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  1. Custom Fit Vehicle Wiring
  2. CURT
  3. 4 Flat
  4. No Tow Package
  5. Trailer Hitch Wiring
  6. Vehicle End Connector
THIS ITEM IS NOT A FIT FOR
2003 Ford Excursion
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CURT

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

Part Number: C43VV
In Stock
$91.53
Retail:$142.95
You Save: 36%
Custom Fit Vehicle Wiring
Not Confirmed to Fit

2003 Ford Excursion

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etrailer Installation
We'll connect you with nearby partnered installers who know this exact setup.
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 C43VV 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 (5)
  • Q & A (0)
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CURT Custom Fit Vehicle Wiring - C43VV

Highlights

  • Custom Fit for Your Vehicle: Works with your vehicle's wiring
  • Tow-Ready Setup: 4-flat connector powers trailer running lights, turn, and brake signals.
  • Plug-and-Play Install: T-connector plugs into factory ports—no wire cutting or splicing.
  • Safe Signal Match: Powered converter syncs vehicle and trailer lights for proper function.
  • Hidden, Clean Look: Wiring tucks behind trim for a factory-style finish.
  • No Tow Package Needed: Works even if your vehicle didn’t come pre-wired for towing.

Features to know about

Installs Without Cutting or Splicing: Plug-In Harness

Running trailer wiring can get messy fast if you have to cut into factory wires. This Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector is built to plug right into existing connectors, so you don’t have to splice a thing. It’s a clean, plug-and-play setup that keeps your wiring hidden and protected.

Comparison image showing Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector, displaying wiring harness plugs and connectors for trailer hitch wiring setup.

Built-In Converter for Reliable Power: Works Without a Tow Package

A powered converter is integrated into the harness, which means it can safely draw the power needed for the trailer lights even if your vehicle doesn’t have a tow package. It delivers the correct signals for running lights, turn signals, and brake lights through the 4-flat connector without overloading your factory circuits.

Ready for Everyday Towing: Standard 4-Flat Connection

The 4-flat connector covers the basics most small to mid-size trailers need—running lights, turn signals, and brake lights—all from a single plug. It’s the standard connection that keeps your setup simple and dependable whenever you’re towing a utility trailer, boat trailer, or small camper.

Clean Look and Protected Wiring: Hidden Plug-In Design

With its hidden, plug-in style and solid connectors, this harness keeps everything tucked away neatly behind panels and trim. That not only looks better but also keeps the wiring safe from dirt, water, and snags while you’re on the road.

Specs

Electrical Specifications

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

Note

This will not affect how the tail lights on your vehicle operate.

56508 CURT T-Connector - Surface Mount Technology - 4 Wire

Similar to Tekonsha TK48VR

Installation Details C43VV Installation instructions

This Product Fits The Following Vehicles




Customer Satisfaction Score:

Ratings & Reviews

5.0

5 reviews
Review sort icon
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:



by:

A++++++++++++++++++++++++++++++++++++++ ++++++



by:

Great communication and very prompt sho pping.



by:

Easy to install. Fits perfect.



by:

Fit well. However your instructions are not correct for my 2025 Honda Civic Hybrid Hatchback.
You need to correct this for the New 2025 Hatchback.


