Question about 1992 GMC Jimmy

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92 jimmy blower motor wont run

My Blower motor wont run on any setting. I replaced the switch and pigtail connector in the dash for the wiring harness because they were melted together and charred - obviously indicating a short despite the fuse being totally ok - and it still wont work.

I heard it may be the resistor having shorted out or overheated. Is this true? and if so, I can't for the life of me find it; not even my Haynes manual shows where it is.

Any help would be appreciated... It's getting cold up here.

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I had this problem with my blower on the same vehicle. It was the blower it's self was bad. Cost me $26 to get a new one and now it works better than ever. You should try replacing the blower motor or at least test it be hard wiring it to the battery. If you get a responce from it then the problem lays between the blower and the switch. If you get nothing then replace the blower.
Hope this helps.

Posted on Mar 27, 2010

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