I own a 1999 Ford Mercury and my A/C only works when its turned on three (which is the highest setting) Any idea why that could be?
Aug 21, 2010 at 9:22 PM
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WRENCHTECH
CAR REPAIR CONTRIBUTOR
20,761 POSTS
Yes, that is going to be a bad blower motor resister. It should located under the dash on the passenger side, next to the blower motor although you didn't list the model you have.