LED Compatible flashers eliminates or decodes hyper flashing. Fast flashing is caused by the flasher cannot detect the energy efficient led lamps, led bulbs and led lights. Easy to remove the old flasher and replace with a new led compatible flasher relay. Depending on the flasher can operate from 6 to 24 Volts positive or negative ground. Most of the time when you use a led compatible flasher you do not have to use load equalizers.