GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Rear Axle Connector End Views
Table 1: Rear Axle Driver Control Switch - Two Speed (HPZ/Automatic Transmission)
Table 2: Rear Axle Driver Control Switch - Two Speed (HPZ/Manual Transmission)
Table 3: Rear Axle Shift Motor - Two Speed (HPZ)
Table 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
    • 12177194
    • 6-Way F Metri-Pack 150 Series (NA)

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
    • 12047662
    • 2-Way F Metri-Pack 150 Series (BK)

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
    • 12020737
    • 3-Way F (BK)

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

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