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Unread 05-14-2012, 12:51 PM   #1
wmshay6
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Anybody Add 7-Pin Wiring for Trailer to a JKU

Seriously looking at Jeeps- may need to wait until next year, but maybe sooner.

I found a 12 JKU with 3.73 gears but not the tow package. I can add a hitch- easy. But I need a 7 Pin wiring harness to connect my pop up camper which has electric brakes.

I see some harnesses for 4-pin setups, but not for 7 Pins.

Has anyone added a 7Pin connector / harness to their JKU?

I'm OK for weight with the 3.73 gears, but need to get the wiring sorted out.

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Unread 05-14-2012, 01:29 PM   #2
1222
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I do believe I saw somewhere where a member did just that not very long ago. Have you tried to search for it? I know the search function doesnít always give you great results but you never know. Good luck.
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Unread 05-14-2012, 01:35 PM   #3
theredmonster
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we got a 7 pin harness from the dealer for ours. was plug and play basicly except to controller it self dont remember price but was worth it
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Unread 05-14-2012, 01:40 PM   #4
wmshay6
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Roger that

Thanks for the feedback guys.

If there is a MOPAR plug and play, that's the way I'll go.
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Unread 05-14-2012, 01:53 PM   #5
theredmonster
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Quote:
Originally Posted by wmshay6 View Post
Thanks for the feedback guys.

If there is a MOPAR plug and play, that's the way I'll go.
yes it is, its great we had one on our 08 jku and now we just added another one on our 11 jku.
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Unread 05-14-2012, 02:21 PM   #6
BradJ
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The dealer added one to my '12 JKU. I'm pretty sure it's not plug-and-play as I understand it. They ran wiring up to the battery and tapped through the firewall to wire in the brake controller. It's a nice installation but not like on some vehicles where the wiring is already there for the 7-pin and brake controller.
What type of popup do you have? I just got back from a 1500+ mile trip out to Big Bend National Park pulling a Coleman E1.
The Jeep does fine on the flat sections but when things started getting steep I had to fight to maintain speed. Mine has 4.10s and a manual. My trailer is pretty tall which doesn't help and it's probably pushing 3000# loaded.
My biggest complaint was the mileage I got. Overall, the on-road mileage was between 13 and 14 mpg.
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Unread 05-16-2012, 03:23 PM   #7
oO_Rogue_Oo
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I got my 7 pin setup from the dealer; was about $80 if I remember correctly and yes it is a Mopar part.
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Unread 05-16-2012, 04:48 PM   #8
Lynhalla
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I have a 7 pin and trailer brakes for the same reason you need them. I pull a jayco baja popup camper. I had rv dealer install 7 pin and brakes for $150
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Unread 05-16-2012, 04:54 PM   #9
Brian_in_MT
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Is this what you're looking for?

http://www.quadratec.com/products/92015_111.htm
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Unread 05-16-2012, 06:00 PM   #10
mini-me
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This is the best mod ever. Get the mopar 7 pin harness. Use a hole cut blade and fit it into the body just left of the rear door. Super easy.
image-3149837729.jpg  
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Unread 05-16-2012, 06:38 PM   #11
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^^^ Curious why you didnít install it into your bumper?
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Unread 05-16-2012, 06:38 PM   #12
Alaska-HWY JK
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I had one put on my 2007. It's a Mopar one, not exactly plug and play but not to bad. I try to stay as close to 3500lbs as possible but with the weight of people, dogs and mods I'm always a bit over GCVW. With a head wind the Jeep struggles. I'm on 37s with 5:13s and Hypertech and it just needs more power. We don't go far with it but we wheel the Jeep when we get there. Sometime this summer I'll hook it up to my wifes GC Overland, I know it'll pull it easier. The 49 sq/ft front on the trailer doesn't help. I had a hole cut in my Teraflex rear bumper for the plug.
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Unread 05-16-2012, 11:11 PM   #13
lazerpunk
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Quote:
Originally Posted by mini-me View Post
This is the best mod ever. Get the mopar 7 pin harness. Use a hole cut blade and fit it into the body just left of the rear door. Super easy.
I am at a loss for words...
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Unread 05-17-2012, 06:25 AM   #14
Jeepin_Dad
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I got my everything I needed from etrailer.com, 7-pin, Brake controller, wiring.

Mounted mine inside the stock tire carrier so I don't damage it on the trail.


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Unread 05-17-2012, 09:47 AM   #15
mini-me
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Originally Posted by lazerpunk View Post
I am at a loss for words...
Not sure why you don't like it, it is an awesome place for the wiring. Its tucked up in there, no issues with trails. You can change the bumper etc and no worries and it works great to keep the wire up and away from carnage with the offroad trailer. I have a modified M100 trailer I use with this and it works perfect and looks OEM. Trust me, this is the way to go.
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