a/c blower not working

Asked by Jul 30, 2014 at 01:56 PM about the 2004 Pontiac Grand Prix GT1

Question type: Maintenance & Repair

my a/c blower and heater blower, both do not work
;however sometimes when you slam the passengers door it will come on and sometimes
when you go over rrtracks it comes on. can anyone tell me what is goning on. Te fuses
appeared to be fine bu

3 Answers


Loose ground, loose harness somewhere. It's also possible that the fan relay is loose, check the power distribution panel.

2 of 2 people found this helpful.

Possibly the heater fan resistor. Did the fans quit all of a sudden, or did you gradually loose one fan speed at a time? If it was a gradual loss I''d bet its that resistor.

3 of 3 people found this helpful.

I replaced resister. Now sometimes the blower doesnt work if I kick it turns on. What can that be

7 of 7 people found this helpful.

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