Led Headlight Relay Wiring Diagram. After you have all the things and tools you will use now lets make a headlight wiring relay kit. Before we get started take note of this relay diagram on how to wire up the switch to your led light.
If your led light bar came with a wiring harness and it includes a relay use it end of story. That is kind of cryptic isn t it. How to wire your light using a relay the relay will have 4 points on it marked 30 87 85 and 86.
This video is a detailed walkthrough of the american autowire headlight enhancement relay kit.
Each part ought to be placed and connected with other parts in specific way. 1 measure the lenght of the wire you need from the stock wiring going to the left to right if your battery is in the right then your wiring should start in right headlamp going to left. Make sure this fits by entering your model number. Use the white and yellow wires that went to the stock left side headlight bulb to supply the trigger signal for your relays.
