GM Service Manual Online
For 1990-2009 cars only
Table 1: Accessory Power Outlet
Table 2: Cigar Lighter
Table 3: Ignition Switch C1
Table 4: Ignition Switch C2
Table 5: Fuse Block Left IP, C1
Table 6: Fuse Block Left IP, C2
Table 7: Fuse Block Left IP, C3
Table 8: Fuse Block Right IP, C1
Table 9: Fuse Block Right IP, C2
Table 10: Fuse Block Right IP, C3
Table 11: Fuse Block Underhood, C1
Table 12: Fuse Block Underhood, C2
Table 13: Fuse Block Underhood, C3
Table 14: Fuse Block Underhood, C4
Table 15: Fuse Block Underhood, C5
Table 16: Fuse Block Underhood, C6
Table 17: Fuse Block Underhood, C7

Accessory Power Outlet


Object Number: 362748  Size: CH

Connector Part Information

    • 12176836
    • 3-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

40

Battery Positive Voltage

B

--

--

Not Used

C

BLK

150

Ground

Cigar Lighter


Object Number: 362748  Size: CH

Connector Part Information

    • 12176836
    • 3-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

40

Battery Positive Voltage

B

--

--

Not Used

C

BLK

150

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/BLK

242

Battery Positive Voltage

B

YEL

5

Crank Voltage

C

ORN

300

Ignition 3 Voltage

ORN

300

Ignition 3 Voltage

D

LT GRN

80

Key-In-Ignition Switch Signal

E

DK GRN

500

Ignition 0 Voltage

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

842

Battery Positive Voltage

B

PNK

3

Ignition 1 Voltage

PNK

3

Ignition 1 Voltage

C

BRN

4

Accessory Voltage

D

--

--

Not Used

E

BLK/WHT

151

Ground

F

--

--

Not Used

Fuse Block Left IP, C1


Object Number: 287970  Size: CH

Connector Part Information

    • 12193962
    • 68-Way F Metri-Pack 280 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

BRN

4

Accessory Voltage

A3

PPL

1807

Class 2 Serial Data-Primary

PPL

1807

Class 2 Serial Data-Primary

A4

PNK

3

Ignition 1 Voltage

A5-A6

--

--

Not Used

A7

DK GRN

500

Ignition 0 Voltage

A8-A11

--

--

Not Used

A12

ORN

1440

Battery Positive Voltage

ORN

1440

Battery Positive Voltage

B1

--

--

Not Used

B2

YEL

143

Accessory Voltage

B3

--

--

Not Used

B4

PNK

739

Ignition 1 Voltage

B5

--

--

Not Used

B6

YEL

1139

Ignition 1 Voltage

B7

PPL

1500

Ignition 0 Voltage

B8-B10

--

--

Not Used

B11

ORN

1440

Battery Positive Voltage

B12

--

--

Not Used

C1

--

--

Not Used

C2

YEL

143

Accessory Voltage

C3

--

--

Not Used

C4

DK GRN/

WHT

817

VSS Signal

C5

RED

442

Battery Positive Voltage

C8

--

--

Not Used

C9

PPL

1600

Ignition 0 Voltage

PPL

1600

Ignition 0 Voltage

C10

YEL

356

Driver Door Lock Relay Unlock

C11

--

--

Not Used

C12

ORN

1140

Fuse Output, Battery

D1

--

--

Not Used

D2

PPL

1807

Class 2 Serial Data (Primary)

PPL

1807

Class 2 Serial Data (Primary)

