GM Service Manual Online
For 1990-2009 cars only
Table 1: Rear Axle Switch-Two Speed (I/P Mounted Automatic Transmission)
Table 2: Rear Axle Switch-Two Speed (Shifter Mounted Manual Transmission)
Table 3: Rear Axle Shift Motor-Two Speed
Table 4: Rear Axle Shift Motor Relay-Two Speed

Rear Axle Switch-Two Speed (I/P Mounted Automatic Transmission)


Object Number: 237080  Size: CH

Connector Part Information

    • 7046-4543
    • 6 Way F Yazaki Connector

Pin

Wire Color

Circuit No.

Function

1

BLK

152

Ground

2

GRY/BLK

151

Rear Axle Driver Control Switch-Two Speed

3

--

--

Not Used

4

BLK/RED

154

Ilumination Control

5

BRN

153

Instrument Panel Lamp Supply Voltage 4

6

--

--

Not Used

Rear Axle Switch-Two Speed (Shifter Mounted Manual Transmission)


Object Number: 339122  Size: CH

Connector Part Information

    • 7323-2831
    • 3 Way F Yazaki Connector

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

21

Rear Axle Driver Control Switch-Two Speed

B

BLK

22

Ground

C

--

--

Not Used

Rear Axle Shift Motor-Two Speed


Object Number: 309547  Size: CH

Connector Part Information

    • 12020737
    • 3 Way M Weather Pack (BRN)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1469

Rear Axle Shift Motor-Two Speed Supply Voltage High

B

BLK

450

Ground

C

LT GRN

1468

Rear Axle Shift Motor-Two Speed Low

Rear Axle Shift Motor Relay-Two Speed


Object Number: 39685  Size: CH

Connector Part Information

    • 12110539
    • 5 Way F Metri-Pack 280 Series Flexlock, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

30

BRN

241

Ignition 3 Voltage

85

BRN

241

Ignition 3 Voltage

86

GRY/BLK

1467

Rear Axle Shift Motor Relay-Two Speed Control

87

LT BLU

1469

Rear Axle Shift Motor-Two Speed Supply Voltage High

87A

LT GRN

1468

Rear Axle Shift Motor-Two Speed Supply Voltage Low