New 3-prong (3 terminal with ground wire) 12 Volt LED Flasher. Flasher is designed to replace stock turn signal flasher cars and trucks with 3 prong 12v systems. Replacement of the stock flasher is usually needed in order for the LED turn signals to operate as intended. Solves: hyper flashing, burnt out bulb indication, or non flashing when using led lights and led light bulbs.These flashers will also work with stock turn signals, so if you change back to stock lights, there will be no need to swap out the flasher.We also offer 2-prong LED flashers in our ebay store. NEW Additional Details ------------------------------ Package quantity: 1