Blown fuse, defective blower motor, defective wiring, defective blower motor resistor pack, or in rare instances a defective blower motor speed control.
It's possible that your heater core is plugged up. It can also be a bad thermostat.
Heater coil could have went out.
blower motor resistor is burned out
The sun.
Because it is an Dodge. GET A CHEVY
No electricity
yes 1987-1994 will work
2001 dodge ram 1500 ac and heater flow regulator switch does not work. works only on defrost. How to fix?
yes if it stuck open.
replace heater core in a 1991 Chevy work truck 1500
Maybe because your climate control system needs to be repaired....
Start out by checking that the blower has both power and ground and if so then next check the a/c - heater controller...........