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

Accessory Power Outlet - Left


Object Number: 258167  Size: CH

Connector Part Information

    • 12033934
    • 2-Way F 56 Series, (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

1040

Battery Positive Voltage

B

BLK

1050

Ground

Accessory Power Outlet - Right


Object Number: 258167  Size: CH

Connector Part Information

    • 12033934
    • 2-Way F 56 Series (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

1040

Battery Positive Voltage

B

BLK

1050

Ground

Accessory Power Outlet - Floor Console (Envoy Only)


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

1050

Ground

Accessory Power Outlet - Rear (Envoy Only)


Object Number: 320518  Size: CH

Connector Part Information

    • 12176446
    • 2-Way F S6 Series Lock Type (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

1040

Battery Positive Voltage

B

BLK

1350

Ground

C

--

--

Not Used

Cigar Lighter


Object Number: 38228  Size: CH

Connector Part Information

    • 12047699
    • 2-Way Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN

640

Battery Positive Voltage

B

BLK

1050

Ground

Fuse Block - I/P


Object Number: 618891  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A2-A7

--

--

Not Used

B2

--

--

Not Used

B4

RED

642

Battery Positive Voltage

B6

--

--

Not Used

B8

--

--

Not Used

C1

ORN

340

Battery Positive Voltage

C1

ORN

340

Battery Positive Voltage

C3

ORN

1040

Battery Positive Voltage

C5

ORN

1940

Battery Positive Voltage

C7

--

--

Not Used

D2

--

--

Not Used

D4

RED

642

Battery Positive Voltage

D6-D8

--

--

Not Used

E1

ORN

1340

Battery Positive Voltage (Envoy Only)

E3

ORN

1740

Battery Positive Voltage

E5

ORN

40

Battery Positive Voltage

E7

ORN

640

Battery Positive Voltage

E7

ORN

640

Battery Positive Voltage

F2

--

--

Not Used

F4

ORN

300

Ignition 3 Voltage

F6-F8

--

--

Not Used

G1

BRN

341

Ignition 3 Voltage

G1

BRN

341

Ignition 3 Voltage (w/HVAC)

G3

BRN

241

Ignition 3 Voltage

G3

BRN

241

Ignition 3 Voltage (w/E09)

G5

BRN

141

Ignition 3 Voltage (w/C42)

G7

BRN

41

Ignition 3 Voltage

G7

BRN

41

Ignition 3 Voltage

H2

ORN

300

Ignition 3 Voltage

H4

--

--

Not Used

H6

PNK

3

Ignition Switch Output - Ignition 1

H8

--

--

Not Used

J1

BRN

441

Ignition 1 Voltage

J3

YEL

1139

Ignition 1 Voltage

J3

YEL

1139

Ignition 1 Voltage

J5

PNK

139

Ignition 1 Voltage

J7

PNK

39

Ignition 1 Voltage

J7

PNK

39

Ignition 1 Voltage (w/C68)

K2

BRN

4

Accessory Voltage

K4

--

--

Not Used

K6

WHT

1390

Off/Run/Crank Voltage

K8

LT BLU

74

Park Lamp Switch Signal

K8

LT BLU

74

Park Lamp Switch Signal

L1

YEL

43

Accessory Voltage

L3

YEL

143

Accessory Voltage

L5

PNK

1020

Off/Run/Crank Voltage

L5

PNK

1020

Off/Run/Crank Voltage

L7

BRN

2409

Interior Park Lamps Supply Voltage

M2

DK BLU

75

RAP Relay Switch Supply Voltage

M4

--

--

Not Used

M6

DK GRN

44

Instrument Panel Lamps Dimmer Switch Signal

M8

--

--

Not Used

N1

DK GRN

1301

RAP Fuse Supply Voltage

N1

DK GRN

1301

RAP Fuse Supply Voltage

N3

DK GRN

801

RAP Fuse Supply Voltage (w/UK3)

N5

GRY

1220

Interior Park Lamps Fuse Supply Voltage-2

N7

BRN

1244

Instrument Panel Lamp Supply Voltage-2

Fuse Block - Underhood Connector 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/BLK

2240

Battery Positive Voltage

A2

ORN

740

Battery Positive Voltage

A3

PPL

524

Headlamp Dimmer Switch High Beam Signal (Except Envoy)

A3

PPL

524

Headlamp Dimmer Switch High Beam Signal (Except Envoy)

A4

LT BLU

74

Park Lamp Switch Signal

A5

ORN

840

Battery Positive Voltage

A6

WHT

352

Headlamp Relay Coil Supply Voltage

A7

BLK

350

Ground

A8

BRN

2509

Left Rear Park Lamps Supply Voltage (Utility)

