GM Service Manual Online
For 1990-2009 cars only
Table 1: Accessory Power Outlet - Rear
Table 2: Accessory Power Outlet - Right/Left
Table 3: Cigar Lighter
Table 4: Fuse Block - I/P
Table 5: Fuse Block - Underhood, C1
Table 6: Fuse Block - Underhood, C2
Table 7: Fuse Block - Underhood, C3
Table 8: Fuse Block - Underhood, C4
Table 9: Fuse Block - Underhood, C5
Table 10: Fuse Block - Underhood, C6
Table 11: Relay Block - Body
Table 12: Ignition Switch, C1
Table 13: Ignition Switch, C2

Accessory Power Outlet - Rear


Object Number: 320518  Size: CH

Connector Part Information

    • 12176446
    • 3-Way F Metri-Pack 280 Series, Flex Lock (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1040

Battery Positive Voltage

B

--

--

Not Used

C

BLK

1450

Ground

Accessory Power Outlet - Right/Left


Object Number: 258167  Size: CH

Connector Part Information

    • 12033934
    • 2-Way F S6 Series Lock Type (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

1040

Battery Positive Voltage

B

BLK

1050

Ground

Cigar Lighter


Object Number: 362748  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

ORN

640

Battery Positive Voltage

B

--

--

Not Used

C

BLK

1850

Ground

Fuse Block - I/P


Object Number: 793584  Size: CH

Connector Part Information

    • 12110746
    • Fuse Block Assembly Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A2-B6

--

--

Not Used

B8

RED

642

Battery Positive Voltage

C1

ORN

340

Battery Positive Voltage

C3

ORN

1040

Battery Positive Voltage

C5

ORN

140

Battery Positive Voltage

C7-D6

--

--

Not Used

D8

RED

642

Battery Positive Voltage

E1

--

--

Not Used

E3

ORN

1740

Battery Positive Voltage

E5

ORN

40

Battery Positive Voltage

E7

ORN

640

Battery Positive Voltage

ORN

640

Battery Positive Voltage

F2-F6

--

--

Not Used

F8

ORN

300

Ignition 3 Voltage

G1

BRN

341

Ignition 3 Voltage

BRN

341

Ignition 3 Voltage

G3

BRN

241

Ignition 3 Voltage

BRN

241

Ignition 3 Voltage

G5

BRN

441

Ignition 3 Voltage

G7

BRN

41

Ignition 3 Voltage

H2-H6

--

--

Not Used

H8

PNK

3

Ignition 1 Voltage

J1

--

--

Not Used

J3

YEL

1139

Ignition 1 Voltage

J5

PNK

139

Ignition 1 Voltage

J7

PNK

39

Ignition 1 Voltage

PNK

39

Ignition 1 Voltage

K2

WHT

1390

Off/Run/Crank Voltage

K4

BRN

4

Accessory Voltage

K6-K8

--

--

Not Used

L1

PNK

1020

Off/Run/Crank Voltage

L3

YEL

143

Accessory Voltage

L5

YEL

43

Accessory Voltage

L7

--

--

Not Used

M2

--

--

Not Used

M4

LT BLU

74

Park Lamp Switch Signal

LT BLU

74

Park Lamp Switch Signal

M6

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

M8

DK BLU

75

RAP Relay Switch Supply Voltage

N1

--

--

Not Used

N3

BRN

2409

Interior Park Lamps Supply Voltage

N5

GRY

1220

Instrument Panel Lamp Fuse Supply Voltage - 2

N7

DK GRN

1301

RAP Fuse Supply Voltage

DK GRN

1301

RAP Fuse Supply Voltage

Fuse Block - Underhood, C1


Object Number: 365994  Size: CH

Connector Part Information

    • 12193905
    • 68-Way F Metri-Pack 280 Series, Flex Lock (GRY)

Pin

Wire Color

Circuit No.

