There are two blunt cut 12 gauge 3 0 mm2 wires one is brown roof mounted lamp power it is controlled by the dash mounted switch through the relay the other is black ground.
Roof mounted lights wiring.
One circuit for the led flood lights.
The brown power wire is protected by the 30 amp seo 2 fuse which is located in the underhood electrical center.
Down the back of the cab.
Down the side of the windscreen glass.
The wiring will be much longer in lineal metres and less discreet however it is an.
This is entirely vehicle dependent as some vehicles windscreens do not allow.
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One circuit for the cigarette lighter accessory socket going to the roof top tent.
One circuit for the led light bar.
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.
How to run the wiring for roof mounted led light bars 1.
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.
Find out how to wire roof mounted spotlights on your 4x4.
The light bar will also be controlled via a relay due to it s higher amperage.