GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C-Series Medium Duty Truck B7 🢒 Driveline/Axle 🢒 Rear Axle Controls 🢒 Rear Axle Connector End Views
Table 1: Two Speed Rear Axle Air Shift Switch
Table 2: Two Speed Rear Axle Shift Actuator (Motor)
Table 3: Two Speed Rear Axle Shift Relay

Two Speed Rear Axle Air Shift Switch


Object Number: 258230 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BRN

441

Fuse Output Ignition

B

GRY/BLK

1467

Two Speed Rear Axle Shift Motor Relay Output-Coil

C-D

--

--

Not Used

Two Speed Rear Axle Shift Actuator (Motor)


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

Two Speed Rear Axle Shift Motor Feed-High

B

BLK

150

Ground

C

LT GRN

1468

Two Speed Rear Axle Shift Motor Feed-Low

Two Speed Rear Axle Shift Relay


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

Fuse Output-Ignition 3-Type III Fuse

85

BRN

441

Fuse Output-Ignition 3-Type III Fuse

86

GRY/BLK

1467

Two Speed Rear Axle Shift Motor Relay Output-Coil

87

LT BLU

1469

Two Speed Rear Axle Shift Motor Feed-High

87A

LT GRN

1468

Two Speed Rear Axle Shift Motor Feed-Low