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  1. Custom Fit Vehicle Wiring
  2. Tekonsha
  3. 7 Blade
  4. Factory Tow Package
  5. Trailer Hitch Wiring
  6. Vehicle End Connector
THIS ITEM IS NOT A FIT FOR
2015 Freightliner Sprinter
Tekonsha

T-One Vehicle Wiring Harness for Factory Tow Package - 7-Way Trailer Connector

Part Number: 118275
In Stock
$67.62
Custom Fit Vehicle Wiring
Not Confirmed to Fit

2015 Freightliner Sprinter

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Quickly and easily install a 7-way, RV-style trailer connector on your vehicle with this custom wiring harness. T-One connector plugs into OEM tow package wiring harness - no cutting, splicing or tapping required. 1-800-940-8924 to order Tekonsha custom fit vehicle wiring part number 118275 or order online at etrailer.com. Free expert support on all Tekonsha products. Great prices and Fastest Shipping for T-One Vehicle Wiring Harness for Factory Tow Package - 7-Way Trailer Connector. Custom Fit Vehicle Wiring reviews from real customers.
  • All Info
  • Reviews (44)
  • Q & A (0)
  • Photos

Tekonsha Custom Fit Vehicle Wiring - 118275

  • 7 Blade
  • Factory Tow Package
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • Tekonsha
  • Plug and Lead
  • No Converter
  • Visible

Quickly and easily install a 7-way, RV-style trailer connector on your vehicle with this custom wiring harness. T-One connector plugs into OEM tow package wiring harness - no cutting, splicing or tapping required.


Features:

  • Provides a 7-way, blade-style trailer connector at the back of your vehicle to power your trailer's signal lights
    • Designed for use with a factory tow package
    • Compatible with 4-pole, 5-pole, and 6-pole adapters (sold separately)
  • Connects quickly and easily - no cutting or splicing of wires
    • Locate connection point behind rear bumper
    • Plug in T-connector
  • Constructed of 16-gauge bonded wire
  • 1-Year limited warranty


Installation

This custom-fit T-One connector plugs into your vehicle's factory tow package wiring harness, which is located behind the access cover at the center of your rear bumper.


Once installation is complete, the 7-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 7-pole connector itself - to help prevent corrosion.



118275 Tekonsha T-1 T-Connector - OE Replacement - 7-Way

Installation Details 118275 Installation instructions

This Product Fits The Following Vehicles



California residents: click here


Customer Satisfaction Score:

Ratings & Reviews

4.7

44 reviews
Quickly and easily install a 7-way, RV-style trailer connector on your vehicle with this custom wiring harness. T-One connector plugs into OEM tow package wiring harness - no cutting, splicing or tapping required.

by:

2016 Land Rover Sport HSE TD6. Worked perfectly, super easy install. Just remove the grey trim piece and the 2 required plugs are there waiting for you. Plug and play. The hardest part was mounting the bracket for the plug as everything is plastic. I used a simple 7 pin mounting bracket, part number PK12711U and bent it to fit my desired location. All is good, it is fairly secure where I mounted it and it's tucked up above the lowest level of the hitch (in case I ever bottom out the back end of the vehicle, the wiring plug won't get ripped off...hopefully). I couldn't be happier and thank you etrailer for providing an affordable option as compared to the Land Rover part!

Victoria H. profile picture

Victoria H.

1/21/2025

That's awesome Lea, way to get it done and thanks for including the photos too! What are you towing?

Lea profile picture

Lea

1/21/2025

Hi Victoria, I have a small utility trailer right now for snowmobiles and ATV's but will be getting a 25' travel trailer in the coming months for our summer travels! Not a lot out there about RRS and the trailer wiring so hopefully the pics will help someone!
Victoria H. profile picture

Victoria H.

1/22/2025

@Lea That's so fun! Do you have any adventures planned? If you need anything for your travel trailer to get ready for your next trip, let me know and I would be happy to help!


by:
2020 Land Rover Range Rover Sport

Great kit, would be nice if it included a mounting bracket. Was easy to install.



by:

I ordered 4 items for my 2017 Range Rover Sport SVR. The items came quickly. The box for the hitch came damaged but the hitch was fine and not scratched or bent.
1) Draw-Tite Max-Frame Trailer Hitch Receiver - Custom Fit - Class III - 2" - Item 75229
2) 7 pin wiring harness - Item: 118275
3) 6 and 7-Way Trailer Connector Mounting Box, 3" - Item 18157
4) Reese Trailer Connector Adapter w/ LED Circuit Tester and Dust Cover - 7-Pole to 4-Pole or 5-Pole - Item 78118

I’m relatively inexperienced at working on cars so it took me 3 hours to do the complete install. Was nervous about cutting the bottom plastic panel to accommodate the hitch portion. The instructions were pretty poor but the cutout sizes were shown. Otherwise just watch the video and You’ll be fine.

