Jeep JK wire through firewall. Best spot to drill? - Jeep Wrangler Forum

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Old 04-14-2017, 08:21 PM
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Jeep JK wire through firewall. Best spot to drill?

I have a 2014 Jeep JKU and want to run at least a 4AWG wire through the firewall.

Any recommendations on the best/safest spot to do such?

I did some looking today and just next to the battery is a ground:





When I look behind/next to the glove box from inside I see this stud that may be the other side of the ground? That would be an easy spot to drill a hole and run wire through IMO.



Thoughts or suggestions before I bring out the power tools?
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Old 04-14-2017, 08:47 PM   #2
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No not mess with factory ground location. The driver side has a nice port in the rubber just above the factory harness to pop a hole and run wires through.
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Old 04-14-2017, 08:49 PM   #3
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look right below your brake booster or above your brake pedal from the inside you will see a nice hole thats already there from the factory
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Old 04-15-2017, 06:32 AM   #4
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You can also take off the panels on either side of the dash. There you will find a foam plug that can easily be used to run wiring through.
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Old 04-15-2017, 09:16 AM   #5
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Old 04-15-2017, 06:20 PM
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Big thank you to everyone for the suggestions. I got my CB installed and didn't have to drill anything.

Passenger side panel is where I ended up going through for my CB wiring. It was so close to the battery it made the most sense.



I will research the other suggestions for the larger wire I want to run that will feed my sub amp and power inverter.

I have tons of pics all the way from the antenna mount to wiring the battery. I will post them in my build thread: RTPG - 2014 Jeep JK build
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Old 04-19-2017, 10:20 AM   #7
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Quote:
Originally Posted by RTPG View Post
Big thank you to everyone for the suggestions. I got my CB installed and didn't have to drill anything.

Passenger side panel is where I ended up going through for my CB wiring. It was so close to the battery it made the most sense.



I will research the other suggestions for the larger wire I want to run that will feed my sub amp and power inverter.

I have tons of pics all the way from the antenna mount to wiring the battery. I will post them in my build thread: RTPG - 2014 Jeep JK build
I was able to fit a 2ga wire through that hole - although I had to clean up the sheet metal that overlapped the hole on the other end with a 1/2" steel rod (I just pounded it through the hole to bend the sheet metal back).

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