D3-D12

--

--

Not Used

E1-E2

--

--

Not Used

E3

PPL

1807

Class 2 Serial Data-Primary

PPL

1807

Class 2 Serial Data-Primary

E4

WHT

156

Courtesy Lamp Low Control

E5

--

--

Not Used

E6

DK GRN/

WHT

817

VSS Signal

E7

ORN

1540

Battery Positive Voltage

E8

--

--

Not Used

E9

ORN

1732

Courtesy Lamps Supply Voltage

ORN

1732

Courtesy Lamps Supply Voltage

E10

BLK

150

Ground

E11

--

--

Not Used

E12

RED

642

Battery Positive Voltage

F1-F2

--

--

Not Used

F3

LT BLU

1344

Trunk Release Relay Control

F4-F5

--

--

Not Used

F6

DK GRN/

WHT

817

VSS Signal

F7

--

--

Not Used

F8

WHT

194

Door Unlock Control

F9

--

--

Not Used

F10

LT BLU

195

Door Lock Control

F11-F12

--

--

Not Used

Fuse Block Left IP, C2


Object Number: 287971  Size: CH

Connector Part Information

    • 12176739
    • 30-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1-A12

--

--

Not Used

B1

GRY

120

Fuel Pump Supply Voltage

B2-B3

--

--

Not Used

B4

LT GRN/

BLK

394

Driver Door Ajar Switch Signal

B5

TAN

201

Left Front Speaker Output +

B6-B11

--

--

Not Used

B12

PPL

420

TCC Brake Switch Signal

C1

PPL

293

Rear Defogger Element Supply Voltage

C2

BRN

241

Ignition 3 Voltage

C3

WHT

156

Courtesy Lamp Low Control

WHT

156

Courtesy Lamp Low Control

C4

DK GRN/

WHT

1135

A/T Shift Lock Solenoid Supply Voltage

C5

GRY

118

Left Front Speaker

Output -

C8

--

--

Not Used

C9

ORN

1732

Courtesy Lamp Supply Voltage

ORN

1732

Courtesy Lamp Supply Voltage

C10-C11

--

--

Not Used

C12

LT BLU

1134

Park Brake Switch Signal

Fuse Block Left IP, C3


Object Number: 287972  Size: CH

Connector Part Information

    • 12176740
    • 30-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

ORN

140

Battery Positive Voltage

A2

GRY

295

Door Lock Motor Lock

GRY

295

Door Lock Motor Lock

A3

--

--

Not Used

A4

TAN

294

Door Lock Motor Unlock

A5

--

--

Not Used

A8

ORN

540

Battery Positive Voltage

A9

BLK/WHT

56

Trunk Release Motor (Control or Supply Voltage)

A10

--

--

Not Used

A11

ORN

1040

Battery Positive Voltage

ORN

1040

Battery Positive Voltage

A12

PPL

1807

Class 2 Serial Data-Primary

B1

PPL

420

TCC Brake Switch Signal

B2

GRY

295

Door Lock Motor Lock

GRY

295

Door Lock Motor Lock

B3

--

--

Not Used

B4

TAN

294

Door Lock Motor Unlock

TAN

294

Door Lock Motor Unlock

B5

--

--

Not Used

B8

TAN

201

Left Front Speaker Output +

B9

LT GRN/

BLK

394

Driver Door Ajar Switch Signal

B10

ORN

1840

Battery Positive Voltage

B11

--

--

Not Used

B12

GRY

120

Fuel Pump Supply Voltage

C1

LT BLU

1134

Park Brake Switch Signal

C2

TAN

694

Not Used

C3

ORN

1732

Courtesy Lamps Supply Voltage

C4

ORN

1732

Courtesy Lamps Supply Voltage

ORN

1732

Courtesy Lamps Supply Voltage

C5

--

--

Not Used

C8

GRY

118

Left front Speaker Output +

C9

DK GRN/

WHT

1135

A/T Shift Lock Solenoid Supply Voltage

C10

WHT

156

Courtesy Lamp Low Control

C11

BRN

241

Ignition 3 Voltage

C12

BLK

293

Rear Defogger Element Supply Voltage

Fuse Block Right IP, C1


Object Number: 287970  Size: CH

Connector Part Information

    • 12193962
    • 68-Way F Metri-Pack 280 Series (TAN)

Pin

Wire Color

Circuit No.

