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  1. Custom Fit Vehicle Wiring
  2. CURT
  3. 4 Flat
  4. Factory Tow Package
  5. Trailer Hitch Wiring
  6. Vehicle End Connector
THIS ITEM IS NOT A FIT FOR
1925 Ford Model T
CURT

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

Part Number: C44FR
In Stock
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$22.89
Retail:$40.90
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Custom Fit Vehicle Wiring
Not Confirmed to Fit

1925 Ford Model T

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Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package port - no cutting, splicing or tapping required. 1-800-940-8924 to order CURT custom fit vehicle wiring part number C44FR 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 for Factory Tow Package - 4-Pole Flat Trailer Connector. Custom Fit Vehicle Wiring reviews from real customers.
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CURT Custom Fit Vehicle Wiring - C44FR

Highlights

  • Simple plug-and-play design: No cutting or splicing required, just plug into OEM port.
  • Custom fit for specific vehicles: Works perfectly with factory tow package ports.
  • 4-way flat connector: Powers trailer's lights; includes dust cover for protection.
  • Versatile compatibility: Compatible with 5-pole, 6-pole, and 7-pole adapters.
  • Prevents corrosion: Grease recommendations for electrical connections included.
  • Secure installation: Connector securely stowed beneath vehicle near trailer hitch.

Features to know about

Effortless, Plug-and-Play Installation: Custom-Fit T-Connector

Forget the hassle of cutting or splicing wires with this T-Connector’s seamless plug-and-play feature. Quickly connect a 4-way flat trailer connector to your vehicle's factory wiring harness, conveniently located behind the center of your rear bumper. No extra tools or complicated steps – just a straightforward, stress-free setup that's as easy as ABC.

Tailor Made for Your Vehicle: Custom-Fit Design

If you're looking for a wiring harness that matches your vehicle perfectly, the custom-fit design of this connector is exactly what you need. It integrates seamlessly with your factory tow package, ensuring everything from brake lights to turn signals works without a hitch. Ideal for anyone who appreciates a clean, professional look without any modifications.

Weatherproof Your Connection: Stay Clean with Dust Cap Protection

Keeping your trailer connector clean when it's not in use is made simple with the included dust cap. Snap it on, and the connector stays protected from dirt and water, preventing potential damage and extending the life of your wiring setup. It's the small details like this dust cap that make all the difference.

Universal Compatibility: Adapt to Your Needs

This connector isn’t just for 4-way applications—it plays well with 5-pole, 6-pole, and 7-pole adapters (sold separately). Whether you need an extra connection or plan to tow different types of trailers, this harness can adapt to your variety of needs. It's the perfect solution for those who need flexibility in their trailer wiring.

Corrosion-Free Connections: Anti-Corrosion Assurance

Extend the life of your vehicle's electrical connections with a small yet essential step—adding a dab of grease. This simple measure helps prevent corrosion, ensuring that both your vehicle’s plug and the 4-pole connector remain in perfect working order for as long as possible. Weather conditions are no match for a well-maintained connection.

Comprehensive Electrical Coverage: Signal with Confidence

This robust connector covers all your lighting needs, energizing tail lights, brake lights, and turn signals. It's engineered to transmit your vehicle’s lighting signals to your trailer accurately and reliably, giving you peace of mind every time you hit the road with your trailer in tow.

56427 Curt T-Connector - OE Replacement 4-Flat

Installation Details C44FR Installation instructions

This Product Fits The Following Vehicles



California residents: click here


Customer Satisfaction Score:

Ratings & Reviews

4.5

81 reviews
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package port - no cutting, splicing or tapping required.

by:

You sent me a wiring harness clearly stated on the package for a 2024 Blazer EV-Cadillac XT4 or Cadillac Lyrig and not a 2025 Chevy Equinox. I need this right off so please get the correct one in the mail ASAP and send me a return label for this MISTAKE !!!!

Mike L. profile picture
Etrailer Expert

Mike L.

