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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 # 118474

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Custom Fit Vehicle Wiring

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Custom Fit Vehicle Wiring 118474 - 4 Flat - Tekonsha
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  • Custom Fit
  • Trailer Hitch Wiring
  • Tekonsha
  • 4 Flat
  • Powered 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. Powered ModuLite reduces strain on wiring system. Call 800-298-8924 to order Tekonsha custom fit vehicle wiring part number 118474 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.


  • All Info
  • Reviews (21)
  • Q & A (10)
  • Videos (2)
  • Photos
  • Why etrailer?

Tekonsha Custom Fit Vehicle Wiring - 118474

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 behind tail lights
    • 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


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 behind the driver's-side and passenger's-side tail lights. You will have to remove the tail light assemblies to access this harness.


T-One Connection Location Points Behind Tail Lights

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 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.


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.



118474 Tow Ready T-1 T-Connector - 4 Wire - Modu-Lite



118474 Installation InstructionsInstallation Details 118474 Installation instructions

This Product Fits The Following Vehicles

2009 - 2009 Dodge Journey

2009 - 2009 Dodge Journey



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 - 2009 Dodge Journey

Today on this 2009 Dodge Journey, were going to install the Tow Ready T1 Connector part number 118474. First, well need to access the rear cargo area. Were going to remove the two fasteners that hold the tail light assembly in and then remove the tail light on both sides. Now for easy to install, Im just going to go ahead and disconnect the connectors from the tail light assembly and set it aside. We need to unlock the locking tab on the connector before you can remove it. Alright, now Im going to go ahead and move over to the driver's side and repeat the same process.

On the driver's side, were going to go ahead and take our new 4-pole connector and the green wiring connector and feed them down between the bumper cover and the sheet metal of the body. The 4-pole connector will get routed to the center of the vehicle and the green wire connector will get routed to the passenger's side. Next, well take the red and brown wire connectors and plug it in line with the manufacturers and then re-lock the locking tab. Do the same with the yellow and white wire connectors. Next, were going to go ahead and mount our converter box.

Well peel back cover off the two-sided adhesive and were looking for a clean flat surface to mount it to. Just below the tail light housing in between the bumper cover and the sheet metal is a good location. Next, we want to go ahead and mount our white wire with the ring terminal or may be use it as a ground. Were going to go here just below the tail light area where the sheet metal is doubled up so that we can make a good ground connection. Well use our self-tapping screw provided with our install kit.

We can now go ahead and make the connection with our power wire. The red wire coming from the converter box and the black wire from our install kit will be our power wires that are going to run up to the battery of the vehicle. So first, let me take my power wire and feed it from underneath up into the tail light area. Well strip our wires back then we can add our butt connector. Now, we can go ahead and make the connection with our tail light and reinstall it.

