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. Call 800-298-8924 to order Tow Ready Custom Fit Vehicle Wiring part number 118487 or order online at etrailer.com. Free expert support on all Tow Ready 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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Custom Fit Vehicle Wiring > Trailer Hitch Wiring > Powered Converter > 4 Flat > Custom Fit > Tow Ready


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

Tow Ready Custom Fit Vehicle Wiring

(4 reviews)


Code:   118487

Retail:$69.84

Price:$56.95


Custom Fit Product

Shipping Special

Shipping Weight: 1.85 pounds

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Tow Ready Custom Fit Vehicle Wiring - 118487

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.

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
    • Locate connection points in trunk
    • Plug in T-connector
    • Run hot lead to car battery
  • Includes ModuLite power module that 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


Specs:

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


Installation

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 Power Module

A ModuLite power module is built into this T-One connector. 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.



118487 Tow Ready T-1 T-Connector - 4 Wire - Modu-Lite





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 install trailer wiring 2013 ford mustang 118487
Trailer Wiring Harness Installation - 2013 Ford Mustang

Video Transcript for Trailer Wiring Harness Installation - 2013 Ford Mustang

Today on our 2013 Ford Mustang we'll be installing the Tow Ready T-One vehicle wiring harness 4-pole flat trailer connector, part number 118487. Now to begin our install we'll first go ahead and open up the rear trunk. With this application we're working is a convertible. We're going to go ahead and remove the spare tire cover and we'll just set it aside. Next we're going to remove the rear threshold. To remove the threshold we'll also need to remove the fasteners that hold the threshold in place.

Once we remove the fasteners we can pull up on the bottom, releasing any underneath. Now to get the threshold completely out of our way we'll need to remove the electrical wiring. We can press on the locking tab, disconnect the wiring from the white socket. We'll then pull the threshold out and set it aside. Now with our threshold out of the way we can access the wiring as it comes out of the rear taillights. Here at the connection point where the taillight wiring meets the wiring harness we're going to go ahead and separate the two by pressing on the connector lock and separating the two connectors.

Now we can bring in our new Tow Ready harness. The harness is going to have multiple connections coming from our converter box. Yellow and brown wire connector will get plugged into the driver side connection poin, one side going into the manufacturer's harness and the other side going into the taillight wiring so we can plug inline with the manufacturer's wiring. We'll then have a green wire connector that's going to get routed over to the passenger side where we'll repeat the same process. Coming off our converter box is a white wire with a pre-attached ring terminal. This will be the ground wire for our converter box and 4-pole harness.

Here on the driver side there's also a manufacturer's ground. What we're going to do is remove the ground stud, install the ring terminal, and then resecure the stud. Now our 4-pole connector that comes from the converter box is going to get stored here in the spare tire area so we can go ahead and set that aside. Next I have a red wire that comes from our converter box. This is going to be the power wire that will power our 4-pole connector and converter box.

