GM Service Manual Online
For 1990-2009 cars only
Table 1: Accessories Power Receptacle, LH
Table 2: Accessories Power Receptacle, RH
Table 3: Accessories Power Receptacle, Floor Console (Envoy Only)
Table 4: Accessories Power Receptacle, Rear (Envoy Only)
Table 5: Body Relay Block
Table 6: Cigar Lighter
Table 7: IP Fuse Block
Table 8: Underhood Fuse Block Connector C1
Table 9: Underhood Fuse Block Connector C2
Table 10: Underhood Fuse Block Connector C3
Table 11: Underhood Fuse Block Connector C4
Table 12: Underhood Fuse Block Connector C5
Table 13: Underhood Fuse Block Connector C6

Accessories Power Receptacle, LH


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

Fuse Output - Battery

B

BLK

1050

Ground

Accessories Power Receptacle, RH


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

Fuse Output - Battery

B

BLK

1050

Ground

Accessories Power Receptacle, 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

Fuse Output - Battery

B

--

--

Not Used

C

BLK

1050

Ground

Accessories Power Receptacle, 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

Fuse Output - Battery

B

BLK

1350

Ground

C

--

--

Not Used

Body Relay Block


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

Cruise Control Clutch Pedal Switch Output

A1

BRN/WHT

379

Cruise Control Clutch Pedal Switch Output

A2

ORN

40

Fuse Output - Battery

A3

--

--

Not Used

A4

ORN

40

Fuse Output - Battery

A4

ORN

40

Fuse Output - Battery

A5

ORN

40

Fuse Output - Battery

A6

BLK/WHT

451

Engine Control Module Ground

A7

LT BLU

195

Power Door Relay Feed - Lock Coil

A7

LT BLU

195

Power Door Relay Feed - Lock Coil

A8

--

--

Not Used

A9

LT BLU

195

Power Door Relay Feed - Lock Coil

A9

LT BLU

195

Power Door Relay Feed - Lock Coil

A10

BLK

552

Sensor Return (w/ C68)

A10

BLK

552

Sensor Return (w/ C68)

A11

YEL

10

Headlamp Switch Output (Except Envoy)

A11

ORN

3640

Fuse Output - Battery (Envoy)

A12

--

--

Not Used (Except Envoy)

A12

WHT

352

Headlamp Relay Feed - Coil (Envoy)

B1

ORN

1440

Fuse Output - Battery (w/ C68)

B2

BRN/WHT

379

Cruise Control Clutch Pedal Switch Output

B2

BRN/WHT

379

Cruise Control Clutch Pedal Switch Output

B3

DK GRN

1001

Fuse Output - Retained Accessory Power

B4

BLK/WHT

451

Engine Control Module Ground

B4

BLK/WHT

451

Engine Control Module Ground

B5

BLK/WHT

451

Engine Control Module Ground

B6

BLK/WHT

451

Engine Control Module Ground

B6

BLK/WHT

451

Engine Control Module Ground (Export)

B7

BLK/WHT

451

Engine Control Module Ground

B8

--

--

Not Used

B9

GRY

295

Door Lock Actuator (Except Export)

B9

GRY

295

Door Lock Actuator (Except Export)

B10

BLK

552

Sensor Return (w/ C68)

B10

BLK

552

Sensor Return (w/ C68)

B11

LT BLU

195

Power Door Relay Feed - Lock Coil

B12

BLK

1850

Ground (Except Envoy)

B12

BLK/WHT

1969

High Beam Headlamp Relay Output - Coil (Except Export)

C1

--

--

Not Used

C2

WHT

156

Courtesy Lamp Output (w/ C68)

C3

DK GRN

1001

Fuse Output - Retained Accessory Power (Pickup)

C4

DK BLU

1393

Interior Lamp Relay Output - Coil

C5

ORN

1732

Electronic Control Unit Output - 12 Volt Inadvertent Load Control

C5

ORN

1732

Electronic Control Unit Output - 12 Volt Inadvertent Load Control (Export)

C6-C7

--

--

Not Used

C8

BLK

1850

Ground

C9

GRY

295

Power Door Lock Motor Feed - Lock

C10

--

--

Not Used

C11

LT GRN/BLK

592

Daytime Running Lamp Relay Output - Coil (Except Envoy and Export)

