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  1. Custom Fit Vehicle Wiring
  2. Tekonsha
  3. Custom Fit
  4. Trailer Hitch Wiring
  5. 4 Flat
  6. Converter
T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

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

Item # 118354
Retail:$62.18
Our Price: $37.14
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Custom Fit Vehicle Wiring

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Tekonsha Custom Fit Custom Fit Vehicle Wiring - 118354
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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 - no cutting, splicing or tapping required. Includes tail light converter. 1-800-940-8924 to order Tekonsha custom fit vehicle wiring part number 118354 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 (345)
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Tekonsha Custom Fit Vehicle Wiring - 118354

  • Custom Fit
  • Trailer Hitch Wiring
  • 4 Flat
  • 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 - no cutting, splicing or tapping required. Includes tail light converter.


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 of 16-gauge bonded wire
  • Comes with dust cap for 4-way flat connector


Specs:

  • Maximum amperage:
    • Stop/turn lights: 2.1 amps per circuit
    • Tail lights: 4 amps per circuit
  • 1-Year limited warranty


Installation

This custom-fit T-One connector plugs into your vehicle's wiring harness, which is located behind the driver's-side interior trim panel in your rear cargo area. You will need to remove the spare tire and quarter panel to access the harness.


Once installation is complete, the 4-way flat 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

A tail light converter is built into this T-One 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 your trailer. The tail light 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.



118354 Tow Ready T-1 T-Connector - 4 Wire

Installation Details 118354 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 - 118354

Average Customer Rating:  4.9 out of 5 stars   (345 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 - no cutting, splicing or tapping required. Includes tail light converter.

by:

Installation video made it very easy to install. This harness is plug and play.
No worries of splicing wires it tight areas. Quality product pleased with my purchase.



by:
Jeep Cherokee

We'd tried wiring my Cherokee to use the flat-bed trailer of my dad's I just rebuilt (replaced plywood, rustoleum over wire-brushed rust, rewired, new lights, etc). The 1st attempt was through the wiring in each taillight.

The trailer lights just didn't work and I didn't want to redo all of the wiring to find it was the Cherokee wiring that was the problem.

I searched online, watched your eTrailer.com video for the exact year/type of Jeep I have. Found it simple, clear, and reasuring that even I could do it right.

The part arrived, I watched the video again (stopping after each step to do the work) and, hey, it was the trailer wiring but narrowed down so I had less to debug. Fixed the bad connection and all the lights worked right! Looked like Christmas to me.

I've now purchased and I've now brought home 2 beautiful leather chairs I found on Craigslist (one for $80, other for $100). Great buys.

Thanks, guys, for making the product and having backup instructions to help this gal get the job done.

It made it so I could do the whole trailer and wiring by myself.

Janice



by:
1999 Jeep Cherokee

I have bought not one but two different trailer hitches from etrailer. I would buy another ten if I had the need. They are excellent quality. I’ve never had a problem with the hitch’s as well as the wiring.
I’ve pulled my 18’ boat as well as my trailer from Ga to Maine and back twice (each) with no problems as well as from Nj to Ct,Pa and Nj this past winter with no problems



by:
Jeep Cherokee

Easy to install. Works perfect with my Jeep Cherokee and utility trailer.



by:

Thanks etrailer. The fact that I didn't have to splice into the existing wires is priceless. Super fast shipping had it within 3 days , we live in Kenai Alaska there are so many trailers up here for a variety of recreation from hunting and fishing and boating for some reason unable to find a harness for my Jeep?. we rely on subsistence salmon fishing and hunting to fetus through the winter . The instructional video was awesome very straightforward. Thanks again etrailer you were a lifesaver a store like this up here would be big business I wish you many years of success thanks again



by:

Basic and easy to install. I didn't do super clean / permanent install, but that will come. I have included a couple pictures after the installation.

Thanks,

Joel E.

3/31/2021

Product is still working well!



by:

Easy to install, works great, no issues. Thanks!

Nabil

11/15/2023

A year later and its still working as needed. Great product

Etrailer Expert

Mike L.

