GM Service Manual Online
For 1990-2009 cars only

Accessory Power Receptacle


Object Number: 38228  Size: CH

Connector Part Information

    • 12047699
    • 1-Way M Sleeve and 1 Cigar Lighter Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

2540

Accessory Power Feed

B

BLK

1450

Ground

Ignition Switch C1


Object Number: 258183  Size: CH

Connector Part Information

    • 12110075
    • 6-Way F Metri-Pack Mixed Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

RED

142

Fused Battery Feed

B

YEL

5

Ignition Switch Output-Ignition 0

C

ORN

300

Ignition Switch Output-Ignition 3

D

LT GRN

80

Key Reminder Switch Signal

E

DK GRN

500

Ignition Switch Output - ACCY, RUN, and START

F

--

--

Not Used

Ignition Switch C2


Object Number: 258182  Size: CH

Connector Part Information

    • 12162229
    • 6-Way F Metri-Pack Mixed Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

42

Fused Battery Feed

B

PNK

3

Ignition Switch Output-Ignition 1

C

BRN

4

Ignition Switch Output-Accessory

D

--

--

Not Used

E

BLK

1550

Ground

F

--

--

Not Used

Power Drop Connector


Object Number: 316903  Size: CH

Connector Part Information

    • 12129490
    • 3-Way M Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

2540

Battery Feed

B

YEL

643

Power Drop Fuse Output - Accessory

C

BLK

1450

Ground

Underhood Accessory Wiring Junction Block C1


Object Number: 280784  Size: CH

Connector Part Information

    • 15303513
    •  68-Way F Metri-Pack 280 Series Flexlock (Black)

Pin

Wire Color

Circuit No.

Function

A1

BLK/WHT

451

PCM and Sensor Ground

A2

WHT

504

Engine Coolant Fan #1 Feed

A3

DK GRN

335

Coolant Fan Relay Output - Coil

A4

PNK

339

Fused Ignition 1 Feed (RPO LX5 Only)

A5

PNK

339

Fused Ignition 1 Feed (RPO L36 Only)

A6

--

--

Not Used

A7

BLK/WHT

451

PCM and Sensor Ground (RPO L36 Only)

A8

ORN

2740

Fused Battery Feed

A9

PNK

839

Fused Ignition 1 Feed

A10

GRY

532

Engine Coolant Fan #1 Return

A11

DK BLU

473

Coolant Fan #2 Relay Control

A12

ORN/BLK

434

Park/Neutral Input

B1

BLK/WHT

451

PCM and Sensor Ground

B2

PNK

439

Fused Ignition 1 Feed

B3

BLK/WHT

451

PCM and Sensor Ground

B4

PNK

339

Fused Ignition 1 Feed (RPO LX5 Only)

B5-B6

--

--

Not Used

B7

PNK

1039

Fused Ignition 1 Feed

B8-B9

--

--

Not Used

B10

BRN

436

Fused Ignition 1 Feed (RPO LX5 and NB7 Only)

B11

--

--

Not Used

B12

YEL/BLK

625

Transaxle Range Switched Park/Neutral Output

C1-C3

--

--

Not Used

C4

PNK

339

Fused Ignition 1 Feed (w/ RPO L36 or w/ RPO LX5 and NB7)

C5

PNK

839

Fused Ignition 1 Feed

C8

--

--

Not Used

C9

PNK

639

Fused Ignition 1 Feed

C10

--

--

Not Used

C11

BLK

1050

Ground

C12-D1

--

--

Not Used

D2

BLK/WHT

451

PCM and Sensor Ground

D3-D4

--

--

Not Used

D5

PPL

420

Stop Lamp Switch - Torque Converter Clutch (TCC) Control

D8

ORN

540

Fused Battery Feed

D9

PPL

806

Fused Ignition 0 Feed

D10

WHT

1310

Canister Vent Valve Solenoid Output

D11

--

--

Not Used

D12

WHT

85

Cruise Control Engaged Signal

E1-E2

--

--

Not Used

E3

DK GRN/ WHT

465

Fuel Pump Relay Feed (Coil)

E4-E7

--

--

Not Used

E8

PPL

1500

Fused Ignition 0 Feed

E9

PNK

239

Fused Ignition 1 Feed

E10-E12

--

--

Not Used

F1

ORN

840

Fused Battery Feed

F2-F5

--

--

Not Used

F6

LT GRN

24

Backup Lamp Feed

F7

DK GRN

59

A/C Compressor Clutch Solenoid Feed

F8

DK GRN/ WHT

459

A/C Compressor Relay Output (Coil)

F9

LT GRN

275

Transaxle Range Switch Feed - Park

F10

YEL

1737

Crank Solenoid Feed

F11

--

--

Not Used

F12

LT BLU

409

Engine Coolant Fan 2 Feed

Underhood Accessory Wiring Junction Block C2


Object Number: 73168  Size: CH

Connector Part Information

    • 15303514
    • 68-Way F Metri-Pack 280 Series Flexlock (Brown)