A few tips:
1) watch the video on their website: very helpful.
2) Much easier if you have an extra hand. The sucker is heavy.
3) On the RRS, put your air suspension at the highest setting so that you don’t have to jack up or ramp your rear wheels.
4) make sure you have a 4.5 inch angle grinder. It was my first time using it but it was easy. you won’t regret it.

Wiring harness clicked in to factory harness perfectly (you’ll find them once you take the panels off). Initially I thought they wouldn’t fit but then I realized the harness ships with the male and female part connected. Once I figured how to pull them apart it all made sense. All the parts were excellent quality and I’m very happy with the result.



by:

Direct fit and everything works as it should. Great product



by:
2017 Land Rover Range Rover Sport

Good value but bracket sent with connector is too small and mount holes do not ine up.

Jenny N. profile picture

Jenny N.

7/26/2022

I recommend using bracket part # A10-9394VP as it will give additional oblong holes for a more universal fit.



by:

Needed hitch to go on vacation quickly they delivered on Tuesday and I ordered it after 4pm Friday so happy with there quick service and all the parts were correct. Hitch was installed by us and had great instructions took about 90 min with the electrical. Thx etrailer for being so prompt..



by:

Perfect fit



by:
2019 Land Rover Range Rover Sport

Even though the US Mail service failed to scan in the shipment correctly, the customer service folks at eTrailer followed up with me quickly. My package arrived on time. Parts seem correct and in good shape.



by:
2019 Land Rover Range Rover

NEWS FLASH!!!
This fits 2016-2019 Range
Rover Sport too! Its unfortunate etrailer and manufacturer are unaware of this ever so important info. Hopefully this post will solve your problem. This is a plug and play unit. Now we have lock out of our surge breaks for boat trailer. Forgive the dirt in the photos. This is a 2019, had a 2016 and has same set up.

Mike L. profile picture
Etrailer Expert

Mike L.

3/25/2019

At one time, vehicle manufacturers were pretty good about lending vehicles to the hitch and aftermarket wiring companies. Now, especially with upscale brands like BMW, Mercedes-Benz, Range Rover and the like, the vehicle manufacturers arent lending out vehicles like they used to which makes it difficult for the aftermarket suppliers to determine product fits in a timely manner.



by:

The part was perfect match and installed easily on my 2020 range rover se.



by:

Very reliable, quick response and they follow up on delivery status.
I would recommend to anyone.



by:

Great product easy installation and great customer service. I appreciate that they included specific instructions for my vehicle.



by:
2014 Land Rover Range Rover Sport

It was at my door very fast, And was 100% as described. This is my second time buying from etrailer .com.



by:

It worked perfect. Took 1.5 hours to install
Need a device to hold the wiring harness. Tie wrapped for now.



by:
2014 Land Rover Range Rover Sport

It was delivered in a timely manner and works as promised. No complaints.

Chad H. profile picture

Chad H.

5/29/2019

no complaints



by:

Right product shipped faster than I selected and works well. Highly recommend them for your trailer needs. Excellent pricing too



by:

great fit. great quality and the instructions were perfect.



by:

Great customer service, good communicat ion.



by:

Monte profile picture

Monte

1/28/2025

Absolutely zero problems. The product worked as described right out of the box and has been flawless.

Jesse M. profile picture
Etrailer Expert

Jesse M.

1/28/2025

@Monte Glad to hear that, Monte. Thanks for sharing!


by:
2016 Land Rover Range Rover Sport

Connected perfectly to my 2016 RRS TD6 with plenty of cord to spare.



by:

Fit well and connected easily



by:
2015 Land Rover Range Rover Sport

Easy install, perfect fit.



by:
2020 Land Rover Range Rover Sport

Plugged right in and worked as advertis ed



by:

