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Fan cutting on while car not running

Floyd Sarver

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When the fan is running when it is not supposed to be, disconnect the fan switches and temp sensors one at a time. I can't remember if there is a high temp safety on feature in your fan control module. I know my car has this but it's tied to an oil temp switch that you do not have. If you find disconnecting a particular fan switch or sensor stops the fans, then focus your investigation there. Could be anything from bad switch or sensor to a bad connection or short. If disconnecting all of them does nothing, then look for a short or open to the control module. Then try swaping control modules.

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