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

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

Our Price: $84.94
Custom Fit Vehicle Wiring

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Shipping Weight: 1.07 lbs
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118670 - No Converter Tekonsha Trailer Hitch Wiring
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Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring. 1-800-940-8924 to order Tekonsha custom fit vehicle wiring part number 118670 or order online at etrailer.com. Free expert support on all Tekonsha products. Great prices and Fastest Shipping for T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector. Custom Fit Vehicle Wiring reviews from real customers.
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  • Reviews (215)
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Tekonsha Custom Fit Vehicle Wiring

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

Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring.


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 point behind the rear bumper
    • Plug in T-connector
  • Includes required relays to activate functions
  • Constructed of 16-gauge bonded wire
  • 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
  • 1-Year limited warranty


Installation

This custom-fit T-One connector plugs into your vehicle's wiring harness, which is located just behind the rear bumper, in the center of the vehicle. Once you've plugged in the tow harness, insert 2 of the blue relays and the brown relay into the included jumper harness. This harness then plugs into the port that is located behind the driver's-side trim panel in your rear cargo area. Plug the remaining 2 blue relays directly into the relay box under your hood.


Once installation is complete, the 4-way flat 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.



118670 Tow Ready T-1 T-Connector - 4 Wire - Modu-Lite

Item # 118670

Installation Details 118670 Installation instructions

This Product Fits The Following Vehicles



California residents: click here


Customer Satisfaction Score:


Customer Reviews

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - 118670

Average Customer Rating:  4.8 out of 5 stars   (215 Customer Reviews)

Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring.

by:

Trailer towing package has worked great and after one year I have had no issues. Price was great compared to dealer cost.

Comments
works great with no issues!
Chad M - 05/27/2020


by:
2013 Nissan Pathfinder

Great product at a fair price. Excellent packaging. Very easy installation.

Everything was exactly as the included instructions displayed. It took about 90 minutes start to finish with only hand tools. No helper or jack needed.
Although the hitch itself fit the vehicle precisely, I had to remove the towing mount due to it overlapping the frame where the hitch mounts. Not a big deal as the tow truck guy can hook to the new hitch instead.

A note which will likely be frowned upon by eTrailer, if you want to avoid removing the rear threshold, the trim piece, and the cargo compartment, and the huge speaker if installed, there is an alternative.

If you pop off the access grill in the rear side panel, you can carefully cut the nonessential plastic out (using care not to remove the outer area where the grill plugs in) with a heated razor knife, you can easily access the harness plugs.

The only negative was after paying extra for three day shipping, with a limited window to install it, it took FOUR full business days to receive.
Overall, a great experience!



by:

Service at etrailer was great & the hitch has worked perfectly.



by:

It took me more than an hour to install the hitch and wire harness
Watch the video how to install . It very easy to install but you going to need a second set of hand to hold the hitch up .



by:
2020 Nissan Pathfinder

Instructions were missing a couple of steps, the etrailer video was very helpful. 2020 Pathfinder SV with tow package already had the relays under the hood installed.



by:

It was really easy to install and the video showed every step perfectly. I used the zip ties for the plug until I get the mount kit. The only thing is it didn’t come with a self tapping screw.



by:

Watched the installation video and when I installed the wiring harness, it was spot on. Smooth installation. I do control electrical work at a automotive plant and the quality of the parts was equivalent to the parts I use at work. We have high standards on what we use. Great experience.



by:

Works perfectly!



by:
2018 Nissan Pathfinder

installation video made it super easy and fast



by:
2019 Infiniti QX60

When I opened the large hitch box, I looked down and I could see the harness and plastic bag with harness parts sitting on the bottom. It looked like someone just tossed them in. Then I found the harness box taped to the underside of the hitch and the top of the box opened during shipment. No problem. Everything appears good with no missing parts.

Comments
The harness worked out well and still is. My son, who is a mechanic, installed the harness and hitch. It took him a few extra minutes to figure the parts out, but mission accomplished.
Ron S - 01/17/2022


by:
2013 Nissan Pathfinder

The Draw-tite Max-frame hitch receiver arrived on time and was installed within 30 minutes. The wiring harness that was purchased with the hitch was just as easy to install. The installation videos were on point and very helpful.

