GM Service Manual Online
For 1990-2009 cars only
Connector 1: Rear Axle Driver Control Switch - Two Speed (HPZ/Automatic Transmission)
Connector 2: Rear Axle Driver Control Switch - Two Speed (HPZ/Manual Transmission)
Connector 3: Rear Axle Shift Motor - Two Speed (HPZ)
Connector 4: Rear Axle Shift Relay - Two Speed (HPZ)

Rear Axle Driver Control Switch - Two Speed (HPZ/Automatic Transmission)


Object Number: 40446  Size: CH

Connector Part Information

  • OEM: 12177194
  • Service: 15305927
  • Description: 6-Way F Metri-Pack 150 Series (NA)

Terminal Part Information

  • Terminal/Tray: 12129484/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Rear Axle Driver Control Switch - Two Speed (HPZ/Automatic Transmission)

Pin

Wire Color

Circuit No.

Function

A

BK

750

Ground

B

BK

750

Ground

C

GY/BK

1467

Shift Motor Relay - Control

D

PK

239

Ignition 1 Voltage

E

BN

2509

Left Rear Park Lamps Supply Voltage

F

GY/BK

1467

Shift Motor Relay - Control

Rear Axle Driver Control Switch - Two Speed (HPZ/Manual Transmission)


Object Number: 82383  Size: CH

Connector Part Information

  • OEM: 12047662
  • Service: 12085535
  • Description: 2-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

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

Rear Axle Driver Control Switch - Two Speed (HPZ/Manual Transmission)

Pin

Wire Color

Circuit No.

Function

A

GY/BK

1467

Air Shift Switch Signal

B

BK

250

Ground

Rear Axle Shift Motor - Two Speed (HPZ)


Object Number: 309547  Size: CH

Connector Part Information

  • OEM: 12020737
  • Service: See Catalog
  • Description: 3-Way F (BK)

Terminal Part Information

  • Terminal/Tray: 12124582/1
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 12014012-1/J-35616-9 (OG)

Rear Axle Shift Motor - Two Speed (HPZ)

Pin

Wire Color

Circuit No.

Function

A

L-BU

1469

Shift Motor Control - High Gear

B

BK

350

Ground

C

L-GN

1466

Shift-Signal

Rear Axle Shift Relay - Two Speed (HPZ)


Object Number: 39685  Size: CH

Connector Part Information

  • OEM: 12110539
  • Service: 12166225
  • Description: 5-Way F Metri-Pack 280 Series, Flexlock, Sealed (BK)

Terminal Part Information

  • Pins: 30, 86, 87, 87A
  • Terminal/Tray: 12110845/4
  • Core/Insulation Crimp: A/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: 85
  • Terminal/Tray: 12110847/4
  • Core/Insulation Crimp: C/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Rear Axle Shift Relay - Two Speed (HPZ)

Pin

Wire Color

Circuit No.

Function

30

BN

241

Ignition 3 Voltage

85

GY/BU

1467

Shift Motor Relay - Control

86

BN

241

Ignition 3 Voltage

87

L-BU

1469

Shift Motor Control - High Gear

87A

L-GN

1466

Shift-Signal