Question about 2001 Ford F250 Super Duty Super Cab

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Fan stays running with key off. Have changed

Fan stays running with key off. Have changed ignition switch- same problem. 2001 Ford Superduty . No other accessories have power.

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  • pnolff Jan 31, 2010

    Bought the truck used in 04. No check engine light. I can only assume it is on all night. I notice it is on when I turn off the truck and that is when I turn off the heater switch. Sometimes I get out and don't pay any attention so it might be running.

  • William Thompson
    William Thompson May 11, 2010

    does it stay running continuously like all day or night? do you have a service engine soon light on? have you owned the vehicle since it was new?



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Which fan? if you are talking about the engine fan, it will run on until the temperature drops, but if you are talking about the heater fan, thats not right

Posted on Feb 01, 2010


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This could be leading to other problems, fix it first. Under 20.00 on eBay w/1 yr. warranty-others available too.

I note it does have 15 terminals, that's a lot of variable controls for an ignition switch.

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