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  1. Custom Fit Vehicle Wiring
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  4. Custom Fit
  5. Trailer Hitch Wiring
  6. Powered Converter
Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
CURT

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

Part Number: C56RV
In Stock
$85.73
Retail:$125.95
You Save: 32%
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 C56RV 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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  • Reviews (3)
  • Q & A (0)
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CURT Custom Fit Vehicle Wiring - C56RV

  • 4 Flat
  • Custom Fit
  • Trailer Hitch Wiring
  • 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.


Features:

  • 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


Specs:

  • Maximum amperage:
    • Stop/turn lights: 5.0 amps per circuit
    • Tail lights: 7.5 amps per circuit
  • Limited 1-year warranty


Installation

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 cargo area floor board and loosen the side-wall trim. 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.



56524 CURT T-Connector - Surface Mount Technology - 4 Wire

Installation Details C56RV Installation instructions

This Product Fits The Following Vehicles




Customer Satisfaction Score:


Customer Reviews

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - C56RV

Average Customer Rating:  5.0 out of 5 stars   (3 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.

by:

Everything fits and works perfectly. I should have also ordered the holder for the 4-pin connector. It would have saved me a trip to the hardware store.



by:
2024 Toyota Grand Highlander

Everything fit perfect and as stated it was and easy install



by:
2024 Lexus TX 350


3
3

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

  • Recommended Trailer Hitch For A 2024 Toyota Grand Highlander Hybrid With Dual Exhaust
    Hey Micah, I confirmed with Curt that the Curt Trailer Hitch Receiver # C26VV would be a fit for your 2024 Toyota Grand Highlander with dual exhaust. If you plan on towing a trailer then you'll want to pick up the Curt T-Connector Vehicle Wiring Harness # C56RV if you have the tow package or the Curt Powered Tail Light Converter # C59236 if you don't.
    view full answer...
  • Recommended Trailer Hitch and Wiring for a 2023 Toyota Highlander
    For your 2023 Toyota Highlander you can use the etrailer Trailer Hitch Receiver # e75ZR for a hitch and the Curt T-Connector Vehicle Wiring Harness for Factory Tow Package # C56RV if you have the towing package or # C59496 if you don't have the towing package.
    view full answer...
  • How to Tell if 2020 Toyota Highlander XLE Has Factory Tow Wiring
    The 2 easiest ways to tell if your 2020 Toyota Highlander XLE has the factory tow wiring is to either check behind the paneling next to the 3rd row seating on the driver's side to see if a connector is there that the Curt # C56RV module plugs into, or to reach out to your local Toyota dealer with your VIN and they can get that info for you. If you don't have the factory wiring then you need the Curt T-Connector Vehicle Wiring Harness # C76CR which tees in behind your tail lights and pulls...
    view full answer...
    Image 1 for
  • Does this Hitch Fit the 2025 Toyota Highlander?
    Yes, it does Vince! The Curt Hitch item # C99FR has been confirmed to fit all models of the 2025 Toyota Highlander including the XSE and hybrid models. This class III hitch is custom fit and bolts to your Toyota with included hardware. It has a 2" receiver, a 5,000 lbs towing capacity, and a 500 lbs maximum tongue weight. I really like the Curt Hitch item # C99FR because the entire crossbar mounts behind the rear bumper leaving only the 2" receiver exposed. This not only looks better it...
    view full answer...
  • Parts Needed to Tow Malone MicroSport Trailer With 2024 Lexus TX 350
    Hi Jared; if you want to tow the # MPG461B2 with your 2024 Lexus TX 350 you will need a hitch, wiring, and a ball mount. I recommend the following: -Curt Trailer Hitch Receiver # C26VV -Curt T-Connector Vehicle Wiring Harness # C56RV -Curt Towing Starter Kit for 2" Hitches # C45534 The hitch is a Class III with a 2" receiver and a bolt-on installation. The wiring harness has a plug and play installation and will give you a 4-way to power the signal lights on the Malone MicroSport. The...
    view full answer...
  • 7-Way Wiring Harness For Installing Redarc Brake Controller On 2023 Toyota Highlander
    Hello Andy, thanks for getting in touch. We do offer a 7-way harness for your 2023 Toyota Highlander. Take a look at the Tekonsha OEM Replacement Vehicle Wiring Harness # TK57VR. This will plug directly into the OEM 10-pin connector located on the drivers side behind the trim panel near the seat belt bracket. This kit contains all of the wires and components needed to add the 7-way. The plug in your picture is only used for the 4-pin connector. The only thing worth noting is the # TK57VR...
    view full answer...
  • Recommended Hitch for a 2021 Toyota Highlander XSE
    Yes, it will Skip! The etrailer Hitch item # e75ZR fits all models of the 2021 Toyota Highlander including the XSE. This Class III hitch is custom fit and bolts to your Highlander with included hardware. The 2" receiver will offer you the highest towing capacity and most options for accessories. I have linked an installation video below to show you how to get it set up. If you are planning on towing you will also need a wiring harness item # C56RV if you have the factory tow package...
    view full answer...

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


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Joshua S
Video Edited:
Joshua S
Employee Chris R
Video Edited:
Chris R
Employee Jonathan Y
Video Edited:
Jonathan Y
Employee Dustin K
Video by:
Dustin K
Employee Ethan H
Video by:
Ethan H
Employee Matthew G
Video by:
Matthew G
Employee Michael B
Updated by:
Michael B
Employee Ryan G
Test Fit:
Ryan G
Employee Bradley B
Test Fit:
Bradley B
Employee Bruce K
Test Fit:
Bruce K
Employee Andy C
Installed by:
Andy C
Employee Sabrina W
Written by:
Sabrina W

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