How To Wire A Relay For Fog Lights

Alternative fog or driving light schematic.

How to wire a relay for fog lights. One of these wires from each fog light has already been connected to ground. A three way connection must be made joining the second wire from each of the fog lights to the red wire going to the relay terminal 87. With our wiring harness all you need to do is cut the wire coming from the switch to the 30 prong on the relay and wire it to your high beam lead or your backup light wire. These instructions will probably be easy to grasp and use.

How to wire your light using a relay the relay will have 4 points on it marked 30 87 85 and 86. 12v universal wiring harness kit relay fuse switch. 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. If you do not install a relay and use a switch you could end up overheating the switch melting the wires and reducing the current that is getting to your lights making them less bright.

The lamps and relay harness are to be used only with 12 volt automotive. Use as reference only. While proper wiring for fog lights is not just adding a wire and a switch it s not difficult and is. For anything above 30w we recommend installing a relay.

Fog light relay wiring diagram positive ground wiring library fog light wiring diagram with relay. Draw a diagram on plain white paper with wire gauge noted and colors identified. So if you desire to receive these amazing shots about fog light wiring diagram without relay. Fog lights off with high beams on relay wiring diagram.

This hook up does away with the headlight lamp connection. Learn what a relay is how it works and why you should use one. Green wire connects directly to the battery to power switch relay. In this case you need to wire the dash switch in between the trigger current i e.

800 x 600 px source. 12v 40a led fog light wiring harness laser rocker switch relay size. That way when. It is meant to aid all the typical consumer in creating a correct system.

The line you spliced off your high beam wire or your backup light wire. Use wire ties to secure any slack portion of the 12 volt connection or wire harness in the engine compartment away from moving parts or excessive heat. The fog lights each have two wires one for ground and one for the 12v power.