9/3/2025

Per Curt, the C44FR harness fits many different vehicles (including yours)... 2024 - 2026 Chevrolet Blazer EV 2024 - 2026 Chevrolet Blazer EV with factory Tow Package 2025 - 2026 Chevrolet Equinox 2025 - 2026 Chevrolet Equinox excluding Diesel 2025 - 2026 Chevrolet Equinox with factory Tow Package 2024 - 2026 Chevrolet Equinox EV 2024 - 2026 Chevrolet Equinox EV with factory Tow Package 2023 - 2026 Cadillac Lyriq 2023 - 2026 Cadillac Lyriq with factory Tow Package 2024 - 2026 Honda Prologue with factory Tow Package 2025 - 2026 GMC Terrain with factory Tow Package 2019 - 2026 Cadillac XT4 2019 - 2026 Cadillac XT4 with factory Tow Package According to Curt, if your Equinox wasn't originally equipped with the tow package, the Dealer will need to activate the harness once it's installed. I hope that helps!



by:

Connects to car but doesn't work can't seem to find out why. Dealers can't help me and car is to New to find out why with wiring schematics not available to me yet. Completely missing power for trailer system, no power at fuses. So waiting for more information to come out.

Heather A. profile picture
Etrailer Expert

Heather A.

5/5/2025

Hey Randy, If the towing package is present but the trailer connector lacks power, a Chevrolet dealer may need to program the vehicle's Body Control Module (BCM) to activate the trailer wiring circuits. This process typically involves a fee, which has been reported to be around $90. I know that is not what you wanted to hear but at least it points you in the right direction.



by:

Easy plug and play installation. The RS model of the Equinox EV comes pre wired for trailer hook up.



by:

The unit is fine and works great. Now finding the connector was challenging - the EV version has a backup sound generator - and it was "hiding" the connector :-)



by:

Excellent fit into factory coupler; high-quality insulation and mouldings.



by:

The installation of the wiring harness went great! On the Blazer EV Chevrolet has made it very easy. Remove the dust cap and plug the new wiring harness into it! It really is Plug-an-Play! The installation took about 15 minutes.



by:

I ordered this for a 2025 Equinox. The instructions cover the Blazer,Cadillac XT4 and Lyric and Honda Prologue not the Equinox .The installation seems simple, but the results are disappointing. I have one pin going to ground but it’s not the correct pin. The other three are dead. I suspect a problem with the vehicle. If I had some paperwork showing that the installation is correct then I could go to the dealer and maybe they could fix it. But without a document I suspect that they would not be easily convinced that it is a vehicle problem.



by:

Thank you, very happy with all phases of my purchase, I installed the hitch on my 2024 Honda prologue with no problems, you do have to relocate the foot sensor for the hands free rear hatch. The Draw Tite hitch is the way to go for anyone looking to save $$



by:

This company was fantastic with customer service and helped me get the best fit for my vehicle!thank you so much!!!



by:

The harness does not fit my 2025 Chevy equinox



by:

Fit my 2025 Equinox EV RS perfectly. No problems.



by:

Works great!



by:

It was easily installed and I will be using it in the near future



by:

Harness works well.



by:

this product is excellent fit just like it was supposed to easy install



by:

I purchased this for my Lincoln corsair. At this time, I have not had a chance to install it, but everything was as described on the website.



by:

Just had it installed by my dealership fit perfectly



by:

The instructions are missing 1/2 a step. "Rotating" the hitch in place means sliding it under the body panels and in front of the two tabs that receive pins for securing the underbody panel. The review with the bumper fascia removed shows the two tabs.



by:

The connector fit perfectly once I figured out where to plug it in. More than enough links for my application it made the install very simple.



by:

Exactly what I needed, great product



by:

Fits my 2025 equinox. Works great



by:

Just exactly what I wanted. Thanks for having a good product made in America.



by:

Very clean install. Completely undetectable and does not interfere with the look of the car. You-tube video of this install was very helpful.



by:

Received well. Have not yet installed.



by:

Hitch was fine , the wiring adapter was not plug and play had to cut and splice not a real big deal


