Designed to set the lower speeds of your heating and A/C blower fan, the Standard Ignition Blower Motor Resistor RU-55 (also written RU55) is a direct-fit replacement for the listed applications. It is listed for many models, among them the 1987-1996 Chevrolet Beretta, 1987-1996 Chevrolet Corsica and 1987-1994 Chevrolet Cavalier, on all engines. See the Buyer's Guide tab for the full list.
A blower that runs only on its highest setting, or one or more lower fan speeds that no longer work, are signs a blower motor resistor may need replacing. If you are shopping for a 1987-1994 Chevrolet Cavalier blower motor resistor, the RU-55 is listed for that application. Wiring, switch or blower motor faults can cause similar symptoms, so diagnose the cause before replacing the part. If a failed resistor is behind the problem, this unit replaces it. Follow the vehicle service information for its location and installation steps.
What does a blower motor resistor do?
It routes current to the blower motor through resistance, which provides the lower fan speed settings for the heating and A/C system.
Will this 1987-1994 Chevy Cavalier blower motor resistor fit my car?
The RU-55 is listed for the 1987-1994 Chevrolet Cavalier with all engines. Check the Buyer's Guide tab to confirm your vehicle.
Does the RU-55 fit the 1987-1996 Chevrolet Beretta and 1987-1996 Corsica?
Yes. It is listed for the 1987-1996 Chevrolet Beretta and the 1987-1996 Chevrolet Corsica with all engines, one per vehicle.
What are signs of a failing hvac blower motor resistor?
Common signs are a blower that works only on its highest setting, or one or more lower fan speeds that stop working.
Should I check anything before replacing the resistor?
Yes. Wiring, the fan switch or the blower motor can cause similar symptoms, so diagnose the cause first and follow the vehicle service information to install it.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
