why doesnt my heater or ac work

Asked by Linda Oct 09, 2015 at 10:47 PM about the 1999 Chevrolet Blazer

Question type: Maintenance & Repair

replaced the blower motor and resistor and still doesnt work

1 Answer
103,695

Reelin68 answered 9 years ago

I take it you mean the fan still won't blow? Check your fuses and then replace your relays. If those are fine, you may have a faulty climate control. Sometimes the wire on the back of the climate control unit will fall off the back or the entire unit may be bad.

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