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Show More Reviews

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

  • Will Curt T-Connector Vehicle Wiring Harness Fit 2025 Chev Equinox EV LT Without Factory Tow Package
    Hi Cliff; sometimes a wiring harness like the # C44FR still works even without the factory tow package. However, it is required for your 2025 Chevy Equinox EV LT. If you don't have the tow package then your vehicle doesn't have the port to plug in the wiring harness. What you can use instead is the Tekonsha ZCI # 119250KIT. This is perfect for an EV since it doesn't require splicing. The sensors clamp onto your vehicle wiring to identify the current flowing through the wires and send...
    view full answer...
  • Troubleshooting No Power at 2024 Cadillac XT4 OEM Trailer Plug
    The plug you found at the back of your 2024 Cadillac XT4 should match up with the Curt T-Connector # C44FR and will only show power when the running lights are on, the turn signals are used, or you are pressing the brake pedal. If you're testing it without using any of those functions on your vehicle then that would explain why you aren't seeing power at that connector. If you did use those functions and you didn't see power then the next thing to check are the fuses related to the trailer...
    view full answer...
  • Trailer Hitch and Wiring for 2025 Chevrolet Equinox
    Hi Ashley; we do have a hitch and wiring for your 2025 Chevy Equinox. I recommend the following: -etrailer Trailer Hitch Receiver - Custom Fit - Matte Black Finish - Class III - 2" # e59ZR -Curt T-Connector Vehicle Wiring Harness # C44FR I really like the etrailer hitch since we give it that matte black finish. This helps hide dirt and scratches while giving it an OEM look. The Curt wiring harness plugs into the connection point behind your rear bumper and comes with the tow package...
    view full answer...
  • Do You Have Wiring for My 2025 Chevrolet Equinox ACTIV?
    Hello Hal, Yes, we do have the Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector # C44FR as a confirmed fit for your 2025 Chevy Equinox. Are you still having issues with it not working? I see that we do have a pre-order # C88RV, if the 56427 is not working then you most likely need the one with the relays they are currently designing. If you placed the order with us on the 56427 please let me know the order number so I can get a return label...
    view full answer...
  • Trailer Hitch, Wiring, & Brake Controller For 2024 Chevy Blazer EV
    Hi Joann, We actually sell all the parts you're looking for to tow with your 2024 Chevy Blazer EV, and I'll go ahead and list out the exact parts you need for this: - Curt Trailer Hitch Receiver # C63ZV - Curt T-Connector Vehicle Wiring Harness # C44FR - Universal Installation Kit for Trailer Brake Controller # ETBC7 - Redarc Tow-Pro Liberty Brake Controller # RED52VR This is all you'll need, as the T-Connector gives you the 4-way, and you'll then plug that into the 7-way that comes...
    view full answer...
  • Roof Rack and 4-Way Wiring for 2025 Chevrolet Equinox
    Hey Jim! What kind of crossbars do you have? There are universal rails you can add but you're going to be drilling into your roof to use bolts/rivets to attach them (really don't recommend that on a nice new vehicle). Since you don't have rails already I recommend using a clamp on roof rack like the Inno Aero # IN59FV. The only other option for rails would be to have the dealer install the factory raised rails. There are 4-way wiring kits available for your 2025 Equinox. If you have the...
    view full answer...
  • Recommended Wiring Harness for a 2025 Chevrolet Equinox
    Hey Carole. If you installed the Curt T-Connector Vehicle Wiring Harness item # C44FR and it's still not working then you don't have the factory tow package in your 2025 Equinox and need the relays. Curt had one for awhile it was the FF-25EquinoxWiring Curt T-Connector. I don't see it anymore so you may have to go through GM. Another alternative is to tap into your taillight wiring using the ZCI Circuit Protected Vehicle Wiring Harness item # 119250KIT. This uses clamps that sense the...
    view full answer...
  • 4-Way Wiring Harness for 2025 Chevrolet Equinox