Function

A1

ORN

2240

Battery Positive Voltage

A2

ORN

1140

Battery Positive Voltage

A3

--

--

Not Used

A4

LT BLU

74

Park Lamp Switch Signal

A5

ORN

840

Battery Positive Voltage

A6

--

--

Not Used

A7

BLK

350

Ground

A8

BRN

2509

Left Rear Park Lamps Supply Voltage

A9

PNK

3

Ignition 1 Voltage

A10

--

--

Not Used

A11

PPL/WHT

1035

Starter Relay Coil Supply Voltage (Manual Trans Only)

A12

--

--

Not Used

B1

LT GRN

1324

Backup Lamps Supply Voltage

B2

BLK

28

Horn Relay Control

BLK

28

Horn Relay Control

B3

YEL

1977

Rear Fog Lamps Relay Control

B4

PPL

34

Front Fog Lamps Supply Voltage

B5

LT BLU

1344

Trunk Release Relay Control

B6

BLK/WHT

56

Trunk Release Motor Supply Voltage

B7

BLK

350

Ground

B8

PPL

1093

Rear Defog Element Supply Voltage

B9-B10

--

--

Not Used

B11

RED

242

Battery Positive Voltage

B12

ORN

240

Battery Positive Voltage

C1

LT BLU

/WHT

1414

Left Front Turn Signal Switch Signal

C2

DK BLU

/WHT

1415

Right Front Turn Signal Switch Signal

C3

PPL

806

Crank Voltage (Manual Transmission Only)

C4-C9

--

--

Not Used

C10

DK BLU/WHT

1415

Right Front Turn Signal Switch Signal

C11-C12

--

--

Not Used

D1

PPL

524

Headlamp Dimmer Switch High Beam Signal

D2

RED

228

Windshield Washer Pump Control

RED

228

Windshield Washer Pump Control

D3

YEL

5

Crank Voltage

D4

ORN

1140

Battery Positive Voltage

ORN

1140

Battery Positive Voltage

D5

ORN

1640

Battery Positive Voltage

D8

--

--

Not Used

D9

PNK

639

Ignition 1 Voltage

PNK

639

Ignition 1 Voltage

D10

DK GRN

619

Right Rear Turn Signal Lamp Supply Voltage

D11

WHT

17

Stop Lamp Switch Signal

D12

ORN

540

Battery Positive Voltage

E1

ORN

1240

Battery Positive Voltage

E2

ORN

1540

Battery Positive Voltage

E3

WHT

352

Headlamp Relay Coil Supply Voltage

E4

ORN

1140

Battery Positive Voltage

E5

ORN

1640

Battery Positive Voltage

E6

--

--

Not Used

E7

BLK/WHT

451

Ground

BLK/WHT

451

Ground

E8

YEL

525

Ground

E9

BRN/WHT

2609

Right Rear Park Lamps Supply Voltage

E10

YEL

618

Left Rear Turn Signal Lamp Supply Voltage

E11-E12

--

--

Not Used

F1-F5

--

--

Not Used

F6

ORN

2267

Mirror Heating Element Supply Voltage

F7

BLK/WHT

451

Ground

BLK/WHT

451

Ground

F8

WHT

193

Rear Defog Relay Control

F9

--

--

Not Used

F10

LT BLU

/WHT

1414

Left Front Turn Signal Switch Signal

F11

LT BLU

1320

CHMSL Supply Voltage

LT BLU

1320

CHMSL Supply Voltage

F12

--

--

Not Used

Fuse Block - Underhood, C2


Object Number: 362761  Size: CH

Connector Part Information

    • 12193906
    • 68-Way F Metri-Pack 280 Series, Flex Lock (BLK)

Pin

Wire Color

Circuit No.

Function

A1-A7

--

--

Not Used

A8

ORN

440

Battery Positive Voltage

A9

PNK

239

Ignition 1 Voltage

A10

PNK

439

Ignition 1 Voltage

A11-A12

--

--

Not Used

B1-B6

--

--

Not Used

B7

DK GRN

/WHT

465

Fuel Pump Relay Control

B8

ORN

440

Battery Positive Voltage

B9

PNK

239

Ignition 1 Voltage

B10

PNK

439

Ignition 1 Voltage

PNK

439

Ignition 1 Voltage

B11

GRY

1524

Backup Lamp Supply Voltage

B12

LT GRN

275

Park Neutral Position Switch Park Signal (Auto Trans Only)

C1-C7

--

--

Not Used

C8

PNK

839

Ignition 1 Voltage

C9

--

--

Not Used

C10

PNK

439

Ignition 1 Voltage

PNK

439

Ignition 1 Voltage

C11

--

--

Not Used

C12

LT GRN

/BLK

584

A/T Shift Lock Control Switch Supply Voltage (Auto Trans Only)

