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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
2009 Toyota Tundra
CURT

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

Part Number: C56093
In Stock
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$56.94
Retail:$89.95
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Custom Fit Vehicle Wiring
Not Confirmed to Fit

2009 Toyota Tundra

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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 C56093 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 (200)
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CURT Custom Fit Vehicle Wiring - C56093

  • 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: 3 amps per circuit
    • Tail lights: 6 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 interior trim panels in your rear cargo area. 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 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.



56093 CURT T-Connector - Surface Mount Technology - 4 Wire

Installation Details C56093 Installation instructions

This Product Fits The Following Vehicles



California residents: click here


Customer Satisfaction Score:

Ratings & Reviews

4.8

200 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:

IT WAS A GREAT FIT.



by:

This kit worked well... right up until it failed. I called tech support when one of the wires remained hot all the time -- the tech indicated that I probably have a short in the converter box, & the warranty is only good for 1 year. I asked if I could buy a new converter box -- nope, have to buy the whole wiring kit. Not happy.



by:
2020 Ford Explorer

Both products look great (eTrailer and the Curt wiring harness pack). I haven't installed the trailer yet (later this week I will). But the products arrived two or three days before they were scheduled to arrive; so early is always good. However, they arrived pretty banged up. Not surprising given the weight / bulk of the product. However, it wasn't a great look. Perhaps consider a different form of packaging for future orders of this kind. Overall, though, I have no complaints.



by:

Good morning, Ashley,
Thank you for the
outstanding customer service you gave to me. I feel like
I have a better understanding of the difference in hitches and the wiring needed. Thank you for being kind!



by:

Hitch was easy to install. Dropping exhaust and heat shield was the hardest part.



by:

Excellent service and rapid delivery. We use a lot of etrailer's products for our customers. Never had an issue



by:
Ford

Needed 2nd day delivery(while calling on Saturday after shipping closed) they did ship it and I got on time ( 2 ford transits with wiring)
Installed when supposed to, customer was happy, the world is a better place!



by:
Ford

Great instructions, good product, would be nice if Ford had it already set up for the wiring considering it's a good tow vehicle.



by:

2022 Limited Explorer has a speaker tuning port mounted in the left rear corner. This makes it extremely difficult to disconnect the left connector. To add insult to injury, the cable for the left side is too short for the controller to reach the bottom of the trunk. I had to mount it on an electronics box up about 3 inches. Hopefully Curt used a strong adhesive on the mounting pad.

Bottom line - left side cable is too short, and it is a difficult installation if your model has a tuning prot on the left rear speaker.



by:
2010 Ford Taurus

The day I received the Curt T-Connector vehicle wiring harness I tore into my trunk of my 2010 Ford Taurus SHO to install. Super easy lug and play to each taillight. Two things to do which are to mount a ground then run a power wire from trunk to the front engine bay and connect the 10 amp fuse and attach to battery connection. Only took 45 minutes which I thought was good since this was my first time. Connected 4 pole harness lead to my trailer and everything works great



by:

The product worked exactly as advertised and the video was extremely helpful with installing it. Only problem was the length of the wire that needs to be routed to the battery was 3' short. Although I am a novice, I can't see how even a professional could have gotten the wire to the battery without buying additional wire. You WILL need to buy extra wire to compete the installation. Overall, I am still very happy with the purchase.



by:
2021 Ford Explorer

Very happy with the quality and installation works perfectly



by:

Great product and amazing customer serv ice!!



by:
2022 Ford Explorer

The wiring harness was delivered in a timely manner and it fit the car as it should.



by:
2020 Ford Explorer

Easy to install following instructions. Hardest part is crawling under suv to tread the positive wire to battery, better to raise the vehicle.



by:
2015 Ford Taurus

My purchased arrived earlier than expected, packaged carefully and the installation video was perfect.



by:

Absolutely the easiest wiring harness to install ever!!! Would recommend this to anyone, even if you have limited mechanical skills it was a breeze, follow the video instructions and its a breeze.



by:
2024 Ford Explorer

The package was beat to heck and there were scratches on the hitch.

Fortunately I'm not a twit and realize that you put all that weight from something that sturdy in a cardboard box and send it across the country the box is going to lose the fight. Soooooo, Since I said that the hitch is creat and hopefully I can get it on the lift this week or next and get it on. Your service is EXCELLENT and I appreciate the speed my hitch arrived.

I just bothered to put on my glasses because I was worried that h was a b and oops. SO, I also noticed this was for the wiring harness and dad gummit it arrived attached to the SOLID STEEL HITCH by a zip tie and WE all know that zip ties are like duct tape and that means it goes anywhere.