Well now go ahead and get underneath the vehicle. Were going to route our green wire over to the passenger's side and our 4-pole connector to the hitch. When routing any of your wires, you want to stay away from excessive heat such as exhaust or pinch points such as the suspension or steering. To route my green wire over to the passenger's side, Im going to go up through the bumper structure. To get to the structure, Im going to use a pull wire or lead. In this case, Ill be using a piece of air tubing, but a stiff piece of wire or anything you can use to get through the bumper structure will be adequate. Once I'm fed up through the other side, Ill just take some black electrical tape to hold our wire while we pull it through. Well go ahead and feed that up to the bumper and pull it out the other side. Now, I still have my pull wire attached. I can go ahead and feed it up behind the passenger's side tail light housing. Routing your 4-pole wire to the center of the hitch will be a little more tricky and staying away from the exhaust, but theres just enough space to get up over the hitch to help protect the wire from the heat of the exhaust. Because theres no hole in the bumper to come out in the center of the vehicle, well have to go up over the hitch and then to center. We have plenty of lead from this wire so were just going to bundle up here behind the hitch in case we ever need to extend it. With the 4-pole secured, Ill just go ahead and take my cutters. Cut out the excess from the zip ties to clean up the look. Now with our green wire pulled up, we'll go ahead and remove our pull wire and make our connections with the vehicle, with plugging in line with the green connector only on the passenger's side. Well lock it into position then we can go ahead and reinstall our tail light. Now, we can get back underneath the vehicle and go ahead and run our power wire up to the battery. Now, weve got our pull wire fed up into the engine compartment, Ill go ahead and use it to pull my car wire up so we can secure it. Well just take our black zip ties provided in our install kit and use it to secure it off to the manufacturers wiring. Alright, lets go ahead and remove the cover off of the fuse box and you can see the positive battery post here. So lets go ahead and route our wire. Well just follow the manufacturers wiring around the fuse box. Now that weve got our wire routed over to our positive battery terminal, were going to go ahead and take our power wire and cut to fit. Im going to go ahead and strip it back and prepare it for our butt connector. We need to add a fuse in between our power wire and the battery. With our power wire stripped back, we'll go ahead and prepare our fuse holder. Ill go ahead and cut it in half and strip back both sides. Now on one side, well add a ring terminal and the other side well add our butt connector. Now, we can take the other end of our butt connector and add it to our power wire. As you can see, weve not added our fuse to our fuse holder. We wont do that until after weve make our connection with the battery terminal. Lets go ahead and do that now. Well remove the stud off the battery terminal, slip our ring terminal over it, and then reinstall it. Well go ahead and take a little black electrical tape. Im going to tape up my butt connector, finish securing my wiring, and then well install our fuse. And that will complete the install of our new Tow Ready T1 Connector, part number 118474, on our 2009 Dodge Journey.


Customer Reviews

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - 118474

Average Customer Rating:  4.7 out of 5 stars   (21 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.

- 118474
by:
2009 Dodge Journey

Very satisfied with the product installed easily and it leaves nothing to guess about all wires and plugs install with ease along with the mount 523904



- 118474
by:

Nice price. Instructional video was spot on and installation went smoothly. Recommend wearing a some 9mm gloves as there is a lot of tucking into areas that like to "bite". Definitely recommend. 451495



- 118474
by:
2009 Dodge Journey

Harness was easy to install and had instructions that were easy to follow with illustrations. I also got the tow hitch.. Saved me over $350 on the $525 that they wanted to install one at the shop. 401638



- 118474
by:
2009 Dodge Journey

I have been extremely Pleased with the hole operation , Product ,shipping all been very good. Thank you John P 372593



- 118474
by:
2016 Isuzu Rodeo

Not my first rodeo with these people. Great service, and great products. Just got another hitch and electrical hookup for our 2016 jeep , so will install soon! RJ 315817



- 118474
by:
2009 Dodge Journey

Quick service with great product. It arrived a day early. Easy to install. 278134



- 118474
by:
2012 Dodge Journey

This trailer hitch bolted up Easy to my 2009 Dodge Journey with the help of my 12 year old son. This project Only took and hour and a half, first time ever putting on a trailer hitch. I also bought the Wire harness to, it was a breeze, and took about an hour to wire. Over all this project was pretty simple, no special tools need, just follow the directions. 249504



- 118474
by:

The hitch is working great. The installation was a little bit tricky, but i did do it myself on my back in my garage at home. Only thing the directions didn't tell me was to remove the tow ring that comes on the vehicle from the factory. Other than, that all went smooth. 240335



- 118474
by:
2009 Dodge Journey

Very good service and exact product thanks for the video . That was very helpfull. 160279



- 118474
by:

My Trailer Hitch is awesome. It was also delivered at lightning speed. Thank you etrailer! Jeff Emrick 120702



- 118474
by:

