
    • 12191793
    • 7 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1624

Fused Trailer Backup Lamps Feed

B

WHT

22

Ground - Trailer

C

DK BLU

47

Trailer Feed - Auxiliary Circuit

D

DK GRN

1619

Fused Trailer Turn/Stop Lamp - Right Rear - Feed

E

RED

742

Fused Battery Feed

F

BRN

2109

Fused Trailer Park Lamp Feed

G

YEL

1618

Fused Trailer Turn/Stop Lamp - Left Rear - Feed

Fog/Cargo Lamp Switch


Object Number: 365965 Size: CH

Connector Part Information
    • 12177010
    • 8 Way F Metri-Pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A-C

--

--

Not Used

D

DK BLU/WHT

149

Courtesy Lamp Feed

E

PPL

34

Fog Lamp Indicator Feed

F

BLK

1850

Ground

G

ORN

192

Fog Lamp Switch Output

H

GRY

8

Instrument Panel Lamp Feed

C-1 Rear Lamps Bussing Block


Object Number: 374043 Size: CH

Connector Part Information
    • 15305595
    • 8 Way F GT 280 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

2114

Fused Turn Signal Lamp - LH Rear - Feed

B

LT BLU

1320

Fused Stop Lamp Feed

C

LT GRN

1324

Fused Backup Lamps Feed - (Light Duty Trailer Wiring Only)

D

BRN/WHT

2609

Fused Park Lamp - RH Rear - Feed

E

BLK

1750

Ground

F

LT GRN

1324

Fused Backup Lamps Feed

G

BRN

2509

Fused Park Lamp - LH Rear - Feed

H

DK BLU

2115

Fused Turn Signal Lamp - RH Rear - Feed

C-2 Rear Lamps Bussing Block


Object Number: 374045 Size: CH

Connector Part Information
    • 15305596
    • 7 Way F GT 280 Series (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

1750

Ground

B

BLK

1750

Ground

C

BLK

1750

Ground

D

LT BLU

1320

Fused Stop Lamp Feed

E

BRN

2509

Fused Park Lamp - LH Rear - Feed

F

LT GRN

1324

Fused Backup Lamps Feed

H

LT BLU

2114

Fused Turn Signal Lamp - LH Rear- Feed

C-3 Rear Lamps Bussing Block


Object Number: 374048 Size: CH

Connector Part Information
    • 15305599
    • 8 Way F GT 280 Series (WHT)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

2609

Fused Park Lamp - RH Rear - Feed

B-D

--

--

Not Used

E

BLK

1750

Ground

F

--

--

Not Used

G

BRN

2509

Fused Park Lamp - LH Rear - Feed

H

BLK

1750

Ground

C-4 Rear Lamps Bussing Block


Object Number: 374047 Size: CH

Connector Part Information
    • 15305597
    • 7 Way F GT 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1320

Fused Stop Lamp Feed

B

BRN/WHT

2609

Fused Park Lamp - RH Rear - Feed

C

BLK

1750

Ground

D

BLK

1750

Ground

E

LT GRN

1324

Fused Backup Lamps Feed

F

DK BLU

2115

Fused Turn Signal Lamp - RH Rear - Feed

H

BLK

1750

Ground

Camper Inline Connector


Object Number: 366087 Size: CH

Connector Part Information
    • 15317327
    • 7 Way M Metri-Pack 280, 630 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1624

Fused - Trailer Backup Lamps - Feed

B

WHT

22

Ground - Trailer

C

DK BLU

47

Trailer Feed - Auxilary Circuit

D

DK GRN

1619

Fused - Trailer Turn/Stop Lamp - RH Rear - Feed

E

RED

742

Fused Battery Feed

F

BRN

2109

Fused - Trailer Park Lamp - Feed

G

YEL

1618

Fused - Trailer Turn/Stop Lamp - LH Rear - Feed