Supplied with the install kit is an extra-long length of black power wire that will ultimately get run up to the battery. Next we're going to move underneath the vehicle. We're going to locate the manufacturer's grommet that's above the rear axle. This will allow us to access the power wire and route it to the converter box. We'll then take a utility knife, cut a small slice in the grommet large enough to push our power wire inside the rear trunk. We'll leave the remaining portion of the power wire here underneath the vehicle. As we pull the wire out of the grommet we're going to route it along the manufacturer's wiring back to the converter box. once we have it just temporarily routed in place we'll go ahead and strip back the black power wire end and then use a yellow butt connector to attach it to. The butt connector's provided with our install kit. I'm going to go ahead and wrap it up with some black electrical tape to help keep it free from dirt, dust, debris, and moisture. Now to mount our converter box we're going to use the two-way adhesive supplied with our install kit, removing one side of the adhesive and attaching it to the converter box, and the other side we're going to attach it to the vehicle. Now when attaching it to the vehicle we're looking for a clean, flat surface, preferably sheet metal just like we have here. Now that we've got our converter box mounted we can go ahead and use the zip ties provided to clean up the wiring install and secure any excess wiring. I'm going to go ahead and cut off the excess from the zip ties to clean up the install look. We're now ready to go ahead and put the rear interior back together. Now we'll go ahead and get underneath the vehicle, take the remaining portion of our black power wire, and run it underneath the vehicle out to the engine compartment and then ultimately to the positive battery post. Keep in mind when routing your wires, stay away from any moving components such as steering or suspension, or excessive heat such as exhaust. Now to assist in routing our power wire up into position what we're going to do is use a pull wire, which can be a stiff piece of wire, or in this case we're going to use a piece of old air tubing. We'll route the air tubing up through the channel where we want to route the power wire, attach the power wire to the pull wire, and then pull it to the top of the engine compartment. Now that we have our pull wire pulled here just to the top of the engine compartment I'm going to go ahead and secure it as we route it across the top of the engine bay over to the battery. We can remove the battery cover. We can attach to the positive battery post. We removed the nut on the stud. We'll install our ring terminal to secure our power wire directly to the positive battery post. So we can secure our wire here to the firewall we're going to drill a small hole large enough for a zip tie so that we can zip tie off to the front cowling. Now before I secure the wiring I'm going to go ahead and cut off the excess from our power wire as we're also going to be installing an inline fuse holder. To install the inline fuse holder we'll first cut it in half and then attach a ring terminal to one side and a butt connector to the other. Now I can cut off the excess from my power wire, strip it back. We'll add it to the other side of our butt connector we just attached tot ring terminal. I'll go ahead and wrap up this butt connector with some black electrical tape just to help keep it free from dirt, dust, debris, and moisture. Now with the butt connector wrapped up we'll go ahead and remove t stud nut from the positive battery post. Then we can install the ring terminal and resecure the nut. Now with our ring terminal secured we'll go ahead and take the 10-amp fuse provided with the install kit and install it into the fuse holder. Then we can finish securing our wiring. Once we have that secured I'll go ahead and put the positive battery post cover back on, cut off the excess from the zip ties to clean up our install look, and then test our new 4-pole connector. Now to test our 4-pole connector we'll simply go ahead and pull it out from the stored compartment, take our test light and the ground clamp, putting it over the white wire terminal. Then we'll test the brown wire terminal next to it for our running light circuit, the yellow wire terminal for our driver side turn signal and brake. Then the passenger side signal will be the green wire terminal and brake. Now that we know all our signals work and function well we're ready to hit the road. Now to use our 4-pole connector we'll simply open up the spare tire cover, pull our 4-pole connector out, and run it out over the threshold. Be careful to stay away from the vehicle's latch, as pinching it off in the latch can harm the wire. However, the weather stripping is thick enough we can still close the trunk on it. Then we'll run our 4-pole connector down to our hitch or accessory. There you have it for our install, operation, and testing of our Tow Ready T-One vehicle wiring harness with 4-pole flat trailer connector, part number 118487, on our 2013 Ford Mustang. .


This Product Fits The Following Vehicles

2010 - 2015 Ford Mustang

2010 - 2010 Ford Mustang All Models

2011 - 2014 Ford Mustang All Models except GT

2012 - 2014 Ford Mustang GT models

2011 - 2011 Ford Mustang GT models - Convertible

2011 - 2011 Ford Mustang GT models - Coupe


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Customer Reviews

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - 118487

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.


- 118487

by: Donald L12/08/2013


I got the trailer hitch earlier than expected, all the parts were there , the photos to aid in the installation were very helpful and the price was very reasonable. Also the hitch when not in use is very low profile and not easily seen. Thanks E-Trailers! 109544






- 118487

by: Tim K06/02/2014


The Sportframe hitch was quick to bolt up with the excellent fish wires. It actually took longer to install the wiring harness! 133662






- 118487

by: Scott W08/02/2012


Everything arrived as stated, no problems, very happy. 50268






- 118487

by: Jim S.10/20/2014


Exactly what I needed, with fast delive ry! 156900




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Ask the Experts about this Tow Ready Custom Fit Vehicle Wiring
Do you have a question about this Custom Fit Vehicle Wiring?


  • What is the Difference Between the Hidden Hitch and Draw-Tite Trailer Hitch for a 2011 Mustang GT
  • The only difference between the Draw-Tite Sportframe Class I Trailer Hitch, # 24863, and the Hidden Hitch Class I Trailer Hitch, # 60280, is that the Hidden Hitch Trailer Hitch includes a ball mount. Draw-Tite and Hidden Hitch are sister companies that use the same design, specifications and materials for their products. The only advantage to purchasing one over the other is that you will get a ball mount with the Hidden Hitch trailer hitch. In this case you will save some money by...
    view full answer...

