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CURT

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Part Number: C56368

24 Reviews | 6 Questions

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$73.67

Retail:$121.95

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SCHEDULE AN INSTALLATION

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring. Powered converter reduces strain on wiring system and is made using SMT to ensure superior performance. 1-800-940-8924 to order CURT custom fit vehicle wiring part number C56368 or order online at etrailer.com. Free expert support on all CURT products. Great prices and Fastest Shipping for Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector. Custom Fit Vehicle Wiring reviews from real customers.

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CURT Custom Fit Vehicle Wiring - C56368

Highlights

Custom Fit for Your Vehicle: Works with your vehicle's wiring
Tow Without Factory Prep: 4-way flat connector powers trailer lights for safe towing.
Plug-and-Play Install: T-connectors plug behind both tail lights—no splicing needed.
Protected Wiring: Powered converter isolates trailer load to prevent vehicle circuit damage.
Clean Setup: Hidden design routes wiring through trim for a factory-style look.
Reliable Signal: Weather-sealed plugs ensure solid tail light and turn signal connection.

Features to know about

Installs Without Cutting or Splicing: Plug-In T-Connector

Wiring a trailer can look tricky, but this harness keeps it simple. The Curt T-Connector plugs in behind both tail lights using factory-style connectors. There’s no cutting or tapping into wires, so it’s a clean setup that keeps the vehicle wiring intact.

Protects Vehicle Circuits: Powered Converter Box

This harness includes a powered converter that isolates the trailer’s wiring from the vehicle’s circuits. That extra protection helps prevent overloads or signal interference when the trailer lights draw current. It also means you get consistent running, turn, and brake light signals every time you tow.

Ready for Standard Trailer Lighting: 4-Flat Connector

Once installed, the built-in 4-flat connector gives you the standard lighting functions needed for towing—running lights, turn signals, and brake lights. It’s ready to plug into most small and mid-size trailers right out of the box.

Tidy and Hidden Setup: Factory-Style Routing

With its hidden, vehicle-end connector design, this harness routes neatly through existing trim and stays out of sight when not in use. It keeps things looking stock and avoids exposed wiring that can get snagged or damaged.

Specs

56368 CURT T-Connector Vehicle Wiring Harness with 4 Pole Trailer Connector

Similar to Tekonsha 118573

Installation Details C56368 Installation instructions

This Product Fits The Following Vehicles

2015 - 2016 Subaru Impreza 5-Door Wagon
2012 - 2012 Subaru Impreza 5-Door Wagon - Base model
2013 - 2014 Subaru Impreza 5-Door Wagon - excluding WRX and WRX STi
2012 - 2016 Subaru Impreza 5-Door Wagon with Single Exhaust

Customer Satisfaction Score:

93% were satisfied with this product

7% of customers were not satisfied

Product did not meet expectations
Wrong item was ordered
Defective

7% of customers were not satisfied

Product did not meet expectations
Wrong item was ordered
Defective

4.2

24 reviews

5 Stars		(17)
4 Stars		(3)
3 Stars		(0)
2 Stars		(0)
1 Star		(4)

by: Keith 08/14/2018

2016 Subaru Impreza

First I would like to commend etrailer on their customer service. I received this wiring harness for my 2016 Subaru Impreza 5-Door Sport Limited. Installation wasn't too bad except that the plugs are WAY too big to fit through the existing grommets for the taillight assemblies. They say "make a small cut," but really you need to just cut a wide circle. If you cut too long of a slit, you risk cutting through the end. So just cut a wide circle. Look at my pictures for size of the grey plugs compared to the grommet.

I wired everything up, and headed out 750 miles to buy a trailer over a weekend. When I connected to the trailer the brake lights and turn signals worked, but the tail lights did not. I drove the 750 miles home anyway, just not at night. I did some trouble shooting with a voltmeter and saw that the brown wire in the connection didn't have any power. I emailed etrailer and they sent me a new one.

