GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 GMC C-Series Medium Duty Truck B7 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Rear Axle Connector End Views
Table 1: Rear Axle Air Shift Switch -- Two Speed (HR1/HR2) Connector
Table 2: Rear Axle Driver Control Switch - Two Speed (HPZ) Connector
Table 3: Rear Axle Shift Motor -- Two Speed (HPZ) Connector
Table 4: Rear Axle Shift Relay -- Two Speed (HPZ) Connector

Rear Axle Air Shift Switch -- Two Speed (HR1/HR2) Connector


Object Number: 258230 Size: CH

Connector Part Information
    • 12065298
    • 4-Way F Metri-Pack 150 Series, Sealed (BRN)

Pin

Wire Color

Circuit No.

Function

A

BRN

441

Ignition 3 Voltage

B

GRY/BLK

1467

Air Shift Switch Signal

C-D

--

--

Not Used

Rear Axle Driver Control Switch - Two Speed (HPZ) Connector


Object Number: 82383 Size: CH

Connector Part Information
    • 12047662
    • 2-Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

1467

Shift Motor Relay - Control

B

BLK

150

Ground

Rear Axle Shift Motor -- Two Speed (HPZ) Connector


Object Number: 309547 Size: CH

Connector Part Information
    • 12020737
    • 3-Way M Weather Pack Tower Type (BRN)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1469

Shift Motor Control - High Gear

B

BLK

150

Ground

C

LT GRN

1468

Shift Motor Control - Low Gear

Rear Axle Shift Relay -- Two Speed (HPZ) Connector


Object Number: 39685 Size: CH

Connector Part Information
    • 12110539
    • 5-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

30

BRN

441

Ignition 3 Voltage

85

BRN

441

Ignition 3 Voltage

86

GRY/BLK

1467

Shift Motor Relay - Control

87

LT BLU

1469

Shift Motor Control - High Gear

87A

LT GRN

1468

Shift Motor Control - Low Gear