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  1. #11
    Jr. Apprentice
    Join Date
    Sep 2010
    Near Kankakee, Illinois


    At this point in time you might also want to think about what overloaded the resistor.

    If the blower hasn't been changed this would be a good time to change it. Also wash out the AC coil and heater core while your there.

    The wiring feeding the blower motor is a little on the light duty side.

    Add a ground from the blower to the dash pivot bolt while you're at it.

    There is a plug there feeding the blower motor. The wires here frequently have the coating heat damaged & unless it has been replaced they will eventually fail.

    I use a 1/4" Craftsman cordless ratchet for a lot of the hard to reach spots.

    The other tool I use is a little ratchet that accepts 1/4" hex bits. I got it out of the bargain bin at Napa for $4. I know that stuffs made in China but I've never seen those anywhere else.

    I believe the screw heads are 7 or 8mm.
    Last edited by jrsavoie; 12-28-2010 at 05:44 AM.
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  2. #12


    Awsome write up man! To bad i come to find out my wireharness is the fault because i can wiggle it around and have it come on but only to go out.. my resistor pack looks fine too. THANKS THO!

  3. #13


    My 1996 Suburban k1500 blower motor works great on speeds 1,2 and 4. I replaced the console climate control switch assembly because the speed control switch was becoming intermittent. Speed three would still not work, so I replaced the resistor pack and noticed that one of the resistor coils looked overheated - blue. Hooked it all back up and still not speed three. I did not notice any burned wires and the connectors were not melted or burned looking. My Suburban has 255,000 miles on it, so I know it is going to have weird issues. Any ideas on what might be wrong?

  4. #14


    This was a huge help! I stumbled across this in a google search. Looking for an easier way to get this done than what both the Haynes and Chilton books said. I wasn't wanting to tear the whole dash out to replace the resistor.

  5. #15
    Jr. Apprentice
    Join Date
    May 2009
    Ridgecrest, CA


    Im glad that this was a great help to all. I have since sold "Big Bubb" but I hope that this will continue to help all that come in search of knowledge and help. Until I buy my next one, keep it real fella's.

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