A few days later the new one arrived and, after having to uninstall the old and reinstall the new harness, it also didn't work. Instead of using the voltmeter I went and bought an inexpensive 12 volt light bulb tester. I was able to verify that my hot wire from the battery and the ground were working. The brown wire, which feeds the tail lights, was not. I checked the brown wire before the black box in the harness and it also wasn't getting power there. So I followed the brown wire back to the driver's side plugs on the harness.

The vehicle plug has six spots, but only 5 have wires coming in. You can see it in the pictures. The Curt harness has six wires. The brown wire was connected to the spot where there was no vehicle wire. That's why it wasn't getting any power. I called Curt Customer service and they had no explanation. They verified my VIN and that this harness should work for my vehicle; they have had no other calls regarding this harness, but they also don't know how many other people have tried my specific year. They think there is a possibility this will only effect some individual cars or perhaps my entire model year. But apparently my car has a different rear light assembly than they think it is supposed to have.

I was able to cut and splice the appropriate wires with solder and heat shrink. I now have a working harness, but I should not have had to go through these lengths for a harness that was supposedly built for my vehicle. If you want a harness for your Impreza I would recommend you give one of the other brands a try and not this Curt model.

Click to Enlarge

by: Gregory S 07/15/2021

2013 Subaru Impreza

I installed the wiring harness in a 2013 Subaru Impreza 5-door. The biggest challenge was running the power supply wire to the battery. Here's what I did.
I removed the rear seats (check online videos for details) and the threshold trim from the driver's side (both driver and passenger trim). I then ran the wire through the door jam up to the fuse box (lower left of steering wheel). I then used a fuse tap to extend an extra circuit from the unused 20 amp trailer circuit. The fuse tap allows you to install a separate fuse for the extension - I picked 10 amps (of course). The circuit is NOT switched - it's on even when the key is out. So I disconnected the tap while connecting the power wire to the wiring harness. Works like a charm and looks good (invisible).
It took a lot longer to figure out how I was going to hook the power wire up (lots of googling) than to actually do it. For other automobiles, I recommend checking for audio amp installation guides - they have similar issues.

Click to Enlarge

by: Milo 10/20/2025

2015 Subaru Impreza

I have used this on my 2015 Subaru Impreza with great results,... I personally misread the product description and I mistakenly ordered the same one for my 2013 WRX.. notes to future customers this does not fit a WRX but works very well on the base model and Impreza

by: Nathan 02/10/2026

works great

by: Muhammad 07/29/2025

I use the product and my right turn. Signal is staying on now and I would rather get a refund.

by: Ricky 05/01/2024

2015 Subaru Impreza

Wiring kit came just as advertised , plug and play. Installation was easy, only time consuming part was running the power wire to the battery underneath all the plastic car panels. Everything seemed to work until I noticed my passenger side back up light was constantly on whenever I turned my lights on. And as I expected after, would turn off when I put the car in reverse. After taking the taillight out and a quick inspection I saw that the adapter plugs had 2 wires, the running light signal and the reverse light signal, connected to the wrong pin locations. Slightly disappointed, but a quick cut and resplice of the 2 wires made a quick correction. Hope they fix this in the future. Overall still good product worth the buy.

by: Benjamin 03/30/2026

It blew some fuses and apparently it is faulty after less than 6 months and never having a trailer plugged into it..

Mike L.

4/2/2026

I'm sorry about that Benjamin! I'll have that taken care of for you....

by: Kenneth 06/10/2019

Good Product. I am a guy that likes a challenge although this wasen't much of one.. easy instructions, straight forward application and tools this was a fun project. my best advice would be if you're putting together a project of sorts make sure you speak to a rep before you order, that way all the parts you order work well together..

by: Dobry 07/30/2025

2012 Subaru Impreza

A little tricky of an install but works great!

by: Chris 06/13/2023

2015 Subaru Impreza

I haven't installed it yet, but it seems to be the proper equiment for my 2015 subaru impreza hatchback.

