Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
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Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into existing wiring. Powered converter reduces strain on wiring system and is made using SMT to ensure superior performance.
Features:
Specs:
Installation
This custom-fit T-connector plugs into your vehicle's wiring harness, which is located in your rear cargo area. You will have to remove interior trim paneling to access the connection point. Once you've plugged in the T-connector, insert the included 10-amp fuse into the in-line fuse holder.
Once installation is complete, the 4-way connector will be stowed in an out-of-the-way location within your cargo area.
It is recommended that you use a small amount of grease on all electrical connections - the plug on your automobile and the 4-pole connector itself - to help prevent corrosion.
A tail light converter is built into this T-connector. This converter is a circuit-protected, battery-powered unit that bypasses the electrical routes that are used by a basic wiring harness. As a result, there is virtually no draw on your tail light circuits.
Because most trailers run on a two-wire system - wherein the brake and turn signals are carried on one wire - the separate brake and turn signals from your vehicle's three-wire system need to be combined so they are compatible with the wiring system of the trailer. This converter combines the brake and turn signal functions of your automobile so that they run on one wire to properly activate your trailer's tail lights. Note: This will not affect how the tail lights on your vehicle operate.
Curt builds each tail light converter using surface-mount technology (SMT). This method of construction involves soldering electronic components directly to the surface of a printed circuit board. SMT eliminates the need for leads, which are used in older through-hole technology. The result is a circuit board that is smaller yet provides more routing area and that offers superior performance, reliability and durability.
Circuit boards constructed using SMT have been shown to perform better under rough conditions with excessive vibration than those made using the through-hole method. And where would vibration be more likely to occur than in towing applications? Curt converters also produce less heat, leading to increased durability and longer life. In addition, lower levels of resistance ensure better performance, especially for parts that operate at higher frequencies.
Each Curt circuit board is made using high-quality components that are pieced together in the most technologically savvy fashion, leading to greater predictability and reliability in functioning.
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I'm a bit early on a review of the lighting kit as it just arrived today but if it's as good as the hitch itself then I'm sure I'm not jumping the gun. The hitch install went without a hitch (no pun intended) on my '01 Subaru Outback. The hitch install was straightforward with no difficulties. I honestly was inpressed with the use of the reverse fishwire on the frame bolt install as I'd never thought of that before. One day soon I'll get the lighting harness installed. I don't expect any difficulty with that either. The hitch install itself does require an extra pair of hands to help hold the hitch in place while getting the first bolt in. I'm a bit slow and very careful/deliberate so it took me a couple hours to install. Delivery was very quick and efficient. I'm pleased with the quality.
Easy installation and it works! It took longer to come than I was hoping but that’s what I get for being cheap and hoping for faster shipping lol. Overall I’m stoked to have a light hookup for my trailer so I can start my lawn business! If you need trailer lights, this is a great option and super affordable!
Could not be easier to install. A definite necessity when your vehicle is wired with the brake lights and turn signals running off of the same or single filament circuit. Saves you from having to cut and splice your factory wiring.
I'll start off and say that this product looks and feels five star, but I'm docking it one because the installation docs and video are very mismatched and conflictive. The one-page paper installation doc was barely applicable, while the video was much, much better. Use it!
Pulling out the few pieces of the car necessary to gain access to the OEM plug was relatively easy. Where things got messy was where to actually put the "control" block for this thing. The video shows a self-adhesive backing which was not present. There are included zip-ties but no really good place to use them. I didn't want to leave it loose in there to become yet another rattle in the car, so I ended up securing it with that foil tape used for duct-work. It seems to have done the trick.
Routing the cable was easy, and I dropped it under the spare tire and through a grommet, resealing it with silicone when I was done. I'd have loved to see some kind of cable management included for under the car and around the hitch, rather than the four independent wires being just ad-hoc wrapped around things.
Electrical testing worked flawlessly, and all outputs were signaling correctly.
Great product. This took under 5 minutes to install. The Forester 2006 had the electrical connector under the floor tray on the passenger side at the very rear under the taillight hidden by a plastic flap. Lift up flap, plug in, then snug the hardware into the side well.
You can run the wire and trailer connector through the 1" hole at the rear of the wheel well capped by a large rubber plug so the wire disappears under the spare.
Box arrived with a couple holes torn and hitch hanging out one corner, but l accepted it hoping for the best. Installed hitch and wiring harness by myself in about 2 hours from start to finish... probably could have done it faster with help, starting the bolts was frustrating but doable nonetheless. Product seems well made, no complaints there. Dealing with Etrailer has been a good experience so far and will most likely be a returning customer.
Attached pic of hitch hiding under bumper, just how l like it!
Product, shipping, website, return policy all were perfect. Will for sure use this site in the future. Only reason i didn't give it full excellent review was because I found my hitch cheaper two on 2 other sites. That being said those sites didn't have the amount of reviews etrailer did which further explained the ease of install by customers....and gave me that desired warm and fuzzy feeling when ordering from the World Wide Web :)
Wiring installation instructions complete with pictures made me feel like superman with a phd. Well done etrailer. Well done.
Plugs right in, 5 minute install. Works great
Great internet service, good customer service, great experience will use this company in the future for sure !
Jack W. 
4/9/2022
Excellent product, works great, this is the third product purchased from etrailer they all are quality products
Great Service
The trailer wiring harness was perfect for my Subaru! It was easy to install and worked correctly.
