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Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring. Powered converter reduces strain on wiring system and is made using SMT to ensure superior performance.
Features:
Specs:
Installation
This custom-fit T-connector plugs into your vehicle's wiring harness, which is located in your rear cargo area. You will have to remove interior trim paneling to access these connection points. 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.
Once installation is complete, the 4-way connector will be stowed in an out-of-the-way location within your cargo area.
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.
A tail light converter is built into this T-connector. This converter is a circuit-protected, battery-powered unit that bypasses the electrical routes that are used by a basic wiring harness. As a result, there is virtually no draw on your tail light circuits.
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 the trailer. This converter combines 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.
Curt builds each tail light converter using surface-mount technology (SMT). This method of construction involves soldering electronic components directly to the surface of a printed circuit board. SMT eliminates the need for leads, which are used in older through-hole technology. The result is a circuit board that is smaller yet provides more routing area and that offers superior performance, reliability and durability.
Circuit boards constructed using SMT have been shown to perform better under rough conditions with excessive vibration than those made using the through-hole method. And where would vibration be more likely to occur than in towing applications? Curt converters also produce less heat, leading to increased durability and longer life. In addition, lower levels of resistance ensure better performance, especially for parts that operate at higher frequencies.
Each Curt circuit board is made using high-quality components that are pieced together in the most technologically savvy fashion, leading to greater predictability and reliability in functioning.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Jeff: Hello, everybody. This is Jeff at etrailer.com. Today, we're going to take a look at this CURT T-connector vehicle wiring harness with the four-way flat trailer connector. Now this is a custom-fit part. It is designed to fit the 2019 Mazda3 vehicles. And on a custom-fit part like this, I always like to recommend for you to go to our website, use the fit guide.
Put in your year and model vehicle and it'll show if this'll work for your application.Now, this harness will provide this four-way flat trailer connector at the back of your vehicle to power your trailer's signal lights. And it is compatible with five-pole, six-pole and seven-pole adapters that we do sell separately on our website.This will connect very quickly and easily. Basically you just locate your connection points, which are behind the taillights of your vehicle. Plug in these T-connectors, one on the driver's side, one on the passenger's side. Ground your white wire, then run your black power wire to your vehicle's battery.Now it does include this black box here, which is your tail light converter.
This is to ensure that your vehicle's wiring will match that of your trailer. It is a powered module. That's why it connects directly to your vehicle's battery. And they do that to avoid overloading your vehicle's electrical system.This converter is constructed using SMT technology, which is surface-mount technology. Gives you a more consistent, reliable performance.
It will maximize your trailer light yield and intensity, while producing minimal heat. It also ensures a nice, superior operation in any rough road conditions.Now, this kit also comes with this nice rubber dust cap for your four-way. And what's nice about that, you can just attach it to the four-way and you can leave it on there if you want. And then when you're not plugged into your trailer, just take your dust cap, put it over the terminals and it'll protect them from any damage or from the elements.A few specs on this harness. The maximum amperage for the stop and turn light circuit is five amps per circuit.
Taillights is 7.5 amps per circuit. It does come with everything shown here on the table. It comes with a nice set of detailed instructions that will describe how everything installs and pictures of where they connect.But just briefly to go through the connections on these. And what you'll do again, is go to the rear of your vehicle, access behind the taillights. And you'll probably want to start on the driver's side and take the wire that has the yellow and red in it. That's for the driver's side. Unplug your harness, plug this T-connector in line there.And then what you'll do is take the other T-connector with the green wire, that's for your passenger side. Run this length of wire over to the passenger side, plug this in behind the taillights. And then this converter box, it does have a little weight to it. So you do want to attach that to a good flat surface so it doesn't bounce around. They do have a tab on it with a hole which you can put a screw in if you want. But they also give you this nice double-sided tape that you can put on there and attach it down that way.Run this bonded wire with the four-way out towards the trailer. And then you'll have two remaining wires. The white wire, you can see has an eyelet on it. That needs to connect to a good clean ground if there's one nearby. If not, they do include this grounding screw that you can make your own ground. And then the remaining wire is your power wire. This needs to run to the vehicle's battery in the front. They do give you this length of wiring and the connectors to do that.So if you take a butt connector, connect it to one end of this length of wire, run it all the way to the front. Now you don't want to run this directly to the battery. You want to run it through the inline fuse holder. Take the other butt connector, connect it to one side of the fuse holder, just like that.And then on the other side, take the eyelet connector, attach that, and then connect it to the battery. Pop open the fuse holder, take the included 15 amp fuse. Just install it into the fuse holder, just like that, put your cap on and your system's all ready to go. If you notice they do include some extra cable ties. That'll help take up any slack in any of the wiring. But that should do it for the review on this CURT T-connector vehicle wiring harness with the four-way flat trailer connector.
Average Customer Rating: 4.8 out of 5 stars (5 Customer Reviews)
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring. Powered converter reduces strain on wiring system and is made using SMT to ensure superior performance.The hitch and wiring kit arrived on time. Both items fit my application, 2023 Mazda 3 AWD, installation was not that hard for either the Wiring harnes or the hitch. I was able to do both myself, however a helper hand would have been nice. I used a floor jack and jack stands in the driveway. Took about 50 min to get the hitch installed and most of that time was enlarging the holes. Sadly I didn't have a 1" drill bit, I used a stepped drill bit to 3/4" then a grinder ball. If I have a courser ball it would have went faster.
The wiring harness and instructions are good, fit well didn't take much time. the hardest and most time consuming part of the wiring is getting the power from the Battery to the converter. Takes a little planning and looking around underneath to keep away from heat and moving parts and get the wire through and existing penetration and boot. While there was enough of the black wire provided, it was getting close, however the fuse that is added gives you more over all length, so if it is looking close remember you have some extra in the total length. There are a few places to put the ground wire that are already threaded you just need a short bolt.
With all this said, you may wonder why I have only given this 4 stars.
The hitch paint was chipped when it arrived, and corrosion prevention is important to me.
This is the 3rd hitch from etrailer that I have owned the first was already on a car I purchased, and this is the second one that I have purchased, I have been happy with the installation and how well they worked. If I need another I will likely get it from etrailer.
Worked perfectly for my move across country with my Mazda 3.
Great service with knowledgeable employees and fast delivery. I wasn’t sure what all I needed to have a plug and play wiring for a vehicle with LED lights. One call and the salesperson put together a package that gave me everything I needed. I couldn’t ask for more thank you so much.
Worked great on my 2019 Mazda 3 awd
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