How to Wire a Blower Motor Resistor?

Answer Most vehicles today have multiple fan speeds for the heat and A/C. These speeds are controlled by a blower motor resistor. The blower motor resistor is a small electrical device that controls the v... Read More »

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

How to Change a Wire Harness on a Resistor Blower Motor?

The blower motor resistor in your vehicle regulates the electrical current flowing to your vehicle's blower motor. This regulation of current causes the fan to spin faster or slower, resulting in m... Read More »

What Does a Blower Motor Resistor Do?

"Blower motor" refers to an electrically operated fan in a vehicle that supplies air to the passenger compartment. The heater blower resistor helps control the rate at which the blower motor suppli... Read More »

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 Check a Blower Motor Resistor?

A faulty blower motor resistor will cause the heat and air conditioning fan controls to malfunction. Typically, the fan won't work at all, or it will only come on when the switch is placed in the h... Read More »