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  1. Custom Fit Vehicle Wiring
  2. CURT
  3. Custom Fit
  4. Trailer Hitch Wiring
  5. 4 Flat
  6. Converter
THIS ITEM IS NOT A FIT FOR
2001 Toyota Sienna

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

Item # C56011
Retail:$66.59
Our Price: $36.31
You Save: 45%
Custom Fit Vehicle Wiring
Not Confirmed to Fit

2001 Toyota Sienna

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Shipping Weight: 0.88 lbs
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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 - no cutting, splicing or tapping required. Converter is made using SMT to ensure superior performance. 1-800-940-8924 to order CURT custom fit vehicle wiring part number C56011 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 (492)
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CURT Custom Fit Vehicle Wiring - C56011

  • Custom Fit
  • Trailer Hitch Wiring
  • 4 Flat
  • 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 - no cutting, splicing or tapping required. Converter 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 - no cutting or splicing of wires
    • Locate connection points in rear cargo area
    • Plug in T-connector
  • Includes a tail light converter to ensure that your vehicle's wiring matches that of your trailer
  • 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
  • 1-Year limited 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 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.


Tail Light Converter with Surface-Mount Technology

A tail light converter is built into this T-connector. 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.



56011 CURT T-Connector - Surface Mount Technology - 4 Wire

Compare to Tekonsha 118596

Installation Details C56011 Installation instructions

This Product Fits The Following Vehicles



California residents: click here


Customer Satisfaction Score:


Customer Reviews

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - C56011

Average Customer Rating:  4.8 out of 5 stars   (491 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 - no cutting, splicing or tapping required. Converter is made using SMT to ensure superior performance.

by:

This harness did not fit the vehicle (2018 Fiat 124 Spider) it was recomended for. The part was recomended by etrailer.com but did not fit. See picture of packaging, It should have been pretty obviouse this was not going to fit. To return it they wanted to charge me almost $xx. Caution ordering from this web site, if they recomend it and it doesn't fit you are going to pay shipping to return it.

Etrailer Expert

Katrina D.

10/28/2023

I am sorry to hear that this harness did not fit your 124 Spider. I do see that we do not carry anything on our site that will work on your vehicle. I am not sure how this harness even came into your search, but I will definitely make sure that this mistake will not happen again. As for finding a harness that will work, I would highly recommend contacting Fiat to see if they have a harness that they would recommend.



by:
2009 Mazda 3

Very easy install, just make sure the ground wire has proper contact with the chassis or you will have issues with trailer lights doing some crazy things.



by:

Great product and great service, easy plug and play install



by:
2015 Mazda CX-5

I am quite happy with this wiring kit! It truly is plug and play!!
After watching the video, the install was quick and easy.
I only deviated from the install video, where it concerns the ground wire.
It says to use a drill and make a 3/32 hole and use the self tapping screw, if you can not find an existing place to mount the ground wire.
On the CX-5 there is a perfectly placed nut that can be used, and you dont even need any extra tools above what the kit calls for.
When you pull off the plugs for the drivers side tail lights, you will also see 3 10mm nuts that hold the tail light in place.
Just remove the one below the brake light, and slip the ground wire over it and replace the nut.

Tim W.

7/27/2018

I havent had to pull any more trailers, but I have no doubt it will work just fine, the next time I need to unroll it from the spare tire well!



by:
2012 Mazda 3

By far the easiest install i have done in a long time.

Steven

3/29/2024

Still working perfectly use it a lot because I use my little Mazda to tow my small boat to go fishing.



by:
2015 Mazda CX-5

Super easy to install. Still need to test it with a trailer though.



by:

Fit my car application and fast shipping. Thanks!



by:

Seems to be high quality and perfect fit. I have hauled a few things with it, no problem. My advice is to just fully remove the muffler instead of dropping it. If you are installing it in your driveway like I did. It was very difficult to get leverage to squeeze it into place, but once I pulled the muffler, easy.



by:
2015 Honda Accord

Bought for 2015 Honda Accord. The plugs did not match the vehicle. Confirmed that it was corrrect and was told Honda screwed up and to splice it in.

Etrailer Expert

Jenny N.

3/28/2024

I am sorry that it needed to be spliced. Does your Honda Accord have LED tail lights? If it has LED tail lights then you would need part # C56173.



by:

Wiring was easy, aside from some inevitable tight quarters gaining access to the rear of the taillights to connect everything.



by:

Works great! Detailed instructions.



by:
2008 Honda Civic

Very easy to install, and good plug len gth.



by:
2015 Mazda CX-5

The hitch was great and went on without a problem. Wiring also worked great. Done! I bought from you because of your videos and they made installation so much easier. I am a do it yourselfer but at 73 was thankful for all you information and help via the videos. Would recommend your site to anyone in need of a hitch.



by:

Very simple installation that connects to the existing tail light connectors without any extra splicing of wires



by:
2015 Mazda CX-5

Item was plug and play as advertised. Paper instructions included are marginal. Site provided video was very helpful.

