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.
Installing led light bar on roof rack.
Once it is in the snorkel head the cable will run down into the dirty side of the airbox and will require drilling through the side of the airbox to penetrate the wiring back into the engine bay.
We choose the nilight 52 300w spot and flood combination led light bar because it has both spot and flood lenses in one bar was affordable and had decent reviews on amazon.
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.
When having the roof rack installed we added a front 3 slat cross member so that we could mount a light bar it was a 65 addition.
Installing led light bar on roof know your budget.
Tools and electrical devices to use.
Find out how to wire roof mounted led spotlights lightbar to your car or truck.
This video shows how easy it is to diy install the 42 inch stedi st4k 80 led light bar to the rhino roof rack on a ford ranger raptor.
Although not commonly adopted it is possible to loop the wire from a roof light bar into the back of the snorkel head.
Check your budget before going for the installation.