11/18/2023

@Nabil We're glad to hear that, thank you!


by:

Need a better shipper



by:

Nice easy harness to install. Great instruction videos, I would highly recommend etrailer.com



by:
1999 Jeep Cherokee

this trailer wiring was a 2 second install and the easiest part ive done to my lifted xj



by:
Jeep Cherokee

This was my first time using etrailer and I'm pretty gratful they had all the parts in stock and shipped within a timely manner. the harness was plug and play! It completely works for a 97-01 jeep cherokee xj with no modications.



by:
Jeep Cherokee

Got this for my '98 Jeep Cherokee and it was of excellent quality and fit perfectly. Having wired several vehicles before with the cut and splice type of harness, it was great to have the factory compatible connectors to just "plug and play" (to use a tired but accurate phrase).



by:
2010 Jeep Cherokee

etrailer solved my electrical needs very well. My 2001 Jeep Cherokee had no existing connector for trailer lights, and I needed to tow. I hate tapping into wires outside of a vehicle because of corrosion issues, and this kit kept all my wiring connections neatly under my trim on the inside of my vehicle. That said, Here is my review of this kit.

First off, shipping was very fast, and the packaging was good. Very securely packed and no damage what-so-ever. And the pricing beat competitors that I had checked with before placing my order.

Secondly, the product. This was a PERFECT fit and finish. I think it took about 10 minutes to put in, and it is incredibly easy.

It even came with self tapping screws and adhesive backing for the electronic module, and a zip tie for clean organized wires.

The quick connect option clipped into my factory wiring harness, which meant no soldering, and the ground wire went straight to my factory ground! Couldn't be easier!

I would absolutely order this again!

Alex K.

9/16/2018

1 year later and still works perfectly! Great product!



by:

Good prduct worked as it suppose to.



by:
1998 Jeep Cherokee

The installation went smoothly. My Jeep has an OEM trailer harness. It has a short in it somewhere when I use it. The harness also has wiring for other components. Since the tail lights on the Jeep were working, I installed the harness at the end that went to the Jeep tail lights. It is working just fine. The wiring is a little tight due to leaving the original harness installed. The adhesive on the back of the box worked just fine. I installed it on the fender cavity reinforcement between the screws that fastened the spare tire support to the inner panel. I tie wrapped the harnesses together in 2 places to keep the wires in place. I trimmed a corner on the interior trim to allow the harness to exit the fender cavity under the spare tire. I installed a piece of loom over the wires where they exited the fender cavity.

Arthur F.

2/1/2019

It works just fine



by:
2001 Jeep Cherokee

I gave a 4-star rating simply because I just installed tonight and have no long-term experience with the product. But if it is anything like other harnesses I've purchased through etrailer, I don't anticipate any issues down the road. Super easy to install! Watch the video on the web site for your application and you'll be good to go. Removing the spare tire,,spare mounting brackets and panel took about 30 minutes. The actual installation of the harness... about 2 minutes - really! Easy as pie!

Woodcrvr

3/12/2018

So far so good...



by:
2000 Jeep Cherokee

A great product at a very reasonable price. I installed the custom fit wiring harness on a friends Jeep Cheroke in about 15-20 minutes. Very easy to install due to excellent instructions and well thought out design and application. I will definitely buy my wiring harness and trailer hitch from trailer for my next vehicle. A great company to do business with!

Dean

8/25/2018

Excellent



by:
2000 Jeep Cherokee

Ordered a hitch and wiring harness on Saturday and received it on Wednesday. Everything I ordered arrived in one package and was well packed. with the videos online and the instructions, both products installed with ease, well, except that one bolt that we cross threaded, but we got a tap and fixed it with not much problem. etrailer.com is a first rate site with first rate products and first rate customer service.

Matt

3/15/2018

Thank you for asking. Yes I am still quite pleased with both products and the service I received from etrailer.com.



by:

I attached the wiring harness in about 1/2 an hour from start to finish. The directions were very clear. I used the video from youtube to help me step by step. Once I was finished, I hooked up the trailer and tested the lights. Everything worked fine. I will use this company again if and when the need arises. I will also gladly tell others about my positive experience and my satisfaction with the product. Thank you.

