GM Service Manual Online
For 1990-2009 cars only
Table 1: C223
Table 2: C224
Table 3: Cigar Lighter
Table 4: Accessories Power Receptacle, RH/LH
Table 5: Body Relay Block
Table 6: IP Fuse Block
Table 7: Underhood Fuse Block, C1
Table 8: Underhood Fuse Block, C2
Table 9: Underhood Fuse Block, C3
Table 10: Underhood Fuse Block, C4
Table 11: Underhood Fuse Block, C5
Table 12: Underhood Fuse Block, C6

C223


Object Number: 38274  Size: CH

Connector Part Information

    • 12015199
    • 2-Way F Metri-Pack 280 Series, Flex Lock (NAT)

Pin

Wire Color

Circuit No.

Function

A

ORN

1040

Fuse Output - Battery

B

BLK

1850

Ground

C224


Object Number: 287981  Size: CH

Connector Part Information

    • 12092162
    • 4-Way F Metri-Pack 150 Series, (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

640

Fuse Output - Battery

B

BLK

1850

Ground

C

BRN

2409

Fuse Output - Interior Park Lamps

D

BLK

1850

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

Fuse Output - Battery

B

--

--

Not Used

C

BLK

1850

Ground

Accessories Power Receptacle, RH/LH


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

Fuse Output - Battery

B

BLK

1850

Ground

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-A3

--

--

Not Used

A4

ORN

40

Fuse Output - Battery

A4

ORN

40

Fuse Output - Battery

A5

ORN

40

Fuse Output - Battery

A6

--

--

Not Used

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

--

--

Not Used

A11

ORN

240

Fuse Output - Battery

A12

--

--

Not Used

B1

ORN

1440

Fuse Output - Battery

B2

--

--

Not Used

B3

DK GRN

1001

Fuse Output - Retained Accessory Power

B4

--

--

Not Used

B5

BLK/WHT

451

Engine Control Module Ground

B5

BLK/WHT

451

Engine Control Module Ground

B6

BLK/WHT

451

Engine Control Module Ground

B7

BLK/WHT

451

Engine Control Module Ground

B8

--

--

Not Used

B9

GRY

295

Power Door Lock Motor Feed - Lock

B10-B12

--

--

Not Used

C1-C2

--

--

Not Used

C3

DK GRN

1001

Fuse Output - Retained Accessory Power

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

C6-C7

--

--

Not Used

C8

BLK

1050

Ground

C9

GRY

295

Power Door Lock Motor Feed - Lock

C9

GRY

295

Power Door Lock Motor Feed - Lock

C10

--

--

Not Used

C11

DK GRN/WHT

1317

Fog Lamp Relay Output - Coil

C12

PPL

2234

Fog Lamp Feed - Front

D1

--

--

Not Used

D2

BRN

4

Ignition Switch Output - Accessory

D3

DK GRN

1001

Fuse Output - Retained Accessory Power

D4

WHT

156

Courtesy Lamp Output

D5

--

--

Not Used

D6-D7

--

--

Not Used

D8

TAN

294

Power Door Lock Motor Feed - Unlock

D8

TAN

294

Power Door Lock Motor Feed - Unlock

D9-D10

--

--

Not Used

D11

BLK/WHT

56

Trunk Release Motor Feed

D11

BLK/WHT

56

Trunk Release Motor Feed

D12

BLK/WHT

56

Trunk 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

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 Switch Output

E7

--

--

Not Used

E8

WHT

194

Power Door Lock Relay Feed - Unlock Coil

E9

--

--

Not Used

E10

TAN

694

Trunk Release Motor Feed

E11

LT GRN

1391

Headlamp Output - Low Beam - Right

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

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

F11

--

--

Not Used

F12

ORN

840

Fuse Output - Battery

IP Fuse Block


Object Number: 613005  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

Fuse Output - Battery

C1

ORN

340

Fuse Output - Battery

C3

ORN

1040

Fuse Output - Battery

C5

ORN

140

Fuse Output - Battery

C7-D6

--

--

Not Used

D8

RED

642

Fuse Output - Battery

E1

--

--

Not Used

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 -F6

--

--

Not Used

F8

ORN

300

Ignition Switch Output - Ignition

G1

BRN

341

Fuse Output - Ignition

G1

BRN

341

Fuse Output - Ignition

G3

BRN

241

Backup Lamp Feed

G3

BRN

241

Backup Lamp Feed

G5

BRN

441

Fuse Output - Ignition 3

G7

BRN

41

Ignition Switch Output - Accessory

H2 - H6

--

--

Not Used

H8

PNK

3

Ignition Switch Output - Ignition

J1

--

--

Not Used

J3

YEL

1139

Fuse Output - Ignition

J5

PNK

139

