There are 5 speeds on the AC/heater fan. First, speeds 1 and 2 stopped working And Now, speeds 3 and 4 stopped blowing. Only speed 5 works. Is the problem fuses, a switch, or the blower motor? thanks, jim
I have the same problem.... I replaced the resister, and still only the 5th setting works...I have the same problem.... I replaced the resister, and still only the 5th setting works...
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a couple of things,1 blower motor fuse.2 blower motor gone out.3 switch on fan speed control switch not sending signal to fans.after checking the fuses.next check theswitch on control panel.set ac or heater.if fan still doesnt come on then replace it.when it work and then stops working there are a lot of possiblities that caused the prob relay too not fliping over inside staying close loop.hope this helps.
Yes I would go with the switch, BUT, does it have a resistor bank? That is, how does it reduce the speed? Many systems use resistors to lower the speed. Burnt or bad connections can cause this as well.
You can test the blower motor by connecting direct power from a source like the cigarette lighter if you are handy.
Most of the time the lower speeds konk out but the high speed continues to work this is the resistor bank that goes out.
heater speed switch in passenger side in foot area above toes in heater box one wire plug on it 2- 5-6 mm screws hold it in that is your fan speed switch they are a common issue it is the season for those now usually you loose 1 speed at a time until nothing don't be caught with out that not working at all you windows will fog bad!!!!and no heat period.
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