by: Jeffrey 11/18/2022 One Year Later

Has done exactly what it was supposed to do. Recommended

by: Juan 10/17/2024

They thought about just about everything! The hardest part is wiring it to the battery.

by: Steve W 05/17/2019 One Year Later

Worked great on my Subaru Impreza

by: Mark 06/04/2026

by: Jeffrey 06/11/2022 One Year Later

by: Mark 10/31/2021

by: David 07/25/2021

by: William 07/15/2021

2015 Toyota RAV4

by: Scott 04/17/2023

by: John 09/15/2021

2013 Subaru Impreza

by: Nicholas 07/19/2021

by: William 05/25/2021

by: Gary 08/01/2022

by: Michael 07/25/2021

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See what our Experts say about this CURT Custom Fit Vehicle Wiring

Do you have a question about this Custom Fit Vehicle Wiring?

Best Hitch for 2016 Subaru Impreza 5-Door Wagon
I do have a solution for you and can provide you the information you need, however, the hitch you currently have will not fit as needed. The EcoHitch # 306-X7241 that you have does not fit on the 2016 Subaru Impreza 5-Door Wagon model. The reason the sedan model will not work on your wagon will be related to the factory mounting holes in the frame, muffler placement, and other body parts. The hitch I am selecting for you today has already been test fitted to your vehicle. Because you...
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No Power to Trailer Tail Lights Using Curt T-Connector Vehicle Wiring Harness for Subaru Impreza
If you don't have trailer tail lights using the Curt T-Connector Vehicle Wiring Harness part # C56368 then you'll first want to test the brown wire going into the converter box. If you don't get power here then you have an issue with the tee connectors (wrong side, pinned incorrectly, not seated fully). If you do get power, check the brown wire leaving the converter box. If there's no power you have a bad converter box and the harness will need to be replaced. If there is power then the...
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Trailer Wiring Harness Installation on 2015 Subaru Impreza
Unfortunately, I don't have any video footage at this time to provide you but I have a better set of instructions with more photos that might be more helpful. Curt offers the # C56368 wiring harness that installs in the same manner as the Tekonsha # 118573, so their more helpful and clear instructions should make things a little more clear for you. I've linked the instructions for you to look over. If you have any specific questions, please let me know and I'd be happy to help.
view full answer...
Recommended Hitch for a 2013 Subaru Impreza 2.0i Premium Hatchback
That one won't but I have one that will. I checked with EcoHitch and the correct hitch for your 2013 Subaru Impreza 2.0i Premium Hatchback is item # 306-X7211. This one fits the 5-door wagons with single exhaust. It is a class III hitch with a 2" receiver. The EcoHitch item # 306-X7241 you were looking at fits the 2013 sedans. If you are planning on towing you will also need a wiring harness item # C56368 and a ball mount kit item # C45534.
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Trailer Hitch Receiver and 4-Way Vehicle Wiring Harness For a 2015 Subaru Impreza Wagon
The Curt # C111203 you found is for the 2008-2014 Subaru Impreza wagon. Since you have a 2015 I would recommend the EcoHitch Invisi Trailer Hitch Receiver # 306-X7211 if you have the removable knock out panel on your rear fascia. This will give you the more popular 2" receiver opening and since it sits above the bottom of the fascia you will not have to worry about any reduced ground clearance or departure angle for tall curbs. If you do not have the removable panel on your rear fascia...
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Trailer Hitch for a 2015 Subaru Impreza 5-Door Hatchback
Curt lists trailer hitch # C11286 as a fit for the 2015 Subaru Impreza hatchback but it excludes WRX and WRX STi models. If you plan on doing some towing use ball mount # C45521. For a ball use # 19256 for a 1-7/8 inch or # 19258 for a 2 inch. Then for the pin and clip use # F-4. For trailer wiring use # C56368 that plugs in behind both tail lights.
view full answer...

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Info for this part was:

Edited by:

Lindsey S

Installed by:

Cole B

Updated by:

Wilson B

Updated by:

Kristina F

Updated by:

Isabelle B

Written by:

Amanda M

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