Flasher replaces stock mechanical flasher with a digital flasher that is not load dependent. Item splices into flasher control wire harness. Bike will not make a clicking turn signal noise when unit is installed. Replaces Mechanical Flasher with Solid State- not Load Dependant Does not fit GL1800 WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov This warning is being provided to comply with the State of California's Proposition 65.