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2001 Chevy Blazer blower motor not working

I have a 2001 Chevy Blazer 4d2wd. I have twice replaced the blower switch and in each case, the switch works for about a month, then stops working on anything but high. Yesterday when I turned the car off, the blower fan kept running after the engine was off. Strange, I thought, but once I opened the door, the blower shut off - just the radio would do. When I restarted the engine, however, the blower would not come on at all. I tried turning the blower fan to different speeds, the AC on and off - nothing... so I shut off the AC and then shut down the engine. When I restarted the car, the blower came on temporarily, but stopped blowing again while I was driving down the road. Today, I can't get it to come on at all. Where should I begin looking to diagnose the problem here?

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It keeps burning out blower resistors because of the blower motor drawing to much amperage so you will need to replace the resistor and blower motor

Posted on Jun 27, 2009

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