How To Troubleshoot A Blower Motor Resistor Ehow

A good indication that you need a blower resistor is if your blower is only working on the highest speed setting. on most american and import cars and.How to troubleshoot a blower motor resistor. the most common symptom of a faulty blower motor resistor is a blower fan that only works on one speed, usually high..Little or no airflow through the ducts indicates a problem with the blower motor.. Blower motor resistor problems. your vehicle's heating and air-conditioning system is made up of many electrical components. one of those components is. You may also like. how to change a blower motor resistor. a blower motor resistor is the device by which a car's heating and air conditioning unit controls.