How to Repair a Blower Motor Resistor?

Answer If your climate control fan doesn't switch speeds when you turn the knob on the dash or only blows at the high speed setting, then the most likely cause is a faulty blower motor resistor. The actua... Read More »

Top Q&A For: How to Repair a Blower Motor Resistor

How to Fix a Blower Motor Resistor?

When the resistor that regulates your blower motor's speed fails, the fan will either not function at all, or will run at one speed regardless of what the climate control fan knob is turned to. Blo... Read More »

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. This can be annoying, but troubleshooting is easy. If you start at the blower m... Read More »

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 the fan speeds. There are two different types--the resistor wire type that uses a different size co... Read More »

Blower Motor Resistor Problems?

Your vehicle's heating and air-conditioning system is made up of many electrical components. One of those components is known as the blower motor resistor. This component electronically limits the ... Read More »