1. Custom Fit Vehicle Wiring
  2. Curt
  3. Custom Fit
  4. Trailer Hitch Wiring
  5. 4 Flat
  6. No Converter
Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

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

Item # C56281
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Custom Fit Vehicle Wiring

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C56281 - Custom Fit Curt Custom Fit Vehicle Wiring
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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. Call 800-298-8924 to order Curt custom fit vehicle wiring part number C56281 or order online at etrailer.com. Free expert support on all Curt products. Guaranteed Lowest Price and Fastest Shipping for Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector. Custom Fit Vehicle Wiring reviews from real customers.
  • All Info
  • Reviews (60)
  • Q & A (15)
  • Photos
  • Why etrailer?

Curt Custom Fit Vehicle Wiring - C56281

  • Custom Fit
  • Trailer Hitch Wiring
  • Curt
  • 4 Flat
  • No Converter

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.


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
    • Harness with relays connects in rear cargo area
    • Tow harness with 4-way connector plugs into connection points behind rear bumper
  • Includes required relays to activate functions
  • Comes with dust cap for 4-way flat connector


Specs:

  • Maximum amperage:
    • Stop/turn lights: 7.5 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 behind your rear bumper. Once you've plugged in the tow harness, connect the included jumper harness with relays to activate functions. You will have to remove the cargo storage tray, trim panel, rear subwoofer, and rear scuff panel to access the connection point for the jumper harness.


Once installation is complete, the 4-way connector will be stowed beneath your vehicle, near the trailer hitch. A mounting bracket (sold separately) is recommended to keep the connector secure.


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.



56281 Curt T-Connector Vehicle Wiring Harness with 4 Pole Trailer Connector

Installation Details C56281 Installation instructions

This Product Fits The Following Vehicles



California residents: click here



Customer Reviews

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - C56281

Average Customer Rating:  4.9 out of 5 stars   (60 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.

- C56281
by:

Didn’t think I could install the wiring myself using the typical kits that require splicing and tying into the battery. Then I found this kit that uses the existing factory wiring and it was the easiest install. The video provided were of tremendous help. Glad I didn’t pay someone $500 to install a hitch and wiring for me. 683444



- C56281
by:

909018



- C56281
by:
2020 Nissan Pathfinder

Very easy to install. Not sure why Nissan does not just install this when they built the car. 898845



- C56281
by:
2020 Nissan Pathfinder

Fits perfectly as always 899389



- C56281
by:
2014 Nissan Pathfinder

Arrived a day ahead of schedule and the installation instructions really helped simplify the install. 883795



- C56281
by:

Fast delivery, super easy install, instructions were great 875040



- C56281
by:

Super straight forward to install, completed in under 30 mins. 874712



- C56281
by:
2018 Nissan Pathfinder

874125



- C56281
by:
2019 Nissan Pathfinder

It was a exact fit for our 2019 Nissan Pathfinder, thank you very much. 872865



- C56281
by:
2020 Infiniti QX60

Works great! Instruction were easy to read and the kit was simple to install. They also have a lot of installation videos that you can refer to as well. Overall an awesome kit. 867560



- C56281
by:
2020 Nissan Pathfinder

Hard to beat plug and play, watch the install video and it was a breeze. 861110



- C56281
by:

Super easy Install. Instructional video extremely helpful. 859648



- C56281
by:
2017 Nissan Pathfinder

Delivery was sooner than expected. Have the hitch mounted but not the wiring harness. No problems installing the hitch. It fit perfectly. 858793



- C56281
by:

Easy installation, great product 855105



- C56281
by:

Great product and customer service. Carol was great with sending our order so we would have it to use for vacation. Wonderful service 828781



- C56281
by:

Perfect! There was an issue with my order initially, but Noah E. handled it perfectly, corrected what I needed, and got me the parts I needed quickly. The customer service I received to address my issue was outstanding. Quality products and amazing customer service. Will definitely order from etrailer again!! 819815



- C56281
by:

Received in great condition, product looks great in the box. Will install this weekend! Thank you 811784



- C56281
by:
2020 Nissan Pathfinder

easy to install 805063



- C56281
by:
2018 Nissan Pathfinder

As advertised. Quite satisfied! 795340



- C56281
by:

