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  1. #1
    Sr. Apprentice
    Join Date
    Sep 2012
    North Las Vegas

    Question New electric bug issue

    So now it's cold in Las Vegas, finally, but now when we turn on the heater there is no air out of the front ducts and when I try to switch to recirculating air the light just flashes and keeps the fresh air lit up. Do I have a bad cluster? So that's 2 weird issues with the same temperature control assembly.

    Any thoughs? I just got my LMC catalog in the mail and it's part #37-1083 $249.95 ouch.
    What do you have in your garage?
    02 Burb Z71/97 Blazer LT
    Nuttin but bowties!!!!!!!!!!!!!
    Joshua T

  2. #2


    My gut reaction is that it could be the mode door actuator that's bad.

  3. #3
    Sr. Apprentice
    Join Date
    Sep 2012
    North Las Vegas


    How would you fix that?

  4. #4


    The flashing is a code, if you can get a scanner to access the bcm or hvac system to read.
    01' 1500 LT Z71 ECSB 5.3L
    line-x'd front brush guard with KC Daylighters, 6000k HID lows and highs, rewired highbeams, Trans-go mild shift kit, custom stainless duals, 3500 dually OEM taillights, K&N CAI. Still have OEM fender flairs and leveling kit in boxes waiting for time.

  5. #5


    You fix a bad actuator by ordering another one and removing/replacing the old one.

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