Fuse Output - Ignition

J7

PNK

39

Fuse Output - Ignition

J7

PNK

39

Fuse Output - Ignition

K2

GRY

1390

Ignition Switch Output - Accessory

K4

BRN

4

Ignition Switch Output - Accessory

K6-K8

--

--

Not Used

L1

PNK

1020

Fuse Output - OFF/RUN/CRANK

L3

YEL

143

Fuse Output - Accessory

L5

YEL

43

Ignition Switch Output - Accessory

L7

--

--

Not Used

M2

--

--

Not Used

M4

LT BLU

74

Park Lamp Switch Output

M4

LT BLU

74

Park Lamp Switch Output

M6

DK GRN

44

Instrument Panel Lamps Dimmer Switch Output

M8

LT BLU

75

Delayed Accessory Bus Relay Output - Common Contact - Accessory

N1

--

--

Not Used

N3

BRN

2409

Fuse Output - Interior Park Lamps

N5

GRA

1220

Fuse Output - Instrument Panel Lamps

N7

DK GRN

1301

Fuse Output - Retained Accessory Power

N7

DK GRN

1301

Fuse Output - Retained Accessory Power

Underhood Fuse Block, 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

Fuse Output - Battery

A2

ORN

1140

Fuse Output - Battery

A3

--

--

Not Used

A4

LT BLU

74

Park Lamp Switch

A5

ORN

840

Fuse Output - Battery

A6

DK GRN/WHT

465

Fuel Pump Relay Feed - Coil

A7

BLK

350

Ground

A8

BRN

2509

Fuse Output - Park Lamp - Left Rear

A9

PNK

3

Ignition Switch Output - Ignition 1

A10

--

--

Not Used

A11

PPL/WHT

1035

Starter Relay Feed - Coil (w/ M50)

A12

--

--

Not Used

B1

LT GRN

1324

Fuse Output - Backup Lamps

B2

BLK

28

Horn Relay Output - Coil

B2

BLK

28

Horn Relay Output - Coil

B3

YEL

1977

Fog Lamp Relay Output - Coil - Rear

B4

PPL

34

Fog Lamp Feed

B5

LT BLU

1344

Trunk Release Relay Output - Coil

B6

BLK/WHT

56

Trunk Release Motor Feed

B7

BLK

350

Ground

B8

PPL

1093

Fuse Output - Rear Defogger Element

B9

--

--

Not Used

B10

PNK

439

Fuse Output - Ignition

B11

RED

242

Fuse Output - Battery

B12

ORN

240

Fuse Output - Battery

C1

LT BLU/WHT

1414

Turn Signal Switch Output - Left Front

C2

DK BLU/WHT

1415

Turn Signal Switch Output - Right Front

C3

PPL

806

Fuse Output - Crank - (Manual Transmission Only)

C4-C9

--

--

Not Used

C10

DK BLU/WHT

1415

Turn Signal Switch Output - Left Front

C11-C12

--

--

Not Used

D1

PPL

524

Headlamp Dimmer Switch Output - High Beam

D2

RED

228

Windshield Washer Pump Motor Feed

D2

RED

228

Windshield Washer Pump Motor Feed

D3

YEL

5

Ignition Switch Output - Crank

D4

ORN

1140

Fuse Output - Battery

D4

ORN

1140

Fuse Output - Battery

D5

ORN

1640

Fuse Output - Battery

D8

--

--

Not Used

D9

PNK

639

Fuse Output - Ignition 1

D9

PNK

639

Fuse Output - Ignition 1

D10

DK GRN

619

Fuse Output - Turn/Stop Lamp - Right Rear

D11

WHT

17

Stop Lamp Switch Output

D12

ORN

540

Fuse Output - Battery

E1

ORN

1240

Fuse Output - Battery

E2

ORN

1540

Fuse Output - Battery

E3

WHT

352

Headlamp Relay Feed - Coil

E4

ORN

1140

Fuse Output - Battery

E5

ORN

1640

Fuse Output - Battery

E5-E6

--

--

Not Used

E7

BLK/WHT

451

Engine Control Module Ground

E7

BLK/WHT

451

Engine Control Module Ground

E8

YEL

525

Engine Control Module Ground

E9

BRN/WHT

2609

Fuse Output - Park Lamp - Right Rear

E10

YEL

618

Fuse Output - Turn/Stop Lamp - Left - Rear

E11-E12

--

--

Not Used

F1-F5

--

--

Not Used

F6

ORN

2267

Fuse Output - Heater Mirror

F7

BLK/WHT

451

Engine Control Module Ground

F7

BLK/WHT

451

Engine Control Module Ground

F8

WHT

193

Rear Defogger Relay Output - Coil

F9

--

--

Not Used

F10

LT BLU/WHT

1414

Turn Signal Switch Output - Left Front

F11

LT BLU

1320

Fuse Output - HMSL

F11

LT BLU

1320

Fuse Output - HMSL

F12

--

--

Not Used

Underhood Fuse Block, 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

Fuse Output - Battery

A9

PNK

239

Fuse Output - Ignition 1

A9

PNK

239

Fuse Output - Ignition 1

A10- A-12

--

--

Not Used

B1-B8

--

--

Not Used

B9

PNK

239

Fuse Output - Ignition 1

B10

PNK

439

Fuse Output - Ignition 1

B10

PNK

439

Fuse Output - Ignition 1

B11

GRY

1524

Backup Lamp Feed - Monitored

B12

LT GRN

275

Transmission Mounted Neutral Safety Switch Output - Park - (Auto Trans Only)