Simple to install, good and clear instructions. Works great! 795326



- C56281
by:
2015 Infiniti QX60

I'm not a "mechanically" handy person so following the instructional video was perfect. It's as easy as shown! A self tapping screw would be a nice addition to the kit. After the hitch is hung the use of the zip ties to secure the wires to the top of the hidden hitch was a nice added feature. The end result looks great, functions as promised and installed as easily as shown! 783434



- C56281
by:

Shipped quickly. Installed easily enough, and yeah, need to include the self tapping screw. I really liked the direct plugins without the need to splice anything. 762206



- C56281
by:

Great fit easily installed- wiring kit was perfect Hauling perfectly after one year Would definitely use etrailer again- Great service 761737



- C56281
by:

I really like the package. 718267


Comments
Easy good instructions, easy install, great results.
Gary W - 10/18/2020

102277

- C56281
by:

Easy diy. The installation video was right on point. Thanks a bunch !!! 704940


27
65
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Ask the Experts about this Curt Custom Fit Vehicle Wiring

  • Wiring Harness Recommendation for 2019 Nissan Pathfinder Without Tow Package
    For ease of install, the trailer wiring harness I highly recommend for your 2019 Nissan Pathfinder without the tow package is the Curt T-Connector Vehicle Wiring Harness # C56281 because it does not require any type of splicing into your Nissan's wires and does not need a direct connection run to the battery, which is often the trickiest part of a harness installation. This harness will require the installation of a couple relays (as you can see in the accompanying photo) but remains...
    view full answer...
  • Is Complete Wiring Harness Necessary for 2017 Infinity QX60?
    I was unable to locate the comments you were referring to specifying that newer models of the Infiniti QX60 such as your 2017 would not need all of the parts, and the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56281 cannot be sold in individual parts so you would need the entire kit.
    view full answer...
  • Recommended Wiring Harness for 2013 Infiniti FX35
    The Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56281 is unfortunately not a fit for your 2013 Infinity FX35. You must have a carry over model because the FX35 was changed when they added horsepower to create the FX37. The correct wiring harness I recommend for you will be the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56074 which is compatible with the 2012 FX35 and the 2013 FX37 models as well as some others. I've...
    view full answer...
  • Recommended Trailer Hitch for a 2020 Infiniti QX60
    Yes, the Curt Trailer Hitch Receiver part # C13126 is a confirmed fit for a 2020 Infiniti QX60 and it offers a bolt-on installation. Furthermore, the Curt hitch has a hidden design which means you only see the receiver tube so you don't have to look at a bulky cross tube at the rear of your vehicle. In regards to installation, this should only take around an hour or so and you don't really need any special tools either so you can do this at home by yourself. If you will be towing then...
    view full answer...
  • Trailer Hitch Recommendation for 2018 Nissan Pathfinder
    To set up your 2018 Nissan Pathfinder for towing, you are off to an excellent start. The Draw-Tite Max-Frame # 76031 is a confirmed fit. Then the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56281 will give you the trailer wiring you need. You will also need a ball mount and a hitch pin. I recommend the Tow Ready J-Pin Stabilization Pin and Barrel Lockset for 2" Trailer Hitches # 63201 because it is designed for use with this hitch and will give you...
    view full answer...
  • Troubleshooting No Trailer Running Lights with Curt T-Connector # C56281 on 2019 Nissan Pathfinder
    If the trailer running lights aren't working with the Curt T-Connector Vehicle Wiring Harness # C56281 installed on your 2019 Nissan Pathfinder, most likely the two additional blue relays that are included in the kit just need to be installed. The fuse box where these will be inserted on your Pathfinder is actually located under the hood, directly behind the driver's side head light. I have attached an image below that shows the box with the two relays already inserted (there will also...
    view full answer...
  • How Can I Tell if My 2013 Nissan Pathfinder Came With Factory Tow Package
    All 2013 Nissan Pathfinders came pre-wired for a tow package, so we know your Pathfinder at least has something. If your Pathfinder came with the tow package option from the dealer, then you would have a trailer hitch and trailer wiring at the back of the Pathfinder. Since you are asking for a wiring kit, I'm guessing you need the wiring still. For this I recommend the Curt 7-Way Wiring Harness, # C56357, if you want a 7-pin trailer connector or the Curt 4-Way Wiring Harness, # C56281,...
    view full answer...
