Why is my heater blower resistor not working?
Why is my heater blower resistor not working?
If it is anything like the ‘final stage resistors’ that burn out on earlier BMWs then it isn’t a resistor at all, but a whole power circuit attached to a heat sink to drive the motors.
Why does my Mercedes heater resistor keep failing?
The parts guy at Mercedes certainly seemed to think it’s worthwhile holding them in current stock…. SS2. It might be that the blower itself is starting to fail which is causing the resistor to draw more current, get hot and, in turn, be prone to early failure.
How can I Fix my blower motor resistor?
Purchase an upgraded pigtail and splice it into the harness along with a new blower motor resistor. Conduct an amperage draw test at the same time to rule out excessive current draw from the blower motor. Car makers design their HVAC systems to reduce the possibility of debris getting into the system.
Why does my air conditioner blower get hot?
It might be that the blower itself is starting to fail which is causing the resistor to draw more current, get hot and, in turn, be prone to early failure. Does the fan spin freely by hand ?
What are the symptoms of a bad heater motor resistor?
Symptoms of a Bad or Failing Heater Blower Motor Resistor. 1 1. Blower motor stuck on one speed. A common symptom of a faulty blower motor resistor is a blower motor that is stuck on one setting. The blower 2 2. Blower motor does not work on certain settings. 3 3. No air from the vehicle’s vents.
Why does my GM blower motor resistor keep failing?
In some cases, the heat is so high that it melts the connector. This is common on late model GM vehicles. If you discover a melted connector, do NOT attempt repair. Purchase an upgraded pigtail and splice it into the harness along with a new blower motor resistor.
What happens if a heater blower has no power?
A blower motor without power will not be able to produce any air pressure, and as a result the heating and air conditioning system will be left with no air coming from the vents.
Why does my Dakota blower resistor keep going bad?
When your Dakota or Durango left the factory, it had a Mopar motor and voltage resister that were compatible with each other. After 10-15 years the motor wears out , begins to draws more amps burns up the resister. Most people replace the wiring harness and the resister with. cheap replacement from Autozone / Advanced etc.