  • Hitch Recommendation for a 2011 Mustang GT Convertible Calif Special
  • For your 2011 Ford Mustang GT Convertible California Special I would recommend you get a Hidden Hitch, part # 60280. This hitch is designed to work on all models of Mustangs including your Convertible California Special. The problem is in the rear fascia and exhaust, the California Special model uses a different rear fascia and exhaust that is not compatible with the Curt Hitch, part # C11061. I attached installation instructions for you to check out also. You may need the following...
    view full answer...

  • Recommend Trailer Hitch for 2010 Ford Mustang V6 with Boss Rear Bumper
  • For your 2010 Mustang V6, you will need the Draw-Tite Trailer Hitch, part # 24840. The hitch will bolt up to the frame of your Mustang, but since you have a Boss rear bumper, additional trimming of the bumper fascia may be required. The Draw-Tite Hitch # 24840 is a Class I 1-1/4 inch hitch. You will want to make sure not to exceed the towing and tongue weight capacity of the hitch or vehicle as stated in the vehicle owners manual. If you will be using the hitch for hitch mounted accessories...
    view full answer...

  • No-Drill Trailer Hitch for a 2012 Ford Mustang 6 Cylinder Coupe
  • The Draw-Tite trailer hitch, # 24863, will fit your 2012 Ford Mustang, 6 cylinder coupe. There is no drilling involved and you should not have to cut or trim anything to install the hitch on your Mustang. I have included a link to the installation instructions for you. If you will be doing some towing, it would be better to go with Hidden Hitch trailer hitch # 60280 because it comes with the correct ball mount, hitch pin, and clip. For a 1-7/8 inch ball use # 19256 and for a 2 inch use...
    view full answer...

  • Will the Hidden Hitch Class I Trailer Hitch Fit on a 2012 Ford Mustang Boss 302
  • I spoke with my contact at Hidden Hitch and the Hidden Hitch Class I Trailer Hitch, # 60280, will fit on your 2012 Ford Mustang Boss 302. If you are looking to add a trailer hitch to your vehicle to carry a bike rack, then you may want to take a look at the Swagman XTC-2 Platform Bike Rack, # S64670. This is our most popular bike rack which allows you to easily mount two bikes and will leave plenty of room for you to access your trunk. This trailer hitch includes a draw bar and pin...
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  • Trailer Hitch and Trailer Wiring Recommendation for a 2011 Ford Mustang V6 Convertible
  • For your 2011 Ford Mustang Convertible, you can use Curt Trailer Hitch, # C11048. This trailer hitch comes with the required ball mount and you can use ball # 19256 (1-7/8 inch diameter) or # 19258 (2 inch diameter). If you plan on ever using the hitch for a non-trailer load like with a bike rack or cargo carrier, Curts warranty requirements state that for their class I and II hitches, you must use a stabilizing strap like # 18050. For trailer wiring, you will need to use the Tow Ready...
    view full answer...

  • Will Draw-Tite Class I 1-1/4 Inch Hitch # 24863 Fit A 2011 Ford Mustang Convertible
  • I spoke with my contact at Draw-Tite and they said that the Draw-Tite Class I 1-1/4 Inch Hitch, part # 24863, will fit a 2011 Ford Mustang convertible. This hitch has a gross towing weight capacity of 2,000 lbs. and a tongue weight capacity of 200 lbs. Some items you may need to complete your Class I towing setup are the Draw-Tite Ball Mount, part # 3594, the Tow Ready 2 Inch Hitch Ball, part # 19258, and the Tow Ready T-One Wiring Harness, part # 118487. I am including a link to the...
    view full answer...

  • Ford Mustang 2010 Convertible Tow Ready T-One Connector
  • The Tow Ready T-1 Connector # 118487 requires a connection to the battery in order to function properly. The T-1 receives the signals from its attachment behind the tail lights, but the voltage to power the trailer lighting is sourced directly from the battery. This is done to protect the circuitry in the vehicle wiring system. Drawing the power from a different 12-volt source can damage the electrical system in the event of a short circuit in the trailer wiring. I have ran the power...
    view full answer...

  • Hitch Recommendation for a 2011 Mustang GT with an April 2010 Build Date
  • To avoid all of those fit issues that the early 2011 Ford Mustangs had I would recommend you use a Draw-Tite Trailer Hitch for the Ford Mustang, 2011, part # 24863. There have not been any fit issues with this hitch like some of the Curt hitches have had. There have been instances where there have been slight fascia deformation when used with this hitch, but when I spoke with my contact at Draw-Tite he informed me that this is most likely seen on the California-Special Mustangs You...
    view full answer...

