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Old 03-25-2010, 12:54 PM   #1
hockeyfan27
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Aux fan testing

So I think my AUX fax is dead but I want to be sure before I go about replacing it.

When I turn on my A/C it should come on, correct?

Thanks!
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Old 03-25-2010, 01:21 PM   #2
Dr. Flyview
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Yes, I believe it should. Make sure you check the fuse, and try a different one even if it looks ok.

Another way to test is to disconnect the temp sensor that turns it on (plugged into passenger side of radiator) and then play with the 3 holes it has. When you connect 2 of them, it should turn on. I don't think you can harm anything by trying all combinations, there's 2 positives (2 speeds) and 1 ground/negative. You short circuit the switch basically, not the radiator itself.
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