Product Introduction The blower motor resistor is an electrical component that is part of the vehicle heating and air conditioning system. It is responsible for controlling the fan speed of the blower motor. Features Direct replacement - this blower motor resistor matches the fit, function and performance of the original motor on specific vehicles Restores performance - fixes a fan that's only operating on one speed or not working at all Thoroughly tested - examined and validated to perform safely and effectively Trustworthy quality - backed by team of engineers and inspectors in the United States Fitment .