Why are the directionals on my car not working?
Why are the directionals on my car not working? If the directionals only flash in one position and are off constantly in the other direction, the usual cause is a burnt-out bulb. When a bulb blows, the current flow in that side of the circuit will be reduced. The reduction in current flow prevents the flasher unit from reaching the needed temperature to switch the bulbs off. How does a direction signal system work on a car? A direction signal system is designed to operate with a flasher or blinker unit which interrupts the signal which created the blinking action....