This is my second installation using etrailer; they've been good to deal with each time.



by:

Great product, does what it says. Instructions were very generic and poorly written, and omitted a critical step - connecting the second in-line plug on the driver side for the running lights. Apart from that the install was very easy. The supplied adhesive mounting pad for the converter would not stick to the trunk interior paint, so I used heavy-duty hook and loop instead.



by:
2015 Honda Accord

I installed this on my 2015 Honda Accord for the purpose of pulling my small aluminum fishing boat and trailer. Works great!



by:

Too easy to install!! I wish I could have found kits like this years ago! .. Kits like this should be the standard!



by:
2014 Honda Accord

Very easy to install and just enough wiring for an Accord that there are no wires dangling in any locations.



by:

Easy to install, worked as expected



by:

I am pleased with your service and the product. Ease of installation is the best thing.



by:

easy install and works great.



by:
2014 Mazda CX-5

Shipping was prompt and without issues. The install
On my 2014 Mazda cx5 was easy and stright forward. I watched the install video on the product page for CX5, and just
Followed the steps in video. Took 10min to remove interior panels, ect, and 10 min to make all plug and play connections, no issues.
Then 10min to put panels back in place. Tested the flat connector
As described in video. Works perfectly. This is after I went to Uhaul and they spent almost 2 hours under my CX5 baffled and unable to install a traditional trailer wire kit. I left with hitch only and installed this plug and play kit, completely satisfied.

Jeff

5/17/2015

Thanks so much.



by:
2015 Mazda CX-5

My wife and I installed a 2" Curt trailer hitch (and wiring) on our 2015 Mazda CX-5. Total installation time was about 2 hours. We didn't have any problems with the instillation of the hitch or wiring. Etrailer has a video link available, which should be viewed before you begin your installation. However, there wasn't any audio with this.
The hitch is solid and appears to be well built. Occasionally, we pull a small aluminum trailer loaded with kayaks, or other light items.
We have ordered from Etrailer before and feel they are a good company to do business with.

Michael G.

9/16/2015

Weve had our Curt hitch for over a year now and it still looks like new. Were very satisfied and recommend Curt and Etrailer.



by:
Honda Accord

Second wiring harness I've ordered from etrailer.com. First was for a Honda Civic I was leasing. I now have an Accord Sport sedan and expect the installation to be as easy as the previous. Just pull some trunk panels and connect plugs to existing light fixtures. I already popped the one side to verify I have standard lights vs the LEDs. Looks even easier than the Civic was. Totally satisfied with the price and shipping/tracking of the order.

Jd

6/18/2016

I use the hitch mostly for my bicycle rack and it works as designed with no problems.I have tested the wiring harness and it operates the lights on my boat trailer also with no problems.Im happy with the products.