    Hi Peter; this is a bit of a hot topic right now. If you 100% for sure have the tow package on your 2025 Equinox you should be able to use the # C44FR. However, we have had some people have issues with this on the vehicle side. I'm not sure if they didn't actually have the tow package but had the port, or if there is a problem Chevy hasn't addressed, but it isn't working for everyone. At least one customer took it to the dealer and they were unable to sort it out for them. At the very...
    view full answer...
  • Is Fascia Trimming Needed to Install Curt Trailer Hitch On 2024 Chevy Equinox EV
    Hey Brent, That's a really good question, and while there is some trimming needed on your 2024 Chevy Equinox EV, bumper/fascia trimming is not required when installing the Curt Trailer Hitch Receiver # C89RV. What you'll have to trim is some of the underbody panel on the Equinox, and I have added a cutout below of the instructions for the # C89RV which show the amount. You can do this pretty swiftly with a rotary tool, and while it's a pretty long piece you'll need to trim, it's needed...
    view full answer...
  • 4-Way Trailer Wiring Recommendation that Fits 2025 Chevy Equinox
    Hey Terry, the Curt trailer wiring harness part # C44FR is a confirmed fit for your 2025 Chevy Equinox and is the 4-way connector you need for your trailer. Do you have a hitch already?
    view full answer...
  • Will the 2023 Cadillac Lyriq EcoHitch be Concealed Behind the Bumper?
    Hey Aravind, thanks for reaching out! The EcoHitch Stealth Trailer Hitch Receiver # EH75KR will have a hidden crosstube, and when the receiver is removed you have a completely OEM look. I don't have access to the instructions at the moment (they have to be requested from EcoHitch/TorkLift) but I did see a review saying that the bumper fascia will need to be trimmed in order for their to be enough room for the receiver. Be sure to go take it slow when it comes to cutting the fascia to...
    view full answer...
  • What is the Best Hitch for a 2024 Cadillac XT4?
    Congrats on the new vehicle! The best hitch for a 2024 Cadillac XT4 is the Curt item # C39FR. This hitch is custom fit and bolts to your Cadillac with included hardware. This is a class III hitch with a 2" receiver. It has a 4,000 lbs towing capacity and a 400 lbs maximum tongue weight. The reason the Curt hitch item # C39FR is the best option is because it installs behind your rear bumper cover and can be completely hidden when you are not towing. I have attached a couple of pictures...
    view full answer...
    Image 1 for Image 2 for
  • Recommended Hitch for a 2024 Cadillac XT4 that Mounts Behind the Removable Cover
    To add a hitch to your 2024 Cadillac XT4, that installs behind the removable bumper cover, I recommend the Curt item # C39FR. This hitch is custom fit and bolts to your XT4 with included hardware. It is a class III hitch with a 2" receiver that has a 4,000 lbs towing capacity and a 400 lbs maximum tongue weight. I have linked an installation video below to help you get this hitch set up. If you are planning on towing you will also need a wiring harness item # C44FR and a ball mount kit...
    view full answer...
  • Does Wiring Harness Mount on 2024 Chevy Blazer EV With Curt Hitch
    Hi Todd; for the T-Connector Vehicle Wiring Harness # C44FR on your 2024 Chevy Blazer EV, you can use use a bracket that attaches to the Curt Trailer Hitch Receiver # C63ZV. Just use bracket # 18136 and # C42CR; I have added a link below to a video review which will show how they go together.
    view full answer...
  • Hitch Fit for a 2024 Chevy Equinox EV
    Hey Jim, thanks for reaching out! Curt just came out with the Hitch Receiver # C89RV for your 2024 Chevy Equinox EV so you'll be able to utilize it with the T-Connector # C44FR wiring kit!
    view full answer...
  • Trailer Wiring for a 2025 Chevy Equinox EV
    Hey Byron! You'll be able to use both the Curt Hitch # C89RV and Wiring # C44FR for your 2025 Chevy Equinox EV. We say that the wiring requires the OEM package, but the Curt guide says it fits without having the OE package. If you check out the linked clip from the wiring instructions you'll see where the factory connector is located on your Equinox EV. Try checking in this spot prior to purchasing just to confirm the connector is there.
    view full answer...
  • Trailer Wiring Harness for 2023 Cadillac Lyriq RWD Without Tow Package
