To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
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 behind the driver's-side and passenger's-side tail lights. You will have to remove the cargo area floor board and loosen the side-wall trim. 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 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.
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.
Hi, everybody. Andy here with etrailer.com. Let's take a brief look together at this CURT T-connector vehicle wiring harness with four-pole flat trailer connector. Now this harness has been designed to fit your 2020 and newer Toyota Highlander with the factory tow package, and then your 2024 and newer Toyota Grand Highlander with the factory tow package, and on custom fit parts such as this wiring harness I do recommend taking advantage of our vehicle fit guide, enter the year, make and model of your vehicle and our fit guide will confirm if this will work for you or if we have something comparable that will work for you. This harness is going to give you a four-pole flat trailer connector on the back of your vehicle to power your trailer signal lights. This is going to be compatible with five-pole, six-pole and seven-pole adapters.
Those adapters are sold separately. If you notice the dust tap is included for the four-pole flat connector. That dust cap is going to cover up those connection points when the plug is not in use. This black box is a powered taillight converter. This is going to ensure that your vehicle's wiring matches out of your trailer.
This is going to make sure that your vehicle's electrical system is not overloaded, reducing the strain on its wiring system. By the way, CURT does build each converter using surface-mount technology for consistent reliable performance. It maximizes trailer light yield and intensity while producing minimal heat, ensuring superior operation in rough road conditions. Next, you will need to find the connection point for this harness in the back of your Highlander or Grand Highlander and this will plug right into place and this is going to be custom fitted for that plug, that harness that this is going to plug into, and then you will need to make a good ground connection. This ground wire is this white wire here with the ring terminal attached to it.
It does come with that self-tapping screw, so you can get this grounded to a suitable location such as your vehicle's frame or cross member. You do wanna make sure that that surface is clean and rust free. Next, you will wanna mount this converter box to a safe out-of-the-way location. You can use another mounting screw that you might have on hand or the double-sided adhesive tape or one of the many cable ties that's included with this kit. Speaking of cable ties, you can use those to secure any excess in the slack of your wiring if you have any loose areas in the wiring, those cable ties are going to be able to lock that right up.
And then once installation is complete, you will take this four-way connector and stow it beneath your vehicle, near your trailer hitch. If you don't have a mounting bracket already, check out our mounting bracket options that we do carry here at etrailer.com. Instructions are gonna be included to guide you through that installation. It is also recommended that you use a small amount of dielectric grease on all of your electrical connections, like the plugs on the vehicle and the four-pole flat connector itself. That grease is designed to help prevent electrical failures caused by corrosion and moisture. And if you'd like to check that out, you can take that item number that you see there on the screen, pop it in the search field of our website. That will take you to that grease and you can add that to your order. I did also wanna mention this does come with a 15-amp fuse that you will slide in here into the the fuse holder that's included in the wiring, but I think that's gonna wrap up our look today. I do hope that our brief time together was helpful for you. Again, my name is Andy. Thank you for joining me.
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