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  1. Custom Fit Vehicle Wiring
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  4. 2017
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FITS 2017 Nissan Pathfinder
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
Our Price: $88.66
You Save: 30%
Custom Fit Vehicle Wiring
Confirmed to Fit
2017 Nissan Pathfinder

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Call at 1-800-940-8924 for expert service. We are your Nissan custom fit vehicle wiring experts, and offer a great price. carries a complete line of CURT products for your Nissan Pathfinder 2017. Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector part C56281 from CURT can be ordered online at Complete custom fit vehicle wiring installation instructions and technical support.
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  • Reviews (132)
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2017 Nissan Pathfinder - Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

  • Trailer Hitch Wiring
  • 4 Flat
  • No Converter
  • CURT

Quickly and easily install a 4-way trailer connector on your Nissan Pathfinder with this custom harness. T-connector plugs directly into existing wiring - no cutting, splicing or tapping required.


  • 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


  • Maximum amperage:
    • Stop/turn lights: 7.5 amps per circuit
    • Tail lights: 7.5 amps per circuit
  • Limited 1-year warranty


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 Nissan Pathfinder Wiring Harness with 4 Pole Trailer Connector

Installation Details C56281 Installation instructions

California residents: click here

Customer Satisfaction Score:

Customer Reviews

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

Average Customer Rating:  4.9 out of 5 stars   (132 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.


I installed this hitch myself, it took about 1 1/2 hours. The electrical harness and relays were easily installed with little electrical or mechanical knowledge. The video made it simple. I have used my hitch many times and I have had no issues with the mounting or the electrical. I’m glad I purchased it!

2015 NissanPathfinder

The help videos for various types of trailer harnesses on many different vehicle models was a tremendous help in understanding the manufactures systems for towing a trailer.


Awesome experience shopping with etrailer. No regrets even after a year after purchase. I'm always recommending etrailer when I get the chance.


Perfect product for my 2017 Pathfinder trailer hitch (which I also bought from Now I can connect a trailer that I rented from U-Haul and move larger equipment. Thanks guys!

2019 NissanPathfinder

I loved everything about this wiring kit! It was very well thought/planned out. With no need to splice anything, it was a snap to simply connect this wiring harness directly into the existing factory wiring connectors of my 2019 Pathfinder so everything worked flawlessly the first time.


easy to install and no problems with pe rformance


I was able to install by myself in under an hour. Easier than I expected. Well designed and didn’t have to pay Labor:)

2018 NissanPathfinder

It took me like 30 minutes or less to install the harness.

2017 Infiniti QX60

I used this on my 2017 infinity qx60. It was completely plug and play. Factory wireing harness was hanging from the passengers side rear of SUV as stated. Plugged it in and it worked perfectly .

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!


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.


Super fast delivery! Waiting to install but I’m betting it’s easy with the provided videos.

2015 Infiniti QX60

Great product with everything you need to complete the job. etrailer's install videos make the process so much easier.

2015 NissanPathfinder

Installed the trailer light harness on my 2015 pathfinder and it could not have been any easier. Harness kit came with everything needed to install harness.


The hitch and wiring harness and other related items were received. I was able to connect and install everything within 3 hours by myself. The instructions were well written and the online videos helped also. I will be buying from eTrailer in the future.


Have not opened package yet. Package came undamaged which does not happen with many orders. You guys did a good job packing.


Just as advertised. Easy to install.


Very easy to install. Only took about 15 minutes, easiest trailer wiring I've ever done.

2014 Infiniti QX60

Works great for trailering my small sailboat and for my bike rack with my 2014 QX60. Ordered in the afternoon and it arrived the next day even on ground shipping. Took my local mechanic a couple hours to install the hitch and the Curt T-Connector Wiring.

2014 NissanPathfinder

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


Worked great- easy to install!


Everything went well with the installation, the video was very helpful.

2019 NissanPathfinder

I would recommend putting in the wiring before installing the hitch. You will have more room to work on the 4-flat part of the harness. Tested it, and everything works as advertised. Thank you.


Great part easy to install


Worked great!

Show More Reviews

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

  • 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...
  • 4-Way Wiring Harness For 2016 Nissan Pathfinder
    It will not as the part number you mentioned is just a replacement part for a harness for other Nissan vehicles. For a 4-way for your 2016 Nissan Pathfinder that does include the relays to activate the tow package you'd need a harness from Curt: - Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56281
    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...
  • 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...
  • 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...
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  • 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...
  • Should There be Separate Ground Wire on Curt T-Connector Wiring Harness for 2020 Infiniti QX60
    The correct Curt T-Connector Vehicle Wiring Harness for a 2020 Infiniti QX60 is part # C56281. In regards to the installation of the trailer connector harness, this will require an additional ground so you'll either need to find a factory ground stud to tie into or make one of your own with a self tapping screw. This extra ground is needed as the factory ground is determined to be too weak for the aftermarket harness by the manufacturer. I don't recommend using the Replacement Wiring...
    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...
  • 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...
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  • 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...
    Image 1 for
  • 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...
    Image 1 for
  • 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 the...
    view full answer...
    Image 1 for Image 2 for
  • 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 with...
    view full answer...
  • Recommended Vehicle Wiring Harness For Easiest Install On a 2018 Nissan Pathfinder
    For your 2018 Nissan Pathfinder you will need to remove a bit of the rear cargo area to be able to install a wiring harness for trailer towing. I have linked a video below showing the kit being installed for you to reference. For a 4-way flat connector the Curt T-Connector Vehicle Wiring Harness # C56281 would be the kit I recommend. Included is the 4-way wiring as well as a relay harness to power it. The Mounting Brackets # 18144 and # 18140 will provide a secure mount to your receiver...
    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 tow...
    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...
  • Upgrading Existing 4-Pole Trailer Connector on 2017 Nissan Pathfinder to 7-Way
    The Tekonsha # 118273 7-way trailer connector uses the same jumper harness and relays that are used by the Curt # C56281 so you can simply leave those in place and install the 7-way and harness provided with the # 118273 and plug it into the factory connectors you described. That harness will provide the trailer lighting, a 12V feed and transmit the brake controller output from the connector under the dash, but you'll need to install a brake controller to actually actuate the trailer brakes. For...
    view full answer...
    Image 1 for
  • 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 product like part # PC3, part # e98880, or part # 63232 to secure the accessory in your 2" trailer hitch receiver. For a ball mount I recommend the etrailer ball mount kit # 989900. It comes with...
    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 Brake EVN # TK63VR 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 a ball mount...
    view full answer...

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