Function

A1

ORN

1740

Battery Positive Voltage

A2

ORN

340

Battery Positive Voltage

A3-A4

--

--

Not Used

A5

BRN

641

Ignition 3 Voltage

A6-A12

--

--

Not Used

B1

--

--

Not Used

B2

RED

1042

Battery Positive Voltage

B3

--

--

Not Used

B4

BRN

341

Fuse Output, Ignition 3

B5

--

--

Not Used

B6

BRN

441

Ignition 3 Voltage

B7-B12

--

--

Not Used

C1-C3

--

--

Not Used

C4

BRN

341

Fuse Output, Ignition 3

C5

ORN

300

Ignition 3 Voltage

C8-C12

--

--

Not Used

D1-D12

--

--

Not Used

E1

--

--

Not Used

E2

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

E3

PPL

34

Fog Lamps Supply Voltage

E4

PPL

34

Fog Lamps Supply Voltage

E5-E10

--

--

Not Used

E11

GRY

8

Instrument Panel Lamp Supply Voltage-1

GRY

8

Instrument Panel Lamp Supply Voltage-1

E12

BRN/WHT

230

Instrument Panel Lamps Dimming Control

F1

--

--

Not Used

F2

DK BLU

15

Right Front Turn Signal Lamp Supply Voltage

DK BLU

15

Right Front Turn Signal Lamp Supply Voltage

F3

DK GRN/

WHT

1317

Fog Lamp Relay Control

F4

PPL

34

Fog Lamp Supply Voltage

F5-F11

--

--

Not Used

F12

GRY

8

Instrument Panel Lamps Supply Voltage

Fuse Block Right IP, C2


Object Number: 287978  Size: CH

Connector Part Information

    • 12176741
    • 30-Way F Metri-Pack 280 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