    The # C44FR does in fact require the factory (OEM) tow package for installation on your 2023 Lyriq. We could do a better job calling this out beyond our notes for installation on the product page which say it "plugs into your vehicle's factory tow package wiring harness." I went ahead and requested this addition to the trailer wiring page. I wasn't able to find your order so if you already purchased this somewhere else I would return it. The only other option would be to add a universal...
    view full answer...
  • Trailer Wiring Harness For 2024 Cadillac XT4
    The correct trailer wiring harness for your 2024 Cadillac XT4 is the Curt T-Connector # C44FR.
    view full answer...
  • Recommended Hitch for a 2024 Cadillac XT4
    Yes, it is! To add a 2" hitch to your 2024 Cadillac XT4, I recommend the Curt Trailer Hitch item # C39FR. This hitch is custom fit and bolts to your Caddy with included hardware. I really like this hitch because it installs behind your rear bumper cover and can be completely hidden when you are not towing. I have attached a couple of pictures below along with an installation video so you can see what this hitch looks like once installed. If you are planning on towing you will also need...
    view full answer...
    Image 1 for Image 2 for
  • What is the Best Hitch for a 2024 Cadillac XT4?
    Yes, there is a hitch for your 2024 Cadillac XT4. The best one is going to be the Curt Hitch item # C39FR. This hitch is custom fit and bolts to your Cadillac with included hardware. It is a class III hitch with a 2" receiver. I really like this hitch because the main crosstube mounts behind your rear bumper leaving only the 2" receiver visible. This not only looks better but helps with ground clearance. I have linked an installation video below to help you get this hitch set up. If...
    view full answer...
  • Recommended 7-Way for a 2024 Cadillac XT4
    To install a 7-Way harness on your 2024 Cadillac XT4 you will need two separate wiring harnesses because they don't make just one that'll do the job. The first harness you'll need is the Curt T-Connector Vehicle Wiring Harness item # C44FR. This custom-fit T-connector plugs into your Cadillac's wiring harness, which is located behind the center of the rear bumper. This will provide you with a 4-flat connector. The second harness you will need is the Universal Installation Kit for Trailer...
    view full answer...
  • Trailer Hitch Confirmed to Fit a 2024 Cadillac XT4
    We do have a hitch confirmed to fit your 2024 Cadillac XT4! You want the Curt Trailer Hitch Receiver # C39FR. This hitch has a bolt-on, no-drill installation and a 2" hitch receiver. The 2" receiver is the most common size used for hitch mounted accessories such as bike racks, cargo carriers and ball mounts. If you plan to do any towing, you can round out a tow package by adding the Curt T-Connector Vehicle Wiring Harness # C44FR and the etrailer Ball Mount Kit # 989900.
    view full answer...
  • Availability Of Trailer Hitch And Wiring Harness For 2025 Chevy Equinox EV
    Bonjour Claude, merci de m’avoir contacté. Nous proposons un faisceau de câbles, le Curt # C44FR qui s’adaptera au Chevrolet Equinox EV 2025 avec l’ensemble de remorquage d’usine. Je suis désolé de dire que nous n’avons pas d’attelage de remorque sur mesure pour l’Equinox EV 2025. Veuillez revenir avec nous plus tard car nous ajoutons toujours de nouvelles pièces. Espérons que nous aurons un attelage disponible dans les prochains mois. Hello Claude, thanks for reaching out. We do offer...
    view full answer...
  • Availability Of Trailer Hitch For 2024 Chevy Equinox EV
    Hello Mark, thanks for reaching out. You are correct that the 2024 Equinox EV is structurally different from the gas model, so the hitch for the regular Equinox will not carry over to the EV model. I am sorry to say that we do not offer a hitch for the 2023 Chevy Equinox EV. We are always adding new parts and new fits so please check back with us later as parts should hopefully be available before too long.
    view full answer...


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


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee Dustin K
Video by:
Dustin K
Employee Chris R
Video Edited:
Chris R
Employee Wilson B
Updated by:
Wilson B
Employee David F
Test Fit:
David F
Employee Bradley B
Test Fit:
Bradley B
Employee Kristina F
Written by:
Kristina F

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