A9

PNK

3

IIgnition 1 Voltage

A10

ORN

1840

Battery Positive Voltage

A11

PPL/WHT

1035

Starter Relay Coil Supply Voltage

A12

--

--

Not Used

B1

YEL/BLK

895

Left Rear Stop Lamp Supply Voltage (Pickup)

B2

WHT

103

Headlamp Switch Headlamps ON Signal

B2

WHT

103

Headlamp Switch Headlamps ON Signal

B3

DK GRN/WHT

1317

Fog 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

--

--

Not Used

B10

PNK

439

Ignition 1 Voltage

B11

RED

242

Battery Positive Voltage

B12

ORN

240

Battery Positive Voltage

C1

DK BLU/WHT

1415

Right Front Turn Signal Switch Signal

C2

LT BLU/WHT

1414

Left Front Turn Signal Switch Signal

C3

PPL

806

Crank Voltage

C3

PPL

806

Crank Voltage

C4

--

--

Not Used

C5

LT GRN/BLK

592

DRL Relay Control

C6-C8

--

--

Not Used

C9

--

--

Not Used (Except Envoy)

C9

ORN

3640

Battery Positive Voltage (Envoy)

C10

DK GRN/WHT

1419

Right Rear Turn Signal Switch Signal

C11-D2

--

--

Not Used

D3

YEL

5

Crank Voltage

D4

ORN

1140

Battery Positive Voltage

D5

ORN

1640

Battery Positive Voltage

D6-D8

--

--

Not Used

D9

PNK

639

Ignition 1 Voltage (Envoy Only)

D10

DK GRN

619

Right Rear Turn Signal Lamp Supply Voltage

D11

WHT

17

Stoplamp Switch Signal

D12

ORN

540

Battery Positive Voltage

E1

ORN

1240

Battery Positive Voltage (w/ AU3)

E2

ORN

1540

Battery Positive Voltage

E3

BLK

28

Horn Relay Control

E3

BLK

28

Horn Relay Control

E4

ORN

1140

Battery Positive Voltage

E4

ORN

1140

Battery Positive Voltage

E5

ORN

1640

Battery Positive Voltage

E6

--

--

Not Used

E7

BLK/WHT

451

Ground

E8

BLK/WHT

451

Ground

E9

BRN/WHT

2609

Right Rear Park Lamps Supply Voltage (Utility)

E10

YEL

618

Left Rear Turn Signal Lamp Supply Voltage (Utility)

E11-F2

--

--

Not Used

F3

LT GRN

1324

Backup Lamps Supply Voltage

F4

YEL

525

Headlamp Dimmer Switch Low Beam Signal

F5

--

--

Not Used

F6

ORN

2267

Mirror Heating Element Supply Voltage

F7

DK GRN/WHT

465

Fuel Pump Relay Control

F8

WHT

193

Rear Defog Relay Control

F9

--

--

Not Used

F10

YEL/BLK

1418

Left Rear Turn Signal Switch Signal

F11

LT BLU

1320

CHMSL Supply Voltage

F11

LT BLU

1320

CHMSL Supply Voltage

F12

ORN

140

Battery Positive Voltage

Fuse Block - Underhood Connector C2


Object Number: 362761  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1-A6

--

--

Not Used

A7

GRY

120

Fuel Pump Supply Voltage (2.2 L)

A8

ORN

440

Battery Positive Voltage

A9

PNK

239

Ignition 1 Voltage (4.3 L)

A9

PNK

239

Ignition 1 Voltage (4.3 L)

A10

PNK

439

Ignition 1 Voltage (2.2 L)

A11-B6

--

--

Not Used

B7

DK GRN/WHT

465

Fuel Pump Relay Control (2.2 L)

B8

--

--

Not Used

B9

PNK

239

Ignition 1 Voltage

B10

PNK

439

Ignition 1 Voltage

B10

PNK

439

Ignition 1 Voltage

B11

GRY

1524

Backup Lamp Supply Voltage

B12

LT GRN

275

Park Neutral Position Switch Park Signal

C1-C7

--

--

Not Used

C8

PNK

839

Ignition 1 Voltage

C9

--

--

Not Used

C10

PNK

439

Ignition 1 Voltage (4.3 L)

C10

PNK

439

Ignition 1 Voltage (4.3 L)

