Is it easy to replace a blower motor resistor?

The blower motor resistor is usually extremely easy to access, but the hard part can be positioning your body inside the car to remove the part. The resistor is at the bottom of the HVAC housing or just behind the glove compartment.

What happens when a blower motor goes out?

You might also hear ongoing whirring noises, or noises that change or get louder if you increase the fan speed. These are all signs of problems with the blower motor. In some cases, you may even notice smoke or smells of burning while driving, in which case you should pull over immediately.

How long does it take to replace a blower motor resistor?

takes about 45 minutes.

Does a blower motor resistor have a fuse?

A fuse is often located on the resistor board. The fuse only protects the low and medium blower speeds.

What are the symptoms of a bad blower resistor?

Another common symptom of a faulty blower motor resistor is a a blower motor that does not function on certain settings. If the blower motor resistors’ internal components fail it may cause the blower motor to malfunction, or not function at all on one or more of the settings.

How do you test a blower motor resistor?

Blower Motor Resistor Testing. Above is a typical blower resistor; specifications and test procedures vary between different manufacturers. Place one lead of the Ohmmeter on terminal 1 of the resistor. Place the other lead on terminal 2 and check against specifications. If this circuit is open, showing infinity on the Ohmmeter,…

How to replace a blower motor resistor?

Disconnect Your Negative Battery Terminal. Start by disconnecting your negative battery cable.

What is a blower motor resistor?

The blower motor resistor is an electrical component that is a part of the vehicle’s heating and air conditioning system. It is responsible for controlling the blower motor’s fan speed.