?FITMENTS?The Blower Motor Resistor for Volkswagen Jetta 1999-2012/ Volkswagen Beetle 2000-2005 /Volkswagen Golf 2000-2005/ Audi TT 2000-2002 ?FUNCTION?The blower motor resistors restore the vehicle's heating and cooling system to its original optimum performance in time, controls the fan speed in your AC and heating system. Durable design prevents thermal fuse failure, overheating and burnout. ?INSTALLATION?Replace your factory HVAC blower motor resistance directly. It is a direct replacement and can be easily installed into your AC blower motor. If you have installation problems, please contact us or watch youtube installation video ?ADVANTAGE?100% Brand New and tested prior when the Heater Blower Motor was leaving the factory,Direct replacement for 1J0 919 506 K/1J0-919-506K blower motor resistor. ?ATTENTION?Please double check your vehicle year and make and model with the fitment of Amazon and our description is suitable. If you are not sure which blower resistor to choose, please send us a message and we will find the blower resistor that best suits your car