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Show More Reviews

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

  • Troubleshooting Wiring When All Lights Work Except Brake Lights
    You will need to check the stop light and/or CHMSL fuses in the towing vehicle. You may find that is causing the issue. You can then check to see if there are separate fuses or relays for the tow package wiring. You can check the owner's manual to find the locations of any fuses/relays. If the fuses and relays all check out it may be a problem with the ground. You will want to make certain both the vehicle and trailer side ground wires are attached to clean bare metal surfaces. Also make...
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  • Trailer Hitch and Wiring for a 2015 Mazda CX-5
    No need to wait. I checked with Draw-Tite and trailer hitch # 76138 officially fits the 2015 Mazda CX-5. If you are planning on doing some towing I recommend ball mount kit # EBMK4. It comes with a ball mount, interchangeable ball set, a hitch pin with clip, and a storage bag. And for trailer wiring use # C56011.
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  • Availability of a 2" Trailer Hitch Receiver For a 2014 Honda Civic Sedan
    It sounds like you are looking for the EcoHitch Trailer Hitch Receiver # 306-X7235 for your 2014 Honda Civic Sedan. This has the 2" hitch opening and 5/8" hitch pin. If you choose to go with the Curt Trailer Hitch Receiver # C11391 you will need to use a class I compatible rack like the Thule EasyFold XT # TH903202. This bike rack will fit the smaller 1-1/4" receiver on the Curt as well as the larger 2" receiver on the EcoHitch with the included adapter. I recommend installing the Curt...
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  • Recommended 4-Pole Trailer Wiring Harness for 2006 Mazda 3 Grand Touring with LED Taillights
    I checked with both of our main trailer wiring suppliers, Curt and Tow Ready, and neither offers a plug-and-play type 4-pole wiring harness for your 2006 Mazda 3 Grand Touring Edition with LED taillights. However, we do have a hardwired type harness that you can use, part # C59496. This complete kit includes the harness, connectors and wiring required for installation, and even includes a circuit tester to help you identify the function carried on each of the car's tail light wires. This...
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  • Trailer Hitch and Wiring for a 2006 Mazda 3, 2.3L Grand Touring
    For your 2006 Mazda 3 Grand Touring I recommend Draw-Tite trailer hitch # 24816 rated for 200 pounds tongue weight and 2,000 pounds gross trailer weight. For a ball mount Draw-Tite recommends # 3592. If the trailer requires a 1-7/8 inch ball use # 19256 and if it takes a 2 inch ball use # 19258. For trailer wiring, since your Mazda 3 has the Ground Touring light package, I recommend ZCI harness # 119250KIT. This harness works with LED lights and you will not have to splice into the vehicle...
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  • Trailer Wiring and Installation Video for a 2013 Honda Accord
    We do have a video showing installation of Curt trailer wiring harness # C56011 that I have linked for you. The connectors on the harness will plug in line with the vehicle tail light wiring. I have included a link to the installation instructions for you.
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  • Can a Trailer Hitch for a 2008 Honda Civic Be Used for Towing
    We do offer trailer hitch options for a 2008 Honda Civic such as the Curt Trailer Hitch Receiver part # C11391 which is what I recommend using. This trailer hitch can be used for towing but the exact amount if even applicable will be listed in your owner's manual so you will need to look here if you wish to stay within the manufacturer's guidelines. Please note, in order to remain legal while towing you'll also need a trailer wiring harness, the Curt T-Connector Vehicle Wiring Harness part...
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  • Brake Controller Recommendation for a 2011 Honda Fit
    They is no reason you couldn't hardwire a brake controller to your 2011 Honda Fit. You will need to start with a 4-way (if you do not have one). For that you would want the # C56011. From there you would need to convert the 4-way to a 7-way so that you can install the brake controller. For that you will want the Brake Controller Install Kit and 7-Way Adapter part # ETBC7. I attached installation instructions and an install video for this product as well. For a brake controller I would...
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  • Highest Tongue Weight Capacity Trailer Hitch for 2009 Mazda 3
    The highest capacity trailer hitch offered for a 2009 Mazda 3 is the Draw-Tite Sportframe Trailer Hitch Receiver part # 24816 which is rated at 2,000 lbs of gross trailer and 200 lbs of tongue weight. In regards to tongue weight, this includes the weight of the carrier and everything on it. If you need a higher tongue weight, the only option is a trailer which will also require wiring like the Curt T-Connector Vehicle Wiring Harness part # C56011.
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  • Trailer Wiring Harness for a 2014 Mazda CX-5
    Curt trailer wiring harness # C56011 fits the 2014 Mazda CX-5 if it does NOT have LED tail lights. If your CX-5 has LED tail lights then you can use harness # 118563. I have linked videos showing example installations of each harness for you.
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  • Trailer Wiring Options for a 2015 Honda Civic
    If your 2015 Honda Civic is a sedan and not an Si or hybrid then for a trailer wiring harness I recommend Tow Ready harness # 118420. I have included a link to a video showing an example installation for you. For a coupe use # C56051. For a sedan Si use # C56011. For a sedan hybrid use # C59236.
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  • Recommended Drawbar For A 2015 Honda Accord Towing A 550 Pound Boat Trailer
    With The Curt Trailer Hitch Receiver - Custom Fit - Class I - 1-1/4 inch # C11681 installed on your 2015 Honda Accord The Curt Class I Drawbar - 5 inch Rise - 11-9/16 inch Long - 2,000 pounds # C45025 would work for you. The drawbar has a tongue weight up to 200 pounds which will work perfect with your 550 pound boat trailer. The drawbar has a corrosion-resistant, black gloss powder coating. You also need either The 1-7/8 inch ball # C40001 or The 2 inch ball # C40018 for the draw bar....
