GM Service Manual Online
For 1990-2009 cars only
Table 1: Cooling Fan - Auxiliary
Table 2: Cooling Fan - Main
Table 3: Cooling Fan Control Relay

Cooling Fan - Auxiliary


Object Number: 1500905  Size: CH

Connector Part Information

    • KUM PB 045-02027
    • 2-Way F WWP02F-B Assembly (BK)

Pin

Wire Color

Circuit No.

Function

1

BK

150

Ground

2

PU

532

Cooling Fan Motor Supply Voltage

Cooling Fan - Main


Object Number: 1466989  Size: CH

Connector Part Information

    • AMP 176146-2
    • 2-Way F 187 Series Sealed Connector 2 Pos Plug Hsg Assembly (BK)

Pin

Wire Color

Circuit No.

Function

1

L-BU

504

Cooling Fan Low Reference

2

L-BU

409

Cooling Fan Motor Supply Voltage

Cooling Fan Control Relay


Object Number: 535919  Size: CH

Connector Part Information

    • PED 12110539
    • 9-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1 (86)

GY

473

High Speed Cooling Fan Relay Control

2

--

--

Not Used

3 (30)

L-BU

504

Cooling Fan Low Reference

4-6

--

--

Not Used

7 (87)

BK

50

Ground

8 (87A)

PU

532

Cooling Fan Motor Supply Voltage

9 (85)

PK/BK

1846

Ignition 1 Voltage