Order delivered in just a couple of days. Great service



by:
2016 Land Rover Range Rover Sport


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Show More Reviews

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

  • How to Mount 7-Way Connector on a 2015 Land Rover Range Rover Sport with 2" Trailer Hitch
    Thank you for the purchase of the Draw-Tite # 75229 trailer hitch and T-One # 118275 for your 2015 Land Rover Range Rover Sport! We have exactly what you need to mount the 7-Way connector without having to modify anything. If you use the Easy Mount Bracket # C58000 you can secure the 7-Way to the 2" receiver of your trailer hitch (see attached picture). I have attached a sample installation video of this being installed on a 2005 Tucson for you to reference.
    view full answer...
    Image 1 for
  • Trailer Hitch Receiver, Wiring Harness and Brake Controller for a 2016 Land Rover Range Rover Sport
    The T-One Vehicle Wiring Harness # 118275 connects to the factory tow package wiring connector. You will need to verify with Land Rover that your 2016 Range Rover Sport Autobiography has the wiring and connectors from the factory. You will then be able to connect a Redarc Tow-Pro Liberty Brake Controller # RED24FR with their Wiring Harness # RED87FR to your Range Rover. If you do not have the factory tow package you will need the Universal Wiring Harness w/ ModuLite and Brake Controller...
    view full answer...
  • Will Curt Trailer Hitch for 2019 Land Rover Range Rover Sport Void Warranty/Lease
    The Curt Trailer Hitch Receiver part # C13243 is a great option for a 2019 Land Rover Range Rover Sport and it won't void any warranty. That said, it does require trimming of a plastic under body panel. This may or may not need to be replaced when the lease is up, that would really be between you and the dealer whether they ask you to replace it or not. It won't be very noticeable at all as the panel is on the underside of the vehicle. In regards to the T-One Vehicle Wiring Harness part...
    view full answer...
  • Recommended Trailer Hitch Receiver and Wiring for 2016 Land Rover Range Rover or Range Rover Sport
    For a 2016 Land Rover Range Rover, there is not an aftermarket trailer hitch option from any of our manufacturers. If they have a 2016 Land Rover Range Rover Sport then I recommend the Draw-Tite Max-Frame Trailer Hitch Receiver - Custom Fit - Class III - 2" # 75229 and if they have the factory tow package the # 118275. If you don't have the factory tow package then splicing is required and I recommend using the Vehicle Wiring Harness Kit w/ 4-Pole Trailer Connector and Installation...
    view full answer...
  • 2022 Land Rover Range Rover Sport Trailer Hitch and Wiring Recommendations
    It definitely makes sense, and if you do plan on towing with your 2022 Land Rover Range Rover Sport I think it's a fantastic idea to install the wiring at the same time. For a hitch and wiring I recommend the following: - etrailer Trailer Hitch Receiver # e86AR - T-One Vehicle Wiring Harness # 118275 - 4-Way/7-Way Socket # HM40975 - No-Drill Mount Bracket # 18136 I really like the etrailer trailer hitch because it has a matte black finish. This does a great job at matching your vehicle...
    view full answer...
  • Does Trailer Wiring Harness 118275 Fit 2016 Land Rover Ranger Rover Sport Supercharged
    I checked with the manufacturer and can confirm for you that yes, the T-One Vehicle Wiring Harness for Factory Tow Package - 7-Way Trailer Connector # 118275 is a fit for your 2016 Land Rover Range Rover Sport with a supercharged engine. This connector is a fit for all models of '16 Range Rover Sport. I have added a link to the instructions as well as a video review for you to check out of the T-One Vehicle Wiring Harness # 118275.
    view full answer...
  • Trailer Hitch for 2021 Land Rover Range Rover Sport
    For your 2021 Land Rover Range Rover Sport the Curt hitch part # C13243 is a confirmed fit and would work great. It has great towing capacities and is mostly hidden too since only the hitch opening hangs below the rear bumper. If you need trailer wiring too the 7-way kit part # 118275 is a confirmed fit and installs easily.
    view full answer...
  • Mounting Bracket For 7-Pole Connector
    Here is the mounting bracket # 18138 you need for your 7-Way Trailer Connector # 118275. This can be zip tied to your hitch or you can use self tapping metal screws to get it secured.
    view full answer...
  • What Is The Process To Get My 2020 Land Rover Range Rover Sport Without A Tow Package Ready To Tow
    We have trailer hitch and wiring options for your 2020 Land Rover Range Rover Sport. You will start with the hitch receiver. My hitch receiver recommendation is the Draw-Tite Max-Frame Trailer Hitch Receiver - Custom Fit - Class III - 2", part # 75229. This hitch receiver has a maximum tongue weight of 800 lbs and a maximum gross towing weight of 8,000 lbs. Please keep in mind that you should check your vehicle's owner's manual to see what the maximum gross towing weight and maximum tongue...
    view full answer...
  • Wiring for 2019 Range Rover HSE and Class III/IV Hitch for 2019 Ford F-150
    We don't have a hitch for the HSE Land Rover but we do have the 7-way trailer wiring kit # 118275. Then for a Class III hitch for your 2019 Ford F-150 we have the Class IV part # C86HR. The prices are available down below at the product links.
    view full answer...

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


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Cole B
Installed by:
Cole B
Employee Wilson B
Updated by:
Wilson B
Employee Isabelle B
Updated by:
Isabelle B
Employee Alexander C
Written by:
Alexander C

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