GM Service Manual Online
For 1990-2009 cars only
Table 1: Cigar Lighter (Front/Rear)
Table 2: Fuse Block -- Rear C1
Table 3: Fuse Block -- Rear C2
Table 4: Fuse Block -- Rear C3
Table 5: Fuse Block -- Rear C4
Table 6: Fuse Block -- Rear C5 (RH Drive)
Table 7: Fuse Block -- Underhood C1
Table 8: Fuse Block -- Underhood C2
Table 9: Fuse Block -- Underhood C3
Table 10: Fuse Block -- Underhood C4
Table 11: Ignition Switch C1
Table 12: Ignition Switch C2

Cigar Lighter (Front/Rear)


Object Number: 38228  Size: CH

Connector Part Information

    • 12047699
    • 2 Way M (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

2040

Battery Positive Voltage

B

BLK

350

Ground

Fuse Block -- Rear C1


Object Number: 280787  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

ORN

1340

Battery Positive Voltage

A2

--

--

Not Used

A3

BRN/WHT

309

Right Park Lamp Supply Voltage

BRN/WHT

309

Right Park Lamp Supply Voltage (Domestic)

A4 - A5

YEL

32

Instrument Panel Lamp Fuse Supply Voltage - 1

A6

YEL

32

Instrument Panel Lamp Fuse Supply Voltage - 1

YEL

32

Instrument Panel Lamp Fuse Supply Voltage - 1

A7

YEL

32

Instrument Panel Lamp Fuse Supply Voltage - 1

A8 - A9

--

--

Not Used

A10

BRN

141

Ignition 3 Voltage

A11

ORN

300

Ignition 3 Voltage

ORN

300

Ignition 3 Voltage

A12 - B2

--

--

Not Used

B3

BRN/WHT

309

Right Park Lamp Supply Voltage

BRN/WHT

309

Right Park Lamp Supply Voltage

B4

PPL

709

Left Park Lamp Supply Voltage

PPL

709

Left Park Lamp Supply Voltage (Domestic)

B5

PNK/BLK

1615

Park Brake Relay Control

B6

LT GRN

275

Park Neutral Postition Switch Park Signal

B7

DK GRN

646

Reverse Relay Control (Export)

B8

LT GRN

24

Backup Lamp Supply Voltage

B9

--

--

Not Used

B10

BRN

141

Ignition 3 Voltage

B11 - C1

--

--

Not Used

C2

YEL

1139

Ignition 1 Voltage

C3 - C4

--

--

Not Used

C5

ORN

1640

Battery Positive Voltage

C8

LT GRN

24

Backup Lamp Supply Voltage

LT GRN

24

Backup Lamp Supply Voltage (w/UD7)

C9

ORN

540

Battery Positive Voltage

ORN

540

Battery Positive Voltage

C10

--

--

Not Used

C11

BRN

41

Ignition 3 Voltage

C12

BRN

241

Ignition 3 Voltage

D1

--

--

Not Used

D2

BLK

750

Ground

D3

--

--

Not Used

D4

DK GRN

1483

Controlled Power Output

DK GRN

1483

Controlled Power Output

D5 - D8

--

--

Not Used

D9

PNK

70

RAP Relay Switch Supply Voltage

D10

DK GRN

1399

RAP Relay Coil Supply Voltage

D11

BRN

41

Ignition 3 Voltage

D12 - E3

--

--

Not Used

E4

PPL

709

Left Park Lamp Supply Voltage

PPL

709

Left Park Lamp Supply Voltage

E5-E8

--

--

Not Used

E9 - E10

ORN

540

Battery Positive Voltage

E11

BRN

41

Ignition 3 Voltage

BRN

41

Ignition 3 Voltage

E12

ORN

3740

Battery Positive Voltage

F1

DK GRN/

WHT

465

Fuel Pump Relay Control

F2

GRY

120

Fuel Pump Supply Voltage

F3

WHT

1080

Park Lamp Relay Control

F4

--

--

Not Used

F5

ORN

840

Battery Positive Voltage

ORN

840

Battery Positive Voltage

F6-F10

--

--

Not Used

F11

BRN

41

Ignition 3 Voltage

F12

ORN

3740

Battery Positive Voltage

Fuse Block -- Rear C2


Object Number: 280786  Size: CH

Connector Part Information

    • 15303514
    • 68 Way F Metri-Pack 280 Series (BRN or GRY)

Pin

Wire Color

Circuit No.

