2003 Chevy impala heater/ac

Asked by May 01, 2018 at 03:07 PM about the 2003 Chevrolet Impala FWD

Question type: Maintenance & Repair

I have replaced my blower motor resistor and
blower motor checked all the fuses and still yet not
able to find why my heater/ac only turns on when  
it wants to. Any suggestions on how I can resolve
this issue

4 Answers


Sounds like a faulty control head.

@cjsras but the ac/heater control panel all the lights turn on and even the back window defroster works I checked the air and vacuum hoses they are fine


That tells me the lights work, not the switch for the blower motor.

1 people found this helpful.

I replaced the whole panel and still nothing

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