I have a 2004 stratus and the three lower levels of the blower have gone out so all i have is the highest setting. There have been issues with the a/c not switching over to the heater and vice versa. Now the heater, doesn't work all the time, or most of the time. I live in WV so it gets cold here and is no fun to drive without a heater. Help??
I had the same problem with my '97 Stratus. There is a large resistor in the fan motor circuit that has died and needs to be replaced. It's well up under the dash, behind the glove box if I recall correctly, so unless you are a contortionist and have the tools, have a shop replace it.
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I'm assuming you mean the fan only works on high. If that's the case the blower motor resistor is bad. When the fan switch is on high it puts a full 12Volts to the blower motor. When you have the switch in any other possition, the voltage is routed through the resistor and reduced thus making the motor run slower.
The resistors are in circuit only on the lower fan speed settings.
On the highest speed setting, power is switched directly to the fan motor.
Check fan power supply fuses,
Check power is available to the fan when high speed selected.
If all above OK, apply power directly to the motor to verify fan motor runs- if it doesn't the motor may need replacement/repair.
sounds like a faulty heater resistor..located in heater box on pass side..remove a trim panel under glove box..if you get new one,you'll be able to see what it looks like..10 way connector..only has 5 wires..2 screws hold it in heater box..you may have to trim opening to fit new resistor..new part updated
You have either lost vacuum to the mode control switch or the switch leaks, this switch is in the ac conrol head in the dash. When you select dash, floor etc. this what changes where the air comes out.