were is fan switch located on 2002 gran prix

5

Asked by Jul 08, 2014 at 08:09 PM about the 2002 Pontiac Grand Prix

Question type: Maintenance & Repair

1 Answer

71,775

The radiator cooling fans are commanded on by the computer when the engine coolant temperature reaches a certain point or you select "max a/c" on the dash board climate controls. The coolant temperature sensor sends that information to the computer. If they're not working, check the relays in the underhood fuse box. There's 3 for the fans. One for each fan (4 pin) then another (5 pin) for both fan's high speed. HTH. -Jim

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