C11

BLK/WHT

1969

High Beam Headlamp Relay Output - Coil (Envoy and Export)

C11

BLK/WHT

1969

High Beam Headlamp Relay Output - Coil (Envoy and Export)

C12

--

--

Not Used (Except Envoy and Export)

C12

LT BLU

1346

Headlamp Relay Output - N.O. Contact (Envoy)

D1

--

--

Not Used

D2

BRN

4

Ignition Switch Output - Accessory

D3

DK GRN

1001

Fuse Output - Retained Accessory Power (Utility)

D4

WHT

156

Courtesy Lamp Output

D5-D7

--

--

Not Used

D8

TAN

294

Power Door Lock Motor Feed - Unlock

D8

TAN

294

Power Door Lock Motor Feed - Unlock

D9

BLK

1850

Ground (Utility)

D10

WHT

194

Power Door Lock Relay Feed - Unlock Coil (Utility)

D11

BLK/WHT

56

Release Motor Feed

D11

BLK/WHT

56

Release Motor Feed

D12

BLK/WHT

56

Release Motor Feed

E1

RED

542

Fuse Output - Battery

E2

BLK

755

Delayed Accessory Bus Relay Output - Coil - Accessory Relay

E3

BRN

4

Ignition Switch Output - Accessory

E4

WHT

156

Courtesy Lamp Output

E5

ORN

1732

Electronic Control Unit Output - 12 Volt Inadvertent Load Control

E5

ORN

1732

Electronic Control Unit Output - 12 Volt Inadvertent Load Control

E6

LT BLU

74

Park Lamp Relay Output

E6

LT BLU

74

Park Lamp Switch Output

E7

--

--

Not Used

E8

WHT

194

Power Door Lock Relay Feed - Unlock Coil

E9

--

--

Not Used

E10

TAN

694

Driver Door Actuator

E11

LT GRN

1391

Driver Door Unlock Relay

E12

ORN

840

Fuse Output - Battery

F1-F2

--

--

Not Used

F3

DK BLU

75

Delayed Accessory Bus Relay Output - Common Contact - Accessory

F4

GRY/BLK

690

Courtesy Lamp Relay Output - Coil

F5

--

--

Not Used

F6

WHT

1080

Park Lamp Relay Output - Coil

F7

ORN

240

Fuse Output - Battery

F7

ORN

240

Fuse Output - Battery

F8

WHT

194

Power Door Lock Relay Feed - Unlock Coil

F8

WHT

194

Power Door Lock Relay Feed - Unlock Coil

F9

ORN

1740

Fuse Output - Battery

F10

ORN

840

Fuse Output - Battery (Utility Only)

F11

--

--

Not Used

F12

ORN

840

Fuse Output - Battery

F12

ORN

840

Fuse Output - Battery

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

Fuse Output - Battery

B

BLK

1050

Ground

IP Fuse Block


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

Fuse Output - Battery

B8

--

--

Not Used

C1

ORN

340

Fuse Output - Battery

C1

ORN

340

Fuse Output - Battery (Bravada)

C3

ORN

1040

Fuse Output - Battery

C5

ORN

1940

Fuse Output - Battery

C7

--

--

Not Used

D2

--

--

Not Used

D4

RED

642

Fuse Output - Battery

D6-D8

--

--

Not Used

E1

ORN

1340

Fuse Output - Battery (Envoy Only)

E3

ORN

1740

Fuse Output - Battery

E5

ORN

40

Fuse Output - Battery

E7

ORN

640

Fuse Output - Battery

E7

ORN

640

Fuse Output - Battery

F2

--

--

Not Used

F4

ORN

300

Ignition Switch Output - Ignition

F6-F8

--

--

Not Used

G1

BRN

341

Fuse Output - Ignition

G1

BRN

341

Fuse Output - Ignition (w/ HVAC)

G3

BRN

241

Backup Lamp Feed

G3

BRN

241

Backup Lamp Feed (w/ E09)

G5

BRN

141

Fuse Output - Ignition 3 - Type III Fuse (w/ C42)

