Routing Rack Lighting Wires Into Vehicle

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619TOY

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AKA drilling a hole into the perfectly good roof of a pretty expensive rig haha...

Since installing my roof rack and quite a few lights, I've had a lot of people inquiring about how I routed the wires. Up 'til now my answer has pretty much been I haven't, well not in any legitimate sense that is. Up until now, mine have just been pinched inside a piece of shrink tubing through the rear hatch.

I know many of you are happy routing them down the windshield, so this is targeted to those wanting to take it to the next level.

Even for me this was tough decision and I was only going to do it once I came up with a compromise I was willing to make. I wasn't willing to simply drill a hole in the roof. I wanted something more discreet and ultimately easily "reversible". I decided to locate my liquid tight grommet/cord grip in the trough where the trim pieces usually go when you still have the factory roof rack.

I'll let the pics speak for themselves, but basically it's a pretty straightforward process. I drilled the hole with a 20mm carbide hole saw and the grommet itself is a Heyco M3216. In the end, I was able to fit an antenna cable, a 12AWG power wire, three 16AWG power wires and two 12AWG ground wires.

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More pics

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definitely next level commitment! how much of the headliner did you have to pull back to access the inside of the grommet?
 
definitely next level commitment! how much of the headliner did you have to pull back to access the inside of the grommet?

None actually. I just pulled the upper "D" pillar trim panel and worked through the opening that created. Takes less than 5 minutes. Just be super careful not to try to flex the headliner because it's the type that will get permanently creased:crybaby:

Disclaimer: I have big hands but I also have extremely good dexterity from many years of doing this type of thing in the most difficult to navigate crevices in vehicles:D
 
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Just curious why you decided to drill through the roof as opposed to running down the channel by the windshield or down through the hatch like most others? I ran mine through some braiding down by the windshield, and I have to actually point it out to people who are looking at it because they don't even see it.
 
Just curious why you decided to drill through the roof as opposed to running down the channel by the windshield or down through the hatch like most others? I ran mine through some braiding down by the windshield, and I have to actually point it out to people who are looking at it because they don't even see it.
I've seen it both ways and it just wasn't for me long term. All of my wires are also running to the rear of the vehicle, so shorter more straightforward wire path. I've probably drilled over 1,000 holes in the roofs of cars in my life so it wasn't that hard of a pill to swallow.
 
Very clean looking install.
 
Nice going!
 

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