And no, this isn't sarcasm even though a lot of times it is sarcasm. etrailer.com KILLED it and I'm more than satisfied with my purchase.



by:
2020 Ford Explorer

Everything fit together well. Plenty of extra wire including.



by:
2022 Ford Explorer

Great products. Fairly easy to install. Not very good directions come with it. But have detailed videos on website.



by:

Everything I needed. Good instructions. Very pleased.



by:

Followed etrailer's [online] install video, took a few hours by myself but it looks and works great!



by:
2010 Ford Taurus

Looked very intimidating at first. However, it took me about an hour to install harness. Longest part was fishing the power line from trunk, to engine compartment. I would recommend it to everybody.



by:

Easy to install and works perfect.



by:

Looks like good product and easier solution then splicing wires we will see in time how it works out


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200
Show More Reviews

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

  • Location of Factory Wiring Connector for 2021 Ford Explorer Limited
    Hello Ken; what wiring harness are you trying to install? Do you have the factory tow package on your 2021 Ford Explorer? If you don't have the factory tow package there won't be a wiring connector at the rear of the vehicle. If you have the factory tow package there will be a plug behind the bumper that attaches to the # HM40975. If you do not have the factory tow package you need to install the Curt 4-way # C56093 which plugs into the connection points in the rear cargo area as seen...
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  • Parts Needed to Install a Brake Controller in a 2021 Ford Explorer w/out the Towing Package
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  • Best Brake Controller Options For 2025 Ford Explorer Pulling Rove Lite BH 14
    Hey Mark, thanks for reaching out. I can definitely help with that. Does your Explorer already have the factory 4-flat trailer connection? If so, the Curt Echo # C51180 can work great and will require less installation time than really any other option. You will need to install a 7-way using the # ETBC7L install kit. All this involves is plugging the current 4-flat into the 7-way adapter and run a wire from the 7-way to the vehicle battery. You do not need to tap into the break switch...
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  • Availability of Plug and Play 7-Way Wiring for 2023 Ford Explorer Limited
    Hey Brice! What kind of trailer are you towing? The only option for a plug and play 7-way is if you have the factory tow package to plug in the # HM40975. It sounds like you don't have the tow package so you will need the Curt T-Connector Vehicle Wiring Harness # C56093 along with the # ETBC7L to add a 7-way. The # ETBC7L does not include the brake output wire since you said you only need it for lights. If you think you might want to add a brake controller in the future I would go ahead...
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  • Curt Trailer Hitch vs. etrailer Hitch For 2024 Ford Explorer
    You've got yourself a good eye, Ben, as there is just one little difference between the Curt and etrailer trailer hitches for your 2024 Ford Explorer, which is the finish; if you take a look at the diagram I made for you, you should be able to see the slight difference in the finish. The etrailer hitch has a matte black finish, while the Curt hitch has a glossy black finish. The hitches that fit your VEHICLE are the following part numbers: - Curt Trailer Hitch Receiver # CU78FR - etrailer...
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  • How Much Fascia Trimming is Needed on 2024 Ford Explorer to Install Curt Trailer Hitch
    Thanks for the question Roy, and you're not looking at much fascia trimming at all on your 2024 Ford Explorer to install the Curt Trailer Hitch Receiver # CU78FR. If you check out the attached photo from the instructions you can see it's just a small 3-1/2" x 4-3/4" section, which you can do with a pair of shears. As for if anyone will see it, the answer to that is nope, not a single person will notice. The cutout is underneath your Explorer and only needed so the receiver has a place...
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  • 2024 Ford Explorer Brake Controller and Wiring Recommendation for Trailer Towing
    The Curt T-Connector # C56093 is a great place to start with wiring on your 2024 Ford Explorer. To get your vehicle ready for your trailer I recommend the following parts: - Universal Installation Kit # ETBC7 - Redarc Tow-Pro Liberty Brake Controller # RED24FR - Wiring Harness # RED69FR The universal kit gives you everything you need to connect a brake controller on your Explorer, and then the Tow-Pro Liberty is a fantastic controller since it uses color coding to let you know what...
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  • Will Curt Trailer Hitch Mess with Liftgate and Parking Sensors on 2020 Ford Explorer
    The hands-free liftgate may still be functional with the Curt Trailer Hitch Receiver # C33NR installed on your 2020 Ford Explorer Limited, but I don't have a way to confirm it at this point in time (Oct 2023). Typically what we see is that the sensors have a harder time picking up foot movement so you'll have to to either side of the receiver. I checked the online owner's manual for your vehicle to see if there were any guidelines or instructions about the 360 camera or parking sensors...
