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My defrost/heater/ac fan will only run on high setting. I have checked the fuses and the relay as well as the fan switch. What could be wrong?
Year: 1999Make (other): plymouthModel: grand voyager vanEngine: 3.3 flex Already Tried: checked fuses, checked relay, tried new switch unit.
hello and welcome to Just Answer!The most likely cause of your problem is the blower motor resistor. it is located on the passenger side on the firewall in the engine compartment. here is a picture.This part is inexpensive. it is challanging to get to, but I'm sure once you see where it is , you will be able to replace it.Good luck and let me know if you have any more questions. if this helps you please ACCEPT my work. THANKS!!!
ASE Certified Technician
ASE Master Certified, ASE Certified Undercar Specialist, ASE Advanced Engine Performance Certified.