Running power wire - Jeep Compass Forum
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post #1 of 12 Old 09-13-2017, 12:15 AM Thread Starter
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Running power wire

Hi there just got a 2018 jeep compass and I am curious about where I can run power wire from the engine bay to the cabin. I found a very large gromett that has a wiring harness attached to it but was wondering if there is any other places to run the wire.
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post #2 of 12 Old 10-19-2017, 06:10 PM
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Better question is what head unit is in your truck, and if you are using the uconnect8.4 , how are you intergrating your amps?
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post #3 of 12 Old 10-19-2017, 07:18 PM
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Well there really is no official right or wrong way when it comes to aftermarket stuff like that. Usually any given path has its pros and cons (easier vs using more wire, etc). Above all else just try to keep it clean (the install). Nothing worse than a hack job on a nice new vehicle.
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post #4 of 12 Old 10-19-2017, 08:26 PM
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http://www.myjeepcompass.com/forums/...s-through.html (Link)

Basically Jeep recommends you pass wire through either side of engine bay into the door area and route through removable trim.
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post #5 of 12 Old 10-21-2017, 11:00 PM
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Quote:
Originally Posted by cosmo7809 View Post

Basically Jeep recommends you pass wire through either side of engine bay into the door area and route through removable trim.
This is just what I do; I have some off road lights, accent lights, and dash cam wired this way.
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post #6 of 12 Old 10-22-2017, 01:45 AM
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Quote:
Originally Posted by REVIGOR View Post
This is just what I do; I have some off road lights, accent lights, and dash cam wired this way.
Any pictures of what you did?

2017 New Compass Latitude 4x4 C635 6spd manual. Mineral Gray. Tow,
Cold Weather, Safety & Security, Popular Equipment, Beats Audio. Built June 2017.

Added: JW Speaker fog lights, Weathertech mats, Mopar flaps &
vent shades, Trailhawk front skid plates.
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post #7 of 12 Old 11-08-2017, 12:26 AM
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I second mudman1. Any pictures or link to the guide?


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post #8 of 12 Old 11-08-2017, 04:08 AM
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I don't know what guide you're all referring to, but here's how I got my cables through:



On the bottom you can see a red wire for my footwell lights, and on the top I have some pretty thick wires for my lights and my dash cam. My door does take more effort to close than before due to the thick wires; maybe I could route them the same way as the red cable to avoid crossing through the rubber seal.
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post #9 of 12 Old 11-09-2017, 06:48 PM
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Thatís not a 2017+ and youíre gonna have issues , like arcing out your battery and possibly a fire buddy. Iíd redo everything you have there, or bring it to a stereo shop and have them rewire it for you


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post #10 of 12 Old 11-09-2017, 08:54 PM
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Yeah, shutting the door on wires is never an OK thing. At best will wear on your weather seal and eventually break the connection in the wires. At worst will cause a short and a fire. Find a safer way to route the wires and all will be well.
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post #11 of 12 Old 02-16-2018, 05:05 AM Thread Starter
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I know it is a late reply but ended up running power wire through grommet on passenger side
Attached Images
File Type: jpg IMG_20170921_165716_1518761066563.jpg (40.2 KB, 45 views)
File Type: jpg IMG_20170921_165710_1518761105931.jpg (48.3 KB, 43 views)
File Type: jpg IMG_20170921_165703_1518761131226.jpg (47.4 KB, 40 views)
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post #12 of 12 Old 09-27-2019, 05:07 PM
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Just bought my daughter a new 2019 JEEP Compass High Altitude. Can't believe they dropped the ball in NOT equipping this thing with forward collision sensors. Or rear warning sensors for that matter. She's coming out of a BMW that had front sensors & rear sensors w/ camera but she likes to HEAR that warning while spun around in her seat backing up.... (camera useless in that position).

Anyhoo..... I already tapped into her reverse lamp wiring to install a simple license plate frame w/sensors to compliment her camera. Getting ready to install a forward facing camera at the nose and in searching the entire World Wide Web there is not one, zero, zilch, nada, none single walkthrough or even mention how to get through the firewall to send accessory wires or whatever through.

SURE.... Plenty of Wrangler write-ups and picts but the Compass isn't so accommodating as offering a little spongy hole at the A-pillar area passenger side door. So with my journey under the hood I decided to post the location (with Picts) of the exact location and technique I used in getting my way through a 2019 JEEP Compass firewall..... so here ya go......

First: Pop The Hood
Then: Look to the drivers side back wall, just below the cowel and behind the fuse box.
See that black plastic shield held against the upper firewall with the 5 pin clips? There's a recess behind that where there's a huge grommet that most of the wiring under the hood is bundled and sent through. If you contort your body under the drivers side dash and feel for that wire bundle you'd follow it right to that grommet but poking through at that location would result in a a dead end. You must remove that "shield" under the cowel before sending wires through. Oh and save yourself a sprained wrist and poke the grommet from the engine side with wire taped to your poker and pull it through the interior. I used 5 metal BBQ Skewers one next to the other in order to pierce a big enough hole in the rubber to fit 3 wires into. This was a big enough protrusion for my wires but not so big there was wiggle room around them. After pulling my 5 skewers I taped a wire to one and poked it through.... 3 times. after pulling the skewer out the rubber would close up on the wire making for a nice tight, zero air or water infiltration fit. No need to silicone a thing (as if you could anyway at those depths and angles).

So now for the folks like me who needs to see what the heck I'm talking about..... Here ya go.....
Attached Images
File Type: jpg Firewall Shield.jpg (109.0 KB, 11 views)
File Type: jpg Compass Firewall Access Closed2.jpg (97.5 KB, 11 views)
File Type: jpg Compass Firewall Access Poked.jpg (55.0 KB, 11 views)
File Type: jpg Open Access.jpg (104.2 KB, 11 views)
File Type: jpg Firewall w:wires.jpg (57.0 KB, 11 views)
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