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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 the trunk floor covers, storage trays, sub woofer, spare tire, scuff panel, and interior side panels to access this 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.
Once installation is complete, the 4-way connector will be stowed in an out-of-the-way location 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.
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.
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.
Average Customer Rating: 4.6 out of 5 stars (51 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.I installed the Curt trailer wiring kit right after I installed my hitch, so some of the access points were already open. If you follow directions and install the converter in the battery compartment, the wiring harness to the tail lights will be too short. I installed the converter in the driver side compartment where the air compressor rides and ran the power wire only to the battery compartment. This provided barely enough length to reach the tail light wiring connectors in the lift gate. Other than that, I followed the directions and everything looks good, all the wiring is hidden behind trim panels, and the harness works great.
Made the install really easy.
Daniel
11/1/2024
Wiring set made the installation process a breeze. Works really well and provides a strong signal
Still working flawlessly! Watched the YouTube videos by etrailer and it made the install easy and quick. Love things that work right the first time with zero issues.
I have not installed it yet, but the order was delivered as promised and I like the fact that this item uses factory plugs instead of splicing or tapping into wires.
The harness was easy to install. I did need to purchase a 4 prong socket mount so it would not hang loose from the rear of the car.
Shout out to etrailer! Wanted to save some money and do the wiring myself so Ed hooked me up with the right stuff and with a quick tutorial from etrailer online showing a clever and effective shortcut, I had it installed in about 30 minutes. Thanks, the hitch I purchased also installed easy with the online help. 100% will use etrailer for all my trailering needs.
The installation instructions are not detailed enough. Other than that, all good. Easy to install
I did end up using it, but the install is ridiculous. I took it to the Dealer and paid ~ $500 to have it installed. The directions show routing the wires up side thru roof and into lift gate lites. And you have to dissasemble the lift gate door panels, Crazy. Even the dealer did something much simpler.
Jenny N.
3/22/2022
The installation for this harness is a detailed installation. I recommend downloading the manual from the product page as it will give step by step instructions so that you determine the difficulty.
Installation was decently straight-forward (as much as anything can be with an Audi) and sits nicely. I'm very pleased with how low-profile this hitch is. A great choice if you're looking to tow with your Q5. I will recommend accounting for how low the receiver is when you buy your ball hitch.
Be aware that the trailer lights do not work with the hatch open but otherwise easy to install and functions as intended.
Andrew
10/18/2022
Still working as advertised, happy as can be.
Good product. Super easy to install. Didn’t have to cut or splice a single wire. Manufacturers instructions are vague and didn’t specify where the wires were located for the brake lights so if you don’t know your vehicle check online and you’ll find info how to install pretty much anything.
I purchase the product and I try it and it was great. I didn't use it a lot of times but all the connectors was fitting very good and it is almost like factory one. That was my goal to be as closest as possible to the factory.
Product is great, instructions are well done. When installing however, the driver's side wiring was not long enough to mount the unit in the battery well as depicted in the instructions, and the passenger-side wiring length only allowed the wiring to be routed under the trim along the top of the hatchback (not along the scuff plate at the back of the car). The CURT instructions should be updated to make this clearer.
This harness uses factory original plugs that interface with the vehicle's original wiring harness to make installation a breeze, quite straightforward and seamless. No janky scotchlocks, crappy crimps or poor "splice" jobs to be had here. Some disassembly required, but all the best wiring jobs do. 100% would recommend for the professional installer, although this project may be above the heads of the inexperienced DIYer.
All in all, it was a very simple install for both the hitch and the lights. Would highly recommend. I do think they could have packaged it a little better, it broke through the box in shipping, but it’s a heavy hitch, so it is what it is.
Flawless instructions and has worked great for over a year! Needs a bracket for the plug!
Installation was easy and it works as advertised. The power wires were a little short and needed to be lengthened. That wouldn’t stop me from purchasing again.
Works like a charm
Works as advertised. Pretty simple install. As usual great quality product(s) from etrailer
Great harness. Take your time for a clean install. I put the hub of the harness by the wheel well.
Exactly what I needed
Have not installed yet but looks to be an easy install as instructions seem to be pretty clear
This kit worked great on my 2014 Audi Q5. If you are a DIY type, you should be able to accomplish the install fairly easily
It didn’t work for my q5. Shop said I needed a modulator, which Audi no longer makes.
Fast and easy install and the price was great
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Bob
7/26/2022
Easy as advertised and I still like it.