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

Item # 118409
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Custom Fit Vehicle Wiring

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T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector 4 Flat 118409
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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. Call 800-298-8924 to order Tekonsha custom fit vehicle wiring part number 118409 or order online at etrailer.com. Free expert support on all Tekonsha products. Guaranteed Lowest Price 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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Tekonsha Custom Fit Vehicle Wiring - 118409

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

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.


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 beneath the rear bumper
    • Plug in T-connector
  • Constructed of 16-gauge bonded wire
  • Comes with dust cap for 4-way flat connector


Specs:

  • Maximum amperage: 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 at the rear of your vehicle, on both the driver's and passenger's sides. You will find the harness behind protective covers near the rear bumper.


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.



118409 Tow Ready T-1 T-Connector - 4 Wire



118409 Installation InstructionsInstallation Details 118409 Installation instructions

This Product Fits The Following Vehicles

1998 - 2003 Jeep TJ

1998 - 2003 Jeep TJ

1998 - 2003 Jeep Wrangler

1998 - 2003 Jeep Wrangler

2004 - 2006 Jeep TJ excluding Unlimited

2004 - 2006 Jeep Wrangler excluding Unlimited

2004 - 2006 Jeep TJ Unlimited

2004 - 2006 Jeep Wrangler Unlimited

2004 - 2006 Jeep TJ without factory 7-Way

2004 - 2006 Jeep Wrangler without factory 7-Way



California residents: click here


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

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Trailer Wiring Harness Installation - 2000 Jeep Wrangler

Today in this 2000 Jeep Wrangler we are going to install a Tow Ready T1 Connector, product number 118409. We'll also be using Tow Ready 4-Flat Connector Mounting Bracket, product number 118144. First, we need to access the vehicle's manufacturer wiring. To do that we're going to remove a push pin underneath the tail light wiring that will give us access to the manufacturer's wiring. We'll go ahead and repeat the same process in the passenger side. As you can see, we now have access to the manufacturer's wire and we'll follow the lead that goes to the back of the tail light.

And that will be our confirmation this is the connector that we need to access. We'll go ahead and peel back the foam that surrounds the connector, press on the locking tab, and pull the two connectors apart. With our manufacturer's connection separated, we'll go ahead and take our new Tow Ready T1 Connector and plug it in line with the manufacturer's. We've got to make sure you push them together firmly. And we give them a little tug just to make sure they lock together.

With our connection made we're going to go ahead and take our white wire with the ring terminal and our self-tapping screw and mount it straight to the sheet metal underneath the tail light and this is our ground wire. With our wires mounted on the passenger's side we can now route the yellow and brown wire over to the driver's side and make our connections there, just as we did on the passenger's side. Now what we're going to do is take a piece of tubing, you can use a piece of wire or anything that we could use to fish our wire. I'm just going to use some black electrical tape and attach the brown and yellow wire connector to my pole tubing so I can pull it across to the driver's side. While we zip tie off our wire for a new 4-pole lead I'm going to install our 4-Flat Connector Mounting Bracket using the supplied hardware.

With our bracket installed in the hitch we continue routing our wire. With our connections made here on the passenger's side, we can now take our 4-pole connector and route it to the center of the hitch, and our yellow and brown wire and route it over to the driver's side. When routing your wire you want to be mindful of a couple of things. One, you want to stay away from moving parts such as suspension or excessive heat such as exhaust. I'm just going my wire using several zip ties Zip tie it off to the back of the hitch as we take it over to the driver side.

I'll go ahead and take our new 4-pole and put it through the bracket. With my 4-pole secured in the bracket, we can go ahead and make our connection on the driver's side with our yellow and brown wire. Now I'll take our Tow Ready T1 Connector and plug it in line with the manufacturer's just as we did on the passenger's side. Now we can go ahead and finish securing our wire and reinstalling the inner fender walls. Now I'll just go ahead and clip off the ends of my zip ties, clean up the look of it. And that completes the install of our Tow Ready T1 Connector, product number 118409 and Tow Ready 4-Flat Connector Mounting Bracket, product number 118144.


