Fan Control Problem GM vechicle

Discussion in 'Trucks and Trailers' started by grassmanak, Feb 21, 2006.

  1. grassmanak

    grassmanak LawnSite Senior Member
    Messages: 792

    Anyone else ever have a problem with this. I turn the heater, or the A/C on, and it only blows high, their is no other choices, high or off. when i put it on low or medium, it just blows high. Could this be a problem with a resistor or something??, best way to fix the problem? should i replace all of the heating controls??.

    By the way this is for a 99 suburban base model
  2. Brendan Smith

    Brendan Smith LawnSite Bronze Member
    Messages: 1,195

    most likely resistor problem but could also be blower control module problem depending on climate control options. we have had several of these in the shop over the last several years. if it is a resistor, plan on about 100.00 for repair, depending on dealer labor rate.
  3. grassmanak

    grassmanak LawnSite Senior Member
    Messages: 792

    i will do the install myself, im assuming this is the resitor that is behind the glove box???
  4. vadeere

    vadeere LawnSite Member
    Messages: 249

    My Chevy did about the same thing. It was repaired under warranty along w/ a laundry list of other problems. I'm starting to wonder about their "quality" product.

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