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Old 08-01-2013, 01:37 PM
jbach36 jbach36 is offline
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Join Date: Jun 2006
Location: Southeast
Posts: 1,753
How can you test fan blower switch, or blower resister?

I had a previous post that my fan blower automatically changes itself all of the sudden, from low, to high.

As I've learned more, the previous post question is no longer relevant, and a bunch of people have already read that post, so it becomes a "dead post".

I've heard it could be the switch, or the blower motor resister.

How can I test either of these to see which is the problem?

1991 300d, 180k
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