SOURCE: blower for AC/heat not working on Saab 9-3 ARC
that happened to me there is a i guess u can call it a fan cooler it keeps the fan from overheating and if that blows on a hot day it can mess up your blower moter but if its not workin at all you most likely allready did that for this job the blower moter is located behind the glove box if you not half dumb its a job u can do yourself and save a looooot of money on labor
SOURCE: blower for ac/heat only work on lower 3 levels.
Check the blower motor resitor. Use a 12v test light at the switch and notice the bulb brightness change as you switch settings.. Probably have a bad blower resiter.
SOURCE: 2001 pontiac grandprix no blower heat/ac
how do i fix my ac/ heater they both wont work not even defrost it use to work only on selection number 5 now it dont work at all we just put a new blower in it today and it still wont come on
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