GM Service Manual Online
For 1990-2009 cars only
Table 1: Automatic Level Control (ALC) Air Inflator Switch
Table 2: Automatic Level Control (ALC) Solenoid Valve
Table 3: Automatic Level Control (ALC) Sensor
Table 4: Automatic Level Control (ALC) Pump (Component Side)
Table 5: Automatic Level Control (ALC) Timer Relay

Automatic Level Control (ALC) Air Inflator Switch


Object Number: 362750  Size: CH

Connector Part Information

    • 12015683
    • 3-Way F Pin Grip (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1250

Ground

B

BLK

1350

Ground

C

PPL

1267

Automatic Level Control Reset Signal

Automatic Level Control (ALC) Solenoid Valve


Object Number: 309502  Size: CH

Connector Part Information

    • 02965077
    • 2-Way F 56 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

1249

Automatic Level Control Inflator Solenoid Valve Supply Voltage

B

BLK

1350

Ground

Automatic Level Control (ALC) 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

1350

Ground

B

YEL

321

Automatic Level Control Relay Coil Supply Voltage

C

LT BLU

1298

Automatic Level Control Inflation Timer Relay Output - N.C. Contact

D

PNK

639

Ignition 1 Voltage

E

WHT

320

Automatic Level Control Exhaust Solenoid Control

F

--

--

Not Used

Automatic Level Control (ALC) Pump (Component Side)


Object Number: 73234  Size: CH

Connector Part Information

    • 12059472
    • 7-Way F Metri-Pack Mixed Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

WHT

320

Automatic Level Control Exhaust Solenoid Control

C

ORN

1840

Battery Positive Voltage

D

YEL

321

Automatic Level Control Relay Coil Supply Voltage

E

ORN

1840

Battery Positive Voltage

F

--

--

Not Used

G

BLK

1350

Ground

Automatic Level Control (ALC) Timer Relay


Object Number: 73241  Size: CH

Connector Part Information

    • 02965977
    • 8-Way F 56 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1267

Automatic Level Control Reset Signal

B

LT BLU

1298

Automatic Level Control Inflation Timer Relay Output - N.C. Contact

C

DK BLU

1249

Automatic Level Control Inflator Solenoid Valve Supply Voltage

D

ORN

1840

Battery Positive Voltage

E

YEL

321

Electronic Level Control Relay Output - Coil

F

BLK

1250

Ground

G

--

--

Not Used

H

BLK

1350

Ground