Heater a/c blower motor fan resistor to fit 1978-1990 Buick vehicles.
This resistor mounts on the top of the heater/evaporator box on the firewall.
Missing motor speeds are sometimes a result of a bad resistor, burnt wire connector or both.
This resistor mounts on the top of the heater/evaporator box on the firewall.
Missing motor speeds are sometimes a result of a bad resistor, burnt wire connector or both.