G7

BRN

41

Ignition Switch Output - Accessory

G7

BRN

41

Ignition Switch Output - Accessory

H2

ORN

300

Ignition Switch Output - Ignition

H4

--

--

Not Used

H6

PNK

3

Ignition Switch Output - Ignition 1

H8

--

--

Not Used

J1

BRN

441

Ignition Switch Output - Accessory

J3

YEL

1139

Fuse Output - Ignition

J3

YEL

1139

Fuse Output - Ignition

J5

PNK

139

Fuse Output - Ignition

J7

PNK

39

Fuse Output - Ignition

J7

PNK

39

Fuse Output - Ignition (w/ C68)

K2

BRN

4

Ignition Switch Output - Accessory

K4

--

--

Not Used

K6

WHT

1390

Fuse Output - Ignition

K8

LT BLU

74

Park Lamp Switch Output

K8

LT BLU

74

Park Lamp Switch Output

L1

YEL

43

Ignition Switch Output - Accessory (Utility)

L3

YEL

143

Fuse Output - Accessory

L5

PNK

1020

Fuse Output - Off/RUN/Crank

L5

PNK

1020

Fuse Output - Off/RUN/Crank

L7

BRN

2409

Fuse Output - Interior Park Lamps - Type III Fuse

M2

DK BLU

75

Delayed Accessory Bus Relay Output - Common Contact - Accessory

M4

--

--

Not Used

M6

DK GRN

44

Ignition Switch Output - Accessory

M8

--

--

Not Used

N1

DK GRN

1301

Fuse Output - Retained Accessory Power - Type III Fuse

N1

DK GRN

1301

Fuse Output - Retained Accessory Power - Type III Fuse

N3

DK GRN

801

Ignition Switch Output (w/ UK3)

N5

GRY

1220

Fuse Output - Interior Park Lamps

N7

BRN

1244

Instrument Panel Lamp Feed #2 (Utility)

Underhood Fuse Block 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

Fuse Output - Battery

A2

ORN

740

Fuse Output - Battery

A3

PPL

524

Headlamp Dimmer Switch Output - High Beam (Except Envoy)

A3

PPL

524

Headlamp Dimmer Switch Output - High Beam (Except Envoy)

A4

LT BLU

74

Park Lamp Switch

A5

ORN

840

Fuse Output - Battery - Type III Fuse (w/ AU3)

A6

WHT

352

Headlamp Relay Feed - Coil (Except Envoy)

A7

BLK

350

Ground

A8

BRN

2509

Fuse Output - Park Lamp - Left Rear (Utility)

A9

PNK

3

Ignition Switch Output - Ignition 1

A10

ORN

1840

Fuse Output - Battery

A11

PPL/WHT

1035

Starter Relay Feed - Coil

A12

--

--

Not Used

B1

YEL/BLK

895

CHMSL Relay Output - Common Contact (Pickup)

B2

WHT

103

Headlamp Switch Signal - Headlamps ON (Envoy Only)

B2

WHT

103

Headlamp Switch Signal - Headlamps ON (Envoy Only)

B3

DK GRN/WHT

1317

Fog Lamp Relay Output - Coil

B4

PPL

34

Fog Lamp Feed

B5

LT BLU

1344

Trunk Release Relay - Output (Utility)

B6

BLK/WHT

56

Trunk Release Motor Feed (Utility)

B7

BLK

350

Ground

B8

PPL

1093

Fuse Output - Rear Defogger Element (Utility)

B9

--

--

Not Used

B10

PNK

439

Fuse Output - Ignition

B11

RED

242

Fuse Output - Battery

B12

ORN

240

Fuse Output - Battery

C1

DK BLU/WHT

1415

Turn Signal Switch Output - Right Front

C2

LT BLU/WHT

1414

Turn Signal Switch Output - Left Front

C3

PPL

806

Fuse Output - Crank

C3

PPL

806

Fuse Output - Crank

C4

--

--

Not Used

C5

LT GRN/BLK

592

Daytime Running Lamp Relay Output - Coil

C6-C8

--

--

Not Used

C9

--

--

Not Used (Except Envoy)

C9

ORN

3640

Fuse Output - Battery (Envoy)

