GM Service Manual Online
For 1990-2009 cars only
Table 1: Coolant Level Switch - 8.1L
Table 2: Cooling Fan - Left (10 Series)
Table 3: Cooling Fan - Right (10 Series)
Table 4: Engine Coolant Temperature (ECT) Sensor

Coolant Level Switch - 8.1L


Object Number: 537107  Size: CH

Connector Part Information

    • 12052644
    • 2-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

L GN

1478

Coolant Level Switch Signal

B

BK

550

Ground

Cooling Fan - Left (10 Series)


Object Number: 1509935  Size: CH

Connector Part Information

    • 15454358
    • 2-Way F 630 GT (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

5358

Cooling Fan Motor Control

B

GY

532

Cooling Fan Motor Supply Voltage

Cooling Fan - Right (10 Series)


Object Number: 1509935  Size: CH

Connector Part Information

    • 15454358
    • 2-Way F 630 GT (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

250

Ground

B

L BU

409

Cooling Fan Motor Supply Voltage

Engine Coolant Temperature (ECT) Sensor


Object Number: 666646  Size: CH

Connector Part Information

    • 15336024
    • 2-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

407

Low Reference

2

YE

410

ECT Sensor Signal