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Author Topic: AC/Heater fan issue  (Read 2661 times)

DirtyD

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AC/Heater fan issue
« on: October 06, 2012, 06:39:38 PM »
I checked fuses 18-19-20 and the K7 relay, they are fine but my ac/heater fans still don't work. Last thing I remember about them as they were starting to go out is sometimes they would kick back on if I hit a big bump or pot whole. I don't know if that helps or not.

Any suggestions? the heat from my transmission and engine are not enough.... :D
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DesktopDave

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AC/Heater fan issue
« Reply #1 on: October 06, 2012, 08:57:51 PM »
I'd check the fan switch with a multi-meter.  You have the electrical troubleshooting manual, right?
 
If not, google wedophones bmw manuals and you'll get to the page.  There's a version of it posted in the reference section of this site as well.  I also use the '92 ETM as the '91 version is missing a few pages.
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DirtyD

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AC/Heater fan issue
« Reply #2 on: October 09, 2012, 08:14:33 PM »
I don't have a multi-meter but I do know someone who I can borrow one from. Is there anything else I should check until then?
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