Question about 2003 GMC Yukon XL

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The heater fan in my 2003 GMC Yukon XL will not turn off, even after the key is turn off, and the door is opened.

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  • Amickens Dec 17, 2008

    I'm having the same problem on my 2001 yukon SLT. Need to help please!

  • jbartsch Dec 20, 2008

    I have the same problem except I have a 2004 chev Monte Carlo LS. I have checked all the fuses they are fine, But when I take the Heater Blower fuse out it shuts off completely, I have my thoughts that it is Fan Control 1 relay fuse but am not sure. Any and all help would be greatly Appreciated,

    Thank you!
    Justin.

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I don't know if you already fixed it, but I had the same problem on my 03 yukon, TysonRicky is right. In my case it was the blower control module. You can find it right under the glovebox. It cost me close to $100 for a new one, but very easy to replace. Can't even imagine how much it would've cost me if I had a mechanic do it.

Posted on May 19, 2009

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Its your blower control module( resistor ) a fancier way of calling it a resistor. Its located where the resistor would be, by the blower motor. it has three wires connecting to it. You cant tell if its burnt out by looking at it. Is it the digital dual dial type? If it is , then thats your problem.

Posted on Apr 19, 2009

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This failure occured on my Yukon while still under warranty. Dealership replaced a fan relay located in the back, which allows for two-way control. Hope this helps.

Posted on Feb 04, 2009

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