How To Wire A Roof Light Bar

In this episode of project night light i show you how to wire an led light bar properly using a relay.

How to wire a roof light bar.

Find out how to wire roof mounted spotlights on your 4x4. This is the best method because it is the shortest distance for the wire to travel and it has the least chance of getting smashed in your door jamb. The cabling is run along the length of the roof attached to the roof rack or rail and in the case of a ute will generally loop across to either the sports bar or headboard of the tray itself and head down to the chassis rail then off to the engine bay. If you have a rooftop led light bar run the power wires through a windshield frame channel.

Now comes the critical part. The best way to do this is to drill a new hole in your roof near your roof mount brackets and run the wiring down directly into the cab of the truck. The wiring will be much longer in lineal metres and less discreet however it is an applicable option and generally only needs cable ties to install. How to install a light bar.

Please like this video facebook. Use separate wire colors for different circuits so they are easily identifiable. Add a dual waterproof connector near the light bar for easy disconnection when the light needs to be removed. Installing a led curved light bar on your overhead rack requires a waterproof connector of some sort.

Today we install the scanstrut connector. Take the red wire of the light and join it with the red wire of the switch. Make a connection between the light and the relay switch. The switch will maintain the flow of current on the light bars.