1st check fuse , then or resistor and then blower motor itself resistor is usually under hood right by blower motor or on the ducking it self Google images resistor for your kind of car so you know what your looking for power should be going into it when your heater is on and coming out the other side the higher the setting the more power coming out the other side going to blower motor
Can't get my heater to work on my 156
A broken fan heater can not work and A FORD Foucs does not run
check the fan switch.
Heater is not working in a 2002 ford foucs only work when fan setting is place in?
Your heater fan resistor module requires replacment
"burnt out"needs replacement
There are a couple of reasons why a heater fan isn't working in a 1007 Malibu. The fuse may be blown for the fan or the fan motor may need to be replaced.
Defective heater resistor pack.
Possibly the Heater Motor, if the fan is not coming on at all the bearing in the motor have probably gone out.
Sounds to me like the turn signals and the heater fan may be on the same fuse?? Jack
I can't get the fan to work.
One reason why an AC heater fan will not work on a Mazda 3 is that the fan is burned out. It will have to be replaced. However, first check to make sure that you have not simply blown a fuse.