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

Coolant Level Switch


Object Number: 237066  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit Number

Function

A

L-GN

1478

Coolant Level Switch Signal

B

BK/WH

451

Ground

Cooling Fan Clutch


Object Number: 632357  Size: CH

Connector Part Information

    • 15326829
    • 6-Way F 150 Sealed

Pin

Wire Color

Circuit Number

Function

A

BK/WH

1120

Clutch Control

B

GY

2365

5 Volt Reference

C

D-BU

2364

Cooling Fan Speed Signal

D

PU

719

Low Reference

E

BK

450

Ground

F

--

--

Not Used