GM Service Manual Online
For 1990-2009 cars only
Table 1: Automatic Level Control (ALC) Sensor
Table 2: Accessory Inflator Switch
Table 3: Automatic Level Control (ALC) Compressor

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 Position Sensor 5 Volt Reference

B

BRN

2184

Automatic Level Control Position Sensor Signal

C

PPL

2185

Automatic Level Control Position Sensor Low Reference

Accessory Inflator Switch


Object Number: 280768  Size: CH

Connector Part Information

    • 12052832
    • 2-Way F Metri Pac (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1267

Automatic Level Control Reset Signal

B

BLK

1050

Ground

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

Automatic Level Control Compressor Motor Control

C

WHT

320

Automatic Level Control Exhaust Solenoid Control

D

BLK

1050

Ground