T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
This item does not fit your vehicle
2003 Ford Expedition
These items fit your vehicle
2003 Ford Expedition
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Connecting a trailer's signal lights doesn't have to be complicated. This custom T-One Vehicle Wiring Harness makes the process straightforward and stress-free by plugging directly into your vehicle's existing wiring system. It's a simple, plug-and-play setup, so even if you're not a car mechanic, you can get your trailer ready in no time.
Bringing different systems in sync can be a headache. With the innovative ModuLite Power Converter, you can effortlessly match your vehicle's three-wire system with your trailer's two-wire setup. This powered module connects directly to your car battery to manage compatibility without overloading your vehicle's electrical system, ensuring your trailer's lighting works perfectly every time.
Worried about needing different connections for various trips? This wiring harness comes with a 4-way flat connector, and it’s compatible with 5-pole, 6-pole, and 7-pole adapters. It gives you the flexibility to adapt to different towing needs without hassle, making it versatile for any trailer adventure.
Don't let weather and road conditions damage your setup. This harness is constructed with durable 16-gauge bonded wire and includes a dust cap to protect your 4-way flat connector. It's built to last, so you can tow with confidence, knowing your connections are secure and well-protected against the elements.
Overloading your vehicle's circuits is a thing of the past with this harness. It draws power directly from the battery, significantly reducing strain on your vehicle’s tail light circuits. This feature not only improves your car’s electrical system lifespan but also ensures a more reliable performance every time you tow.
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does not fit 2016 ford police interceptor just like the description says but i was able to move the pins in the plug to make it work.
Overall, very good. System still works well. On installation instructions, overall good, could have been a bit clearer on drivers side harness install.
Overall, extremely satisfied.
Everything that was promised. Easy inst allation.
Install was easy, works great
Super Easy to install, worked amazing!
thats not a DIY, very involved
Hitch for my 2020 Explorer shipped immediately, was well made, and included the wiring. The cost for this hitch and the installation was less than the factory hitch, and it is does not require having to pull off a section of the rear bumper fascia every time you want to install the hitch.
For me the worst thing was running the power wire to the battery. Harness was plug and play and was able to conc by eal power module and wires behind pannels in the back. Was able to run through a body plug the 4 pin connector to the hitch and conceal. Glad I don’t have to do that again.
Excellent trailer hitch and wiring harness. I am a novice at car mechanics and watched the etrailer Youtube videos and installed both pieces in a little over an hour. Products work perfectly and easy to install. Thanks!
This company is awesome! They give out out tons of information on how to pick the right parts and install them and install them. Plus the prices are very fair and and delivery service was fas it was fast. My trailer hitch fit perfect and the wiring harness was easy to install thanks to the videos. I highly recommend etrailer and will definitely be using them again for all my automotive needs.
Worked for a while, then fried out during my move with the uhaul. Wasn’t the uhaul, as the uhaul lights worked correctly when hooked up to another vehicle. Disappointed.
Works great. Video and guidance from etrailer was critical to installing. Nice quality. 2021 Ford Explorer.
Mark
7/11/2023
I love the trailer hitch. Has performed well.
I received my trailer wiring harness very promptly. The harness was well designed and manufactured. I would recommend this product to anyone looking to add trailer lights to their vehicle.
My only concer is that the boxwas ripped open when it arrived. I hope all the pices are still there. I will find out when I install yhe hitch and wiring
Great Hitch. Ordered from etrailer for $189 and local shop wanted over $400 for the exact same item. Bolted right on and it only took about and hour to be "tow ready". Great prices, Great shipping!
Thanks!
Product is good. Teconsha was a customer of mine when I was working. Etrailer service, web site, installation instructions, and video help are all excellent. Oops, for got shipment tracking, also excellent.
I could not believe how quickly the hitch was delivered. And is already installed and working good. The customer service representative was very helpful in assisting me in picking out the correct hitch for my needs.
This kit made wiring the trailer connector fast and easy.
Great website, great prices, extremely fast shipping. This is the fifth hitch that I have ordered over the last ten years and always pleased
Great folks to work with.
Plug and play, what could be easier. Excellent install videos by etrailer, keep up the great work.
Excellent service great products great price's. extra fast shipping
I have not install the products yet, however the shipping was swift. The products appear to be of top quality.
Fast shipping, smooth transaction, I received exactly what I ordered. Thanks!
This was perfect. Everything I needed and how to install.
GREAT PRODUCT and COMPANY!!
All parts fit as designed. The instructional videos made installation error proof.
Do you have a question about this Custom Fit Vehicle Wiring?
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Rachael H.
7/29/2019
This wiring harness is confirmed as a fit for your Taurus. It does have a maximum amp of 2.1 amps per stop and turn lights circuit and 5.6 amps for the tail light circuit. It may just be the in-line fuse, I recommend checking that to see if a new fuse would correct the issue. Other than that most trailer wiring issues are related to a bad ground somewhere in the system. I have included a help article regarding this for your reference.
Helpful Links
faq-4-5-way-troubleshooting.aspx