Electrical Harness Through Firewall - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 8 Old 01-17-2010, 10:19 AM Thread Starter
 
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Electrical Harness Through Firewall

I am adding fog/driving lights to my 08 JK. Everything is mounted and wiring harness is complete. Now the ---- do I get the harness through the firewall. I found the rubber gramet on the passenger side and I am going to put the switch on the removable panel below the hazard lights. Again, how do I get the harness through the firewall.
Taking my time so I don't screw it up.
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post #2 of 8 Old 01-17-2010, 11:03 AM
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I poked all of my wires thru the drivers side rubber gromet by attatching the wires to a long screwdriver with a piece of tape.
I didn't do them ALL at once though. I had to do a few at a time.


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post #3 of 8 Old 01-17-2010, 03:11 PM
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I ran the sPod harness through the driver's side firewall, but for the heavy-gauge shit, (radios, inverter, etc,) I pulled the battery tray out, and ran wires through the main harness gasket on the passenger side. If you plan for the future, It's a better location imho - more watertight, closer to the battery, and easier access from the cabin side.

it takes a couple hours just to de & re the whole battery tray though, so plan for your future upgrades first, and run all your wires at once. besides, you don't want to strip & retape your harness gasket too many times either.

to get through the driver's side, straighten out a wire coathanger, and push it down through the firewall hole. in the cabin, pull the dahboard side-plate, and watch for the coathanger. pass it out through the side panel, attach your wires, and pull the coathanger back through the firewall into the engine bay.
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post #4 of 8 Old 01-17-2010, 03:24 PM
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Theres a way easier way.....
Take off the little panel on the driver side dash by the door. Look in there and you will see some expanding foam. This is filling a hole to the engine compartment. Get a clothes hanger and poke your wires through. Takes 2 minutes tops.

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post #5 of 8 Old 01-17-2010, 11:01 PM
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I did all mine through the passenger side... works just as good... if I need to run anymore, I'll have to go through the drivers side.

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post #6 of 8 Old 01-18-2010, 05:29 AM
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I agree that the grommet on the drivers side is the easy access.
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post #7 of 8 Old 01-18-2010, 05:38 AM
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that's how I did mine....then as I connected items to the sPOD, I ran extended wiring from the sPOD through the same hole into the cabin using a metal hanger with wires taped using duct tape, pulled it through the holes, and then saudered it to the item I wanted to connect to the sPOD. After the wires were connected, I then connected the wire to the sPOD. Going this way allowed for me to connect extension wire to the devices and ensure a proper fit to the sPOD Source location without lots of wiring (especially since I am going to line the tub and not want lots of wiring hanging/coiled up on the tub for people to trip on).

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post #8 of 8 Old 01-23-2010, 02:36 AM
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I think im going to run mine a little lower. I have an automatic and there is a hole below the grommet everone else uses. Seems a little easier to get to. I think it's for the clutch.
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