C10

DK GRN/WHT

1419

Turn Signal Switch Output - Right Rear

C11-D2

--

--

Not Used

D3

YEL

5

Ignition Switch Output - Crank

D4

ORN

1140

Fuse Output - Battery - Type III Fuse

D5

ORN

1640

Fuse Output - Battery - Type III Fuse

D6-D8

--

--

Not Used

D9

PNK

639

Fuse Output - Ignition 1 - Type III Fuse (Envoy Only)

D10

DK GRN

619

Fuse Output - Turn/Stop Lamp - Right Rear (Utility)

D11

WHT

17

Stoplamp Switch Output

D12

ORN

540

Fuse Output - Battery

E1

ORN

1240

Fuse Output - Battery (w/ AU3)

E2

ORN

1540

Fuse Output - Battery

E3

BLK

28

Horn Relay Output - Coil

E3

BLK

28

Horn Relay Output - Coil

E4

ORN

1140

Fuse Output - Battery

E4

ORN

1140

Fuse Output - Battery

E5

ORN

1640

Fuse Output - Battery - Type III Fuse

E6

--

--

Not Used

E7

BLK/WHT

451

Engine Control Module Ground

E8

BLK/WHT

451

Engine Control Module Ground

E9

BRN/WHT

2609

Fuse Output - Park Lamp - Right Rear (Utility)

E10

YEL

618

Fuse Output - Turn/Stop Lamp - Left - Rear (Utility)

E11-F2

--

--

Not Used

F3

LT GRN

1324

Fuse Output - Backup Lamps (Utility)

F4

YEL

525

Headlamp Dimmer Switch Output - Low Beam (Except Envoy)

F5

--

--

Not Used

F6

ORN

2267

Fuse Output - Heater Mirror

F7

DK GRN/WHT

465

Fuel Pump Relay Feed - Coil

F8

WHT

193

Rear Defogger Relay Output - Coil

F9

--

--

Not Used

F10

YEL/BLK

1418

Turn Signal Switch Output - Left Rear

F11

LT BLU

1320

Fuse Output - CHMSL

F11

LT BLU

1320

Fuse Output - CHMSL

F12

ORN

140

Fuse Output - Battery

Underhood Fuse Block 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 Motor Feed (2.2L)

A8

ORN

440

Fuse Output - Battery

A9

PNK

239

Fuse Output - Ignition 1 (4.3L)

A9

PNK

239

Fuse Output - Ignition 1 (4.3L)

A10

PNK

439

Fuse Output - Ignition (2.2L)

A11-B6

--

--

Not Used

B7

DK GRN/WHT

465

Fuel Pump Relay Feed - Coil (2.2L)

B8

--

--

Not Used

B9

PNK

239

Fuse Output - Ignition

B10

PNK

439

Fuse Output - Ignition (4.3L)

B10

PNK

439

Fuse Output - Ignition

B11

GRY

1524

Backup Lamp Feed - Monitored

B12

LT GRN

275

Transmission Mounted Neutral Safety Switch Output - Park (w/ M30)

C1-C7

--

--

Not Used

C8

PNK

839

Fuse Output - Ignition

C9

--

--

Not Used

C10

PNK

439

Fuse Output - Ignition 1 (4.3L)

C10

PNK

439

Fuse Output - Ignition 1 (4.3L)

C11

--

--

Not Used

C12

LT GRN/BLK

584

Fuse Output - Brake Transmission Shift Interlock (w/ M30)

D1-D2

--

--

Not Used

D3

DK GRN/WHT

459

Air Conditioning Compressor Control Relay Output

D4

DK GRN

59

Air Conditioning Compressor Clutch Coil

D5-9

--

--

Not Used

D10

PNK

439

Fuse Output - Ignition 1 (4.3L)

D10

PNK

439

Fuse Output - Ignition 1 (4.3L)

D11

PPL

6

Starter Solenoid Feed

D12

--

--

Not Used (w/o A/C)

D12

BLK/WHT

350

Ground (w/ A/C)

E1

--

--

Not Used

E2

PPL

806

Fuse Output - Crank (4.3L)

E3-E6

--

--

Not Used

E7

BLK/WHT

451

Engine Control Module Ground

E8

PNK

639

Fuse Output - Ignition 1 - Type III Fuse (4.3L w/ NM8)

E9

--

--

Not Used

E10

PNK

439

Fuse Output - Ignition 1 (4.3L)

