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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
2025 Ram ProMaster 3500
CURT

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

Part Number: C97VV
$90.95
Retail:$132.95
You Save: 32%
Custom Fit Vehicle Wiring
Not Confirmed to Fit

2025 Ram ProMaster 3500

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In Use/Installed

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 C97VV 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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  • Videos (3)
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CURT Custom Fit Vehicle Wiring - C97VV

  • 4 Flat
  • No Tow Package
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • CURT
  • Plug and Lead
  • Powered Converter
  • Hidden

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 in rear cargo area
    • 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 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 in your rear cargo area. You will have to remove the rear scuff panel, storage trays, and side trim panel 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 in an out-of-the-way location within your rear cargo area.


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.



56488 CURT T-Connector Vehicle Wiring Harness with 4 Pole Trailer Connector

Installation Details C97VV Installation instructions

This Product Fits The Following Vehicles



California residents: click here


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

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector-C97VV Spec Review

Hi everybody, Andy here with etrailer.com and today we're gonna take a look at this CURT T Connector vehicle wiring harness with four pole flat trailer connector. Now this is a custom fit wiring harness that is designed to fit your 2020 and newer Buick Encore GX without LED taillights. So to confirm that this is going to work for you, take advantage of our vehicle fit guide here at etrailer.com. Input the year, make and model of your vehicle and our fit guide will let you know if this will work for you or if we have another harness that will work for you. Now this harness is going to provide a four pole flat trailer connector at the back of your Encore to power your trailer signal lights. This is going to be compatible with five pole, six pole, and seven pole adapters.

And of course those adapters are sold separately and included, as you can see here, is a dust cap for that four pole flat connector and that dust cap is going to cover up those connection points when this plug is not being used. Now the black box at the back of this harness here, right here, this is our powered taillight converter. This is going to ensure that your vehicle's wiring matches out of your trailer. It connects directly to your vehicle's battery to avoid overloading your vehicle's electrical system, reducing the strain on your vehicle's wiring system. And CURT builds each converter using surface mount technology for consistent, reliable performance.

It maximizes trailer light yield and intensity while producing minimal heat, ensuring superior operation even in rough road conditions. So this harness is designed to connect quickly and easily. The connections with the yellow wires are going to go to the driver's side and the connections with the green wires are gonna go to the passenger side of your Encore. Now you will need to locate your Encore's wiring harness which is located in your rear cargo area. You will have to remove the rear scuff panel, storage trays, and side trim panel to access this harness.

And once you locate the connectors, you're then going to separate the connectors and you wanna be careful not to break the locking tabs. And then you're going to insert the T connector ends here between the Encore's wiring connectors and lock them into place. These T connectors are custom fitted for your Encore so they're going to match up perfectly with the connection points on your Encore and they're going to snap and lock together for a tight secure fit. Now once you have these plugged in, you will need to make a good ground connection. The ground wire is this white wire, and as you can see, it has a ring terminal attached to it and it does come with a self-tapping screw as you can see right here.

So you can get this grounded to a suitable location such as your vehicle's frame or crossmember. You just wanna make sure that that surface is clean and rust free. You will then need to mount this converter box to a safe, out of the way location. You can use another mounting screw that's not included with this kit to mount this or you can use the included double-sided adhesive tape or one of the many cable ties that's going to be provided for you in this kit. Next, you're going to need to run a hot lead to the vehicle battery. That's this short black wire that's coming out of this converter box. This short black wire is going to get connected to one end of this included bundle of black wire using one of the included butt connectors. Then the other end of this bundled wire is going to get routed to your vehicle's battery. Once you have this routed to the battery of your vehicle, you're then going to take this fuse holder and connect one of the wires with the second butt connector to the routed wire. And then the other half of this fuse holder is going to get this included ring terminal attached to it. And then that's going to connect to the positive posts of your vehicle's battery. It does come with this 10 amp fuse that's going to go into this fuse holder. Then it has this fuse cap here to keep that fuse safe and protected. You can secure any excess or slack in your wiring with the included cable ties that I mentioned before and then just some overall specs of this wiring harness. The maximum amperage for the stop turn lights is five amps per circuit and for the tail lights it's 7.5 amps per circuit. Instructions are included to walk you through the insulation process and it is also recommended that you use a small amount of dielectric grease on all of your electrical connections, like the plugs on the vehicle and the four pole connector itself. And this grease is designed to help prevent electrical failures caused by corrosion and moisture. So if you would like to check that out, I am including our item number for a tube of dielectric grease. You can take that item number and put it in the search field of our website and that will take you to that grease and you can add that to your order if you so desire. Well, that's gonna conclude our look today. I do hope that it was helpful for you. Again, my name is Andy, thank you for joining me.

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

  • Trailer Hitch for 2023 Buick Encore GX
    Hi Christopher; the 2023 Buick Encore GX is a little harder to get to since it is under "See More." Buick isn't as popular as some other brands and they aren't all shown on the initial list in our fitguide. For a hitch I recommend the Draw-Tite Max-Frame Trailer Hitch Receiver # DT55GR. I saw you also looked at wiring so you need the # C37UR (if you have LED taillights) or # C97VV (if you do not have LED taillights) as well. Then for a ball mount, check out the etrailer Adjustable 2-Ball...
    view full answer...

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 Wilson B
Updated by:
Wilson B
Employee Andy C
Installed by:
Andy C
Employee Sabrina W
Written by:
Sabrina W
Employee Ian F
Test Fit:
Ian F
Employee Bruce K
Test Fit:
Bruce K
Employee Matthew G
Video by:
Matthew G

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