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

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

Item # 118464
Our Price: $54.30
You Save: 49%
Custom Fit Vehicle 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. Powered ModuLite reduces strain on wiring system. 1-833-496-1390 to order Tekonsha custom fit vehicle wiring part number 118464 or order online at 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 (4)
  • Q & A (0)
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  • Why etrailer?

Tekonsha Custom Fit Vehicle Wiring - 118464

  • 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. Powered ModuLite reduces strain on wiring system.


  • 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
    • Locate connection points in trunk
    • Plug in T-connector
    • Run hot lead to car battery
  • Includes ModuLite to ensure that your vehicle's wiring matches that of your trailer
    • Powered module connects directly to battery to avoid overloading vehicle's electrical system
  • Constructed of 16-gauge bonded wire
  • Comes with dust cap for 4-way flat connector


  • Maximum amperage:
    • Stop/turn lights: 2.1 amps per circuit
    • Tail lights: 5.6 amps per circuit
  • 1-Year limited warranty


This custom-fit T-One connector plugs into your vehicle's wiring harness, which is located inside your trunk, behind the tail lights on both the driver's side and passenger's side. You will need to remove some interior trim or carpeting to access the harness. Once you've plugged in the T-connector, run the hot lead up to your car battery. Connect the lead to the included fuse holder, and then connect the fuse holder to the positive terminal on your battery and insert the provided fuse.

Once installation is complete, the 4-way flat connector will be stowed within your trunk.

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.

ModuLite Powered Tail Light Converter

A ModuLite power module 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. This power module functions as a tail light converter to combine 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.

With a ModuLite, your trailer's lights will be powered without overloading your vehicle's electrical system. Because the module draws power directly from your car's battery and bypasses the electrical routes that are used by a basic wiring harness, there is virtually no draw on your tail light circuits.

118464 Tow Ready T-1 T-Connector - 4 Wire - Modu-Lite

Installation Details 118464 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 - 118464

Average Customer Rating:  5.0 out of 5 stars   (4 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. Powered ModuLite reduces strain on wiring system.

2009 Subaru Impreza

Keep up the good work!!

2010 Subaru Impreza

The wiring harness fit right in with the factory wiring. I liked how it uses a separate connection to the battery. This keeps the power load separate and does not screw up your factory lights. Very satisfied.

2011 Subaru Impreza

I have had the kit for a year. Installed in my Subaru Impreza. Works well. Installation was no problem. I ran the battery wire from my trunk under my rear seats and under the weatherproofing around my doors. I poked a small hole through an unused gasket in my firewall and routed it nicely with zip ties. I have never had any issues. My trailer is a carry on brand and it powers the lights with no problem.

2009 Subaru Impreza

Everything worked. Instructions are cle ar.


