Vent/Air on 1994 Buick Roadmaster

Why does vent keep running when I turn power off and turn car off?

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1 answer 1 comment
There could be a couple reasons for the blower fan to keep running. Ideally you'll want a wiring diagram and a voltmeter to diagnose this problem to determine what is wrong. Or take it to a shop and have them diagnose it for you.
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Yea, I figured as much, thanks.