Question about 2002 Pontiac Grand Am
I have a 2002 Pontiac Grand Am SE1 and the heater/AC unit will only work when i have it on the highest speed for the blower. What causes this? both heat and AC work but only when knob is turned to number 5. Any suggestions?
Before doing anything major to fix this, please check your fuses
Posted on May 05, 2009
Chk. to see if you got a heater resister, it should be somewhere in the visinty of the blower motor 2 screws hold it in the heater box and it will have 4 or 5 wires in a plug going to it. samething happend with my truck and thats what it was. i also found out sometimes that plug with the wires to the resister burn, if thats the case you will have to chg. that too.
Posted on Jan 12, 2009
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