GM Service Manual Online
For 1990-2009 cars only
Table 1: Automatic Level Control (ALC) Compressor
Table 2: Automatic Level Control (ALC) Fuse Block
Table 3: Automatic Level Control (ALC) Sensor (w/o F45)

Automatic Level Control (ALC) 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

ORN

1340

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

Automatic Level Control (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

Battery Positive Voltage

ORN

1340

Battery Positive Voltage

Automatic Level Control (ALC) Sensor (w/o F45)


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

Automatic Level Control Relay Control

C

ORN

1340

Battery Positive Voltage

D

BRN

2141

Ignition 1 Voltage

E

WHT

320

Automatic Level Control Exhaust Solenoid Control

F

--

--

Not Used