5
5

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

  • Will Curt # C92UR and etrailer # e46ZV Fit a 2026 Honda Civic Hybrid Touring Sedan?
    Hello Trung, Thanks for writing in, I am glad you found us. Yes, both the Curt Trailer Hitch Receiver # C92UR and the etrailer Trailer Hitch Receiver # e46ZV are confirmed to fit the 2026 Honda Civic Hybrid Touring Sedan, as long as your vehicle does not have the center exhaust setup. If your Civic Hybrid Touring has the standard rear exhaust configuration, both hitches will install correctly and provide the same fit and function. The main difference between the two hitches is the finish....
    view full answer...
  • Why Does the Curt Hitch for a 2025 Honda Civic Hybrid Say Not Intended?
    Hey Abel! The Curt Hitch item # C92UR will fit the hybrid model of the 2025 Honda Civic, but there's an extra step when installing it. You have to do some trimming of the bumper area to accommodate the 1-1/4" receiver. That's why it says it isn't intended. The Curt Hitch item # C92UR is custom fit for the 2025 Honda Civic hatchback and sedan. This is a class I hitch with a 1-1/4" receiver. It has a 2,000 lbs towing capacity and 200 lbs maximum tongue weight. I have linked an installation...
    view full answer...
  • Best Hitch for 2022 Honda Civic Sport Sedan
    Hi Jessie; the best hitch for your 2022 Honda Civic Sport Sedan is the Curt # C92UR. This has the same specs as the Draw-Tite # 24954 you looked at with a 1-1/4" receiver and 200/2,000 lb max tongue/trailer weight. However, Curt tends to add a thicker powder coat so it holds up better over time. By "light" did you mean wiring for trailer lights? If so, you can use the Curt T-Connector Vehicle Wiring Harness # C43VV. This plugs into the connection points behind your tail lights and will...
    view full answer...
  • Solution for Lights on 2023 Honda Civic on Tow Dolly
    Hi Byron; to use the lights on your 2023 Civic you would need flat tow wiring. Unfortunately, nobody makes it for the Civic so that won't be an option. The # C43VV you looked at is designed to power the lights on a trailer if you were towing something with your car so that won't work either. If your tow dolly has lights on it like the Demco Kar Kaddy SS # DM9713045 you won't need additional lights. If not, you can use universal magnetic lights like the Flint Hill Goods Magnetic Tow Lights...
    view full answer...
  • Does The Bumper Need To Be Cut To Install a Trailer Hitch Receiver on a 2022 Honda Civic Hatchback?
    Both the Curt # C92UR receiver you found and the Draw-Tite # 24954 are going to require slight modification to the steel bumper and plastic fascia to fit your 2022 Honda Civic Hatchback. I have linked an installation video near the bottom of the page for a similar Civic which will show you what all is required. If this is something you are not sure you have the skills to install yourself you can also use our installer link located near the video to locate installers in your area. I do...
    view full answer...
  • Will the Draw-Tite Hitch 24954 Fit a 2024 Honda Civic Hatchback?
    Yes, it will so long as you do not have center exhaust! The Draw-Tite Hitch item # 24954 has been confirmed to fit all models of the 2024 Honda Civic including the hatchback. This is a class I hitch with a 1-1/4" receiver. It has a 2,000 lbs towing capacity and a 200 lbs maximum tongue weight. If you are planning on towing you will also need a wiring harness item # C43VV and the Draw-Tite Drawbar item # 3593 and then for hitch balls item # 19258 for a 2 inch ball or item # 19256 for a...
    view full answer...
  • Recommended Hitch and Shipping Weight for a 2024 Honda Civic Hatchback
    The Curt Trailer Hitch item # C92UR weighs 21 lbs. This hitch has been confirmed to fit the hatchback models of the 2024 Honda Civic. If you are planning on towing you will also need a wiring harness item # C43VV and the Draw-Tite Drawbar item # 3593 and then for hitch balls item # 19258 for a 2 inch ball or item # 19256 for a 1-7/8 inch ball.
    view full answer...
  • Trailer Hitch Receiver and 4-Way Vehicle Wiring Harness For a 2024 Honda Civic
    Yes, we have the Curt Trailer Hitch Receiver # C92UR which fits your 2024 Honda Civic as long as you don't have a center exit exhaust. If you have the center exit exhaust you will have to modify the exhaust to make any receiver work. I recommend installing the 4-Way Wiring # C43VV when you install the receiver. This is the most common connector used on most small trailers. And it will also allow for Auxiliary Lights # C53201 should you have a hitch mounted accessory like a bike rack which...
    view full answer...
  • Parts Needed to Tow a Tent Trailer with a 2022 Honda Civic Sport
    Hey Amy, thanks for reaching out! To tow a small trailer with your 2022 Honda Civic Sport you need a trailer hitch, wiring, and a ball mount: - Curt Trailer Hitch # C92UR - Curt T-Connector Wiring # C43VV - Ball Mount (see attached article) The hitch can tow up to a 2,000 lb trailer but from what I saw online your vehicle can only handle 1,750 lbs so that will be your limiting factor - you also need to confirm this in your copy of the owner's manual. The wiring tees in behind your...
    view full answer...


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Wilson B
Updated by:
Wilson B
Employee Andy C
Installed by:
Andy C
Employee Sabrina W
Written by:
Sabrina W

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