Easy install. Took just me and wife. 94876



- 118474
by:
2009 Dodge Journey

Very easy to install. Works great 84767



- 118474
by:
2009 Dodge Journey

Easy to install and the on line videos were excelent. 75136



- 118474
by:
2009 Dodge Journey

As easy to connect as advertised. I'd advise running that one connection from the drivers side to the passenger side before you install the hitch though. Lots of room to work with that way. And I'm not sure why that heavy wire needs to be connected to the battery (you can't even see the battery in my '09!!) but it's a pain to run under the vehicle. I ended up taking of body panels inside and running it that way. I bit more work but I know it's protected that way and not going to melted on the muffler. 51470



- 118474
by:
2009 Dodge Journey

the package came in timely and well packed. the online video was superb in explaining the installation. well done etrailer!!!!!!! 48976



- 118474
by:
2009 Dodge Journey

If you have the basic tools and can watch a video than this is a great product to install. 44973



- 118474
by:
2011 Dodge Journey

Harness looks great, but it is not the correct one for my vehicle. I am working with customer service to return this item, and ordering the correct one for my vehicle. 37175



- 118474
by:

Simple, easy to install. 32549


Comments

..... And here I am again buying another one because the first power module shorted out for no obvious reason. Power going into module, no power going out of module. The wiring on the trailer works fine with another vehicle. I guess 3 years is the life expectancy.

-- comment by: Todd - 06/07/2015

12378
Comments

Mine appears to have also burned out after 3 years. Installed in 2012.

-- comment by: Keith K - 09/13/2015

14927

- 118474
by:

great value and support will refer to friends 16089



- 118474
by:
Dodge

First of all i want to tell you that the Dodge dealer asked me 775.00$ + taxes for a hitch and wires for my trailer. They told me that they had to remove the bumper to install the hitch.(2 hrs labor at 85.00$/hr).They also ask me 199.00$ + 1.5hr labor. for the wires. I decided to do the job myself. So i found on the web a hitch sold by a particuler saler for 100.00$ + 20.00$ hardware.It took’s me about tree hrs alone to install the hitch. I start searching on the web for a trailer site and i found your company. When i saw that video showing how we can intall a hitch whitout remove the bumper i was so happy that i went to the dealer and i show them whit a print of instruction how we can do the job. At that time i saw all the accessories you had to sale and that’s why i bought wires from your commpany. Your name is in my browser and i will talk to my friends about your site. Thank you for the services. I send a photo of my self and few photos showing step by step my job. 12687



- 118474
by:

Hitch fit well, instructions were clear, it took about 1 hour to install. The wiring kit was a bit more time-consuming but it also fit and worked well. Thanks! 11149


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


  • Trailer Wiring Recommendation for a 2009 Dodge Journey
  • We've had several positive reviews of the Tow Ready wiring harness part # 118474. This is the first time we've heard of one shorting out after winter. Typically these thing short out because of a short on the trailer wiring. Before you install another unit I would recommend you go over your trailer wiring looking for any corrosion or cut or exposed wires and fix as necessary. It could even be corrosion on the vehicle side 4-way from being out in the elements all winter long. Curt harnesses...
    view full answer...

  • Troubleshooting a Tow Ready Wiring Kit on a 2009 Dodge Journey
  • The first thing I would do is go over the installation instructions and make sure that all of the connections are being made securely. I attached installation instructions for you to check out. If everything seems to be connected properly, you will want to use a circuit tester like the Circuit Tester Kit # 40376 and test the circuits for voltage before and after the black converter box. If there is voltage going into the box but none coming out except the right blinker signal you will...
    view full answer...

  • Can Wiring Harness be Installed Before Trailer Hitch on a 2009 Dodge Journey
  • You can install the hitch, # C13201, and wiring, # 118474, in any order you want on your 2009 Dodge Journey. It would not cause any short or other issue to do so. I have included links to videos showing example installations of both parts for you.
    view full answer...

