GM Service Manual Online
For 1990-2009 cars only
Connector 1: Automatic Level Control (ALC) Compressor (G67)
Connector 2: Automatic Level Control (ALC) Compressor Relay (G67)
Connector 3: Automatic Level Control (ALC) Inflator Air Switch (G67 w/o Z10)
Connector 4: Automatic Level Control (ALC) Sensor (G67)
Connector 5: Automatic Level Control (ALC) Solenoid Valve (G67 w/o Z10)

Automatic Level Control (ALC) Compressor (G67)


Object Number: 816167  Size: CH

Connector Part Information

  • OEM: 12059472
  • Service: 12101830
  • Description: 7-Way F 150/280 Series GT (BK)

Terminal Part Information

  • Pins: A-D
  • Terminal: 12048074/Tray 2
  • Core/Insulation Crimp: Pins A, D: 2/1
  • Core/Insulation Crimp: Pins B,C: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)
  • Pins: E, G
  • Terminal: 12048451/Tray 2
  • Core/Insulation Crimp: F/3
  • Release Tool/Test Probe: 12094430/J-35616-40 (BU)

Automatic Level Control (ALC) Compressor (G67)

Pin

Wire Color

Circuit No.

Function

A

RD/WH

140

Battery Positive Voltage

B

WH

320

Automatic Level Control Exhaust Solenoid Control

C

RD/WH

140

Battery Positive Voltage

D

YE

321

Automatic Level Control Relay Control

E

RD/WH

140

Battery Positive Voltage

F

--

--

Not Used

G

BK

350

Ground

Automatic Level Control (ALC) Compressor Relay (G67)


Object Number: 535912  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal: 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 (G67)

Pin

Wire Color

Circuit No.

Function

30

OG

--

Battery Positive Voltage

85

YE

--

Automatic Level Control Relay Control

86

OG

--

Battery Positive Voltage

87

BK/GN

--

Automatic Level Control Compressor Control

Automatic Level Control (ALC) Inflator Air Switch (G67 w/o Z10)


Object Number: 39660  Size: CH

Connector Part Information

  • OEM: 12047785
  • Service: 12102900
  • Description: 4-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Pins: A, D
  • Terminal: 12047767/Tray 2
  • Core/Insulation Crimp :E/A
  • Release Tool/Test Probe: 1294429/J-35616-2A (GY)
  • Pins: C
  • Terminal: 12064971/Tray 5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Automatic Level Control (ALC) Inflator Air Switch (G67 w/o Z10)

Pin

Wire Color

Circuit No.

Function

A

RD/WH

140

Battery Positive Voltage

B

--

--

Not Used

C

L-BU

1770

Automatic Level Control Inflator Indicator Control

D

WH/BK

1245

Automatic Level Control Inflation Timer Control

Automatic Level Control (ALC) Sensor (G67)


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

Automatic Level Control (ALC) Sensor (G67)

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

350

Ground

D

YE/BK

643

Accessory Voltage

E

L-BU

1770

Automatic Level Control Inflator Indicator Control

F

WH

837

Automatic Level Control Inflator Solenoid Control

G

WH/BK

1245

Automatic Level Control Inflation Timer Control

H

RD/WH

140

Battery Positive Voltage

Automatic Level Control (ALC) Solenoid Valve (G67 w/o Z10)


Object Number: 644900  Size: CH

Connector Part Information

  • OEM: 2984951
  • Service: 12102686
  • Description: 2-Way F 56 Series (BK)

Terminal Part Information

  • Terminal: 12124515/Tray 1
  • Core/Insulation Crimp: C/D
  • Release Tool/Test Probe: 12094430/J-35616-42 (RD)

Automatic Level Control (ALC) Solenoid Valve (G67 w/o Z10)

Pin

Wire Color

Circuit No.

Function

A

WH

837

Automatic Level Control Inflator Solenoid Control

B

RD/WH

140

Battery Positive Voltage