Jimmy B.

3/15/2014

I have owned my jeep wiring harness for over a year. I have used it almost daily during the spring, summer, and fall months without any problems. I am anticipating many more years of service with this harness.



by:
2001 Jeep Cherokee

This harness seems pretty sturdy. Easy to install and connected fine. It was very easy to find this part when I entered my vehicle information. The video's on how to install were spot on.



by:

Works as it should and I’ve had it for a year



by:
2001 Jeep Cherokee

Plug and play. No issues on my 2001 Che rokee.



by:
1999 Jeep Cherokee

Worked like a champ. Installation was a breeze. No problems of any kind. Just requires removal of the spare tire to access the OEM wiring plug located in the left rear fender well. Installs like an OEM part. Major time saver compared to making your own harness.

Kerry O.

1/31/2018

Has been great and have used many times this past year. Was a wise purchase that I would buy again and recommend without reservation.



by:
1998 Jeep Cherokee

Used this to replace a flakey wiring harness in my Jeep Cherokee. The new harness is awesome. Installation instructions were clear and easy to understand. Installation was smooth and easy and best of all, good solid function continues since installation about a year ago with no issues whatsoever.

Ray

10/17/2017

This product was perfect in every way. I have since sold the vehicle, but if I have a future need for something similar I will certainly contact you.



by:

Product fit perfectly. Arrived before the promised date. Extremely easy to install. Amazing product and service! ! !