Function

A1

BLK

1628

Park Brake Relay A Supply Voltage

A2 - A5

--

--

Not Used

A6

DK BLU

75

RAP Relay Switch Supply Voltage

A7 - A8

--

--

Not Used

A9

BLK/WHT

56

Trunk Release Motor Supply Voltage

A10

BRN

253

Trunk Release Relay Control

BRN

253

Trunk Release Relay Control

A11

--

--

Not Used

A12

DK BLU

1393

Courtesy Lamps Supply Voltage

B1

PNK

1607

Park Brake Relay Coil 2 Control

B2

--

--

Not Used

B3

LT GRN/ BLK

1605

Park Brake Relay Coil 1 Control

B4

LT GRN

1627

Park Brake Relay B+ Supply Voltage

B5

ORN

2240

Battery Positive Voltage

ORN

2240

Battery Positive Voltage

B6- B11

--

--

Not Used

B12

GRY

157

Courtesy Lamp Control

GRY

157

Courtesy Lamp Control

C1-C3

--

--

Not Used

C4

ORN

2440

Battery Positive Voltage

C5

ORN

2240

Battery Positive Voltage (Domestic)

C8

--

--

Not Used

C9

LT BLU

1344

Trunk Release Relay Control

C10- D8

--

--

Not Used

D9

PNK

79

Fuel Door Release Solenoid Supply Voltage

D10 - D11

--

--

Not Used

D12

BLK

903

Ignitioin Coil Supply Voltage (SLS)

E1

ORN

2840

Battery Positive Voltage

E2

PNK

3

Ignition 1 Voltage

E3- E10

--

--

Not Used

E11

GRY

1599

Courtesy Lamp Relay Control

E12

DK BLU/

WHT

149

Courtesy Lamp Supply Voltage

DK BLU/

WHT

149

Courtesy Lamp Supply Voltage

F1-F2

--

--

Not Used

F3

PNK

1239

Ignition 1 Voltage

F4

ORN

3240

Battery Positive Voltage (w/UY4)

ORN

3240

Battery Positive Voltage (w/UY4)

F5-F8

--

--

Not Used

F9

WHT

93

Fuel Door Release Relay Control

F10-F12

--

--

Not Used

Fuse Block -- Rear C3


Object Number: 280784  Size: CH

Connector Part Information

    • 15303513
    • 68 Way F Metri-Pack 280 Series, Flexlocked T2 (BLK)

Pin

Wire Color

Circuit No.

Function

A1- A6

--

--

Not Used

A7

ORN

740

Battery Positive Voltage

A8

DK BLU

1333

Damper Drive Relay (STS)

A9

LT BLU /WHT

1112

Damping Relay Coil Control (STS)

A10- A12

--

--

Not Used

B1

ORN

2940

Battery Positive Voltage

B2

--

--

Not Used

B3

PNK

1039

Ignition 1 Voltage

PNK

1039

Ignition 1 Voltage

B4- B9

--

--

Not Used

B10

RED

1342

Battery Positive Voltage

B11

--

--

Not Used

B12

ORN

3340

Battery Positive Voltage

ORN

3340

Battery Positive Voltage

C1

--

--

Not Used

C2

ORN

1040

Battery Positive Voltage

C3

PNK

1039

Ignition 1 Voltage

PNK

1039

Ignition 1 Voltage

C4

WHT

193

Rear Defog Relay Control

C5

PPL

293

Rear Defog Element Supply Voltage

C8- C9

--

--

Not Used

C10

YEL

321

Automatic Level Control Relay Coil Supply Voltage

C11

DK GRN

322

Automatic Level Control Compressor Motor Control

C12

--

--

Not Used

D1

ORN

2640

Battery Positive Voltage

D2

ORN

1040

Battery Positive Voltage

D3

PNK

1039

Ignition 1 Voltage (w/UD7)

PNK

1039

Ignition 1 Voltage (Export)

D4- D8

--

--

Not Used

D9

ORN

2340

Battery Positive Voltage

D10

BLK

750

Ground

D11

--

--

Not Used

D12

ORN

2740

Battery Positive Voltage

E1

--

--

Not Used

E2

ORN

1040

Battery Positive Voltage

E3

PNK

1039

Ignition 1 Voltage

PNK

1039

Ignition 1 Voltage

E4- E6

--

--

Not Used

E7

YEL

1172

Auxiliary Blower Motor Supply Voltage

E8

TAN

1592

Auxiliary Blower Motor Relay Coil Supply Voltage

E9- E12

--

--

Not Used

F1

ORN

640

Battery Positive Voltage

F2

ORN

1040

Battery Positive Voltage

F3

--

--

Not Used

F4

ORN

3140

Battery Positive Voltage (Export)

