Turn on the low beam headlamps. Fog lights are a great do it yourself add on for a car or truck.

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Fog light wiring diagram. Fog light aiming there are two important issues to address when installing fog lights the first is. Pictured is my wiring diagram for installing two fog lights with fuses a switch and a relay. When the coil of the relay is energized 12v from the high beam switch to terminal 86 ground on terminal 85 the normally closed contacts open interrupting 12v to the fog. It is for this reason that we present here the proper way to wire a fog light systems. Failure to do so would cause excessive heat in the wiring and switch and create a risk of fire. Fog lights off with high beams on relay wiring diagram.
Wiring diagram and the sequence below. Use the following procedure. While proper wiring for fog lights is not just adding a wire and a switch its not difficult and is. Before connecting any wires disconnect the negative battery terminal. Fog light wiring diagram with relay. Fog lights should be used with headlamp low beams.
Connect the end of the. Properly installed and wired these lights make it much easier to drive in foggy conditions as they light the road much better than normal headlights. Youll find examples of switches lights fusesits helpful to understand and keep a universal language of the. Fog lights should never be the only foreword light source. Your lamp kit harness my have different wire colors. If you need assistance drawing a diagram refer to your cars factory workshop manual reprints are available from moss.
Use as reference only. This is a general wiring diagram for automotive applications. Locate the low beam or high beam light lead on one headlamp by using a circuit tester. Pictured is my wiring diagram for installing two fog lights with fuses a switch and a relay. Power 12v to the fogs lights passes through the normally closed contacts of the relay terminals 30 and 87a.