Customer Reviews

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - 118409

Average Customer Rating:  4.9 out of 5 stars   (292 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.

- 118409
by:

Fantastic product. Install could not be simpler, the hardest part was disconnecting the harnesses for each tail light as they had been connected for 14 years, but once that was done, the new wiring plugged right in and worked without any additional work. 683870



- 118409
by:

Proper fittings. Plug n play. Please that no addition wiring was needed. 671499



- 118409
by:
2004 Jeep Wrangler

The product arrived as shown. Everything was packaged right, also great customer relations from begining to end. Very satisfied. Great old American service. US Army Retired Sgt. A. Soria 439270



- 118409
by:
2001 Jeep Wrangler

Great product, much better than those that cut into and attach to individual wires. Took about 30 minutes from beginning to end. 2001 Jeep Wrangler on the driver side the connections were made by removing the brake light assembly and on the drivers side the connections were made from below and behind the right tire. It was easy to drill the bumper with a hole saw making a nice out of the way connection to a one piece flat and round connector, see picture. 271274



- 118409
by:
2004 Jeep Wrangler

Installed on 2004 Jeep wrangler. Very easy to install. Ran the wires through bumper and added some electrical loom to help protect wires from the elements. Installation was fast and easy! Recommended! 241866



- 118409
by:
2002 Jeep Wrangler

I have had this product installed just over a year and still works perfectly. It was Installed on my 2002 wrangler. I mainly pull a small off-road trailer for camping. It’s held up perfectly. 738527



- 118409
by:

Perfect fit. 737605



- 118409
by:

Worked perfectly! 735724



- 118409
by:

Great harness. Makes wiring up your Jeep for a trailer "Ned in the First Reader" simple. 733002



- 118409
by:

the product was as advertised. I have always been pleased with with my orders and the follow up from the sales staff! UPS is another story , not happy with their service!! 732923



- 118409
by:
1998 Jeep Wrangler

Great deal for the $ hooked right up instructions included...arrived quickly..highly recommend 728387



- 118409
by:

product was great and shipping was super fast!!!! thank you!!! great company!!! 719547



- 118409
by:

Easy install, no issues, works good, good product. 716024



- 118409
by:

Working great so far;no complaints 707517



- 118409
by:

What a great site/service. Not only does etrailer.com have a good selection, but the support and reference/tutorial information is very helpful. 707037



- 118409
by:

Perfect fit, easy install. Have used it a lot with no issues. 706798



- 118409
by:
1999 Jeep Wrangler

Perfect fit. Plugs right into stock tail light harness. I now have trailer lights on my tj Jeep Wrangler. 686822



- 118409
by:

Prompt Delivery and product was easy to install. 679594



- 118409
by:

This wiring harness was so simple to install, It literally took me 15 minutes to install it, and it works great 667576



- 118409
by:

Extremely easy straightforward install plug and play 667007



- 118409
by:
2002 Jeep Wrangler

Very good product,easy installation,good instructions,good price.couldn't ask for anything better Thank you etrailer. 659954



- 118409
by:

Great product, perfect fit, easy installation great instructions. Fast friendly service as always from etrailer.com!!! 657010



- 118409
by:

Works great. Very easy to install 637707



- 118409
by:
2006 Jeep Wrangler

This harness fit perfectly on my 2006 Jeep Wrangler. Very easy to install and plent of extra wire to run it correctly. Has worked flawlessly. 628555



- 118409
by:

Wiring harness works well. Sometimes chasing down the connectors on the vehicle can be a challenge. Also, harness comes with a connector cover so don’t add that on to the list. 628016


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Show More Reviews

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Info for this part was:

Test Fit:
Joe V
Expert Research:
Mike L
Expert Research:
Robert G
Expert Research:
Patrick B
Expert Research:
Michael H
Expert Research:
Jameson C
Expert Research:
Adam R
Video Edited:
Zack K
Video Edited:
Joshua S
Video Edited:
Jacob T
Installed by:
Jeff D
Updated by:
Laura H
Updated by:
Sarah W
Updated by:
Alexander C
Updated by:
Isabelle B

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