Comments
The products have certainly served our needs, and we are very pleased with our purchase.
Rob - 04/18/2019


by:

Your video was a big help in letting me install this wiring harness for my 2014 Infiniti QX60. And I am very pleased with the purchase and your team.

Comments
Excellent best investment easy installation
Al - 08/15/2022


by:

Perfect match to vehicles systems. Installation was fairly easy to perform with most of the work contributed to disassembly and reassembly of vehicle panels to excess wiring harnesses.



by:

I’m very satisfied. I was able to install the following products on my vehicle very quickly and easily.

• Draw-Tite Max-Frame Trailer Hitch Receiver - Custom Fit - Class III - 2"
• T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Delivery was very quick. The videos on the etrailer.com website were very helpful and all of the parts fit without any issues.
I would have had to spend at least twice as much to have someone install the same thing, and at the time, I couldn’t find anyone in my area willing to do it.



by:

Don't follow the instructions for the wire harness watch the etrailer video .
The instructions leave out alot of details for installation of the wire harness.

Comments
Great
Jim F - 08/27/2017


by:
2015 Infiniti QX60

I had a tough time chasing the weldnut holes in the frame as they were corroded. That took me about 3 hours. Torqueing, oiling, heating, backing out, starting over. eventually got the holes prepped. This was no fault of etrailer, though. Once the 6 holes were prepped, I was able to install the hitch in less than 15 minutes with the help of my son.

The electrical wiring took about 2 hours. Not difficult, just time consuming with having to remove a number of interior body parts. I used the on line videos instead of the written instructions that came with the wiring kit. The video was precise and if you follow every step, you will have no problems. Everything worked perfectly. Doing this myself saved me over $300.



by:
2018 Saturn Relay

Easy to install; however, I deviated from the website's video instructions as to the installation of the relays. The video suggests the removal of the rear cargo bin and to then remove a bracket to access the wiring for the relay. The rear bolts holding the bracket in are VERY difficult to access, so I chose to pull back the interior panel at the rear taillight. This method of accessing the wiring harness was much easier than removal of the bracket as shown in the video.

Product works great!



by:
2015 Nissan Pathfinder

Purchased wiring harness for a 2015 Pathfinder. Harness was simple to install. Took about 10 minutes to connect. Super fast shipping. Received within two days of purchase. Works perfect.

Comments
Perfect. Works great for hauling a trailer or using a bike rack.
Scott - 01/25/2019


by:
2015 Infiniti QX60

the order came quickly and without issue . the installation was quick and simple . (my third e trailer hitch installation on three different vehicles in 8 years) now to the problem .... after mounting the hitch on my 2015 infinity qx60 , i noticed something odd. the receiver is not plumb with the bumper . the driver side tube of the draw tite hitch is lower than the right side , not as obvious with nothing in the receiver , but i have a bump step that is 10" long and flat as a step , it shows how much it is out of plumb ....i dont know what to de except shim the right side to even out the difference . HELP



by:
2015 Nissan Pathfinder

I installed this wiring kit in my 2015 Pathfinder about a year ago. And, it works perfectly. I use it pulling my boat every weekend.
Part of the installation was a little tricky, but that's entirely due to the way Nissan wired the back of the vehicle. The rear access panel on the driver's side is pretty tight. Apart from that, the installation was easy. And, I found several online videos showing every step in detail.



by:
2015 Nissan Pathfinder

This wiring harness kit is perfect for a diy install job. The part that really makes this kit worth it is the accompanying installation video provided by etrailer.com. I definitely couldn't have installed this myself without the detailed info provided by this video. Once I knew where these parts went on my Pathfinder, and how to get there, it really was a diy job.



by:

Very easy setup and installation. I used video's provided by etrailer and YouTube and had no issues. Exact plug and play setup for 2018 Pathfinder



by:
2013 Nissan Pathfinder

etrailer was outstanding with their prices, very fast free shipping and installation information provided on line. The curt Hitch was easily installed on a 2013 pathfinder after watching the videos on my make and model on line. It took about 90 minutes to install both the curt hitch and trailer wiring on a pathfinder that didn't have a pre installed tow package.



by:
2017 Nissan Pathfinder

Installed a new trailer hitch on my 2017 Pathfinder in about 1.5 hours. Worked great and has enabled me to tow u-hauls or simple stuff like bike racks. Good product.



by:
2020 Infiniti QX60

Following the directions you can't mess it up! Worked perfectly following the video!


