1997 Ford F150 Regular Cab Logo
Posted on Jan 16, 2010
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Problem with high beams

High beams aren't working properly they come on when it is cold but go off when they get hot or when im using the plow

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  • Posted on Jan 19, 2010
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Sounds like the MFS ( MultiFunction Switch / turn signal lever ) or the MFS connector at the base of the steering wheel column ( behind the knee panel ) is being overloaded.
Are the plow lights hooked to the truck's or is there a relay operating them ?

I am guessing a heated contact type overload. Check the connector for the MFS behind the knee panel to make sure it is not pulled apart. You might want to unplug it, to check the pins for discoloration, if so clean them, and tie the connector together, and pull slack from the truck harness side, and wire tie to a knee panel support.

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