How to run AUX lights on roof rack ?
#16
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Joined: Dec 2010
Posts: 882
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From: Michigan (Home state) Stationed in Montana
Year: 1993
Model: Grand Cherokee
Engine: 5.2L MPI V8 (318)
#18
Senior Member
Joined: Dec 2010
Posts: 882
Likes: 2
From: Michigan (Home state) Stationed in Montana
Year: 1993
Model: Grand Cherokee
Engine: 5.2L MPI V8 (318)
I don't think it would give you a good solid ground, and it would be very exposed to weather. Galvanic Corrosion would occur between bare wire and aluminum. What I did with mine, is I ran all the ground wires on each light together onto one wire starting from the far end on my rack, and brought that wire down the a-pillar behind the weather stripping, and grounded it on one of the fender bolts you can see when you open the door protects it so it won't corrode too much, and it's very solid. Not a lot of extra work either. Hope this helps.
#21
Senior Member
Joined: May 2011
Posts: 609
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From: Flagstaff, Arizona
Year: 1998
Model: Cherokee
Engine: 4.0L I6
I haven't done it but my idea was: to drill thr roof and seal with grommet and aquarium sealant. Then run the wires above the headliner through (behind the interior trim) the A-pillar and back into the engine bay
#22
CF Veteran
Joined: Mar 2011
Posts: 1,273
Likes: 1
From: South Bend, IN
Year: 1995
Model: Cherokee
Engine: 4.6 stroker
How many lights and what wattage are they? That should be discussed before wire size is
And u can run it many ways. All my wiring runs inside the rack to the back and I drilled a hole next to the stock harness with a grommet just inside the hatch. I wouldn't drill through the roof or down the windshield. Just doesn't look good imo
And u can run it many ways. All my wiring runs inside the rack to the back and I drilled a hole next to the stock harness with a grommet just inside the hatch. I wouldn't drill through the roof or down the windshield. Just doesn't look good imo
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