GM Service Manual Online
For 1990-2009 cars only
Table 1: Steering Angle Sensor
Table 2: Variable Effort Steering Actuator (w/ NV7)
Table 3: Variable Effort Steering Actuator (w/o NV7)

Steering Angle Sensor


Object Number: 40427  Size: CH

Connector Part Information

    • OEM: 12064978
    • Service: 12125678
    •  6-Way F Micro-Pack 100 Series (GY)

Pin

Wire Color

Circuit No.

Function

1

GY/BK

1337

5 Volt Reference

2

L-GN/BK

1338

Low Reference

3-4

--

--

Not Used

5

L-GN

1763

Steering Wheel Position Signal A

6

L-BU

1764

Steering Wheel Position Signal B

Variable Effort Steering Actuator (w/ NV7)


Object Number: 1420683  Size: CH

Connector Part Information

    • OEM: 963040-1
    • Service:
    • 2-Way F Junior Power Timer Series (BU)

Pin

Wire Color

Circuit No.

Function

1

GY

1787

Variable Effort Steering Actuator High Effort Control

2

WH

345

Variable Effort Steering Actuator Low Effort Control

Variable Effort Steering Actuator (w/o NV7)


Object Number: 1283850  Size: CH

Connector Part Information

    • OEM: E3550
    • Service:
    • 2-Way F Sealed 1.5 mm (BK)

Pin

Wire Color

Circuit No.

Function

1

GY

1787

Variable Effort Steering Actuator High Effort Control

2

WH

345

Variable Effort Steering Actuator Low Effort Control