GM Service Manual Online
For 1990-2009 cars only
Table 1: Fan Motor
Table 2: Fan Resistor
Table 3: Refrigerant Pressure Switch

Fan Motor


Object Number: 334401  Size: CH

Connector Part Information

    • 90980-10928
    • GRY

Pin

Wire Color

Function

1

WH/RD

Fan Motor Control Circuit

2

BK/RD

Fan Motor Feed Circuit

Fan Resistor


Object Number: 334401  Size: CH

Connector Part Information

    • 90980-10928
    • GRY

Pin

Wire Color

Function

1

WH/BK

Ground

2

BU/WH

Low Speed Fan Control Circuit

Refrigerant Pressure Switch


Object Number: 334403  Size: CH

Connector Part Information

    • 90980-10943
    • GRY

Pin

Wire Color

Function

1

YE

Pressure Signal to PCM

2

WH/BK

Ground

3

LT GN/BK

High Speed FanControl

4

WH/BK

Ground