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Show More Reviews

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

  • Recommended Trailer Wiring Harness for a 1992 Jeep Cherokee
    For the 1992 Jeep Cherokee you can use trailer wiring harness # 119178KIT. I have included a link to the installation instructions for you to view. The harness that you have referenced, # 118354, is designed to fit the 1997 to 2001 Jeep Cherokee but will not fit a 1992.
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  • Hitch Installation Hardware and Trailer Wiring Harness for 1997 Jeep Cherokee Country
    Yes! We can help you order replacement hitch installation hardware for the hitch you already have for your 1997 Jeep Cherokee Country. We can also get you set with a wiring harness. For replacement hitch hardware use part # RHK. Just enter that part in our search field and press enter. Then click on the RHK. On the next page you'll enter your hitch part number and the manufacturer name. This should be noted on the safety/warning sticker on your hitch. This will tell us the exact hardware...
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  • Trailer Wiring Recommendation for a 1998 Jeep Grand Cherokee
    The Tow Ready wiring harness part # 118354 that you referenced has been confirmed to fit all models of the 1998 Jeep Grand Cherokee so it would work well for your 1998 model. I attached a couple other install videos for you to check out for this harness as well.
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  • Trailer Lights Not Working on 2001 Jeep Cherokee With Tow Ready T-One Wiring Harness # 118354
    On the Tow Ready T-One Wiring Harness, part # 118354, if you find some, but not all, lighting functions work properly you may have a ground problem. In this situation a weak ground is just strong enough to provide some lighting functions but not all. When the taillights and brake lights are used at the same time, it creates the maximum amp load of the lights on the trailer. If a ground problem exists, it will show at this point. The places to check grounds are the connector on the vehicle....
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  • What is Towing Capacity of 1999 Jeep Cherokee Sport
    I looked up the towing capacity of your 1999 Jeep Cherokee Sport and found that it can tow up to a 5,000 lb trailer so it would easily handle a boat that weighs 947 lbs. The Draw Tite hitch part # 75054 that you referenced is a confirmed fit for your Cherokee as well and would wok great as it also have more capacity than you'd need. You'll need trailer wiring to so that you can control the lights of the trailer. For that you'd want the part # 118354 which installs easily and is very reliable. Since...
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  • Replacement Trailer Wiring Harness Recommendation for 1999 Jeep Cherokee to Replace Shorted One
    You have effectively troubleshooted the converter box of your trailer wiring harness on your 1999 Jeep Cherokee. It has an internal short and needs to be replaced. Since the Tow Ready brand tends to be a bit more reliable than Curt I would recommend you replace it with the part # 118354.
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  • Recommended Trailer Wiring Harness for 1994 Jeep Cherokee
    I do have an option for you, however the Tekonsha T-One Vehicle Wiring Harness # 118354 referenced in your question will not fit your 1994 Jeep Cherokee. This particular custom harness is designed for the 1997-2001 Jeep Cherokee, so your 1994 model will not have the needed factory ports for this to plug into. For your 1994 Jeep Cherokee I recommend the Tekonsha Upgraded Circuit Protected Tail Light Kit # 119178KIT instead. This is a universal, hardwire kit that will provide you with a...
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  • Availability of Plug and Play 4-Way Wiring Harness for 1991 Jeep Cherokee Laredo
    The only option available for your 1991 Jeep Cherokee Laredo is a universal kit. The # 118354 wiring harness you looked at only works with the next Cherokee model starting in 1997. I recommend the Upgraded Circuit Protected Tail Light Converter Hardwire Kit # 119178KIT. We have found Tekonsha to be the most reliable when it comes to wiring. This kit includes a circuit tester and 5 quick splices to help out with the installation.
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  • Hitch and Wiring Harness for 2001 Jeep Cherokee
    We can get your 2001 Jeep Cherokee fully set up for towing your sailboat today and your future needs as well. You mentioned you were thinking about a Class-II hitch since you are only towing a 350 pound sailboat. I recommend that you purchase a Curt # 13084 Class-III hitch which has a 2” receiver and more towing capacity than your Jeep is rated for. In the future you may wish to tow heavier trailers or loads that will require the Class-III hitch. You might also consider accessories...
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  • Can T-One Wiring Harness Be Installed On 2000 Jeep Cherokee With Factory Harness Already Installed
    You can install the Tow-Ready T-One Vehicle Wiring Harness, part # 118354 on your 2000 Jeep Cherokee and leave the factory wiring harness connected. The instructions that are included with the T-One harness state that you will locate the connections behind the taillights on the driver's side by removing the spare tire and rear quarter panel trim. When installing you will want to test the installation with a circuit tester like part # PTW2993. I have attached a link to an installation...
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  • Brake Controller Recommendation for 2001 Jeep Cherokee for Camper with 7-Way
    You will need to start with a 4-way (if you do not have one). For that you would want the # 118354. I attached an install video for this for you to check out as well. 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 recommend the Prodigy...
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  • Installation Instructions for Curt Trailer Hitch 13084 on a 1997 Jeep Cherokee Country Edition
