Ford Mustang Headlight Switch

A headlight switch gives the provision to activate the headlights and tail lights. In addition to this, a headlight switch enables the user to adjust between intensities of light for different conditions. The switch is usually found on the dashboard as a knob or as a rotating knob on one of the steering stalks or even as a push button. Without a headlight switch or a faulty switch, the operation of headlight is not possible blinding the night visibility for a driver and potentially cause a lot of accidents.

The switch enables the driver to have complete control on the headlights of a vehicle right from turn on and off to adjusting intensities of headlights and also give a provision to adjust the lights to high beam or low beam depending in the driving conditions making sure that the light doesn't blind the oncoming drivers.

The working of a headlight switch differs with different vehicle configurations. However, the most commonly used type is where the switch transmits a low current, a 12V signal to activate the headlight relays which in turn activate the headlights. The other types provides ground to the headlight relays or generate a 5V signal to the body control module which operates the headlamps.

The location of a headlight switch differs with different vehicle configurations. It can be present as a independent knob or switch on the dashboard. The switch can also be integrated into the turn signal stalks on the steering column itself.