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!998 Chevy Blazer LT-4wd A/C-Htr controls don't ...
Sent to Car Experts October 01 11:50 AM

!998 Chevy Blazer LT-4wd   A/C-Htr controls don't work-- Air Conditioning is on and
I can't shut it off-- I have no heat and the fan control knob does not work either.
It says " Computer Controled Climate " on the front panel of the dash under the
control knobs. Is there a control module someplace I can check ?--- All fuses are good
Help !!!!

 

Optional Information:
1998 Chevrolet Blazer 4.3 Vortec

Already Tried:
fuses are ok, engine is ok

Customer (name blocked for privacy)
Status:  Closed   Value: $10
Answer
October 1 12:49 PM (59 minutes later)
         
ACCEPTEDCheck Mark

The unit where all the A/C controls are is actually the computer/control module and that is likely your problem.

Something you can try though.

Disconnect the battery for about 30 minutes.

I also own a 98 Blazer with ATC and it has gone flakey a couple of times when I had a bad battery connection and I was able to reset it that way.



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