C1-C7

--

--

Not Used

C8

PNK

839

Fuse Output - Ignition 1

C9

--

--

Not Used

C10

PNK

439

Fuse Output - Ignition 1

C10

PNK

439

Fuse Output - Ignition 1

C11

--

--

Not Used

C12

LT GRN/BLK

584

Fuse Output - Brake Transmission Shift Interlock - (Auto Trans Only)

D1-D2

--

--

Not Used

D3

DK GRN/WHT

459

Air Conditioning Compressor Control Relay Output - Coil

D4

DK GRN

59

Air Conditioning Compressor Clutch Solenoid Feed

D5-D9

--

--

Not Used

D10

PNK

439

Fuse Output - Ignition 1

D10

PNK

439

Fuse Output - Ignition 1

D11

PPL

6

Starter Solenoid Feed

D12

BLK

350

Ground

E1

--

--

Not Used

E2

PPL

806

Fuse Output - Crank - (Auto Trans Only)

E3-E6

--

--

Not Used

E7

BLK/WHT

451

Engine Control Module Ground

E8-E9

--

--

Not Used

E10

PNK

439

Fuse Output - Ignition 1

E10

PNK

439

Fuse Output - Ignition 1

E11-F6

--

--

Not Used

F7

BLK

350

Ground

F8

--

--

Not Used

F9

PNK

539

Fuse Output - Ignition 1

F9

PNK

539

Fuse Output - Ignition 1

F10

PNK

439

Fuse Output - Ignition 1

F11

PPL/WHT

1035

Starter Relay Feed - Coil (Auto Trans Only)

F12

--

--

Not Used

Underhood Fuse Block, 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

Fuse Output - Trailer Backup Lamps

A5

DK GRN

1619

Fuse Output - Trailer Turn/Stop Lamp - Right Rear

A6

YEL

1618

Fuse Output - Trailer Turn/Stop Lamp - Left Rear

B1-C6

--

--

Not Used

D1

DK BRN

2109

Fuse Output - Trailer Park Lamps

D2-E3

--

--

Not Used

E4

LT BLU

1620

Fuse Output - Trailer HMSL

E5-E6

--

--

Not Used

F1

GRY

120

Fuel Pump Motor Feed

F2

--

--

Not Used

F3

PNK

239

Fuse Ouput - Ignition 1

F4-F6

--

--

Not Used

Underhood Fuse Block, 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 Output - Low Beam

A2

YEL

525

Headlamp Dimmer Switch Output - Low Beam

A3-A4

--

--

Not Used

A5

PNK

94

Windshield Washer Switch Signal

A6

DK GRN

1329

Fuse Output - Horn

A6

DK GRN

1329

Fuse Output - Horn

B1

YEL

712

Low Beam Headlamp Feed - Left

B2

DK BLU

198

Fuse Output - Head Lamp - Right

B3

PNK

639

Fuse Output - Ignition 1 - (Manual Trans Only)

B3

PNK

639

Fuse Output - Ignition 1 - (Manual Trans Only)

B4

--

--

Not Used

B5

BRN

2309

Fuse Output - Park Lamp - Front

B5

BRN

2309

Fuse Output - Park Lamp - Front

B6

--

--

Not Used

E1-E-2

--

--

Not Used

E3

PPL

524

Headlamp Dimmer Switch Output - High Beam

E3

PPL

524

Headlamp Dimmer Switch Output - High Beam

E4

--

--

Not Used

E5

LT BLU

2114

Fuse Output - Turn Lamp - Left Front - Type III Fuse

E5

LT BLU

2114

Fuse Output - Turn Lamp - Left Front - Type III Fuse

E6

ORN

2440

Fuse Output - Battery

F1

BLK

350

Ground - (Manual Trans Only)

F2-F3

--

--

Not Used

F4

DK BLU

2115

Fuse Output - Turn Lamp - Right Front

F4

DK BLU

2115

Fuse Output - Turn Lamp - Right Front

F5-F6

--

--

Not Used

Underhood Fuse Block, 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, 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

Fuse Output - Battery

B

RED

642

Fuse Output - Battery