GM Service Manual Online
For 1990-2009 cars only
Table 1: Automatic Level Control Compressor
Table 2: Automatic Level Control Sensor

ALC Fuse Block


Object Number: 236686  Size: CH

Connector Part Information

    • 12110057
    • 1- Way Fuse System (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

1242

Battery Positive Voltage

B

ORN

1340

Fused Output - Battery Positive Voltage

Automatic Level Control Compressor


Object Number: 236684  Size: CH

Connector Part Information

    • 12034297
    • 4-Way M Weather Pack, with Clip (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

320

ALC Exhaust Solenoid Output

B

DK GRN

322

ALC Compressor Motor Feed

C

ORN

1340

Fused Output - Battery Positive Voltage

D

BLK

1050

Ground

Automatic Level Control Sensor


Object Number: 62449  Size: CH

Connector Part Information

    • 12052848
    • 6-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1050

Ground

B

YEL

321

ALC Compressor Motor Control

C

ORN

1340

Fused Output - Battery Positive Voltage

D

BRN

2141

Fused Output - Ignition Positive Voltage (Reset)

E

WHT

320

ALC Exhaust Solenoid Output

F

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Not Used