  • Availability of a Trailer Hitch and Wiring for a 2011 Ford Mustang GT
  • I spoke with my contact at Hidden Hitch and he stated that trailer hitch # 60280, will fit the 2011 Mustang GT. I have included a link to the installation details. If you plan on doing some towing the hitch comes with the proper ball mount. For a 1-7/8 inch ball use # 19256 and for a 2 inch use # 19258. For trailer wiring use # 118487.
    view full answer...

  • Problem With Using Hitch on 2011 Ford Mustang Due to Its Unibody Contruction
  • As long as the # 24863 Draw-Tite Class I hitch you referred to is properly installed and its 2000 lb towing capacity and 200 lb tongue weight capacity is not exceeded, the fact that your Mustang has a unibody won't cause any issues. I'm not aware of any jurisdiction or locality that would have a problem with you installing a hitch on that vehicle. The Draw-Tite hitch would be an excellent choice as an attachment point for a cargo carrier like the Pro Series # 6500 or for a two bike rack...
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  • Recommendation for Carrying Two Motorcycles with a 2010 Ford Mustang
  • In order to carry the 2 motorcycles with a 2010 Ford Mustang, the best option would be to use a trailer. The Yakima Rack and Roll Trailer, # Y08106, and the Magenta Sports Trailer, # RRT80, are roof racks on wheels and would not work for your application. First, if you do not already have a trailer hitch for the Mustang, I recommend the Curt Hitch, # C11048. It will fit all models, including the GT, but not a GT/CS, Shelby GT, or GT500. This hitch comes with the recommended ball mount...
    view full answer...

  • Availability of Trailer Hitches for 2014 Ford Mustang GT
  • We do indeed offer hitches for the 2014 Mustang GT. If you'll be doing some light duty towing, go with the Hidden Hitch Class I hitch, part # 60280. The hitch includes a pin and clip and the manufacturer recommended ball mount. If you'll be towing, you'll also need the following to complete your towing system: Trailer wiring harness w/ 4-pole trailer connector, part # 118487 2 inch hitch ball, part # 19258 1-7/8 inch hitch ball, part # 19256 Locking hitch pin, part # RH2-XL If...
    view full answer...

  • Will Draw-Tite Trailer Hitch 24863 Fit a 2012 Ford Mustang Boss 302
  • It sounds like you race your 2012 Mustang. Are you sure you want to add the additional 25 pounds? I know it isn't much weight but it could be the difference between a win and a loss! This question has come up before and Draw-Tite hitch # 24863 will fit the 2012 Ford Mustang Boss 302. However, you may want to consider using the Hidden Hitch brand trailer hitch # 60280. It will also fit. The only difference is that it comes with a ball mount, hitch pin, and clip. For a properly sized...
    view full answer...

  • Which Hitch Fits 2011 GT500 and is Nearly Invisible
  • I recommend going with Hidden Hitch trailer hitch part # 60280. When this hitch is installed on a 2011 Ford Mustang GT500, the rear fascia will conceal everything with the exception of the receiver. I am including a link to the installation instructions of this hitch and it will show a picture of where the hitch will be located on the car in relation to the rear fascia If you plan on doing some towing the hitch comes with the correct ball mount, pin, and clip. For a 1-7/8 inch ball you...
    view full answer...

  • 2012 Mustang Trailer Hitch Availability
  • We do offer several hitches that are confirmed as a fit for your 2012 Ford Mustang GT. I have provided a link for your reference that lists them. Of the options available I recommend the Draw-Tite Class I # 24863. Please keep in mind if you are using this for towing or hitch mounted accessories you need to use Class I compatible products. Please be aware that normally the GT models low slung rear fascia does require trimming, because a hitch needs clearance to be able to carry items...
    view full answer...

  • Trailer Hitch, Ball Mount, Ball, and Wiring for a 2013 Ford Mustang Towing a Small Trailer
  • For a compatible trailer hitch for your 2013 Ford Mustang I recommend Hidden Hitch trailer hitch # 60280. It comes with the proper ball mount, hitch pin, and clip. For a 1-7/8 inch ball use # 19256. If you ever need a 2 inch ball use # 19258. For trailer wiring you can use # 118487. Motorcycle trailers typically are designed with separate brake and turn signal lights. But since your trailer uses a 4-Way connector you will not need to add any type of converter for it to work with the...
    view full answer...


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



Info for this part was:


Photos by:
Theodore B

Expert Research:
Michael L

Expert Research:
Michael H

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