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

  • Will this Draw-Tite Trailer Hitch # 24807 Work with my Aftermarket Exhaust On my 2010 Subaru WRX
    The aftermarket exhaust tips should not interfere with you being able to install this Draw-Tite Sportframe Trailer Hitch Receiver - Custom Fit - Class I - 1-1/4 inch, part # 24807. What would cause problems would be if the aftermarket exhaust had mufflers that were larger in diameter than the stock mufflers. The # 24807 does require some minor drilling for installation, but with a decent drill and drill bit you should not have a problem installing this hitch. You may need the following...
    view full answer...
  • Trailer Hitch and Wiring Recommendation for 2011 Subaru Impreza
    For your 2011 Impreza WRX Sedan, I recommend Draw-Tite part # 24807 as long as you do not have the STi model. (There is currently no trailer hitch available for the STi). I have included a video review of this hitch on a Subaru Forester. The vehicle is different but the installation is similar. The custom fit wiring harnesses available for your 2011 Subaru Impreza are plug and play for the most part. You will want part # 118464 from Tow Ready. The harness will snap into the backs of your...
    view full answer...
  • Trailer Hitch and Wiring Recommendation for a 2010 Subaru Impreza Sedan
    We have just what you need for your 2010 Subaru Impreza sedan. For a hitch you would want the Draw Tite part # 24807 which has been confirmed as a fit and would work well. For trailer wiring you then would want the part # 118464 which is a confirmed fit as well. For a ball mount you would want the part # 3594 and then for a 2 inch hitch ball part # 19258 or # 19256 for a 1-7/8 inch hitch ball.
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  • What Trailer Hitch Will Fit a 2011 Subaru Impreza WRX with Dual Exhaust
    I checked with CURT and the Trailer Hitch # 11317, will fit a 2011 Subaru Impreza WRX with dual exhaust. I have included a link to the installation instructions for you to view. If you plan on doing some towing, the hitch comes with a ball mount, pin and clip. For a ball, use # 19256 (1-7/8 inch diameter) or # 19258 (2 inch diameter). For trailer wiring, use T-One Vehicle Wiring Harness, # 118464. I have included a link to the installation details for the wiring as well.
    view full answer...
  • What Hitch and Wiring will Fit my 2008 Subaru Impreza WRX 4 Door Sedan
    In order to determine if it will fit and what wiring is need I need to know what year your WRX is. Hitch 11315 from Curt is designed for 2008-2010 Impreza Wagons, so I doubt it is the right fit for a 4 door WRX.
    view full answer...
  • Recommended Trailer Hitch Receiver for 2009 Subaru Impreza WRX Sedan with Dual Exhaust
    For your 2009 Subaru Impreza WRX sedan with dual exhaust, I recommend the Draw-Tite Sportframe Trailer Hitch Receiver # 24807 over the Curt # C11317 because Curt requires use of a security strap for cargo carriers and bike racks that Draw-Tite does not. If you will be doing light towing with this hitch receiver, I recommend the ball mount # 3594 and hitch ball # 19256 or # 19258 for a 2 inch diameter ball. For wiring, I recommend the T-One # 118464 which is an easy installation behind...
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  • Will Curt Trailer Hitch Receiver # C11120 Fit the 2011 Subaru Impreza WRX Sedan
    Curt hitch # C11120 for the Subaru Impreza will fit the 2011 model year of the hatchback with quad tip exhaust, and the 2012-13 hatchback WRX STi with quad tip exhaust but will not fit on the 2011 WRX STi sedan version. The rear fascia of this particular vehicle version poses an installation challenge. The hitches currently offered for your can be seen on the linked page. These include the Draw-Tite # 24807. If you need a wiring harness you can use # 118464. For a ball mount use # 3594...
    view full answer...
  • Will the Class I Hitch # 24807 Fit on a 2011 Subaru Impreza
    Yes, I checked with the manufacturer, Draw-Tite and the # 24807 Class I hitch has been confirmed to fit your 2011 Subaru Impreza Sedan. Some items you may need to go along with your hitch purchase are listed below. Wiring # 118464 Drawbar # 3594 Hitch Ball # 19258 or # 19256 Hitch Lock # e98879
    view full answer...
  • Recommended Trailer Hitch, Wiring, And Ball Mount For 2009 Subaru Imprezza
    For your 2009 Subaru Impreza, I recommend the Draw-Tite Sportframe Trailer Hitch Receiver - Custom Fit - Class I - 1-1/4" # DT24959 for a hatchback or the Draw-Tite Sportframe Trailer Hitch Receiver - Custom Fit - Class I - 1-1/4" # 24807 for a sedan. Both hitches are rated for 2000 lbs towing and 200 lbs tongue weight max. For your ball mount, I recommend the Draw-Tite Drawbar for 1-1/4" Hitch # 3593. For a hitch ball I recommend # 19256 for a 1-7/8 inch ball or # 19258 for a 2 inch...
    view full answer...
  • Hitch Recommendation for 2011 Subaru Impreza 2.5i
    The Draw-Tite Max Frame Class II Hitch # 76209 is not confirmed to fit on the 2011 Subaru Impreza but we do have hitches that will fit your vehicle. Whether or not you have the Sedan or Wagon is going to be the first determining factor. I've created a quick list of hitches that are going to work with each trim package/car body below. If you have the 2011 Subaru Impreza Wagon: w/ Single Exhaust - # DT24959 Draw-Tite Sport Frame Class I Hitch w/ Quad Exhaust - # C11120 Curt Class I Trailer...
    view full answer...
  • Recommended Trailer Hitch for Towing Small Rental Trailer With 2008 Subaru Impreza
    I'm seeing conflicting information regarding towing with a 2008 Subaru Impreza. Online searches seem to agree that the 2008 Impreza can tow 1200kg, or about 2600 lbs if the trailer has brakes. The owner's manual bluntly states that the car isn't intended to be used as a towing vehicle and lists no capacity. I'd recommend checking with a Subaru dealer for clarification. My suspicion is that the the 1200kg towing capacity I found refers to vehicles outside the US. This wouldn't be the first...
    view full answer...

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