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Q: blower not working on 1993 Buick Park Avenue

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My blower on my car has recently stopped working sometimes. If I bang the dash then it comes back on. What's going on? How do I fix?
(1) Answer
Sounds like an electrical connection problem, but it could be any part of the controls for the blower motor or the blower motor itself. You'll need to fault trace the circuit when it stoops working to know for sure. One thing you can do is try isolating where you bang on the dash, try tapping on the blower motor, see if it starts working, this may help to determine where the problem is.
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