Your front heater ac blower stoped working rear blower works fine what would be the problem on a 02 durango all fues are good?

check to see if you have fire to the motor with a test light.if you have fire there it's the motor if not it could be a relay or the switch. also check the heater motor resistor (bottom of heater box, front passenger side, left foot area) I have replaced 2 on mine in 30k miles. first time failed only the low blower setting worked, second time I had nothing. its a dealer item, about 12 bucks, simple install.