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

GRY

120

Fuel Pump Motor Feed

A4-A5

--

--

Not Used

A6

LT GRN

24

Backup Lamp Feed

A7

PPL

1500

Fused Ignition 0 Feed

A8

--

--

Not Used

A9

LT GRN

275

Transaxle Range Switch Feed - Park

A10

--

--

Not Used

A11

WHT

1310

Canister Vent Valve Solenoid Output

A12-B5

--

--

Not Used

B6

PPL

420

Stop Lamp Switch - Torque Converter Clutch (TCC) Control

B7-B8

--

--

Not Used

B9

LT GRN

275

Transaxle Range Switch Feed - Park

B10-C8

--

--

Not Used

C9

LT GRN

275

Transaxle Range Switch Feed - Park

C10

--

--

Not Used

C11

ORN/BLK

434

Park/Neutral Input

C12

WHT

85

Cruise Control Engaged Signal

D1

--

--

Not Used

D2

PNK

439

Fused Ignition 1 Feed

D3-D8

--

--

Not Used

D9

BLK

58

Cornering Lamp Feed - Right

D10-D11

--

--

Not Used

D12

ORN

57

Cornering Lamp Feed - Left

E1

ORN

1340

Fused Battery Feed

E2

PNK

339

Fused Ignition 1 Feed

E3-E4

--

--

Not Used

E5

BRN

9

Park Lamp Feed

E6

PNK

1200

Headlamp Output - High Beam

E7-E8

--

--

Not Used

E9

PPL

806

Fused Ignition 0 Feed

E10

--

--

Not Used

E11

RED

228

Windshield Washer Pump Feed

E12

BLK/WHT

99

Windshield Washer Fluid Level Switch Signal

F1

ORN

1340

Fused Battery Feed

F2

PNK

339

Fused Ignition 1 Feed

F3-F4

--

--

Not Used

F5

DK GRN/WHT

1317

Fog Lamp Relay Output - Coil

F6

PPL

34

Fog Lamp Feed

F7

BLK

28

Horn Relay Output - Coil

F8-F9

--

--

Not Used

F10

DK BLU

1201

Headlamp Output - Low Beam

F11

LT BLU

14

Turn Signal Lamp Feed - Left Front

F12

DK BLU

15

Turn Signal Lamp Feed - Right Front

Underhood Accessory Wiring Junction Block C3


Object Number: 73172  Size: CH

Connector Part Information

    • 15303512
    • 68-Way F Metri-Pack 280 Series Flexlock (GRY)

Pin

Wire Color

Circuit No.

Function

A1-A4

--

--

Not Used

A5

BRN

9

Park Lamp Feed

A6

PPL

34

Fog Lamp Feed (if equipped)

A7

DK GRN

29

Horn Feed

A8-A9

--

--

Not Used

A10

DK/BLU

1201

Headlamp Output - Low Beam

A11

LT BLU

14

Turn Signal Lamp Feed - Left Front

A12

DK BLU

15

Turn Signal Lamp Feed - Right Front

B1-B4

--

--

Not Used

B5

BRN/WHT

9

Park Lamp Feed

B6

PPL/WHT

34

Fog Lamp Feed (if equipped)

B7-C4

--

--

Not Used

C5

BRN

9

Park Lamp Feed

C8

PNK

1200

Headlamp Output - High Beam

C9-C10

--

--

Not Used

C11

RED

228

Windshield Washer Pump Feed

C12

BLK/WHT

99

Windshield Washer Fluid Level Switch Signal

D1-D4

--

--

Not Used

D5

BRN

9

Park Lamp Feed

D8

PNK/BLK

1200

Headlamp Output - High Beam

D9

--

--

Not Used

D10

RED

78

Secondary Air Injection (AIR) Pump Motor Feed (w/ RPO LX5 and NB7 Only)

D11

BLK

58

Cornering Lamp Feed - Right

D12

ORN

57

Cornering Lamp Feed - Left

E1

ORN

1640

Fused Battery Feed

E2

ORN

1740

Fused Battery Feed

E3-E10

--

--

Not Used

E11

DK BLU/WHT

1201

Headlamp Output - Low Beam

F1

ORN/BLK

1640

Fused Battery Feed

F2

ORN/BLK

1740

Fused Battery Feed

F3-F12

--

--

Not Used

Underhood Accessory Wiring Junction Block C4


Object Number: 280788  Size: CH

Connector Part Information

    • 12146038
    • 2-Way F MaxiFuse® (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

242

Fused Battery Feed

B

RED

142

Fused Battery Feed

Underhood Accessory Wiring Junction Block C5


Object Number: 258677  Size: CH

Connector Part Information

    • 12146037
    • 2-Way F MaxiFuse® (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

42

Fused Battery Feed

Underhood Accessory Wiring Junction Block C6


Object Number: 258627  Size: CH

Connector Part Information

    • 12160605
    • 2-Way F MaxiFuse® (GRN)

Pin

Wire Color

Circuit No.

Function

A

RED

742

Fused Battery Feed

B

RED

642

Fused Battery Feed