What is a turn signal flasher?
What is a turn signal flasher? The hazard and turn signal lights found on the vast majority of road going vehicles are controlled by a flasher, which is commonly referred to as a relay. The flasher is an electrical component that serves as the switch that allows the lights to flash on and off. Do you need a special flasher for LED turn signals? The reason most mechanical flashers won't work with LEDs is that they require very little current flow, which is not enough to heat the internal strip and open the circuit. There are several types of electronic...