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Show More Reviews

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

  • Recommended Wiring Harness for 2014 Nissan Pathfinder
    To add a 4-flat to your 2014 Nissan Pathfinder I recommend going with the T-One Vehicle Wiring Harness # 118670 which you'll only need to plug into your Pathfinder so there will be no type of splicing needed. You can see exactly how this harness is installed in the video I've linked for you. To mount the harness to your Draw-Tite # 76031 hitch you can use Mounting Bracket # 18144. If you are going to be towing, I recommend checking out Ball Mount Kit # 989900, which may fulfill your towing...
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  • Best Trailer Wiring Harness for 2019 Nissan Pathfinder
    The best trailer wiring harness for your 2019 Nissan Pathfinder is the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 118670 or, if you need a 7-way, the T-One Vehicle Wiring Harness - 7-Way Trailer Connector # 118273 because their manufacturer, Tekonsha, has proven to make the most reliable trailer wiring harnesses available. I do recommend using Dielectric Grease for Electrical Connectors # 11755 to help prevent any type of corrosion in your connector; using this...
    view full answer...
  • Trailer Hitch and Towing Accessory Recommendation for 2014 Infiniti QX60
    We do have hitches that will work for your 2014 Infiniti QX60, but the # 76034 you specified is a fit for the Ford Explorer, and wouldn't fit your Infiniti. Not only are the frame members at a different width, but the mounting holes are all different and wouldn't match up. For your QX60, I'd recommend the Curt Class III, part # C13126. This is a mainly concealed installation, which means that the only visible portion of the hitch will be the receiver tube and the safety chain hoops. If...
    view full answer...
  • 4-Pole Trailer Wiring Harness Recommendation for 2014 Nissan Pathfinder
    To install a 4-pole trailer connector on your 2014 Nissan Pathfinder, you'll need part # 118670. In addition to the 4-pole trailer connector, the kit also includes the necessary relays to activate the tow package. I've linked you to the installation instructions.
    view full answer...
  • Troubleshooting No Turn or Stop Lights on Trailer with Tekonsha T-One Wiring Kit
    The first thing to do is determine if the problem is on your vehicle or trailer side. Use a circuit tester like part # PTW2993 to test the 4-Way Flat T-One # 118670 that fits the 2017 Nissan Pathfinder you selected as your vehicle info. I have attached a photo showing what pins are for which functions. Since the wiring is new I would imagine that the problem is on your trailer. When you will need to do is make sure that your trailer plug is clean and free of debris and corrosion. If this...
    view full answer...
    Image 1 for
  • Trailer Wiring Recommendation for 2018 Nissan Pathfinder
    For your 2018 Nissan Pathfinder the correct 4-way trailer wiring kit is the part # 118670. If you needed a 7-way instead it would be the part # 118273. The other harness you mentioned is for Nissan Frontiers and older Pathfinders. I attached an install video for the # 118670 for you to check out as well.
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  • My 4-Way Wiring Harness Is Not Getting Any Power On My 2017 Nissan Pathfinder Platinum
    I have a couple of recommendations for you. The first thing I would suggest is to test your 4-way wiring harness where it plugs into your truck wiring with a circuit tester, part # PTW2993, at the connection and not at the 4-way flat. If you are getting power before the wiring harness, your problem is with the wiring harness itself. My next recommendation is to make sure your 4-way flat is connected to a power source. This wiring harness should already be plugged into a jumper AND grounded....
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  • Comparing Curt and etrailer.com Hitch for 2018 Nissan Pathfinder
    Curt actually makes the etrailer.com hitches like the part # e98908 that you referenced which is why it's basically identical to the Curt # C13309 that fits your 2018 Nissan Pathfinder. It is a somewhat new hitch line we started offering but not brand new. This means that the install video for the Curt (attached to this page) would cover the install of the # e98908 as well. The hands free liftgate of your Pathfinder will still work but you just would have to kick your foot to either side...
    view full answer...
  • Troubleshooting Trailer Lights Not Working with T-One Wiring Installed on 2020 Infiniti QX60