F5

--

--

Not Used

F6

BLK

755

RAP Ralay Coil Control

F7- F8

--

--

Not Used

F9

ORN

2540

Battery Positive Voltage

F10

GRY/BLK

690

Courtesy Lamp Low Control

F11

DK BLU/WHT

1495

Courtesy Lamps On Signal

F12

ORN

1740

Battery Positive Voltage

Fuse Block -- Rear C4


Object Number: 280790  Size: CH

Connector Part Information

    • 12160605
    • 2 Way F Maxi Fuse (GRN)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

1242

Battery Positive Voltage

Fuse Block -- Rear C5 (RH Drive)


Object Number: 258677  Size: CH

Connector Part Information

    • 12146037
    • 2 Way (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

642

Battery Positive Voltage

Fuse Block -- Underhood C1


Object Number: 280787  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

ORN

57

Left Cornering Lamp Supply Voltage (Japan, Taiwan, Domestic)

A2

--

--

Not Used

A3

PNK/BLK

109

Hood Ajar Switch Signal (Export)

A4

BRN/WHT

309

Right Park Lamp Supply Voltage (Domestic/Europe)

A5

BLK

1050

Ground

A6

--

--

Not Used

A7

GRY

532

Cooling Fan Motor Supply Voltage

A8

BLK

58

Right Cornering Lamp Supply Voltage (Japan, Taiwan, Domestic)

A9

PNK

1200

Headlamp High Beam Signal (Domestic)

A10-A11

--

--

Not Used

A12

DK GRN

29

Horn Control (F Note)

B1-B3

--

--

Not Used

B4

PPL

1472

Left Park Lamp Supply Voltage (Export)

B5

--

--

Not Used

B6

LT BLU

14

Left Turn Signal Lamps Supply Voltage

LT BLU

14

Left Turn Signal Lamps Supply Voltage (Japan/Europe)

B7

PPL

709

Left Park Lamp Supply Voltage (Domestic/Europe)

B8

--

--

Not Used

B9

DK BLU

15

Right Turn Signal Lamps Supply Voltage

DK BLU

15

Right Turn Signal Lamps Supply Voltage (Japan/Europe)

B10-B11

--

--

Not Used

B12

RED

29

Horn Control (A Note)

C1-C3

--

--

Not Used

C4

RED

342

Battery Positive Voltage (Export)

C5

TAN

312

Right Headlamp Low Beam Supply Voltage

TAN

312

Right Headlamp Low Beam Supply Voltage (Europe)

C8

BLK

250

Ground

C9

--

--

Not Used

C10 - C11

PPL

34

Fog Lamps Supply Voltage (non-Domestic SLS)

C12-D8

--

--

Not Used

D9

BRN/WHT

1473

Right Park Lamp Supply Voltage (Export)

D10

WHT

504

Cooling Fan Low Reference

D11-E4

--

--

Not Used

E5

YEL

712

Left Headlamp Low Beam Supply Voltage

E6-E9

--

--

Not Used

E10

LT BLU

409

Cooling Fan Motor Supply Voltage

E11-F5

--

--

Not Used

F6

LT GRN/BLK

311

Right Headlamp High Beam Supply Voltage

F7

DK GRN/

WHT

711

Left Headlamp High Beam Supply Voltage

F8-F10

--

--

Not Used

F11

BLK

250

Ground

F12

--

--

Not Used

Fuse Block -- Underhood C2


Object Number: 280786  Size: CH

Connector Part Information

    • 15303514
    • 68 Way F Metri-Pack 280 Series (BRN or GRY)

Pin

Wire Color

Circuit No.

Function

A1-A3

--

--

Not Used

A4

PNK/BLK

109

Hood Ajar Switch Signal (Export)

A5-A10

--

--

Not Used

A11

BLK

450

Ground

A12-B3

--

--

Not Used

B4

PPL

1472

Left Park Lamp Supply Voltage (Export)

B5

BRN/WHT

309

Right Park Lamp Supply Voltage

B6

ORN

240

Battery Positive Voltage

B7-B9

--

--

Not Used

B10

LT GRN/BLK

592

DRL Relay Control (Domestic)

B11

--

--

Not Used

B12

ORN

2040

Battery Positive Voltage

ORN

2040

Battery Positive Voltage

C1

ORN

57

Left Cornering Lamp Supply Voltage

C2

BLK/WHT

1969

Headlamp High Beam Relay Control

BLK/WHT

1969

Headlamp High Beam Relay Control

C3

--

--

Not Used

C4

YEL

43

Accessory Voltage

C5

--

--

Not Used

C8

PNK

639

Ignition 1 Voltage

C9-C10

--

--

Not Used

C11

DK GRN/

WHT

1317

Fog Lamp Relay Control (non-Domestic SLS)