C11

--

--

Not Used

C12

LT GRN/BLK

584

A/T Shift Lock Control Switch Supply Voltage

D1-D2

--

--

Not Used

D3

DK GRN/WHT

459

A/C Compressor Clutch Relay Control

D4

DK GRN

59

Ignition 1 Voltage (4.3 L)

D5-9

--

--

Not Used

D10

PNK

439

Ignition 1 Voltage (4.3 L)

D10

PNK

439

Ignition 1 Voltage (4.3 L)

D11

PPL

6

Starter Solenoid Crank Voltage

D12

--

--

Not Used (w/o A/C)

D12

BLK/WHT

350

Ground (w/ A/C)

E1

--

--

Not Used

E2

PPL

806

Crank Voltage (4.3 L)

E3-E6

--

--

Not Used

E7

BLK/WHT

451

Ground

E8

PNK

639

Ignition 1 Voltage (4.3 L w/NM8)

E9

--

--

Not Used

E10

PNK

439

Ignition 1 Voltage (4.3 L)

E10

PNK

439

Ignition 1 Voltage (4.3 L)

E11-F6

--

--

Not Used

F7

BLK

350

Ground

F8

--

--

Not Used

F9

PNK

539

Ignition 1 Voltage

F9

PNK

539

Ignition 1 Voltage (4.3 L)

F10

PNK

439

Ignition 1 Voltage (4.3 L)

F11

PPL/WHT

1035

Starter Relay Coil Supply Voltage (w/ M30)

F12

--

--

Not Used

Fuse Block - Underhood Connector C3


Object Number: 362759  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1-A3

--

--

Not Used

A4

LT GRN

1624

Trailer Backup Lamps Supply Voltage (Utility)

A5

DK GRN

1619

Trailer Right Rear Turn/Stop Lamp Supply Voltage (Utility)

A6

YEL

1618

Trailer Left Rear Turn/Stop Lamp Supply Voltage (Utility)

B1-B2

--

--

Not Used

B3

LT GRN

1324

Backup Lamp Supply Voltage

B4-B6

--

--

Not Used

C1

BRN

2509

Left Rear Park Lamps Supply Voltage

C2-C4

--

--

Not Used

C5

DK GRN

619

Right Rear Turn Signal Lamp Supply Voltage (Pickup)

C6

--

--

Not Used

D1

BRN

2109

Trailer Park Lamps Supply Voltage

D2

BRN/WHT

2609

Right Rear Park Lamps Supply Voltage

D3-5

--

--

Not Used

D6

YEL

618

Left Rear Park Lamps Supply Voltage

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 Connector C4


Object Number: 362760  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

DK GRN/WHT

711

Left Headlamp High Beam Supply Voltage (Except Envoy)

A2

LT GRN

1193

Right Headlamp High Beam/ DRL Control

A3

PNK

639

Ignition 1 Voltage

A4-A5

--

--

Not Used (Except Envoy and Export)

A4

LT BLU

1346

Headlamp Supply Voltage (Envoy)

A5

LT GRN/BLK

311

Right Headlamp High Beam Supply Voltage (Envoy)

A5

PNK

94

Windshield Washer Switch Signal (Export Only)

A6

DK GRN

1329

Horn Fuse Supply Voltage

B1

YEL/BLK

712

Left Headlamp Low Beam Supply Voltage

B1

TAN

312

Right Headlamp Low Beam Supply Voltage

B2

DK BLU

198

Fuse Output - Head Lamp - Right (Except Envoy)

B2

YEL

712

Left Headlamp Low Beam Supply Voltage (Envoy)

B3

--

--

Not Used

B4

PPL

524

Headlamp Dimmer Switch Output - High Beam (Except Envoy)

B4

DK GRN/WHT

711

Left Headlamp High Beam Supply Voltage

B5

BRN

2309

Front Park Lamps Supply Voltage

B6

--

--

Not Used

C1-C4

--

--

Not Used

C5

BRN

2309

Front Park Lamps Supply Voltage

C6

--

--

Not Used

D1-D6

--

--

Not Used

E1

--

--

Not Used

E2

PPL

34

Front Fog Lamps Supply Voltage (w/ ANL)

E3

PPL

524

Headlamp Dimmer Switch High Beam Signal (Export Only)

E4

--

--

Not Used

E5

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

E6

ORN

2440

Battery Positive Voltage (Export Only)

F1-F2

--

--

Not Used

F3

YEL

525

Headlamp Dimmer Switch Low Beam Signal

F4

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

F5-F6

--

--

Not Used

Fuse Block - Underhood Connector 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 Connector C6