    Thank you for all of the information! The T-One Vehicle Wiring Harnesses, like part # 118670 for your 2020 Infiniti QX60, typically do a great job and don't malfunction often. Since you've replaced this harness already and you've checked and found your fuses to be good there is really only one other thing on the vehicle end that could be the problem and that's the OEM wiring on your vehicle (it's possible both T-One harnesses were bad but REALLY unlikely). What you'll do to test this is...
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    Image 1 for
  • Parts Needed to Tow a Trailer with a 2020 Nissan Pathfinder
    In order to tow a trailer with a 2020 Nissan Pathfinder you'll need at the very least a trailer hitch, wiring harness, and ball mount/hitch ball. If the trailer has brakes, you'll also need a trailer brake controller. I'd also probably recommend a set of towing mirrors to help with visibility as well. I have attached for you below a full list of these parts. etrailer Trailer Hitch Receiver part # e98908 T-One Vehicle Wiring Harness part # 118670 T-One Vehicle Wiring Harness part # 118273...
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  • Trailer Wiring Harness For a 2016 Infiniti QX60 That Attaches Under Passenger Side Bumper
    We do have the wring harness that you are looking for but the manufacturer does not offer this separately from the kit. Therefore, you can use the T-One Vehicle Wiring Harness part # 118670 for 4-way trailer connectors or part # 118273 for 7-way trailer connectors and then just hold onto the others parts you are not using. This option would still be loads more cost effective than getting just the harness from your dealer which is your only other option.
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  • Folding Cargo Carrier and 4-Way Harness for 2020 Nissan Pathfinder with Draw Tite Hitch
    For a folding cargo carrier that covers everything you are looking for the etrailer folding cargo carrier # e98874 which has a 2 inch shank rise, is folding, tilting, and has plenty of clearance to fit past the rear of your 2020 Nissan Pathfinder with the Draw Tite hitch # 76031 installed. Then for a 4-way trailer wiring harness the best option is the # 118670 which is super easy to install. I attached an install video for this for you to check out as well.
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  • Recommended Trailer Hitch Receiver For 2017 Infiniti QX60
    For your 2017 Infiniti QX60 I recommend the Draw-Tite Max-Frame Trailer Hitch Receiver - Custom Fit - Class IV - 2" # 76031 due to its 900lb tongue weight rating and 6000lb trailer weight rating making it perfect for carrying a bike rack, cargo carrier, or ball mount for towing a trailer. This hitch is pretty easy to install as you will only need to remove the driver side tow hook from the frame, and then the hitch will bolt up with no trimming to the rear bumper fascia. If you are planning...
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  • 4-Way Trailer Connector for a 2015 Nissan Pathfinder
    Wiring harness # 118263 is only part of what you would need for your 2015 Nissan Pathfinder. There is also a jumper harness and relays that will be needed to make the harness fully functional and is not included with # 118263 since it is for models that have the factory tow pacakge. To get everything needed I recommend # 118670. It comes with the jumper harness, relays, and the 4-Way harness.
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  • Recommended Trailer Wiring Harness for 2013 Infiniti JX35
    The Tekonsha T-One Vehicle Wiring Harness # 118670 that you recently installed is actually not a fit for your 2013 Infiniti JX35. The harness will physically install just fine, as you found, but the JX35 is missing an additional factory jumper harness that is needed to activate the turn and stop light signals. This explains why you aren't getting these signals to work on the connector. The only available wiring harnesses that are confirmed to work on your 2013 Infiniti JX35 are universal...
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  • Trailer Wiring Recommendation for a 2019 Nissan Pathfinder
    I can definitely help you choose a wiring kit for your 2019 Nissan Pathfinder! If you opted for the factory prep package then you should have a factory pigtail that plugs in behind your rear bumper on the passenger side. Once the pigtail is plugged in you simply need to connect the Hopkins # HM40975 and secure it to your trailer hitch using the Mounting Bracket # 18140. Otherwise I recommend using either the 4-Way T-One # 118670 or the 7-Way T-One # 118273 from Tekonsha because we have...
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  • Recommended T-One 4-Pole Trailer Wiring Harness for 2015 Nissan Pathfinder Without Tow Package