DK BLU

15

Right Front Turn Signal Lamp Positive Voltage

DK BLU

15

Right Front Turn Signal Lamp Positive Voltage

A3

DK GRN

117

Right Front Speaker Output -

A4-A8

--

--

Not Used

A9

BRN

9

Park Lamp Supply Voltage

BRN

9

Park Lamp Supply Voltage

A10

--

--

Not Used

A11

LT BLU

20

Stop Lamp Supply Voltage

A12

GRY

8

Instrument Panel Lamp Supply Voltage-1

GRY

8

Instrument Panel Lamp Supply Voltage-1

B1

BLK/WHT

238

Driver Seat Belt Switch Signal

B2

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

LT BLU

14

Left Front Turn Signal Lamp Supply Voltage

B3

DK BLU

46

Right Rear Speaker Output +

B4

YEL

116

Left Rear Speaker Output -

B5

WHT

682

Door Lock Lock/Unlock Signal

B8

LT BLU

395

Passenger Door Ajar Switch Signal

B9

BRN

9

Park Lamp Supply Voltage

B10

--

--

Not Used

B11

LT GRN

24

Backup Lamp Supply Voltage

B12

GRY

8

Instrument Panel Lamp Supply Voltage-1

C1

LT GRN

200

Right Front Speaker Output +

C2

--

--

Not Used

C3

LT BLU

115

Right Rear Speaker Output -

C4

BRN

199

Left Rear Speaker Output +

C5

--

--

Not Used

C8

--

--

Not Used

C9

BRN

9

Park Lamps Supply Voltage

C10

BRN

9

Park Lamps Supply Voltage

BRN

9

Park Lamps Supply Voltage

C11

--

--

Not Used

C12

GRY

8

Instrument Panel Lamps Supply Voltage-1

GRY

8

Instrument Panel Lamps Supply Voltage-1

Fuse Block Right IP, C3


Object Number: 287972  Size: CH

Connector Part Information

    • 12176740
    • 30-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

GRY

8

Instrument Panel Lamp Supply Voltage

A2

LT BLU

20

Stop Lamp Supply Voltage

A3

--

--

Not Used

A4

BRN

9

Park Lamp Supply Voltage

A5

--

--

Not Used

A8

BRN

141

Ignition 3 Voltage

A9

BRN

341

Ignition 3 Voltage

A10

DK GRN

117

Right Front Speaker Output -

A11

DK BLU

15

Right Front Turn Signal Lamp Positive Voltage

A12

BRN

541

Ignition 3 Voltage

B1

GRY

8

Instrument Panel Lamp Supply Voltage

GRY

8

Instrument Panel Lamp Supply Voltage

B2

LT GRN

24

Backup Lamp Supply Voltage

B3

--

--

Not Used

B4

BRN

9

Park Lamp Supply Voltage

B5

LT BLU

395

Passenger Door Ajar Switch Signal

B8

WHT

682

Door Lock/Unlock Signal

WHT

682

Door Lock/Unlock Signal

B9

YEL

116

Left Rear Speaker Output -

B10

DK BLU

46

Right Rear Speaker Output -

B11

LT BLU/BLK

14

Left Front Turn Signal Lamp Positive Voltage

B12

BLK/WHT

238

Driver Seat Belt Switch Signal

C1

GRY

8

Instrument Panel Lamp Supply Voltage-1

GRY

8

Instrument Panel Lamp Supply Voltage-1 With CF5

C2

LT GRN

24

Backup Lamp Supply Voltage

C3

--

--

Not Used

C4

BRN

9

Park Lamp Supply Voltage

C5

LT BLU

395

Passenger Door Ajar Switch Signal

LT BLU

395

Passenger Door Ajar Switch Signal

C8

Not Used

C9

BRN

199

Left Rear Speaker Output +

C10

LT BLU

115

Right Rear Speaker Output -

C11

--

--

Not Used

C12

LT GRN

200

Right Front Speaker Output +

Fuse Block Underhood, C1


Object Number: 73172  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

DK GRN/

WHT

459

A/C Clutch Relay Control

A3

--

--

Not Used

A4

PNK

1039

Ignition 1 Voltage

A5

--

--

Not Used

A6

GRY

729

A/C Compressor Clutch Solenoid Control

A7

PNK

839

Ignition 1 Voltage

A8-A10

--

--

Not Used

A11

YEL

5

Crank Voltage

A12

LT BLU

20

Stop Lamp Supply Voltage

B1-B4

--

--

Not Used

B5

PNK

139

Ignition 1 Voltage

B6

DK GRN

59

A/C Compressor Clutch Supply Voltage

B7

--

--

Not Used

B8

BLK

450

Ground

B9-B11

--

--

Not Used

B12

BLK

450

Ground

C1-C2

--

--

Not Used

C3

DK GRN

83

Cruise Control Inhibit Signal

C4-C5

--

--

Not Used

C8

PNK

639

Ignition 1 Voltage

C9

--

--

Not Used

C10

GRY

532

Coolant Fan Motor Supply Voltage

C11

LT BLU/

BLK

396

Cruise Control Engaged Signal

C12

BLK

450

Ground

D1-D2

--

--

Not Used

D3

DK GRN

335

Low Speed Cooling Fan Relay Control

D4

--

--

Not Used

D5

PNK

239

Ignition 1 Voltage

D8

PNK

639

Ignition 1 Voltage

D9

BRN

241

Ignition 3 Voltage

D10

BLK

450

Ground

D11

DK BLU

473

High Speed Cooling Fan Relay Control

D12

--

--

Not Used

E1

ORN

840

Battery Positive Voltage

E2

--

--

Not Used

E3

PPL

420

TCC Brake Switch Signal

E4-E5

--

--

Not Used

E6

ORN

480

Powertrain Control Module Positive Voltage

E7

--

--

Not Used

E8

DK GRN/

WHT

465

Fuel Pump Relay Control -Primary

E9

BRN

241

Ignition 3 Voltage

E10-E12

--

--

Not Used

F1-F2

--

--

Not Used

F3

LT BLU

409

