Question about 2002 Chevrolet TrailBlazer

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The blower on my 2002 Chevy Trailblazer was not working, I replaced the resistor and it worked on settings 1,2,4 &5. when I replaced the resistor I noticed that one of the leads was burned and the wire block into the resistor was partialy melted. The blower has stopped workin again. I looked at the new resistor and the situation is the same as the original. I did notice when I replaced the resistor and tested the system that the resistor was hot to the touch. Is this normal? Could the situation be remedied by changeing the wire block as well?

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Yes the resistor is going to be hot to the touch, unless you run the blower on high which bypass the resistors to give the blowers a full 12 volts. You could try replacing the wire block and harness just to make sure there is no short in the system that is bleeding off and grounding. 
Good luck and hope this helps. 

Posted on Jul 23, 2009

  • april leforestier
    april leforestier Mar 14, 2014

    already replaced resistor for the blower even unplugged everything an it still did it

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