heater blower on 1999 Dodge Intrepid

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.

1 answer
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.