E10

PNK

439

Fuse Output - Ignition 1 (4.3L)

E11-F6

--

--

Not Used

F7

BLK

350

Ground

F8

--

--

Not Used

F9

PNK

539

Fuse Output - Ignition

F9

PNK

539

Fuse Output - Ignition (4.3L)

F10

PNK

439

Fuse Output Ignition 1 (4.3L)

F11

PPL/WHT

1035

Starter Relay Feed - Coil (w/ M30)

F12

--

--

Not Used

Underhood Fuse Block 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

Fuse Output - Trailer Backup Lamp (Utility)

A5

DK GRN

1619

Fuse Output - Trailer Turn/Stop Lamp - Right Rear (Utility)

A6

YEL

1618

Fuse Output - Trailer Turn/Stop Lamp - Left Rear (Utility)

B1-B2

--

--

Not Used

B3

LT GRN

1324

Fuse Output - Backup Lamps (Pickup)

B4-B6

--

--

Not Used

C1

BRN

2509

Fuse Output - Park Lamp - Left Rear (Pickup)

C2-C4

--

--

Not Used

C5

DK GRN

619

Fuse Output - Turn/Stop Lamp - Right Rear (Pickup)

C6

--

--

Not Used

D1

BRN

2109

Fuse Output - Trailer Park Lamp (Utility)

D2

BRN/WHT

2609

Fuse Output - Park Lamp - Right Rear (Pickup)

D3-5

--

--

Not Used

D6

YEL

618

Fuse Output - Turn/Stop Lamp Left Rear (Pickup)

E1-E3

--

--

Not Used

E4

LT BLU

1620

Fuse Output - Trailer CHMSL

E5-E6

--

--

Not Used

F1

GRY

120

Fuel Pump Motor Feed

F2

--

--

Not Used

F3

PNK

239

Fuse Output - Ignition

F4-F6

--

--

Not Used

Underhood Fuse Block 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

High Beam Headlamp Feed - Left (Except Envoy)

A2

LT GRN

1193

Headlamp Output - High Beam - Right (Envoy)

A3

PNK

639

Fuse Output - Ignition 1

A4-A5

--

--

Not Used (Except Envoy and Export)

A4

LT BLU

1346

Headlamp Relay Output - N. O. Contact (Envoy)

A5

LT GRN/BLK

311

High Beam Headlamp Feed - Right (Envoy)

A5

PNK

94

Windshield Washer Switch Signal (Export Only)

A6

DK GRN

1329

Fuse Output - Horn

B1

YEL/BLK

712

Low Beam Headlamp Feed - Left

B1

TAN

312

Low Beam Headlamp Feed - Right (Envoy)

B2

DK BLU

198

Fuse Output - Head Lamp - Right (Except Envoy)

B2

YEL

712

Low Beam Headlamp Feed - Left (Envoy)

B3

--

--

Not Used

B4

PPL

524

Headlamp Dimmer Switch Output - High Beam (Except Envoy)

B4

PPL

524

Headlamp Dimmer Switch Output - High Beam (Except Envoy)

B4

DK GRN/WHT

711

High Beam Headlamp Feed - Left (Envoy)

B5

BRN

2309

Fuse Output - Park Lamp - Front

B6

--

--

Not Used

C1-C4

--

--

Not Used

C5

BRN

2309

Fuse Output - Park Lamp Front

C6

--

--

Not Used

D1-D6

--

--

Not Used

E1

--

--

Not Used

E2

PPL

34

Fog Lamp Feed (w/ ANL)

E3

PPL

524

Headlamp Dimmer Switch Output, High Beam (Export Only)

E4

--

--

Not Used

E5

LT BLU

2114

Fuse Output - Turn Lamp - Left Front

E6

ORN

2440

Fuse Output - Battery - Type III Fuse (Export Only)

F1-F2

--

--

Not Used

F3

YEL

525

Headlamp Dimmer Switch Output - Low Beam

F4

DK BLU

2115

Fuse Output - Turn Lamp - Right Front

F5-F6

--

--

Not Used

Underhood Fuse Block 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

Fuse Output - Battery

B

RED

342

Fuse Output - Battery

Underhood Fuse Block 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

Fuse Output - Battery

B

RED

642

Fuse Output - Battery