Question about 2004 Chevrolet TrailBlazer

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2004 chevy trail blazer, frt. blower motor runs with engine off, ignition key removed from switch.

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Hello: Look under the dash on the passenger side. You will see a small (apptoximately 2in by 4 in located close to the blower motor it is the power module for the blower motor, unplug it so you don't run the battery down till you get it replaced.

Posted on Nov 10, 2010

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Replace the relay for this motor if you are talking about the heater blower. The contacts in the relay have fused together.

Posted on Nov 10, 2010

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