  • Trailer Hitch and Wiring for a 2016 Infiniti QX60
    For a trailer hitch that fits your 2016 Infiniti QX60 AND does not require any trimming you can use Draw-Tite trailer hitch # 76031. The other hitch option requires trimming. I have linked a video showing an example installation for you. For trailer wiring you can use # C56357 to add a 7-Way connector or # C56281 to add a 4-Way flat connector. I have linked videos showing example installations for you. I recommend etrailer ball mount kit # 989900. It comes with 2 ball mounts; one...
    view full answer...
  • Should Trailer Wiring Be Installed with Trailer Hitch or Can it Wait til Later
    Trailer hitch installs and trailer wiring installs are totally separate processes. It wouldn't be a situation where "well, you're already half way there may as well do the wiring too." So if you wanted to start with a hitch now like the # C13309 and then do the wiring part # C56281 now or at a later date you'd have the same amount of work either way. I attached install videos for both of these for you to check out as well.
    view full answer...
  • Trailer Wiring Harness Recommendation for 2017 Nissan Pathfinder
    For trailer wiring for your 2017 Nissan Pathfinder I would recommend the custom fit Curt kit part # C56281 as it installs much easier than the Hopkins by utilizing factory trailer wiring already present on the vehicle whereas the Hopkins kit requires installing inline with the taillights of the vehicle. I attached an install video for this for you to check out as well.
    view full answer...
  • Installing Curt 7-Way T-Connector Wiring Harness on 2016 Nissan Pathfinder
    The Curt 7-Way T-Connector Vehicle Wiring Harness # C56357 referenced in your question is confirmed to fit your 2016 Nissan Pathfinder and will plug into the same ports behind the rear bumper that you used for the 4-Way Harness # C56281. You will need to remove the 4-Way harness for this to install. The relays though that you already installed for the 4-Way are the same for the 7-Way harness so these won't need to be changed. I have attached an installation video that you can use for...
    view full answer...
  • Which Hitch, Trailer Wiring Harness and Towing Accessories for 2016 Nissan Pathfinder
    If the vehicle doesn't already have a trailer connector, you'd need the # C56281 to add a 4 pole or # 118273 to add a 7-way. If the trailer you're planning on towing has electric brakes, you'll also need a brake controller to actuate them. The Draw-Tite iCommand, part # 5535 is an inexpensive but great preforming brake controller. The 3050-P brake controller wiring harness is also needed. The Curt # C13126 hitch you've looked at is a confirmed fit for a 2016 Pathfinder. You'll also need...
    view full answer...
  • Recommended Trailer Wiring Harness to Fit 2016 Infiniti QX60
    The wiring harness that will fit your 2016 Infiniti QX60 depends on if you have tow package or not. If you do not have the tow package you'll need one of the universal hardwire options. I recommend the # 119190KIT. It works on a variety of vehicles, with all sorts of wiring types, and trailers with different types of lights. This will provide you with a 4-way trailer connector. If you need a 7-way you can then use our # ETBC7 kit to convert it. If your Infiniti has the factory...
    view full answer...
  • Will a Trailer Hitch Fit a 2018 Infiniti QX60 with Backup Sensors
    I reached out to Curt, who makes the Curt Trailer Hitch Receiver part # C13126 for your 2018 Infiniti QX60 (excluding Hybrid) and they informed me that the hands free liftgate feature will still work but you will need to position your foot on either side of the receiver tube. They did not mentioned any kicking motion. I don't believe the surround sensors, backup sensors, or pre collision avoidance features will be hampered by the hitch but the pre collision avoidance has not been tested....
    view full answer...
  • Troubleshooting Wiring Harness Installation for 2013 Infiniti JX35
    We are happy to help with getting you the correct parts for your vehicle. For your 2013 Infinity JX35, the Curt wiring harness # C56281 you referenced is the correct fit for a factory replacement. The relays you need to install are not in the 6x6 fuse box according to my tech contact but rather in the small box by the firewall that is about 1-1/2 by 6 inches and has a black cover you will remove. It unfortunately is not quite as easy to get to and you may want to test the harness to...
    view full answer...

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




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Info for this part was:

Edited by:
Lindsey S
Installed by:
Jeff D
Video Edited:
Joshua S
Video Edited:
Jacob T
Video Edited:
Chris R
Video by:
Dustin K
Video by:
Zach D
Written by:
Chelsea B
Updated by:
Sarah W
Updated by:
Kristina F
Updated by:
Isabelle B
Test Fit:
Brent H
Test Fit:
Shane H
Test Fit:
David F
Test Fit:
Ryan G

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