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control module

  1. 2002 Envoy rear wiper acting up and weir sound.

    Hi! My 2002 Envoy rear wiper is acting up. Usually when I catch a bump or a road hole, or even with just some vibration the rear wiper begins to make a weird sound (like if it was trying to start wiping and it couldn't), sometimes for long time, or just don't stop at all, and then starts to...
  2. [SOLVED] NOT SOLVED! 2008 Trailblazer Blower Motor Strange issue

    The "How-To" and DIY Section
    Please Help!!!! Ready to bang my head against a wall. I have 4.2L 2008 Trailblazer with auto climate control. Blower stopped blowing at any speed. Took a Voltmeter and tested the pigtail end of the control/resistor and gradual turn up the fan speed. Shows correct voltage and raises to around...
  3. Driver's side heated mirror

    So this past week at the dealership I finally found out why my driver side heated mirror is not working. Last year in January had my car at the dealership and included in the list of work was diagnosing why my driver side heated mirror was out along with my rear window defroster only having the...
  4. Heater control fan/module

    Last summer i replaced the resistor pack on the fan motor for the heat. Everything it tight and works. Periodically the fan will stop turning even when the swithc put on high. this is on a auto climate control system in the tblazer. the control head module has to be turned off then back on...
  5. 4x4 switch/TCCM

    I have been reading other posts about probs with the switch on the dash and/or the TCCM, but what led to repairing/replacing either of those isn't similar to the issue i have. About 2 weeks ago, i turned my truck on and the light on the switch showed it was in 4hi, but the switch was pointing...