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Old 01-23-2014, 04:56 PM
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fog lights to aftermarket

I was wondering if i could connect these to the existing fog light harness. I just added a smittybilt xrc bumper and it came with these lights:

Pro Comp Suspension Part 9851 - Motorsports Series 7" Round Driving Light

I was also wondering if you could connect it what fuse does it run off of because my jeep came with a stock bumper without fog lights so i have no switch inside the jeep for the lights. Also its a 2007 wrangler x

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Old 01-24-2014, 06:01 AM   #2
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From the research I've done I would say No, unless you don't mind risking burning up the factory wiring.

I just install an SRC bumper last weekend and was wondering the same thing which is why I did the research. From what I found the factory fog lamps are only around 55W. I found a cheap pair of driving lights at Autozone that were rated low wattage and wired them with the factory wires. Works great.

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Old 01-24-2014, 09:44 AM
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If i ran the wires to a relay then the relay to the battery and the other end to a switch in the jeep then it could work right?
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Old 01-24-2014, 11:38 AM   #4
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Quote:
Originally Posted by john231 View Post
If i ran the wires to a relay then the relay to the battery and the other end to a switch in the jeep then it could work right?
Are you asking to run the existing OEM harness from the relay to the lights? If so, then probably not since the lights you're trying to drive are 100w and the factory fogs are 55w. While using a relay removes the load from the headlight stalk switch, it wouldn't remove the heat being pulled across the harness from the relay to the lights. I don't know what the OEM harness is rated to carry. The lights you're considering state a 7.08 amp draw. I don't know the draw on the factory lights.

If you're going to run your own higher gauge wire between the relay and the lights (i.e., bypass the OEM harness after the relay) then you should have no problem, but at that point, you're not using the existing harness which was your original question.
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Old 01-27-2014, 07:57 PM
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I wired them up what i did was run a 14 guage wire to both lights up to a 35 amp relay incase i decided to run other lights then the relay to a 25 amp fuse to the battery then a wire from the relay to the drivers side dash and mounted a switch and wired it to the 12v cigarette lighter wire that shuts off when the keys out incase i forget to shut them off. Hopefully nothing blows up been a day and they still turn on an off .
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Old 01-27-2014, 08:02 PM   #6
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Good idea with the cig lighter. Let me know how that works after more use.
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Old 01-28-2014, 02:01 PM   #7
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I thought factory headlights were 55W and fogs were only 35W?

Either way a stand alone fused harness with a relay trigger is the only safe way to run aftermarket off road lights.

IPF lighting harness has a super simple plug and play system.
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Old 01-29-2014, 12:00 PM
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I had an extension cord with the ends cut off so i used that (14 guage wires in it) and ran a 30 amp relay to a 25 amp fuse. The good thing is the extension cord is thick and insulated so i shouldnt have any problems when i power wash the mud off of it. Ill try and get some pictures up when its not 0 degrees out like its been for the past week.
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Old 01-31-2014, 01:21 PM
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So if anyones been following this i snapped some quick pictures so it kind of makes sense instead of trying to explain it.
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In that picture you can see the fuse i ran from the batter then it runs to the relay which i drilled a hole into the piece of plastic thats bolted there and holds the battery then i just bolted the relay there. You can also see the extension cord i used that i ran to the lights. Heres another picture of it.
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Then i ran it down between the fuse box and the air intake and from there you can connect it right onto the existing wiring harness and just zip tie it to that and run it to the lights. I tucked the harness under the bumper like the original harness tucks (its all zip tied into one). I dont have a picture of that because it was freezing out. But i took a few quick picture of the light wires and you can see in the one how its up against the factory harness.
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Then i ran it behind the hood hinges to the drivers side and theres a small foam hole that run into behind the dash thats easy to get to and ran it up to a switch.
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Old 01-31-2014, 01:22 PM
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Heres the lights mounted.

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Sorry for the sideways pictures my phones retarded.

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