Cooling Fan Motor Supply Voltage

F4

--

--

Not Used

F5

PNK

539

Ignition 1 Voltage

F6-F8

--

--

Not Used

F9

BRN

241

Ignition 3 Voltage

F10

--

--

Not Used

F11

WHT

504

Cooling Fan Motor Ground

F12

--

--

Not Used

Fuse Block Underhood, C2


Object Number: 73167  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

BRN

341

Ignition 3 Voltage

A2-A3

--

--

Not Used

A4

ORN

740

Battery Positive Voltage

A5-A9

--

--

Not Used

A10

DK BLU

15

Right Front Turn Signal Lamp Positive Voltage

A11-A12

--

--

Not Used

B1-B4

--

--

Not Used

B5

BRN

9

Park Lamp Supply Voltage

B6-B9

--

--

Not Used

B10

DK BLU

15

Right Front Turn Signal Lamp Positive Voltage

B11

LT BLU

14

Left Front Turn Signal Lamp Positive Voltage

B12

LT BLU

20

Stop Lamp Supply Voltage

C1-C3

--

--

Not Used

C4

ORN

740

Battery Positive Voltage

C5

BRN

9

Park Lamp Supply Voltage

C8-C9

--

--

Not Used

C10

LT BLU

14

Left Front Turn Signal Lamp Positive Voltage

C11

--

--

Not Used

C12

DK GRN

29

Horn Control

D1-D4

--

--

Not Used

D5

BRN

9

Park Lamp Supply Voltage

D8-D10

--

--

Not Used

D11

GRY

589

DRL Resistor Supply Voltage

D12

--

--

Not Used

E1-E3

--

--

Not Used

E4

DK GRN

83

Cruise Control Inhibit Signal

E5

BRN

9

Park Lamp Supply Voltage

E6

PNK

1200

Headlamp Output-High Beam

E7

--

--

Not Used

E8

ORN

640

Battery Positive Voltage

E9

LT BLU/

BLK

396

Cruise Control Engaged Signal

E10-E11

--

--

Not Used

E12

DK BLU

1201

Headlamp Output-Low Beam

F1-F3

--

--

Not Used

F4

PPL

420

TCC Brake Switch Signal

F5

--

--

Not Used

F6

PNK

1200

Headlamp Outpu--(High Beam

F7

--

--

Not Used

F8

ORN

640

Battery Positive Voltage

F9-F11

--

--

Not Used

F12

DK BLU

1201

Headlamp Output-Low Beam

Fuse Block Underhood, C3


Object Number: 73168  Size: CH

Connector Part Information

    • 15328717
    • 68-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

ORN

40

Battery Positive Voltage

ORN

40

Battery Positive Voltage

A2-A3

--

--

Not Used

A4

PPL

420

TCC Brake Switch Signal

A5

--

--

Not Used

A6

ORN

300

Ignition 3 Voltage

A7

BRN

241

Ignition 3 Voltage

A8-A9

--

--

Not Used

A10

BLK

150

Ground

A11

BRN

41

Ignition 3 Voltage

BRN

41

Ignition 3 Voltage

A12

DK BLU

1201

Headlamp Output-Low Beam

DK BLU

1201

Headlamp Output-Low Beam

B1

--

--

Not Used

B2

WHT

193

Rear Defogger Relay Control

B3

DK GRN

306

Headlamp Switch Headlamps Off Signal

B4-B6

--

--

Not Used

B7

PNK

1200

Headlamp Output-High Beam

PNK

1200

Headlamp Output-High Beam

B8

WHT

1080

Park Lamp Relay Control

B9

PPL

65

Blower Motor Supply Voltage

B10-B11

--

--

Not Used

B12

LT GRN/

BLK

592

DRL Relay Control

C1-C3

--

--

Not Used

C4

PNK

439

Ignition 1 Voltage

C5

PPL

293

Rear Defogger Element Supply Voltage

C8

DK BLU

15

Right Front Turn Signal Lamp Positive Voltage

C9

LT BLU

14

Left Front Turn Signal Lamp Positive Voltage

C10

DK BLU

101

Blower Motor Supply Voltage

C11

PNK/WHT

1970

Headlamps Low Beam Relay Control

C12

BLK

28

Horn Relay Control

D1

--

--

Not Used

D2

BRN

341

Ignition 3 Voltage

D3-D4

--

--

Not Used

D5

PNK

3

Battery Positive Voltage

D8

ORN

240

Battery Positive Voltage

D9

ORN

52

High Blower Motor Control

D10-D12

--

--

Not Used

E1-E5

--

--

Not Used

E6

GRY

120

Fuel Pump Supply Voltage

E7-F6

--

--

Not Used

F7

BRN

9

Park Lamp Supply Voltage

F8-F10

--

--

Not Used

F11

YEL

5

Crank Voltage

F12

LT BLU

20

Stop Lamp Supply Voltage

Fuse Block Underhood, C4


Object Number: 280788  Size: CH

Connector Part Information

    • 12146038
    • 2-Way F Metri-Pack 800 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

842

Battery Positive Voltage

B

RED/BLK

242

Battery Positive Voltage

Fuse Block Underhood, C5


Object Number: 280790  Size: CH

Connector Part Information

    • 12160605
    • 2-Way F Metri-Pack 800 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

1042

Battery Positive Voltage

Fuse Block Underhood, C6


Object Number: 258677  Size: CH

Connector Part Information

    • 12146037
    • 2-Way F Metri-Pack 800 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

442

Battery Positive Voltage

B

RED

642

Battery Positive Voltage

Fuse Block Underhood, C7


Object Number: 796895  Size: CH

Connector Part Information

    • 12160606
    • 2-Way F Metri-Pack 800 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

342

Battery Positive Voltage