GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch
Table 2: A/C Compressor High Pressure Cut-off Switch
Table 3: A/C Compressor Refrigerant Pressure Switch
Table 4: A/C Compressor Relay

A/C Compressor Clutch


Object Number: 280759  Size: CH

Connector Part Information

    • 12162017
    • 2 Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

59

Air Conditioning Compressor Clutch Solenoid Feed

B

BLK

250

Ground

A/C Compressor High Pressure Cut-off Switch


Object Number: 38560  Size: CH

Connector Part Information

    • 12162438
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

203

Air Conditioning Refrigerant High Pressure Cut-out Switch Feed

A (L31)

BRN

921

Body Builder HVAC System

B

DK GRN/WHT

762

Air Conditioning Request Signal

A/C Compressor Refrigerant Pressure Switch


Object Number: 38562  Size: CH

Connector Part Information

    • 12162440
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A (Diesel)

LT BLU

203

Air Conditioning Refrigerant High Pressure Cut-out Switch Feed

A (Gas)

DK GRN

603

Air Conditioning Refrigerant Low Pressure Cut-out Switch Output

B (Diesel)

GRY

922

Body Builder HVAC System

B (Gas)

BLK

250

Ground

A/C Compressor Relay


Object Number: 39670  Size: CH

Connector Part Information

    • 12129716
    • 4 Way F Metri-Pack 280 Series Flexlock (GRY)

Pin

Wire Color

Circuit No.

Function

30

ORN

540

Fuse Output-Battery-Type III Fuse

85

PNK

39

Fuse Output-Ignition 1-Type III Fuse

86

DK GRN/WHT

459

Air Conditioning Compressor Control Relay Output-Coil

87

DK GRN

59

Air Conditioning Compressor Clutch Solenoid Feed