D1-D2

--

--

Not Used

D3

DK GRN

/WHT

459

A/C Compressor Clutch Relay Control

D4

DK GRN

59

A/C Compressor Clutch Supply Voltage

D5-D9

--

--

Not Used

D10

PNK

439

Ignition 1 Voltage

PNK

439

Ignition 1 Voltage

D11

PPL

6

Starter Solenoid Crank Voltage

D12

BLK

350

Ground

E1

--

--

Not Used

E2

PPL

806

Crank Voltage (Auto Trans Only)

E3-E6

--

--

Not Used

E7

BLK/WHT

451

Ground

E8-E9

--

--

Not Used

E10

PNK

439

Ignition 1 Voltage

PNK

439

Ignition 1 Voltage

E11-E12

--

--

Not Used

F1-F6

--

--

Not Used

F7

BLK

350

Ground

F8

--

--

Not Used

F9

PNK

1539

Ignition 1 Voltage

F10

--

--

Not Used

F11

PPL/WHT

1035

Starter Relay Coil Supply Voltage (Auto Trans Only)

F12

--

--

Not Used

Fuse Block - Underhood, C3


Object Number: 362759  Size: CH

Connector Part Information

    • 12193916
    • 32-Way F Metri-Pack 280 Series, Flex Lock (RED)

Pin

Wire Color

Circuit No.

Function

A1-A3

--

--

Not Used

A4

LT GRN

1624

Trailer Backup Lamps Supply Voltage

A5

DK GRN

1619

Trailer Right Rear Turn/Stop Lamp Supply Voltage

A6

YEL

1618

Trailer Left Rear Turn/Stop Lamp Supply Voltage

B1-B6

--

--

Not Used

C1-C6

--

--

Not Used

D1

DK BRN

2109

Trailer Park Lamps Supply Voltage

D2-D6

--

--

Not Used

E1-E3

--

--

Not Used

E4

LT BLU

1620

Trailer CHMSL Supply Voltage

E5-E6

--

--

Not Used

F1

GRY

120

Fuel Pump Supply Voltage

F2

--

--

Not Used

F3

PNK

239

Ignition 1 Voltage

F4-F6

--

--

Not Used

Fuse Block - Underhood, C4


Object Number: 362760  Size: CH

Connector Part Information

    • 12193914
    • 32-Way F Metri-Pack 280 Series, Flex Lock (GRN)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

YEL

525

Headlamp Dimmer Switch Low Beam Signal

YEL

525

Headlamp Dimmer Switch Low Beam Signal

A3-A4

--

--

Not Used

A5

PNK

94

Windshield Washer Switch Signal

A6

DK GRN

1329

Horn Fuse Supply Voltage

DK GRN

1329

Horn Fuse Supply Voltage

B1

YEL

712

Left Headlamp Low Beam Supply Voltage

YEL

712

Left Headlamp Low Beam Supply Voltage

B2

DK BLU

198

--

B3

PNK

639

Ignition 1 Voltage (Manual Trans Only)

PNK

639

Ignition 1 Voltage (Manual Trans Only)

B4

--

--

Not Used

B5

BRN

2309

Front Park Lamps Supply Voltage

BRN

2309

Front Park Lamps Supply Voltage

B6

--

--

Not Used

C1-C6

--

--

Not Used

D1-D6

--

--

Not Used

E1-E2

--

--

Not Used

E3

PPL

524

Headlamp Dimmer Switch High Beam Signal

PPL

524

Headlamp Dimmer Switch High Beam Signal

E4

--

--

Not Used

E5

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

E6

ORN

2440

Battery Positive Voltage

F1

BLK

350

Ground (Manual Trans Only)

F2-F3

--

--

Not Used

F4

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

F5-F6

--

--

Not Used

Fuse Block - Underhood, C5


Object Number: 258677  Size: CH

Connector Part Information

    • 12146037
    • 2-Way F Maxi - Fuse (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

542

Battery Positive Voltage

B

RED

342

Battery Positive Voltage

Fuse Block - Underhood, C6


Object Number: 280788  Size: CH

Connector Part Information

    • 12146038
    • 2-Way F Maxi - Fuse (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

442

Battery Positive Voltage

B

RED

642

Battery Positive Voltage

Relay Block - Body


Object Number: 365994  Size: CH

Connector Part Information

    • 12193905
    • 68-Way F Metri-Pack 280 Series, Flex Lock (GRY)

Pin

Wire Color

Circuit No.

