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Re: Heater not working changed the blower motor and still...
Check your coolant levels/ anti freeze .... if theres no air coming through then check your fuses/relys .... if it just heat and its blowing air then check your thermostat
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CHECK SEE IF HEATER BLOWER MOTOR WORKING, REMOVE HEATER BLOWER MOTOR HOT WIRE HEATER BLOWER MOTOR SEE IF BLOWER MOTOR WORKING BLOWER MOTOR FAULTY OR YOU HAVE FAULTY WIRING AT BLOWER MOTOR AND RESISTOR.
First check all of your fuses the one under the dash and the ones under the hood! If all the fuses are good it could be one of three things the Blower motor, Blower motor resistor, or the blower motor relay!
It may be the blower motor, or it may be the blower resistor. Check for power at the blower motor. If power present with system on and blower has good ground, motor bad. If no power check blower resistor in air box prior to blower motor. If power on input side but nothing coming out to blower change resistor.
Sounds like a bad blower motor resistor. That part is what changes the speed of the blower, and your original blower motor may not be bad if it was running on high only. It may have been the resistor.
Heater blower motor resister is bad, or blower motor its self is bad. Run 12 volts from an outside sourse to blower motor, if it runs its resister if not its blower motor.
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