??Function of Rectifier:??Regulator Rectifier,device that converts alternating electric current(AC)into direct current(DC). ??Two main functions: first, the alternating current into direct current, after filtering to supply the load, or supply inverter, and second, to provide the battery charging voltage, therefore, play the role of a charger.??Why replace a new rectifier???Raised your lights brightness??Make the spark plug burn more fully??Less load on the stator,more engine power??Save your money and Improve fuel economy??Extend the battery's life and cold cranking capacity??When To Replace a Rectifier:??Voltage output dropped significantly, car lights were not bright.??Some unusual sounds when you started,low ignition efficiency of throttle.??There is clutter interference, and the sound quality of car audio system is poor.??The charging indicator on a car, truck or SUV shows a lower output than normal.??Vehicle engine jitter, rough shifts, idle speed and low efficiency of vehicle air conditioning.??Fitment: Harley Davidson2004-2006 Harley Davidson XL1200C Sportster 1200 Custom2006 Harley Davidson XL1200L Sportster 1200 Low2004-2006 Harley Davidson XL1200R Sportster 1200 Roadster2004-2006 Harley Davidson XL883 Sportster2004-2006 Harley Davidson XL883C Sportster 883 Custom2005-2006 Harley Davidson XL883L Sportster 883 Low2005-2006 Harley Davidson XL883R Sportster 883 Roadster??Package Include:1 × Regulator Rectifier