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Blower motor not working. replaced blower motor, relay,and switch. what do i check now, fuse is ok, 1991 chevy s-10

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Did you replace the speed control resistor near the blower motor?

Posted on Sep 28, 2009

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Blower motor does not work


I had the same problem, replace, replace, replace. Check, check and recheck. What I found was the blower motor resistor, located in the blower squirrel cage area, two prongs and a curly wire, was bad. Took the new one back, (it ohmed out okay, continuity ok, all ok!) replaced it with another, and Bingo, problem solved. Frustrating to say the least. After two relays and a blower switch, and test, test and retest. It was a faulty resistor. Made in Mexico. And no guarentee, even though new, it works. Trial and error. Even the dealer parts are Honcho en Mexico. Thanks NAFTA. You gonna make us all welfare babies.

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Blower control switch


do have any power on either wire going to the blower. the power runs from the fuse block through a relay, to the blower, to the resistor block and finally to the dash control. of you have power only on one side of the blower replace the blower. if you have no power at the blower replace the relay.

Hope this helps.

Mike

Jan 07, 2009 | 1995 Chevrolet Caprice Classic

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