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There’s no need to cut or splice wires with this harness. The Curt T-Connector plugs right into existing factory connectors behind the driver-side trim panel. Once connected, it gives you a 4-pole flat trailer plug that’s ready for your trailer’s signal lights without altering your factory wiring.
Many vehicles use the same rear wiring harness for added features like backup cameras. This Curt harness includes an extra white quick-connect lead that keeps those systems working while still delivering power to your trailer lights. It’s designed so everything continues to operate as it should after installation.
The built-in powered converter isolates and protects your vehicle wiring from the draw of the trailer lights. It supplies consistent power to running, turn, and brake lights, helping prevent overloads or signal interference on the vehicle side.
The 4-way flat plug gives you standard trailer lighting functions and easily pairs with a 7-way adapter when you’re ready to add a brake controller or charge line. It’s a solid foundation for everything from small utility trailers to more advanced towing setups.

Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
I was t-shooting a dealer install of a hitch/harness on my 2008 Odyssey using etrailer's very helpful information. After some time I ruled out the obvious fixes and narrowed it down to the harness but nothing specific. This harness replaced the other and it has performed flawlessly since.
Quick and easy installation.
My Curt wiring harness shipped quickly and worked fine when I installed it. I thought it was expensive but then it had molded connectors so I'm sure that drives the price up. The instructions could have been better.....left me guessing a few things but that's no reflection on etrailer.....they're great.

Charles
3/14/2019
Still happy
Product arrived on time and as promised. Installation was a snap. Instructions included with the product for installation into my 2011 Honda Odyssey were OK, but a bit light on details for removing the scuff panel and rear side panel prior to installation. Fortunately, I viewed a video on etrailer.com that showed installation on a 2012 Odyssey that clearly showed what to do to remove the panels from the van. This was absolutely fantastic knowledge that helped me, a first-timer in this sort of thing, gain the confidence I needed to do the work. Thanks go to the etrailer.com folks for their online info like this! I will point out that I had the advantage that I was changing out a dealer-installted defective unit, so I could see basically what the final install was supposed to look like. Bet even without that, this would have been easy because of the info at this site.

Steve W.
6/4/2014
Everything is still working just great. I will comment that with the new LED trailer lights I installed about the same time, when the van is turned off and the trailer is still plugged in all the trailer lights glow very dim only notice it when it is dark out. Not sure if this is a wiring issue on the trailer or what, and it seems to do no harm.

Let me tell you a story....my husband, two young children, and myself just moved from Maryland to Florida during a pandemic. Talk about stressful. Couple that with the fact that my son is high risk, my husband was starting a new position at Eglin, AFB, I myself am teleworking full time, and everything that COULD go wrong with our move DID go wrong. I found out three days before we were to DEPART that the trailer hitch I ordered through a local mechanic arrived with the WRONG WIRING HARNESS. For this move my famiy and I had a real tight timeline to get down to Florida...real tight. Having no wiring harness to pull the 5x8 trailer meant near disaster (what were we pulling might you ask? A trailer full of my dearly departed father in laws tools...like 1,500lbs of SENTIMENTAL TOOLS). I called e-trailer in a panic... pretty much full on panic and the LOVELY man I spoke with assured me that 1. they had a wiring harness that would fit my 2016 Honda Odyssey and 2. It would arrive in time for us to install and depart. I'm going to admit I was skeptical. VERY skeptical but I gleefully paid and thanked the gentleman I spoke with. NAY TWO DAYS LATER the harness arrived EARLY!!! We installed it EASILY and without issue (I can update with pictures later but...it looks like a wiring harness) stuffed our minivan full of kids and crap and slapped the trailer on the back of it. We made our 15 hour drive to our new home (aside from the fact that my children are terrible in the car and pretty much scream puked the entire time) easily. I am seriously impressed with the customer service I received AND the excellent pricing (although to be honest I would have paid WHATEVER to get the darn thing on time). I cannot recommend this company and this part (seriously easy to install...I did it with a 3.5 year old clinging to my leg, a 6 year old blaring the horn and a very tired husband observing). ANYWAY thank you e-trailer y'all really are the best.

Carrie P.
12/8/2021
Everything worked great for our move and continues to work perfectly!
This really was a piece of cake to install after watching the video. I used the same grounding bolt they found.
Thanks. Excellent service
Plug and play. Seems to work!
Perfect Kit! Everything I needed was in cluded.
The wiring harness works great. After pulling off the plastic panel in the van, it was a simple plug and play process.
Install was easy. Received on time. Have not had to use it yet. If all work well this would probably be a five star review.
Once the wiring harness arrived, it was installed in less than 20 minuets. Tested it out on the trailer and everything worked great. If I need sports in the furture, this is the first place I’ll look.
Thank you
I didn't like that this is designed for the wire to just come out of the wall panel into the rear cargo area. I cut the wire, drilled a hole into the side pocket, inserted the wire through the hole and reconnected it. Now the wire stores neatly entirely in the side pocket.
Quick install. Easily fit in fuse box. Though I pulled the wire out the side as seen in the pic rather than at the bottom of the door opening. There was an extra white connector but I didn't see anything to connect it too, so I disconnected it.
Easy install with directions and video combined covering most steps. Harness had additional multi connector that was not used (but not mentioned in any directions). Glad I read earlier review that noted this before my install. Decided to store harness in vacuum hatch when not in use.
Worked!! Quick install.
Was a good price, shipped fast, and fit my car just like it was supposed to!
Very easy to install. I did not like the idea of the wiring just hanging in the trunk area, so I cut an opening into the storage compartment on the side trim panel so I could feed the wiring into it and keep it there when not in use.

Roy
5/15/2013
Great idea - I did the same thing, thanks! Installation was very easy, under 30 minutes start to finish.


John O.
7/13/2013
did the same thing. worked well. Thanks for the idea.
E trailer is a very great company, excellent follow thru and attention to detail. Their videos make installion a breeze. Even if you mess up and buy a stupid piece of crap Chinese company. Go with USA made and produced product. Might be a few dollars more, but very worth it. Buy Etrailer products only,or you will regret it.
Super easy to install, haven't hooked a trailer to it yet, but honestly less than 5 minute project! Couldn't ask for better, and saved a lot by doing it myself!!
Worked out perfect for my 2012 Odyssey. Easy to install, just watch the video.
It worked great and was relatively easy to install.
Easy to install. the etrailer video really helped. install took less than 30 min. bought a cheap tester and everything worked fine.
Easy installation, took approx 25 minutes or so. Pulled back trim and plugged in... EASY. Came with everything I needed including fuses, twist ties, and adhesive for unit.
Must difficult part was making sure I could find the right fuse locations in the car to add.
Bought with receiver kit. Whole installation took approximately 45 minutes (a little longer to make sure wiring was put in place).
2 days later used it unexpectedly to retrieve friend's broken down vehicle... worked great!

Bob I.
7/22/2020
Sill working out great! Durable, no problems using, it has more than paid for itself.
orderihng process was seamless and quick, with total cost in line with competitors. All in all a smooth event. NOW hoping the YouTube videos are a reliable indicator of the time it will take to change the broken one for the new one. Removing interior panels is always a bit of a pain....
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A. M.
10/5/2022
I have not had any issues with this harness since installation and it has been several trips to the lake and down to FL.