Question about 2002 Chevrolet TrailBlazer

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Air conditioner blower not operating. Checked fuse. It is good.

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If its the climate contol knobs, 1-5 dial speed ,i had no air or heat! my blower not working .there is a heater-blower relay located on blower motor housing. take off cover below glove compartment. you can go to auto zone for $30 and get one plug in the pigtails. you can also check blower motor with a voltmeter,but i didnt have.So 3 screws i took off and blower motor came down. i hooked 2 alligator clips to blower motor and touched 2 to the battery 1 to positive and 1 to negative ,blower motor spun . it was good ,relay was bad. $30 CHEAP FIX AND 1 HOUR OF CRAMPED SPACE !!! THIS IS FOR MANUAL KNOBS

Posted on Jul 14, 2010

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