Question about 2004 Chevrolet Colorado

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2004 Colorado Air Conditioner/Heater Blows on Full Power Only

My heater and air conditioner only blows on high.

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  • Anonymous Feb 05, 2009

    the blower only works on high

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I had the same problem, but the problem was not the resistor. If I jiggle the connector, speeds 1~3 will work. Physically removed the connector and found one of the leads is burned. So, problem is either the resistor or the connector. Jiggle the connector that connects to the resistor to see if it starts to work.

Posted on Feb 04, 2009

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Same problem

Posted on Feb 02, 2009

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Replace the blower motor speed control resistor, it is the only thing that will cause this.

Posted on Jan 17, 2009

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