GM Service Manual Online
For 1990-2009 cars only
Connector 1: Automatic Level Control (ALC) Compressor
Connector 2: Automatic Level Control (ALC) Compressor Relay
Connector 3: Automatic Level Control (ALC) Inflator Air Switch
Connector 4: Automatic Level Control (ALC) Inflator Solenoid
Connector 5: Automatic Level Control (ALC) Sensor

Automatic Level Control (ALC) Compressor


Object Number: 655689  Size: CH

Connector Part Information

  • OEM: 12129600
  • Service: 15306162
  • Description: 4-Way M Metri-Pack 280 Series Sealed (D-GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Automatic Level Control (ALC) Compressor

Pin

Wire Color

Circuit No.

Function

A

BK

--

Ground

B

RD

--

Automatic Level Control Compressor Supply Voltage

C

WH

--

Auto Level Control Exhaust Solenoid Control

D

BU

--

Battery Positive Voltage

Automatic Level Control (ALC) Compressor Relay


Object Number: 535912  Size: CH

Connector Part Information

  • OEM: 12110787
  • Service: Service by Harness - See Part Catalog
  • Description: 4-Way F Metri-Pack 150 Series (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Automatic Level Control (ALC) Compressor Relay

Pin

Wire Color

Circuit No.

Function

30

OG

--

Battery Positive Voltage

85

YE

--

Battery Positive Voltage

86

OG

--

Automatic Level Control Relay Control

87

RD

--

Automatic Level Control Compressor Supply Voltage

Automatic Level Control (ALC) Inflator Air Switch


Object Number: 39665  Size: CH

Connector Part Information

  • OEM: 12089248
  • Service: 12102900
  • Description: 4-Way F Metri-Pack 150 Series (NA)

Terminal Part Information

  • Terminal/Tray: 12064971/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Automatic Level Control (ALC) Inflator Air Switch

Pin

Wire Color

Circuit No.

Function

A

OG

840

Battery Positive Voltage

B

--

--

Not Used

C

L-BU

1770

Automatic Level Control Inflator Indicator Control

D

WH

1245

Automatic Level Control Inflation Timer Control

Automatic Level Control (ALC) Inflator Solenoid


Object Number: 684795  Size: CH

Connector Part Information

  • OEM: 12052643
  • Service: 12101858
  • Description: 2-Way F Metri-Pack 150 Series Sealed (RD)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Automatic Level Control (ALC) Inflator Solenoid

Pin

Wire Color

Circuit No.

Function

A

BU

--

Battery Positive Voltage

B

GN

--

Automatic Level Control Inflator Solenoid Control

Automatic Level Control (ALC) Sensor


Object Number: 831368  Size: CH

Connector Part Information

  • OEM: 15326836
  • Service: 88986255
  • Description: 8-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Automatic Level Control (ALC) Sensor

Pin

Wire Color

Circuit No.

Function

A

WH

320

Automatic Level Control Exhaust Solenoid Control

B

YE

321

Automatic Level Control Relay Control

C

BK/WH

151

Ground

D

YE

843

Accessory Voltage

E

L-BU

1770

Automatic Level Control Inflator Indicator Control

F

WH

837

Automatic Level Control Inflator Solenoid Control

G

WH

1245

Automatic Level Control Inflation Timer Control

H

OG

840

Battery Positive Voltage