    We do offer a 4-pole trailer wiring harness for your 2015 Nissan Pathfinder without the tow package, part # 118670 from Tow Ready. This kit includes the harness and relays required to activate your wiring. It also includes a plug-in 4-pole trailer connector. This custom-fit T-One 4-pole connector plugs into your Nissan Pathfinder's wiring harness, which is located just behind the rear bumper, in the center of the Nissan Pathfinder. Once you've plugged in the tow harness, insert 2 of the...
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  • Do Some 2013 Nissan Pathfinders Have Blue Relays for Trailer Wiring Already Installed
    Some Nissan vehicles will have the blue relays already installed. Some will have some but not all. If your 2013 Nissan Pathfinder has them already and the trailer wiring seems to be functioning fine after you installed the # 118670 then you would be ready to tow.
    view full answer...
  • What is Causing Stop and Turn Signals to Stop Working on a 2013 Nissan Pathfinder
    Sounds like that the relays may be the issue. Tow Ready has this relay available, # 38666-1. The blue relays activate the turn and brake signals on your Pathfinder.
    view full answer...
  • 2013 Nissan Pathfinder Already has Blue Relays in Relay Box Under the Hood
    Your 2013 Nissan Pathfinder might have the factory tow package. Wiring harness # 118670 is for models that don't have the factory tow package and would need those relays and jumper harness included with the harness. If your 4-Way is working then you can just keep the unused relays as spares!
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  • Recommended Parts Needed for Towing with a 2018 Infiniti QX60
    We have exactly what you are looking for! In addition to the Draw-Tite Max-Frame Trailer Hitch Receiver # 76031 that you referenced we have the Tekonsha T-One # 118670 that installs in your 2018 Infiniti QX60 without having to splice any wires. I am attaching an installation video on a 2017 Nissan Pathfinder for you to get an idea of how the installation will go. Since this video is on a different vehicle you will want to check out the linked installation details for your application. If...
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  • Recommended Hitch and Wiring to Tow Max Capacity of 2013 Nissan Pathfinder
    The heaviest rated hitch we have available for your 2013 Nissan Pathfinder is the Curt # C13126. This Class III 2 inch is rated for 600lbs tongue weight and 4,000lbs towing capacity; if used in combination with a weight distribution system it will have 5,000lbs towing capacity. You will be limited by your lowest rated item which may be the capacity of your vehicle. The Curt hitch is also going to be the hitch that looks most like the factory hitch. I have linked a picture of this hitch...
    view full answer...
    Image 1 for Image 2 for Image 3 for
  • Mounting Bracket for a 4-way Wiring Harness on a 2017 Nissan Pathfinder
    To mount a 4-way wiring harness like the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 118670 to the Curt Trailer Hitch Receiver # C13309 on your 2017 Nissan Pathfinder you can use the Mounting Bracket 4-Pole Flat # 18144 and the No-Drill Mount for Electrical Mounting Bracket # 18140. The No-Drill Mount for Electrical Mounting Bracket # 18140 will attach to the hitch and the Mounting Bracket 4-Pole Flat # 18144 will attach to the electrical mounting bracket.
    view full answer...
  • Trailer Hitch and Bike Rack Recommendations for a 2020 Infiniti QX60
    Thanks for reaching out! I recommend using the etrailer Trailer Hitch Receiver # e73AR for your 2020 Infiniti QX60 because it has a matte black finish that not only looks better but is more durable than the standard glossy black finish we see with the other trailer hitches. This also features a hidden crosstube so it has a really clean look once it's installed (see attached photo on 2018 QX60). If you don't already have a bike rack I recommend checking out the Kuat Piston Pro X # KU98VR....
    view full answer...
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Info for this part was:

Employee Lindsey S
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Employee Michael H
Expert Research:
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Employee Jameson C
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Employee Jeffrey L
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Employee Jeff D
Installed by:
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Employee Joshua S
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Employee Zach D
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