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Non working raditor fan

(1990 Pontiac Trans Sport)
in Jackson, MI on July 13, 2009
what causes a radiator fan to quit working an where are the items located I need to check
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Popular Answer
Check the rust colored fuse links fist, they supply power to the cooling fan relay. When the cooling fan relay is actuated it supplies power to the black/red wire at the cooling fan motor use a fuse jumper wire and supply direct power to the black/red wire at the cooling fan motor the motor should run (black wire at motor is constant ground). Check the 10 Amp ign fuse in the fuse box it operates the actuating side of the cooling fan relay. The ECU grounds the cooling fan relay based on coolant temperature.
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