How To Wire A Relay For Lights

A relay can be used to power a new circuit with very little added current draw on the original wiring. Our kit includes separate relays for the high and low beams as well as upgraded gxl wire to make.

This video is a detailed walkthrough of the american autowire headlight enhancement relay kit.

You can find out more Diagram below

How to wire a relay for lights. A relay works by using a switch to run 12 volts to the relay. Failure to do so would cause excessive heat in the wiring and switch and create a risk of fire. How to wire your light using a relay the relay will have 4 points on it marked 30 87 85 and 86.

Lets discuss how to wire a relay and go through the concepts of how a relay works. Every circuit added to a modern car should be run through an automotive relay. If you are trying to add lights or any other high current accessories you will need a relay.

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. A wall switch relies on someone to flip it which will then control a light or some other type load. Using a relay can also shorten the distance.

Whenever wiring off road lights its important to add a relay to the wiring. Learn how to wire a relay for off road led light bars and work lights. To find the.

Our wiring tutorial shows you how to wire the most common relays found in automobiles. The method i use for wiring the lights and other external accessories for the most part follows the diagram pictured above. Learn what a relay is how it works and why you should use one.

A relay is basically a switch but not like a switch thats on a wall. As in the diagram a wire is run from a 12 volt power source to the switch in the cab and out to the relay placing a fuse at the source of the power. This is caused by the amount of power being drawn by the high output lights or accessories.

The factory wiring in modern cars is light gauge and is not designed for additional loads. A relay is switched by electrical power and not a human. For anything above 30w we recommend installing a relay.