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1999 Pontiac Grand Prix

Question: Is there a way I can find out If the radiator fan sensor switch Is operating?

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612, 3.8L V6, Atlanta, GA, October 13, 2011, 17:56
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Is there a way I can find out If the radiator fan sensor switch Is operating?

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, October 13, 2011, 20:19
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    If it's non supercharged, there is no fan switch, fuses and relays send power to the fan motor, the PCM grounds the motors to operates the cooling fan motor. I sent a wiring diagram to your email address.

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    612, October 13, 2011, 20:32
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    .....thanks.

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    WRIGHTDA, March 09, 2012, 07:26
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    Can I get the diagram too? I have the same issue.

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