i just got a 97 blazer and the heating and cooling system works every once and while when it dont work i play with the knob that has off, ac, floor, defrost,etc. and when i play with it i hear some kinda air movement like blowing or sucking,it is very quiet but noticable and it is comeing from the switch, do you think my switch is bad, the blower motor is bad or something else is wrong?
when it works everything works heat and ac....
when it works everything works heat and ac....
Feb 7, 2009 at 11:42 PM