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Why would my heat and defrost only work on speed.
2003 FORD EXPEDITION
Why would my heat and defrost only work on speed 4(the highest)?
Friday, January 18th, 2013 AT 6:52 PM
Chances are the blower motor resister needs replaced. It is common to only have the high speed work when they fail.
Friday, January 18th, 2013 AT 6:53 PM
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