Function

A1-A3

--

--

Not Used

A4

ORN

40

Battery Positive Voltage

ORN

40

Battery Positive Voltage

A5

ORN

40

Battery Positive Voltage

A6

--

--

Not Used

A7

LT BLU

195

Door Lock Control

LT BLU

195

Door Lock Control

A8

--

--

Not Used

A9

LT BLU

195

Door Lock Control

LT BLU

195

Door Lock Control

A10

--

--

Not Used

A11

ORN

240

Battery Positive Voltage

A12

--

--

Not Used

B1

ORN

1440

Battery Positive Voltage

B2

--

--

Not Used

B3

DK GRN

1001

RAP Fuse Supply Voltage

B4

--

--

Not Used

B5

BLK/WHT

451

Ground

BLK/WHT

451

Ground

B6

BLK/WHT

451

Ground

B7

BLK/WHT

451

Ground

B8

--

--

Not Used

B9

GRY

295

Door Lock Actuator Lock Control

B10-B12

--

--

Not Used

C1-C2

--

--

Not Used

C3

DK GRN

1001

RAP Fuse Supply Voltage

C4

DK BLU

1393

Inadvertent Relay Control

C5

ORN

1732

Courtesy Lamps Supply Voltage

ORN

1732

Courtesy Lamps Supply Voltage

C6-C7

--

--

Not Used

C8

BLK

1050

Ground

C9

GRY

295

Door Lock Actuator Lock Control

GRY

295

Door Lock Actuator Lock Control

C10

--

--

Not Used

C11

DK GRN

/WHT

1317

Fog Lamp Relay Control

C12

PPL

2234

Front Fog Lamp Supply Voltage

D1

--

--

Not Used

D2

BRN

4

Accessory Voltage

D3

DK GRN

1001

RAP Fuse Supply Voltage

D4

WHT

156

Courtesy Lamp Low Control

D5

--

--

Not Used

D6-D7

--

--

Not Used

D8

TAN

294

Door Lock Actuator Unlock Control

TAN

294

Door Lock Actuator Unlock Control

D9-D10

--

--

Not Used

D11

BLK/WHT

56

Trunk Release Switch Signal

BLK/WHT

56

Trunk Release Switch Signal

D12

BLK/WHT

56

Trunk Release Switch Signal

E1

RED

542

Battery Positive Voltage

E2

BLK

755

RAP Relay Coil Control

E3

BRN

4

Accessory Voltage

E4

WHT

156

Courtesy Lamp Low Control

WHT

156

Courtesy Lamp Low Control

E5

ORN

1732

Courtesy Lamps Supply Voltage

ORN

1732

Courtesy Lamps Supply Voltage

E6

LT BLU

74

Park Lamp Switch Signal

E7

--

--

Not Used

E8

WHT

194

Door Unlock Control

WHT

194

Door Unlock Control

E9

--

--

Not Used

E10

TAN

694

Driver Door Lock Actuator Unlock Control

E11

LT GRN

1391

Driver Door Unlock Relay Control

E12

ORN

840

Battery Positive Voltage

F1-F2

--

--

Not Used

F3

DK BLU

75

RAP Relay Switch Supply Voltage

F4

GRY/BLK

690

Courtesy Lamp Relay Control

F5

--

--

Not Used

F6

WHT

1080

Park Lamp Relay Control

F7

ORN

240

Battery Positive Voltage

F8

WHT

194

Door Unlock Control

WHT

194

Door Unlock Control

F9

ORN

1740

Battery Positive Voltage

F10

ORN

840

Battery Positive Voltage

F11

--

--

Not Used

F12

ORN

840

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

RED

242

Battery Positive Voltage

B

BRN

4

Accessory Voltage

C

RED

342

Battery Positive Voltage

D

--

--

Not Used

E

--

--

Not Used

F

LT GRN

80

Key In Ignition Switch Signal

Ignition Switch, C2


Object Number: 295477  Size: CH

Connector Part Information

    • 12129842
    • 6-Way F Metri-Pack Mixed Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

PNK

3

Ignition 1 Voltage

B

ORN

300

Ignition 3 Voltage

C

YEL

5

Crank Voltage

D

WHT

1390

Off/Run/Crank Voltage

E

--

--

Not Used

F

BLK

1850

Ground