Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers
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2017 Chrysler 300
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2017 Chrysler 300
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Install your electric brake controller quickly and easily with this custom wiring adapter. Simply plug one end of the adapter into your brake controller and then plug the other end into the built-in harness beneath your vehicle's dash.
Features:
This adapter plugs into the 4-pin connector on your vehicle's built-in brake control wiring harness. The harness is located underneath the dash. Pull back the carpet behind the brake pedal to expose the connector.
To install your electric brake controller you need to connect the wiring of the controller to your vehicle. Certain manufacturers offer pre-wired options, typically known as tow packages, wherein these wires are run for you from the dash to the trailer connector on the back of your vehicle. Often, a brake controller wiring harness is included with your tow package. This harness plugs into a port beneath your dash and connects to the four wires of the brake controller. If, however, you have a brake controller with a plug in place of the four loose wires, you can use the Tekonsha adapter.
This adapter requires no hardwiring. It is designed to plug directly into your electric brake controller for the simplest installation possible. Because there are no wires to connect, installation is not permanent. You can unplug and remove your brake controller at any time and securely stow it away.
California residents: click here
I'm going to skip the reviews for Item #3066-P Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers and for Item #331-TPH-017 Redarc Tow-Pro Wiring Adapter for Tekonsha Brake Controller Harness. They just work to get the signals from A to B.
Installing this in my Merc ML-250 Bluetec was straight forward, but I thought quite a bit about the knob placement. Finally ended up mounting this next to the ashtray, opposite of the cigarette lighter. This location won't work for those with heated/cooled cupholders as this is the location used for that controller. This location works well for mounting as there is clearance below and the knob is low-profile enough that the sliding door can still cover the area. Just need to be careful with wire routing. Route towards the back of the car, then reverse course up to the front, such that the slider can retract into this space. The main body of the unit is mounted under the dashboard above the brake pedal, completely hidden from view and out of the way of feet and knees.
Fit perfectly into our 2020 GLS 580 and into our 2020 VS30 Sprinter 2500, both with a Mercedes factory trailer hitch. Greatly simplifies the installation.
Fit perfect in my 2018 MB GLS AMG edition. Simple plug and play with the electronic brake controller. Worked perfect after I hooked it up. Just used some zip ties to keep all wires nice and organized.
I installed the Tekonsha P-3 Trailer Brake Controller in my 2015 Mercedes GL450 in the summer of 2021. The brake controller has worked flawlessly. We pull a new 7,200 lb RV with 600 lb tongue weight. There is plenty of power with this vehicle, but the load does max out our vehicle's rated hitch weight and towing capacity. Installation of the controller was very simple to do and the information provided on etrailer's website was great for knowing what items to purchase. As for Mercedes, that was a different deal as there doesn't seem to be a lot of good, consistent information on where the trailer brake wires were hidden in the vehicle and the actual configuration of the installed wire connector configuration as several different configurations are apparently in existence. Nevertheless, I got lucky and had the simplest configuration where the factory connecting wires were under the dash by the steering wheel, as opposed to somewhere under the rear carpeting. Total install time was about 20 minutes and the unit fired right up. Settings and adjustments are very simple. This was a good purchase in my mind and I'd definitely buy it again.
Works great as designed, easy install on 2018 MB 350 with factory tow. Cable was long enough to connect under dash by the brake pedal and snake around under center dash.
Exact fit and function for true plug-and-play function. The quality is good and the length is more than long enough to reach from the factory connection behind the GLE350 brake pedal over to where I mounted the electric brake controller. The vehicle connection end even matches the green color to help color-code the connections.
This is the only source for this that I found at the time I purchased it and so long as the brake controller has a standard connection it should work with any brand.
To Dena, my order for Mercedes GSL Class connected perfectly to existing factory tow package pre-existing wiring. Have not tried out controller with RV yet, but are planning to on 3/29/20-camping trip. I was first told by local installer that my ONLY controller option was the Bluetooth set up. I am so glad to have you as my go to FOR rv-trailer needs. Shipment was very timely. Thanks so much, Ray K
etrailer came through again. I think they really do their homework on the products they offer as I have used them many times now. I do still suggest improving their listings (every company) as the whole internet sales thing is lacking everywhere. It should be better than shopping in person. More info and often it would help to show the product in use. imho
Worked just as it said it would. Connects my Mercedes’ towing package wiring directly to my controller. Plug and go!
Wow! What an easy install. Plug this in. Plug in the brake controller. Done. The instructions even told me where to look for the plug on the car side for my model vehicle.
I like this brake controller. It is easy to set up and adjust. Only gripe is I can't get it exactly set so that the trailer doesn't jerk when braking at low speeds.
Easy to install. Connected right to the OEM plug and to the plug on the brake controller. Works as advertised.
After reading what I could find online, I was searching for a brake controller for my vehicle. I ran across etrailer and found their prices to be competitive. I emailed with some questions specific to my vehicle and fully expected a several day wait for my answers. Within hours I had received a response from a real person, Madison P. He was extremely knowledgeable and helpful. I purchased the unit and it was delivered 2 days later. Super service!!
Excellent Product. High quality plug and play. On 2022 GLS 450 the hardest work was finding the plug behind the carpet near the lower dash edge. After that it was easy and worked well.
Bought Draw-Tite Activator IV for a 2018 Mercedes GLS. Installed with Tekonsha 3066-P harness. The Tekonsha harness plugged into the Mercedes pre-wired harness easily. The Draw-Tite was easy to install and works perfectly.
Fit ML 350 harness as OEM product.
Marcel D.
3/11/2021
Great product. Needed the factory harness to simplify the controller installation to the OEM on board connector. Works as advertise.
Excellent product. It connected directly to my 2019 GLS 450 factory harness and installed in five minutes. It’s my second time purchasing this product.
Easy set up. Works great. Etrailer is awesome to deal with.
They have just about everything related to trailers. Easy to use website. A+
Good fast shipping. Very clear website.
Worked just as advertised, couldn't be happier
Graham
12/18/2021
Perfect, no issues
Very simple to install. Have not hooked to trailer yet.
Worked as advertised. No issues after a year of use.
Exactly what I needed! Thanks!
plug-n-play, super easy
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Clint
7/15/2021
One year later Still working great. No issues. Buy this will confidence.