    If you are talking about the skid shield, it will need to be removed or loosened for hitch installation. On the 1997 Jeep Cherokee, there are 4 possible vehicle types in terms of trailer hitch installation. The instructions for the Curt trailer hitch, # 13084, covers each type. I have included a link to the installation instructions for you to review. I have also included a link to a video showing a typical installation. If you plan on doing some towing, I recommend the etrailer ball mount...
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  • Correct 4-Way Wiring Harness for 1997 Jeep Grand Cherokee
    The reason the # 118354 did not fit is because it is designed for the 1997-2001 Jeep Cherokee. The correct wiring harness for your 1997 Jeep Grand Cherokee will depend on whether or not you have the factory tow package. If you have the factory tow package, I recommend the Curt # C55260. If you do not have the factory tow package, then you want the # 118349 instead. These are the most reliable options for your Grand Cherokee with/without the tow package. I have attached some review videos...
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  • What Hitch Will Fit On 2001 Jeep Cherokee Classic
    The Draw-Tite 36276 (no longer available) hitch you asked about is for the 2001 Jeep Grand Cherokee. It will not fit your 2001 Jeep Cherokee Classic. Instead, you will want to use the etrailer Trailer Hitch Receiver # e97AR which has a 2" hitch receiver and matte black finish. For a complete towing kit, you can add the T-One Vehicle Wiring Harness # 118354 and the etrailer Ball Mount Kit # 989900.
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  • What is the Correct Wiring Harness To Provide a 4-Pole Trailer Connection on a 2001 Jeep Cherokee
    To wire your 2001 Jeep Cherokee for trailer lights, all you will need is the Tow Ready Custom Fit Vehicle Wiring, # 118354. This harness has what is called a T-one connector. This harness plugs in line with your vehicles taillights and provides a 4-flat trailer connector at the rear of the vehicle. You will not have to do any splicing of wires at all. The connection point for the harness can be found behind the trim panel that is behind the spare tire on the drivers side of the vehicle....
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  • Recommended Parts to Tow a Small Trailer with a 2000 Jeep Cherokee
    I'd be happy to make some recommendations for you! To tow a small trailer with your 2000 Jeep Cherokee you need a hitch, wiring, and a ball mount. Here are my recommendations: etrailer Trailer Hitch Receiver - # e97AR T-One Vehicle Wiring Harness - # 118354 B&W Tow & Stow 3-Ball Mount - # BWTS10048B I really like the etrailer hitch because it has a matte black powder coat that is more durable than the standard glossy powder coat, and it looks the part as well. The T-One wiring is the...
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  • Recommended Trailer Hitch for 1997 Jeep Cherokee
    The Draw-Tite Class I receiver you mentioned, part # 24827 is a vehicle-specific item that will fit a 2005-2010 Scion tC only. To see the various hitches available for a 1997 Jeep Cherokee, click the provided link. I would recommend the Curt Class III receiver, part # 13160. A Class III receiver will allow you to maximize the towing capacity of your Cherokee. The more common 2 inch receiver size will also allow you a better selection of hitch accessories like bike racks or cargo carriers,...
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  • Distance Between Mounting Holes of Draw-Tite Hitch 75054 For 1999 Jeep Cherokee
    The distance between the mounting holes is indeed 36 inches for the Draw-Tite hitch that fits your 1999 Jeep Cherokee: - Draw-Tite Max-Frame Trailer Hitch Receiver # 75054 I did verify for you with the manufacturer as well that the # 75054 will fit your '99 Cherokee. I also wanted to mention, if you are going to be using the hitch for towing and need a 4-way wiring harness for your Jeep, the correct part is the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 118354.
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  • Curt Trailer Hitch 13084, Trailer Wiring, and Towing Accessories for a 2000 Jeep Cherokee
    I spoke with my contact at Curt and I have that measurement for you. From the face of the receiver to the center of the hitch pin hole it is 2-1/2 inches which is a common distance for hitches. I have included a link to a video showing a typical installation of Curt trailer hitch # 13084 on a 2000 Jeep Cherokee. If you are planning on doing some towing I recommend etrailer ball mount kit # 989900. It comes with 2 ball mounts, 2 balls, a hitch pin with clip, and a storage bag. For trailer...
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  • Trailer Hitch for 2001 Jeep Cherokee With Skid Shield
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  • Recommended Easy to Install Trailer Hitch and Wiring Harness for 2001 Jeep Cherokee
    The Curt Class III Round Tube Receiver Hitch # 13160 is compatible with your 2001 Jeep Cherokee and requires no drilling or welding for installation. It is rated for 5000 lbs., however you will still be limited to the towing capacity of your Cherokee which, from my research, is only 2000 lbs. You will want to verify with your owners manual just how much weight you Jeep can tow. The Tekonsha Wiring Harness # 118354 is custom-fit for you Cherokee, and plugs in behind an interior trim panel...
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  • Trailer Hitch Recommendation for 2001 Jeep Cherokee
    Although we offer several different hitches for a 2001 Jeep Cherokee, I'd recommend the Curt Class III, part # 13160. The hitch uses a round tube crossbar, which most folks better looking than the square tube the other hitches use. The hitch has a full 5000 lb towing/500 lb tongue weight (maximum amount of downward pressure that can be applied safely to the hitch) capacity. The hitch is also US made. If you'll be towing an RV with electric brake, he'll also need a # 118354 trailer wiring...
    view full answer...


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