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  • Recommended Tow Bar Wiring For 2013 Honda Fit Being Flat-Towed
    The Curt T-Connector Vehicle Wiring Harness, part # C56011 is designed to work with your Honda Fit to tow a trailer behind the vehicle. This harness is not designed for operating the lights on your Fit while it is being towed. For that you would need tow bar wiring. When you flat-tow your Honda, you will need kit like part # 154-792-118158. This is a diode kit and includes the converter needed for your Honda with separate wire(meaning the brake light bulb is separate from the turn signal)....
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  • Curt Trailer Wiring Harness that Fits 2011 Honda Accord Crosstour
    We have a custom fit Curt trailer wiring harness that fits your 2011 Honda Accord Crosstour with the part # 56008 but the # C56011 is not the correct fit.
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  • Hitch and Towing Setup Recommendation for a 2015 Honda Accord Coupe
    The Curt item # C11496 that you referenced does not include the recommended ball mount, part # 3593. With a Class I hitch like this you can only use the recommended ball mount for the hitch. For a hitch ball you would want the part # 19256 for a 1-7/8 inch ball or part # 19258 for a 2 inch hitch ball. If you have a coupe with LED taillights you would want the part # C56173 for trailer wiring or part # C56011 for with incandescent bulbs.
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  • Are Fuses Added to a 2013 Honda Accord to Install Curt Trailer Wiring Harness # C56011
    No, there is no fuse that you will need to add for Curt wiring harness # C56011 to work on your 2013 Honda Accord. The trailer lights are powered by the vehicle tail light wiring. This wiring harness was designed to work with sedan models that do NOT have LED tail lights. If your vehicle is a sedan and it does have LED tail lights you would use # C56173.
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  • T-Connector Vehicle Wiring Harness For 2016 Mazda CX-5 With LED Lights
    The correct Curt wiring harness for your 2016 Mazda CX-5 is part # C56310. The connectors changed between 2015 and 2016 for the CX-5 and the # C56011 will not work with your 2016. Per my Curt contact, the # C56310 will work fine with the LED lights on your CX-5. You just need to access the wiring connection points in the rear cargo area and then run a hot lead to the car battery. This harness includes a tail light converter that keeps the electrical system on your vehicle from being overloaded.
    view full answer...
  • Recommended Trailer Wiring Harness for 2011 Mazda 3 Grand Touring with LED Tail Lights
    I do have a solution for you, however if your 2011 Mazda 3 is equipped with the LED tail lights, the Curt T-Connector Vehicle Wiring Harness # C56011 that you referenced will not be compatible. For your Grand Touring model that has the LED lights, I instead recommend the Hopkins Wiring Kit # 119179KIT. This is a universal, hardwire kit that features integrated circuit and overload protection to safeguard itself and your vehicle from electrical shorts. There is not a custom harness available...
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  • Recommended Trailer Hitch And Wiring Harness For 2015 Honda Accord Hybrid
    I called my contact at Curt and they verified there is no problem with installing a trailer hitch like part # C11681 on your 2015 Honda Accord Hybrid. I have attached a link to an installation video for this hitch on a 2015 Accord you can check out. This is a Class l hitch and it has a 1-1/4 inch receiver opening. If you plan on towing the recommend ball mount you need is part # C45521. Then for hitch balls use either # 19256 for a 1-7/8 inch or # 19258 for a 2 inch. If you need a...
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  • Recommendation For Carrying 3 Bikes Behind a 2009 Honda Fit Sport Hatchback
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  • Is There a Trailer Hitch Receiver for a 2014 Mazda CX-5 Towing a 2,000 Pound Boat
    A popular trailer hitch for your 2014 Mazda CX-5 is the Curt Class-II # C12170. It will have a 3,500 pound towing capacity and 350 pound tongue weight capacity. I did some research on your CX-5 and it seems to have a 2,000 pound maximum towing capacity. I would double-check your owners manual because you will not want to exceed it. The custom wiring is # C56011 and ball mount kit I would go with is # 989891 (2 trailer hitch balls to fit different applications, ball mount with 3/4 inch...
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  • What Hitch Fits my 2013 Honda Civic HF
    The Curt Trailer Hitch Receiver part # C11391 is a confirmed fit for your 2013 Honda Civic HF. I have linked the installation video we did here on a similar 2013 Civic for you to check out. If you need wiring the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector part # C56011 is also a custom fit harness that is made specifically for your Civic.
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  • Easy to Install Tow Bar Wiring Kit that Fits 2009 Honda Fit
    This is a good question but trailer wiring cannot be used in reverse to act as tow bar wiring. But we do have a plug and play option that does fit your 2009 Honda Fit with the part # HM56302 which is what it sounds like you are looking for.
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  • How to Tow a Trailer with a 2014 Mazda CX-5
    For your 2014 Mazda CX-5, the Curt Trailer Hitch Receiver part # C13315 is an excellent option. It is a Class III hitch with a 2" receiver tube opening. The hitch offers a complete bolt-on installation that will not require any cutting or drilling. Then for a wiring harness, the Curt T-Connector Vehicle Wiring Harness part # C56011 is a confirmed fit and will work well for you. It also offers an easy installation which is plug and play. I have attached an install video of both the hitch...
    view full answer...


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