1999 dodge intrepid.heater/ac fan motor speed will fluctuate while on the same speed setting.sometimes fan won't run ,even when i first start the fan,then it starts by itself,runs,then stops. when the fan turns off ,it won,t run on any speed setting.
heater blower on 1999 Dodge Intrepid
This may be signs of your blower motor failing. Verify the power and ground signals to the blower motor are OK, and if they are, replace the blower motor.