True plug and play! Video was great except my harness was on the driver side of my 08 outback not the passenger side.
It took me 30 seconds to hook up the trailer wiring to my 1999 Subaru Forester's stock wiring using the simple connector. Well designed and works great.
Easy peasie is what this is. Quick connect inside vehicle makes it easy and the videos are great too. Thanks again
Anthony
6/21/2024
The hitch and wire combo worked out great. This is probably the 4th set up I have bought through etrailer because I switch vehicles often and always need a hitch set up on new vehicle Im rolling in. E trailer is my go to for this,there web site is easy and fast shipping.
quick install, and worked well! So much easier than trying to freestyle the wiring.
Cole
11/4/2024
I sold the car since installing, but it worked well for the 6 months I used the wagon to tow my small trailer after installation! Super simple, quick and easy.
Shipped on time as advertised and complete. Instructions were well written and accurate for hitch itself, but missing a couple steps for the electrical connector kit, (as for taking apart the car trim) so took some time to figure out. (The instructions were from the manufacturer and not etrailer.com itself). Connector worked fine on installation.The fit of the hitch was very precise, so precise that at first I thought it wasn't the right model. But I persevered, and it did fit. The close and precise fit is appreciated, it should help eliminate possible looseness, rattling, and weakness. This is my third Curt hitch from etrailer.com on 3 different cars. I would definitely buy from them again.
Kent R.
12/27/2017
These are not the first Curt products I ordered from Etrailer. After a year, I have no complaints about the products, and certainly none about Etrailer. I find the Curt products well designed in form, fit, and durability, and etrailer a fast and efficient way to order them.
2008 Outback
Wires are good quality. Instructions could be a lot better. "remove left and center black plastic, after locating wire..." The words "wire connector located just forward of left tail light assembly would of been better than all of the instructions given. The plastic on the side goes from the tailgate past the back seat and you don;t need to remove it. You only have to remove a screw in the corner but I had no idea which panel it was behind, center or left towards the front back or middle. Step 2 for outback refers to fig A but mine looks nothing like it, mine looks like fig C.
They also say Tools needed : phillips screw driver. That's it. And step 2 they talk about using a pry tool.
The kit also includes a grounding electrical connector, a electrical splice fitting and a self tapping sheet metal screw with no reference as to what to do with them.
Spending ten minutes to write some instructions would make this about perfect.
Rodney A.
8/12/2018
I use this frequently and have had no problems with it.
Complete kit,easy installation. The wiring harness connected directly to the auxiliary wiring found in the left rear inside pockect of our 08 subaru Outback. All lights on our 2 trailers worked the very first time . We've had this kit for a little over a year, With zero problems. Many thanks to Curt for quality product. Also many thanks to etrailer.com (Laurae) for their fast friendly service.
Dennis B.
1/17/2018
Its a great product. Still performs flawless after thousands of trailer hookups.
Plugged it in, i have lights!! My 02 Forester came with a harness, but when i plugged it into my trailer there were no lights on the right side. I emailed George, got some very helpful diagnostic help, and determined the old harness was faulty. Ordered the new one, plugged it in, viola...good as new :) cant say enough good things about etrailer.com, but i will add that EVERY online business should operate this way.
Erik K.
7/8/2016
Hello, and thanks for following up after the 1st year has elapsed.Product still works great. Etrailer has a customer for life in me, I remain impressed with my experience there :
The wiring, platform, and hitch fit with no issues. A couple of brackets had to be removed but my car service guy said it was no problem. My only problem is I still need a pick up truck. The set up is good for small light loads but my Subaru is just too light weight.
This harness replaced a Draw-Tite one that failed after about 4 years of occasional use. I'm hoping this one, with revised circuitry, lasts longer. It was trivial to install, as it has the correct pin connector for my Forester. In contrast to the previous harness, it has a dust cover and a 10 amp fuse. It worked fine on a 200+ mile drive (including the load for a camera I use for a rearview in my travel trailer).
Kwame M.
7/18/2016
This harness still works perfectly. Like others who bought it, I keep the wiring inside my forester when not in use, rather than mounting the external portion of the connector to the receiver hitch.
The wiring harness/trailer plug worked great, no problems except for the installation instructions. I had to look elsewhere for instruction on how to get to my particular vehicle's built-in plug. The included instructions were not wrong, just too vague. A link to a website with more specific instructions would have been nice. Delivery was quick.
Mark M.
12/18/2014
It works perfectly, no problems at all.
Product arrived on time and was very easy to install. My hook up was right where "etrailer" said it would be and the video made it as simple as plug and play. I hooked it up the day I received it and within 17 minutes I was loading my trailer with deer stands and heading to the woods. The product was perfect in function, price and ease of install. Will definitely use "etrailer" again.
Thank you, John
John Y.
8/19/2015
Still working like new.
The curt trailer wire harness is perfect for 2009 subaru outback. thanks so much for info and product. I will buy additional harnesses as backup for our other cars since my 2009 connector broke at an inconvenient time.
William
11/6/2019
Curt trailer wire harness is still excellent after 1 year.
Great service
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Wayne
9/28/2025
It’s been all that I expected. I use my trailer pretty regularly. Early on I had replaced all the trailer lights with a new LED set. Never a problem.