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  • Recommended Trailer Hitch And Wiring For A 2023 Ford Explorer
    For a 2023 Ford Explorer you would need the Curt T-Connector Vehicle Wiring Harness # C56093 if you did not have the factory trailer connector. If you did you would instead need the Curt T-Connector Vehicle Wiring Harness for Factory Tow Package # C55384. For the trailer hitch I recommend the Curt Trailer Hitch Receiver # CU78FR. I've attached some video below that will help walk you through the installation process of these products if you plan to do them yourself.
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  • Recommended Hitch for a 2023 Ford Explorer
    Yes, it does. The etrailer Hitch item # e29ZR is confirmed to fit all models of the 2023 Ford Explorer. This hitch is custom fit and bolts to your Ford with included hardware. I really like this hitch because the crossbar is completely concealed behind the rear bumper and the 2" receiver is all that is visible. This not only gives you a better appearance but also helps with ground clearance. This is a class III hitch with a 2" receiver. It has a 6,000 lbs towing capacity, and a 600 lbs...
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  • Recommended Trailer Wiring And Brake Controller For A 2023 Ford Explorer XLT
    Hey Aaron, If your 2023 Ford Explorer XLT has a factory tow package connector back at the rear of the vehicle then you can use the Curt T-Connector Vehicle Wiring Harness # C55664. If you don't have a factory tow package connector then you'll first need to install the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56093. This has connectors that will plug into your tail light wiring and will have one wire to run up to the battery for power. Once installed...
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    Great it sounds like you are already on the right track here. The Draw tite hidden hitch # DT66GR is a great choice for your 2021 Ford Explorer XLT. Once installed, only the 2" Receiver is visible under the bumper. Once you pull the pin and remove the receiver, you will not even know its there, save for a small square cut out of the underbody panel, which is really not visible to the naked eye. The 2" receiver will be perfect for a jet ski trailer and virtually any bike rack. For your...
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  • Trailer Hitch Wiring on 2014 Ford Taurus Police Interceptor
    While there is a trailer wiring harness that you can use for your 2014 Ford Taurus Police Interceptor, I checked with Curt directly and the part # C56093 is not a fit for the vehicle. Instead, what you will need is a hardwire harness, part # C59236. If you also need a trailer hitch receiver for your 2014 Ford Taurus Police Interceptor, use the Draw-Tite Max-Frame Trailer Hitch Receiver - 2" # 75670.
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    The best 4-way trailer wiring harness for your 2024 Ford Explorer is from Curt, with the correct fit being the following part: - Curt T-Connector Vehicle Wiring Harness # C56093 The # C56093 is the best because Curt makes highly reliable trailer wiring harnesses that hold up the best over the long haul. This harness also has the highest amp ratings, so it gives your Explorer the best prevention against any potential shorts.
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  • 2023 Ford Explorer Trailer Wiring Recommend for No Tow Package
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  • Does the Curt C56093 Fit a 2021 Ford Explorer Without Factory Towing Package
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  • Best Hitch And 4-Flat Wiring For 2025 Ford Explorer
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  • Recommended Trailer Wiring Harness for 2022 Ford Explorer
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  • Recommended Hitch for a 2023 Ford Explorer
    Yes, it will but I have a better option. Instead of the Curt item # CU78FR, I recommend the etrailer Hitch item # e29YR. This hitch is identical to the Curt with the exception of the price and color. Both hitches are custom fit for the 2023 Ford Explorer and are manufactured to the exact same specifications. The etrailer Hitch item # e29YR is a class III hitch with a 2" receiver. It has a 6,000 lbs towing capacity and a 600 lbs maximum tongue weight. I have linked an installation video...
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  • Troubleshooting Wiring On Trailer And 2013 Ford Explorer With No Factory Tow Package
    If you are only having problems with one light, you can check to see if you have a ground problem on your trailer that is hooked up to your 2013 Ford Explorer. You want to make sure that the ground wire (usually white) on the trailer connector is securely attached to the trailer frame. If you have a folding trailer tongue, attach the ground connection to the trailer frame, behind the tongue hinge. Check the ground area for any corrosion or paint, or dirt build up. If any is present, clean...
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  • Comparing Curt and Tekonsha Wiring Harnesses for 2020 Ford Explorer
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  • Troubleshooting Curt Trailer Wiring Trailer Wiring Harness Where Turn Signals Stopped Working
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