Object Number: 280788  Size: CH

Connector Part Information

    • 280788
    • 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

BRN/WHT

379

CPP Switch Signal

A1

BRN/WHT

379

CPP Switch Signal

A2

ORN

40

Battery Positive Voltage

A3

--

--

Not Used

A4

ORN

40

Battery Positive Voltage

A4

ORN

40

Battery Positive Voltage

A5

ORN

40

Battery Positive Voltage

A6

BLK/WHT

451

Ground

A7

LT BLU

195

Door Lock Control

A7

LT BLU

195

Door Lock Control

A8

--

--

Not Used

A9

LT BLU

195

Door Lock Control

A9

LT BLU

195

Door Lock Control

A10

BLK

552

Low Reference

A10

BLK

552

Low Reference

A11

YEL

10

Headlamp Switch Signal

A11

ORN

3640

Battery Positive Voltage (Envoy)

A12

--

--

Not Used (Except Envoy)

A12

WHT

352

Headlamp Relay Coil Supply Voltage (Envoy)

B1

ORN

1440

Battery Positive Voltage

B2

BRN/WHT

379

CPP Switch Signal

B2

BRN/WHT

379

CPP Switch Signal

B3

DK GRN

1001

RAP Fuse Supply Voltage

B4

BLK/WHT

451

Ground

B4

BLK/WHT

451

Ground

B5

BLK/WHT

451

Ground

B6

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 (Except Export)

B9

GRY

295

Door Lock Actuator Lock Control (Except Export)

B10

BLK

552

Low Reference (w/ C68)

B10

BLK

552

Low Reference (w/ C68)

B11

LT BLU

195

Door Lock Control

B12

BLK

1850

Ground (Except Envoy)

B12

BLK/WHT

1969

Headlamp Highbeam Relay Control (Except Export)

C1

--

--

Not Used

C2

WHT

156

Courtesy Lamp Low Control (w/ C68)

C3

DK GRN

1001

RAP Fuse Supply Voltage

C4

DK BLU

1393

Courtesy Lamp Supply Voltage

C5

ORN

1732

Courtesy Lamp Supply Voltage

C5

ORN

1732

Courtesy Lamp Supply Voltage

C6-C7

--

--

Not Used

C8

BLK

1850

Ground

C9

GRY

295

Door Lock Actuator Lock Control

C10

--

--

Not Used

C11

LT GRN/BLK

592

DRL Relay Control

C11

BLK/WHT

1969

Headlamp High Beam Relay Control (Envoy and Export)

C11

BLK/WHT

1969

Headlamp High Beam Relay Control (Envoy and Export)

C12

--

--

Not Used (Except Envoy and Export)

C12

LT BLU

1346

Headlamp Supply Voltage (Envoy)

D1

--

--

Not Used

D2

BRN

4

Accessory Voltage

D3

DK GRN

1001

RAP Fuse Supply Voltage

D4

WHT

156

Courtesy Lamp Low Control

D5-D7

--

--

Not Used

D8

TAN

294

Door Lock Actuator Unlock Control

D8

TAN

294

Door Lock Actuator Unlock Control

D9

BLK

1850

Ground (Utility)

D10

WHT

194

Door Unlock Control

D11

BLK/WHT

56

Trunk Release Motor Supply Voltage

D11

BLK/WHT

56

Trunk Release Motor Supply Voltage

D12

BLK/WHT

56

Trunk Release Motor Supply Voltage

E1

RED

542

Battery Supply Voltage

E2

BLK

755

RAP Relay Coil Control

E3

BRN

4

Accessory Voltage

E4

WHT

156

Courtesy Lamp Switch Signal

E5

ORN

1732

Courtesy Lamps Supply Voltage

E5

ORN

1732

Courtesy Lamps Supply Voltage

E6

LT BLU

74

Park Lamp Switch Signal

E6

LT BLU

74

Park Lamp Switch Signal

E7

--

--

Not Used

E8

WHT

194

Door Unlock Control

E9

--

--

Not Used

E10

TAN

694

Driver Door Lock Actuator Unlock Control

E11

LT GRN

1391

Left Front Door Lock 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 Supply Voltage

F5

--

--

Not Used

F6

WHT

1080

Park Lamp Relay Control

F7

ORN

240

Battery Positive Voltage

F7

ORN

240

Battery Positive Voltage

F8

WHT

194

Door Unlock Control

F8

WHT

194

Door Unlock Control

F9

ORN

1740

Battery Positive Voltage

F10

ORN

840

Battery Positive Voltage (Utility Only)

F11

--

--

Not Used

F12

ORN

840

Battery Positive Voltage

F12

ORN

840

Battery Positive Voltage