GM Service Manual Online
For 1990-2009 cars only

Automatic Level Control (ALC) Compressor


Object Number: 280763  Size: CH

Connector Part Information

    • 12015788
    • 4-Way F Weather Pack (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

1342

Battery Positive Voltage

B

DK GRN

322

ALC Compressor Motor Control

C

WHT

320

ALC Exhaust Solenoid Control

D

BLK

1050

Ground

Automatic Level Control (ALC) Sensor


Object Number: 491634  Size: CH

Connector Part Information

    • 12110293
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

2165

Automatic Level Control Sensor 5  Volt Reference

B

BRN

2184

Automatic Level Control Position Sensor Signal

C

PPL

2185

Automatic Level Control Position Sensor Low Reference