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Thread: fan relay's

  1. #1
    Junior Member
    Join Date
    Dec 2007
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    texas
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    34

    pewter
    2000 pontiac trans am ws-

    fan relay's

    i have a 2000 ws-6 and my car is overheating i think it might be a fan relay, my car has 3 relay's for the fan, fan 1, fan 2, and fan 3 does anybody know what relay controls what fan or why is there are 3 relays, can anyone please help?

  2. #2
    Senior Member Cutlass's Avatar
    Join Date
    Apr 2008
    Location
    Madison, WI
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    7,006

    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    fan relay 1 is for low speed fan operation. It runs the fans in series.
    fan relay 2 and 3 is for high speed fans operation.
    Low speed comes on at 226 degrees, high speed comes on at 234 degrees

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