Factory trailer wiring...

ryan_p17 · **Posted:** Tue Jun 07, 2011 4:36 pm

i just ordered the factory trailer wiring harness and after looking at the install package online it appears it plugs in the same as my 4 pin curt wiring harness except for the constant battery supply and trailer brake wire. so the dealer told me that it has to be activated in order to work but i don't see how they would be activating the wiring harness, maybe just the trailer sway control? if anyone has any information about this let me know whats up as i see it being a rip off just to charge half hour of labor.

hrogi · **Posted:** Tue Jun 07, 2011 5:17 pm

Half hour labor is a very fair rate..

But this hook up the scanner tool and turn on the features.

Takes about 15 mins i bet..

ryan_p17 · **Posted:** Tue Jun 07, 2011 5:55 pm

yea half hour isn't bad but if it's just for the trailer sway then i'm gonna opt out as people have towed trailers for years without this feature.

hrogi · **Posted:** Tue Jun 07, 2011 7:47 pm

I say it worth trying it without at first...

THen add it later, if you are told something new..

racer1 · **Posted:** Tue Jun 07, 2011 8:39 pm

Trailer sway control is not a dealer activated option, from the factory only.

Dave

ryan_p17 · **Posted:** Tue Jun 07, 2011 10:32 pm

so what is it that they activate, because it seems from all the instructions that everything is hard wired, therefor not needing activation. i guess i will have to wait until friday when it comes in and i hook it up and see if it works or not.

Cherrie 274 · **Posted:** Wed Jun 08, 2011 6:58 am

I was told nothing,but have not added a brake controller yet.

ryan_p17 · **Posted:** Wed Jun 08, 2011 6:53 pm

Cherrie 274 wrote:

I was told nothing,but have not added a break controller yet.

so you are saying that they told you not activating will cause it to still work? if that is the case and everything still works then your brake controller will work as that blue wire goes directly to the 7 pin so no activation wouldn't change anything. i hope this is the case.

ryan_p17 · **Posted:** Mon Jun 13, 2011 11:07 pm

well i installed my factory 7 pin tonight and i can verify that there is no activation required. everything is plug and play, so to speak, and works when you install it.

hrogi · **Posted:** Tue Jun 14, 2011 6:01 pm

This is great news....

Do enjoy the hauling of stuff and toys...

ryan_p17 · **Posted:** Wed Jun 15, 2011 6:05 pm

ok so last night i installed my brake controller and took some voltage measurements on which wire under the dash has +12v when the brake is pushed. if this hasn't been posted before let me know and i will take some pictures and get the wire color(s) for other installs.

Destin4failur · **Joined:** Sat Oct 30, 2010 5:44 pm **Posts:** 8

Hopefully I am missing something, but I just went to the stealership today and they quoted me $160 for the trailer wiring harness (Apparently it goes all the way up to the front of the car and back) so they quoted me $500 max for purchase and install. Am I missing something here? The guy said it would take about 3 hours to install.

I had tried the Curt wiring harness before and it kept blowing my fuse and burning out my left tail light.

So I was going to get the factory one to replace until I heard the above. Is it not as hard as they are making it out to be? If not is there a "How To" floating around out there for it?

THanks

Cherrie 274 · **Posted:** Wed Jul 06, 2011 8:11 pm

Mopar wire harness is expensive. But it shouldn't take more than an hour. It is easy to install "plug and play".

Destin4failur · **Joined:** Sat Oct 30, 2010 5:44 pm **Posts:** 8

I actually found a website that shows how to install the harness. It definitely seems a lot easier.

http://www.jeepworld.com/accessories/liberty/hitch.htm

Cherrie 274 · **Posted:** Thu Jul 07, 2011 7:03 am

That's what I do I always see if there are online directions, prices part numbers ect.. before I call dealer. Lots of info available on line.

ryan_p17 · **Posted:** Thu Jul 07, 2011 4:00 pm

yea the mopar wire harness is more money but it uses relays and your battery as a power source instead of running just off your tail lights. so if you have a camper with a lot of lights you aren't gonna pop a tail light fuse. it is also a 7pin configurations which has 12v accessory and trailer brakes. if you are using a brake controller let me know and i can show you which wire has 12v when you hit the brake.

Destin4failur · **Joined:** Sat Oct 30, 2010 5:44 pm **Posts:** 8

I like the idea of having the 7 pin instead of the 4 pin.

Thanks guys.

Cherrie 274 · **Posted:** Fri Jul 08, 2011 3:30 pm

ryan_p17 wrote:

ok so last night i installed my brake controller and took some voltage measurements on which wire under the dash has +12v when the brake is pushed. if this hasn't been posted before let me know and i will take some pictures and get the wire color(s) for other installs.

Not sure if it has been. Could you post it in this thread. It might make it easier for people. Also if you'd include what controller you used too.
Thank-you Cherrie

Ted15 · **Posted:** Wed Sep 07, 2011 6:35 am

I'm having a similar issue. I purchased the mopar hitch and wire harness. I got all of the wires run and connected but I bad a hard time finding the right wire to hook the blue wire to as it isn't in the instructions and there isn't anywhere to plug an adaptor into like on a truck. Sooo, I poked around the wires on the brake switch and found two that give me 12 volts. Either my brake controller is bad, I picked the wrong wire or something else is wrong. If anyone can tell me which wire to splice it would be a big help. I tapped the first one from the rear that had the voltage. Maybe I got the wrong one but the brake controller doesn't work when I press the brake pedal. It will give me 100% when I move the slide switch, it's supposed to go gradually not all at once. I've had this controller in three vehicles now and it's always worked very well. I have a draw tite controller. Any help would be appreciated and pics are a big help. Thanks. :banghead:

Factory trailer wiring...

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