why doesnt my heater or ac work

Asked by 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

36,715

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.

Your Answer

Add photo

Related Questions

  • my 2001 chevy Blazer heater will not work, the AC works great but no heat 1 answer

    the AC works great but when i turn the knob to heat it still blows cold air

    2001 Chevrolet Blazer 4 Door LS

    -

    Maintenance & Repair

  • why my heater dosen't work 1 answer

    heater works when first cranked and sitting still then when you drive it becomes cold what is the problem

    1997 Chevrolet Blazer 4 Door LT

    -

    Maintenance & Repair

  • heater 6 answers

    The heat in my blazer only blows cold air unless I'm on the highway then it works fine. Don't want to but my parts until I know what to get. Any of you know what I should do?

    2000 Chevrolet Blazer 4 Door LT 4WD

    -

    Maintenance & Repair

  • THe Switcher for the heater/AC wont work? 3 answers

    The switcher thingy (don't know what its called, modulator or something like that) wont work. When we switch from front cabin panel vent heat to windshield heat it doesn't change and still blows from ...

    2000 Chevrolet Blazer 4 Door Trailblazer 4WD

    -

    Maintenance & Repair

  • Speedometer doesnt work sometimes..WHY???? 12 answers

    What could be wrong with my speedometer if it only works sometimes? How do you fix it?

    Chevrolet C/K 1500

    -

    Maintenance & Repair

Search Chevrolet Blazer Questions

Chevrolet Blazer Experts

#1 Andrew Olsen
Andrew Olsen
Reputation 1,920
#2 yetilikesbeer
yetilikesbeer
Reputation 1,210
#3 Rowefast
Rowefast
Reputation 910
View All

Related Models For Sale

Used Chevrolet Tahoe
606 Great Deals out of 27,658 listings starting at $600
Used Chevrolet S-10
4 Great Deals out of 1,419 listings starting at $1,995
Used Chevrolet Silverado 1500
1,955 Great Deals out of 159,915 listings starting at $1,995
Used GMC Jimmy
237 listings starting at $2,295
Used Ford Explorer
722 Great Deals out of 74,483 listings starting at $750
Used Ford F-150
2,433 Great Deals out of 210,087 listings starting at $895
Used Chevrolet Camaro
132 Great Deals out of 35,349 listings starting at $1,995
Used Chevrolet Suburban
379 Great Deals out of 18,571 listings starting at $1,795
Used Jeep Grand Cherokee
817 Great Deals out of 69,759 listings starting at $995
Used Chevrolet Impala
559 Great Deals out of 28,756 listings starting at $1,595
Used GMC Yukon
392 Great Deals out of 16,290 listings starting at $1,800
Used Chevrolet C/K 1500
878 listings starting at $2,500

Used Cars For Sale

2003 Chevrolet Blazer For Sale
98 listings starting at $3,450
2001 Chevrolet Blazer For Sale
166 listings starting at $1,995