  • Parts Needed to Tow a Trailer with a 2009 Dodge Journey SXT
  • To tow a trailer with your 2009 Dodge Journey SXT you'll need a trailer hitch receiver, a ball mount, hitch ball, pin and clip, and trailer wiring. The trailer hitch I suggest is the Draw-Tite Max-Frame # 75648 which is a 2 inch, Class III receiver. A 2 inch receiver will have a higher weigh capacity as well as more variety of accessories that can be used. I've attached a video of the hitch being installed for you to take a look at. The Tekonsha wiring harness # 118474 plugs into...
    view full answer...

  • Trailer Hitch and Accessory Recommendations for a 2009 Dodge Journey SE
  • Any of the trailer hitches available for the 2009 Dodge Journey will fit all models, including the SE. I have included a link to the available hitches for you. The most popular hitch option for your Journey is the Curt hitch, # C13201. If you like the Draw-Tite hitch, # 75648, it will also fit. If you plan on doing some towing I recommend the etrailer ball mount kit # 989900. It comes with 2 ball mounts, 2 balls, a hitch pin with clip, and a carrying bag. For trailer wiring, use # 118474....
    view full answer...

  • Compatibility of 2009 Dodge Journey to Pull U-Haul Rental Trailer
  • For your 2009 Dodge Journey, your max towing capacity is 1,000 lbs. If you use the smallest utility trailer 4x7 then the unloaded weight of the trailer is 630 lbs giving you a loading capacity of 370 lbs total. If you use the smallest enclosed cargo trailer of 4x8 you will be able to carry only 150 lbs because the empty weight is 850 lbs. You may be better off renting a vehicle equipped for towing or a van/truck for the entire load. If you decide you want to utilize your vehicle,...
    view full answer...

  • How to Install a Brake Controller on a 2009 Dodge Journey
  • Though I am not sure what the connector you are referring to is for, I can assure you that it is not for trailer wiring which means we would not have anything that plugs into it to operate the trailer lights. If you would like to add a 4-way trailer connector to your 2009 Dodge Journey then I recommend the T-One Vehicle Wiring Harness part # 118474 which is almost completely plug and play. If the trailer has brakes then you will need a brake controller and a 4 to 7-way trailer wiring...
    view full answer...

  • Troubleshooting Vehicle and Trailer Taillights Not Functioning After Towing Trailer
  • It sounds like the trailer wiring harness part # 118474 that you have installed on your 2009 Dodge Journey shorted out due to a short in the trailer's wiring and is in need of being replaced. First thing you want to do is remove the wiring harness to make sure that your vehicle taillights go back to working correctly. There may be fuses on the vehicle's fuse box that need to be replaced. These harnesses are designed as fusible link between the trailer's wiring and the vehicle's wiring...
    view full answer...

  • What Gauge is the Power Wire and What is the Fuse Size for Trailer Wiring on a 2009 Dodge Journey
  • The power wire for trailer wiring harness # 118474 for your 2009 Dodge Journey is 12 gauge wire such as # 12-1-1 sold by the foot. The harness uses a 10 amp fuse. If you also need the fuse holder we have # SWC9539 which takes ATC-ATO fuses.
    view full answer...

  • Troubleshooting Tow Ready Trailer Wiring # 118474 that No Longer Functions on 2009 Dodge Journey
  • The Tow Ready Custom Fit Vehicle Wiring # 118474 that you referenced does have a 1-year limited warranty, but it sounds like something on your trailer shorted out the harness and now it is broken. You can test the converter to verify this if you like. Here's how: What you will want to do is test the wires going into the box of the converter box for voltage with a circuit tester like the # PTW2993 to see if there is voltage going into the box when the taillight functions of your vehicle...
    view full answer...


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Info for this part was:

Expert Research:
Michael H
Expert Research:
Jameson C
Video Edited:
Joshua S
Updated by:
Laura H
Installed by:
Cole B
Updated by:
Alexander C
Photos by:
Stacy F

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