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  1. HVAC Issue

    OEM Issues
    If my Freon leaked down would that stop the heat from working? A little back story. About 2 weeks ago driving along with a/c on. Had a foul smell inside the passenger compartment, after a minute or two the air stopped. I'm going to guess that the smell was a Freon leak, didn't smell electrical...
  2. Hvac issues

    The 02-09 "How-To" and DIY Section
    The blower motor in my 2005 trailblazer quit working. I went through and found that the harness was cooked on one wire and the resistor was shot so I went to the dealer and bought a new one. I went to the dealer because I found many different kinds out there and they confused me a bit. The...
  3. No Heat when starting TB with remote start only when key turn

    Audio and Electronics
    I installed an Autopage CS-RS-730 remote starter in my 04 TB about 2 years ago. Upon exiting the car I would select the thermostat on setting 4 and position the other thermostat control to the windshield so that when I started the car in the morning it would defrost my window. All worked well...
  4. Dash lighting up like a Christmas Tree!

    General
    Have a strange situation. My 04 LT all of a sudden in the middle of the day decided to light up the "Service 4WD", ABS, and brake warning lights on my dash. And both front and rear heaters stopped working. I have the dual manual heater controls (not the digital display). As far as I can tell the...
  5. Blower Moter Replacement? Duluth Area?

    Southeast
    (I meant MOTOR up there but it won't let me change it) Hi everyone! The ac blower has stopped working on my 06 Envoy Denali..all the "bells and whistles" show on the dash but no air movement. If I supply the parts, is there anybody available to fix it for me? I hate to sound like such a "girl"...
  6. [SOLVED] UNSOLVED 04 ascender bad accel pedal pos. sensor and blower motor will not shut off

    The 02-09 "How-To" and DIY Section
    I have replaced the accelerator pedal which holds the sensor. N it's still showing the same code, which has been reset, n it automatically turns the engine light on and it also goes into reduced power mode sporadically. Now just the other day the hvac blower won't shut off..I have to pull the...
  7. [SOLVED] No High Speed HVAC Blower

    The 02-09 "How-To" and DIY Section
    PLEASE NOTE: THIS ISSUE IS NOT SOLVED BUT THE SYSTEM WOULD NOT ACCEPT MY POST WITHOUT A PREFIX AND "SOLVED" IS THE ONLY CHOICE. Hi everyone! Well first of all my 02 LTZ found its way into a multiple vehicle wreck on July 30, 2012 and now resides in a salvage yard somewhere. Thankfully nobody was...
  8. P0410 code and blower problems

    OEM Issues
    I have 2005 Envoy sle I have a P0410 code I have look at acouple of threads so I know some what what to do for that but I also have a problem with the heater/AC when the truck is running and you turn on the heater or AC it acts as if it is going to bog out Im not sure what to do. It doesn't...
  9. 02 TB-No low blower speeds 1-3. 4&5 work.

    General
    2002 Trailblazer. Speeds 1,2,3 do not work on heater fan blower. High positions 4 and 5 work fine. Switch, blower motor, something else...? Thanks!
  10. Resistor FIX

    Resistor FIX

    Old vs. New Resistor Pack for blower/fan no wonder 1,2,3,4 didnt work and 5 shorted out the voltage to 11 haha YIKES
  11. 2004 Trailblazer EXT rear blower controls

    General
    Maybe something was lost in translation from the manual to my head but I am not even sure how/when the rear blower is supposed to kick on. And also which vents the air should be coming out of in the 2nd and 3rd rows. 2004 TB EXT LS with 'manual' climate control. I think when the dial on the...
  12. Blower not working

    General
    I recently purchased my 03 Trailblazer EXT 4.2L. The front heat and air did not work from day one. We survived summer with the HVAC 2 and open windows/sunroof. The many posts I have read seem to indicate that the problem is likely a dead blower or blower resistor module or faulty wiring. The...
  13. 2003 Blazer EXT....no heat no ac? open to suggestions

    Interior
    My 03 ext climate control unit will not function at all, whether its on 1-5 manual speeds or on auto climate control. It stopped working few days ago and since then nothing has worked except for one instance where the fan kicked on full blast for a min or so but then stopped again. I have read...
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