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  4. Trailer Hitch Wiring
  5. 4 Flat
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Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

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

Item # C56095
Our Price: $51.43
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Custom Fit Vehicle Wiring

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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 C56095 or order online at 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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  • Reviews (8)
  • Q & A (0)
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  • Why etrailer?

CURT Custom Fit Vehicle Wiring - C56095

  • Custom Fit
  • Trailer Hitch Wiring
  • 4 Flat
  • Powered Converter
  • CURT

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.


  • Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights
    • Compatible with 5-pole, 6-pole and 7-pole adapters (sold separately)
  • Connects quickly and easily
    • Locate connection points behind tail lights
    • Plug in T-connector
    • Run hot lead to car battery
  • Includes a tail light converter to ensure that your vehicle's wiring matches that of your trailer
    • Powered module connects directly to battery to avoid overloading vehicle's electrical system
  • Constructed using surface-mount technology (SMT) for consistent, reliable performance
    • Maximizes trailer light yield and intensity while producing minimal heat
    • Ensures superior operation in rough road conditions
  • Comes with dust cap for 4-way flat connector


  • Maximum amperage:
    • Stop/turn lights: 3 amps per circuit
    • Tail lights: 6 amps per circuit
  • Limited 1-year warranty


This custom-fit T-connector plugs into your vehicle's wiring harness, which is located behind the driver's-side and passenger's-side tail lights. You will have to remove the tail light assemblies to access this harness. Once you've plugged in the T-connector, run the hot lead up to your car battery. Connect the lead to the included fuse holder, and then connect the fuse holder to the positive terminal on your battery.

Once installation is complete, the 4-way connector will be stowed beneath your vehicle, near the trailer hitch. A mounting bracket (sold separately) is recommended to keep the connector secure.

It is recommended that you use a small amount of grease on all electrical connections - the plugs on your automobile and the 4-pole connector itself - to help prevent corrosion.

Powered Tail Light Converter with Surface-Mount Technology

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.

Curt SMT Circuit Boards

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.

56095 CURT T-Connector - Surface Mount Technology - 4 Wire

Installation Details C56095 Installation instructions

This Product Fits The Following Vehicles

California residents: click here

Customer Satisfaction Score:

Customer Reviews

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - C56095

Average Customer Rating:  4.9 out of 5 stars   (8 Customer Reviews)

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.


Exactly what I needed


Great product. No splicing makes it easy. A couple observations: Could've used some more zip ties, and the double sided tape included for mounting the controller didn't stick so I had to use hot glue. And the connector to the trailer wiring didn't fit with the brand new connector on my trailer, so I had to modify a bit.

by: 05/14/2021
Lincoln MKT

Very nice and very easy to install. Lincoln MKT 2019

2019 Lincoln MKT

Ordering was easy. Two days later I received an email that my order had already shipped. Received another that it had been delivered. I was very impressed with all the follow-up.



Works great. Installs in a flash.




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

  • Plug and Play Trailer Wiring Harness Fit for 2015 Lincoln MKT.
    I checked with Curt and the Curt T-Connector Vehicle Wiring Harness # C56095 that you referenced is confirmed to fit your 2015 Lincoln MKT. This wiring harness will plug in behind your vehicle's taillights to provide stop, turn, and tail light signals for the trailer wiring. The harness features a powered converter so that the trailer taillights do not pull power from your vehicle's light circuits, so the power wire will need to be routed to the vehicle's battery. I have linked the installation...
    view full answer...
  • Trailer Hitch for the 2019 Lincoln MKT EcoBoost
    We do not carry a Reciever hitch for the 2019 Lincoln MKT. I'm unsure of the reasoning behind this. You will have to check with the dealer about a fitment. I can help you with wiring using the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector part # C56095 will work for the vehicle. It provides a 4-way flat trailer connector for you to use for any trailers or lit cargo carriers.
    view full answer...
  • Is a Powered Tail Light Converter Needed for Trailer Wiring Harness On a 2014 Lincoln MKT
    Yes, the trailer wiring harness options for a 2014 Lincoln MKT will have a powered converter as the vehicle's taillights aren't sufficient enough to power both sets of tail lights, the trailer and vehicle. The Curt T-Connector Vehicle Wiring Harness part # C56095 is a great splice free option that I recommend.
    view full answer...
  • Wiring Harness Recommendation for a 2012 Lincoln MKT
    I have a wiring solution for your 2012 Lincoln MKT, but the T-One Vehicle Wiring Harness # 118472 that you referenced is not a confirmed fit for you vehicle so I would not recommend it for you. If you do not have any trailer wiring connectors at all I would recommend you get a Curt Wiring Harness # C56095. This wiring harness has been confirmed to fit your vehicle and would work well. I attached installation instructions for this product for you to check out.
    view full answer...
  • Does the Curt T-Connector Vehicle Wiring Harness for Lincoln MKT Have a Warranty
    It sounds like you have the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56095. This product comes with a 1-year limited warranty. If you are outside of the warranty period and need new wiring, I recommend getting the Tekonsha T-One Vehicle Wiring Harness # 118507 instead. When it comes to wiring we have found Tekonsha to be the most reliable. This will have the same installation process as your Curt wiring harness and the same limited 1-year warranty....
    view full answer...
  • Can Trailer Wiring Harness Power Wire be Ran through Firewall on a 2010 Lincoln MKT
    If there isn't an easily accessible point of entry into the engine compartment through the firewall on your 2010 Lincoln MKT then you will need to drill a small hole to run the wiring harness power wire. There are a couple of things to be aware of. First, be careful that the other side of the firewall is clear. And second after making the hole and route the wire through it be sure to seal it up with silicone such as # LT37464.
    view full answer...
  • Trailer Hitch Receiver, Wiring Harness & Mounting Bracket For 2010 Lincoln MKT
    We do have everything you need for a trailer hitch receiver, wiring harness, and mounting bracket for your 2010 Lincoln MKT; I'll go ahead and list out all the parts for you: - Draw-Tite Max-Frame Trailer Hitch Receiver # 75679 - Curt T-Connector Vehicle Wiring Harness # C56095 - Mounting Bracket 4-Pole Flat # 18144 - No-Drill Mount for Electrical Mounting Bracket # 18140 The Draw-Tite hitch has the best ground and bumper clearances for your '10 MKT and will give you a strong, 2 inch...
    view full answer...
  • Does The Tekonsha Voyager 39510 Fit a 2013 Lincoln MKT with Tow Package
    Brake controllers themselves are not vehicle specific but the wiring adapter is a vehicle specific item. If you have a factory installed 7-way trailer connector then the Tekonsha Voyager Trailer Brake Controller # 39510 in conjunction with wiring adapter # 22292 is considered a fit for your 2013 Lincoln MKT. If you do not have a 7-way trailer wiring already installed in your truck you can use the Universal Installation Trailer Brake Controller # ETBC7 kit to hardwire in a 7-way in using...
    view full answer...
  • Trailer Hitch For 2018 Lincoln MKT For Towing a 4,000 Lb Trailer
    I was able to confirm that the Draw-Tite Max-Frame Trailer Hitch Receiver part # 75679 is a fit for the 2019 Lincoln MKT which is the only option. It is a great option with a custom fit design that does not require drilling into the frame of the Lincoln MKT. This will give a 2" receiver on the Lincoln that can tow 4,000 lbs however you do want to check the owner's manual to make sure you can tow 4,000 lbs safely. For the trailer wiring, I recommend 7-way plug part # A10-7072VP which will...
    view full answer...

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