Factory firewall penetration

corwyyn · **Posted:** Thu Aug 25, 2005 10:52 pm

OK, I had this posted in a thread over on the old ez-board forum, figured it would be good to put it up in the tech section here. This is a write-up I did for locating and opening up the Factory Firewall penetration. Hope this helps anyone who needs to run wires thru the firewall and doesn't feel comfortable going thru the rubber boot around the main wiring harness.

EDIT: the original link has gone into the ether (the cable account was closed) but the information lives on at the following links:
Jeep Liberty wiki page (thanks to unixxx)

Jeep Projects page (thanks to hyedipin)

jdumont · **Posted:** Sun Aug 28, 2005 9:17 pm

I did this to run a power wire back to the sub. Its actually VERY easy. Just be sure to seal the hole you put in the plug with RTV or something to keep out the moisture.

Jeep Dawg · **Posted:** Fri Jun 16, 2006 12:12 pm

I have found an easy way to getting though the fire wall. Here is a picture. It sure does beat removing the trim. I am not saying its better then yours, Just giving another option. Where I drilled, there was plenty of room for a cordless drill to get next to the engin.

Se7enLC · **Posted:** Fri Jun 16, 2006 1:18 pm

Jeep Dawg wrote:

I have found an easy way to getting though the fire wall. Here is a picture. It sure does beat removing the trim. I am not saying its better then yours, Just giving another option. Where I drilled, there was plenty of room for a cordless drill to get next to the engin.

I dunno, removing the trim is pretty easy... No screws, just grab and pull. I imagine that a person who doesn't want to pull trim pieces off would also not want to drill anything.

Jeep Dawg · **Posted:** Sun Jul 09, 2006 2:05 pm

Quote:

I dunno, removing the trim is pretty easy... No screws, just grab and pull. I imagine that a person who doesn't want to pull trim pieces off would also not want to drill anything.

This is very true!
I actual should have said, it is really hard to get wires though the hole along with all of the other wires. I have freaking huge hands and I can not do it. I was only showing another way for people with freaky large hands. LOL

jeepkj02 · **Posted:** Sun Jul 09, 2006 3:16 pm

Jeep Dawg, I have a few questions. I am trying to wire some lights and I am going to try your method. Is there any wires, hoses, etc.. behind the firewall I could be damaged when I drill? After you drill where in the interior did you run the lights? What components in the interior did you have to remove to get the switch wired? What is the best location to ground your wire? Thanks for all the help!!!

StarDreamer.us · **Joined:** Fri Oct 06, 2006 9:15 pm **Posts:** 63

I need to get a wire through the firewall on the right side of the Jeep. Anyone found a good place?

corwyyn · **Posted:** Wed Apr 25, 2007 2:37 am

StarDreamer.us wrote:

I need to get a wire through the firewall on the right side of the Jeep. Anyone found a good place?

There is an identical factory penetration on the passenger side - it will be located up behind the glove compartment at the corner of the cab. Should actually be easier to get to than the drivers side one from the engine compartment.

SavageUrge · **Posted:** Sun May 13, 2007 10:09 pm

I used this one yesterday to wire up some auxiliary lights. I found that it is NOT NECESSARY TO DRILL (for those who are rather sqeamish about this sort of thing). Simply use a flat blade screw driver and pry the cap off. It has some sealant on it, but it will come off rather easily. Good find! Just remember to seal it back up when you are done!

marcmann1975 · **Posted:** Sat Aug 04, 2007 8:19 am

corwyyn, the link to the comcast page seems dead. I was hoping you could repost the how to, even a picture will help. thanks

hyedipin · **Joined:** Thu May 11, 2006 10:20 am **Posts:** 1667

http://www.jeepprojects.com/content.php?article.50
I remember he also posted it somewhere else as well.

riptricket · **Posted:** Sat Aug 04, 2007 11:59 am

i have run some wires through the a-pillar where the small circular grommet is...

and

corwyyn · **Posted:** Sat Aug 04, 2007 1:48 pm

marcmann1975 wrote:

corwyyn, the link to the comcast page seems dead. I was hoping you could repost the how to, even a picture will help. thanks

Oops, sorry. Got the new links up in the top post.

hyedipin wrote:

http://www.jeepprojects.com/content.php?article.50
I remember he also posted it somewhere else as well.

Yes, it is over at the Jeep Liberty wiki that unixx is maintaining. Thanks for hosting it on your site Huseyin!

hyedipin · **Joined:** Thu May 11, 2006 10:20 am **Posts:** 1667

Kevin, did you ever get around to posting the pictures of the engine side? And did you check the driver side, is that little plastic that I am seeing on that other side is the same thing? It looked similar.

corwyyn · **Posted:** Sun Aug 05, 2007 3:32 am

Huseyin, sent ya a PM on that. Hopefully I'll get those updated pics posted on the wiki site soon - I have them, just need to edit the page.

hyedipin · **Joined:** Thu May 11, 2006 10:20 am **Posts:** 1667

Thank You Kevin,
The pictures have been added to the article, and they look great, very clear view of the opening.
I think if we pinch it, it can open pretty quickly. Otherwise drilling it to correct gauge would also work, as it will give extra insulation around ATV.

Thanks again.

corwyyn · **Posted:** Sun Aug 05, 2007 2:57 pm

hyedipin wrote:

Thank You Kevin,
The pictures have been added to the article, and they look great, very clear view of the opening.
I think if we pinch it, it can open pretty quickly. Otherwise drilling it to correct gauge would also work, as it will give extra insulation around ATV.

Thanks again.

No problem. Some people are just sticking the blade of a long flat screwdriver under the edge inside and popping it out. You could probably even put the screwdriver against it on the engine side and push the plastic plug thru - it's not like they made it impossible to get out

JMM · **Posted:** Sat Oct 06, 2007 6:14 am

[quote="Jeep Dawg"]I have found an easy way to getting though the fire wall. Here is a picture. It sure does beat removing the trim. I am not saying its better then yours, Just giving another option. Where I drilled, there was plenty of room for a cordless drill to get next to the engin.

[img]http://luken.150m.com/firewall.JPG[/img][/quote]

For some reason I cannot see the picture - can you try to PM it to me please?

Factory firewall penetration

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