GM Service Manual Online
For 1990-2009 cars only
Table 1: Coolant Level Switch
Table 2: Cooling Fan

Coolant Level Switch


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

YE/BK

68

Low Coolant Level Indicator Signal

B

PK

439

Ignition 1 Voltage

Cooling Fan


Object Number: 684799  Size: CH

Connector Part Information

    • 12077900
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-BU

409

Cooling Fan Motor Supply Voltage

B

BK

1050

Ground