C12

--

--

Not Used

D1

DK GRN

1483

Headlamp Control Power Output

D2

BRN

4

Accessory Voltage

D3

--

--

Not Used

D4

PNK/WHT

1970

Headlamp Low Beam Relay Control

PNK/WHT

1970

Headlamp Low Beam Relay Control

D5

ORN

440

Battery Positive Voltage

D8-D9

--

--

Not Used

D10

BLK

28

Horn Relay Control

BLK

28

Horn Relay Control

D11

--

--

Not Used

D12

PNK

70

RAP Relay Switch Supply Voltage

E1

ORN

3640

Battery Positive Voltage

E2-E5

--

--

Not Used

E6

LT BLU

14

Left Turn Signal Lamps Supply Voltage

E7

PPL

709

Left Park Lamp Supply Voltage

E8-E9

--

--

Not Used

E10

PNK

3

Ignition 1 Voltage

E11

--

--

Not Used

E12

ORN

3540

Battery Positive Voltage

F1

--

--

Not Used

F2

YEL

43

Accessory Voltage

F3

YEL

143

Accessory Voltage

F4

--

--

Not Used

F5

BLK

1050

Ground

F6-F7

--

--

Not Used

F8

BLK

58

Right Cornering Lamp Supply Voltage

F9

DK BLU

15

Right Turn Signal Lamps Supply Voltage

DK BLU

15

Right Turn Signal Lamps Supply Voltage

F10

ORN/WHT

1473

Right Park Lamp Supply Voltage (Export)

F11-F12

--

--

Not Used

Fuse Block -- Underhood C3


Object Number: 280784  Size: CH

Connector Part Information

    • 15303513
    • 68 Way F Metri-Pack 280 Series, Flex Locked T2 (BLK)

Pin

Wire Color

Circuit No.

Function

A1-A3

--

--

Not Used

A4

PNK

139

Ignition 1 Voltage (NC1/NF7)

A5

--

--

Not Used

A6

PNK

239

Ignition 1 Voltage

A7

--

--

Not Used

A8

PNK

339

Ignition 1 Voltage

A9-A10

--

--

Not Used

A11

DK GRN/

WHT

459

A/C Compressor Clutch Relay Control

A12-B2

--

--

Not Used

B3 - B4

PNK

139

Ignition 1 Voltage

B5 - B6

PNK

239

Ignition 1 Voltage

B7

PNK

139

Ignition 1 Voltage (NC1/NF7)

B8

DK GRN

998

5 Volt Reference

B9

PNK

239

Ignition 1 Voltage

B10

DK BLU

473

High Speed Cooling Fan Relay Control

B11-C1

--

--

Not Used

C2

YEL

447

Starter Relay Coil Control

C3

PPL

6

Starter Solenoid Crank Voltage

C4

PNK

139

Ignition 1 Voltage (RH Drive)

C5

--

--

Not Used

C8

PNK

839

Ignition 1 Voltage

C9

PNK

539

Ignition 1 Voltage

C10

--

--

Not Used

C11

DK GRN

59

A/C Compressor Clutch Supply Voltage

C12 - D3

--

--

Not Used

D4

PNK

339

Ignition 1 Voltage

D5

ORN

240

Battery Positive Voltage

D8

PNK

839

Ignition 1 Voltage

D9

PNK

539

Ignition 1 Voltage

D10-E3

--

--

Not Used

E4

PNK

339

Ignition 1 Voltage

E5

ORN

240

Battery Positive Voltage

E6- E7

PNK

739

Ignition 1 Voltage

E8

--

--

Not Used

E9

PNK

906

Battery Positive Voltage (RH Drive)

E10-F3

--

--

Not Used

F4

PNK

339

Ignition 1 Voltage

F5-F7

--

--

Not Used

F8

DK GRN

335

Low Speed Cooling Fan Relay Control

F9

PNK

39

Ignition 1 Voltage

F10-F12

--

--

Not Used

Fuse Block -- Underhood C4


Object Number: 280790  Size: CH

Connector Part Information

    • 12160605
    • 2 Way F Maxifuse (GRN)

Pin

Wire Color

Circuit No.

Function

A

RED

742

Battery Positive Voltage (NC1/NF7)

B

RED

442

Battery Positive Voltage

Ignition Switch C1


Object Number: 258182  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

540

Battery Positive Voltage

B

PNK

3

Ignition 1 Voltage

C

BRN

4

Accessory Voltage

D

--

--

Not Used

E

BLK/WHT

451

Ground

F

--

--

Not Used

Ignition Switch C2


Object Number: 258183  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

540

Battery Positive Voltage

B

YEL

5

Crank Voltage

C

ORN

300

Ignition 3 Voltage

D

LT GRN

80

Key In Ignition Switch Signal

E

WHT

1390

Off/Run/Crank Voltage

F

--

--

Not Used