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  1. Trailer Brake Controller
  2. Tekonsha
  3. Electric
  4. Proportional Controller
  5. Up to 4 Axles
  6. Under-Dash
Tekonsha Voyager Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Proportional
Tekonsha

Tekonsha Voyager Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Proportional

Part Number: TK85HR
In Stock
$116.80
Trailer Brake Controller

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In Use/Installed

This proportional brake controller is designed to keep towing simple. Includes an LED braking indicator, a slide-bar manual override, and a knob to adjust braking power. Mounts easily within a 90-degree vertical range. Great Prices for the best trailer brake controller from Tekonsha. Tekonsha Voyager Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Proportional part number TK85HR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Tekonsha Trailer Brake Controller - TK85HR

  • Electric
  • Proportional Controller
  • Up to 4 Axles
  • Tekonsha
  • Under-Dash
  • Plug-In
  • Under-Dash Box
  • Indicator Lights
  • Single Trailer Only

This proportional brake controller is designed to keep towing simple. Includes an LED braking indicator, a slide-bar manual override, and a knob to adjust braking power. Mounts easily within a 90-degree vertical range.


Features:

  • Brake controller activates trailer brakes in proportion to your vehicle's braking action
    • Automatically adjusts trailer's braking based on deceleration of tow vehicle
  • Simple controls keep your settings within easy reach
    • Gain setting lets you adjust the amount of power sent to the trailer's brakes
    • Slide-bar manual override allows you to control trailer sway or stop in emergencies
    • Sensitivity knob lets you set initial braking power and aggressiveness for smooth, safe braking
  • Green LED on the top of the module monitors a secure connection with trailer
    • Glows red to indicate that trailer brakes are being activated
  • Quick and easy installation with included bracket and hardware
    • 90-Degree vertical mounting range - must be horizontally level and parallel to direction of travel
    • No need to wire into your vehicle - custom-fit harness lets you plug in and go


Specs:

  • Application: trailers with up to 4 axles (8 brake assemblies)
    • Compatible with electric brakes only
  • Dimensions: 5" long x 3" wide x 1-1/2" tall
  • Mounting: between -20 degrees and 70 degrees in the vertical plane
  • Warranty:
    • Limited 5-year on brake controller
    • Limited 1-year on wiring harness


Power and Sensitivity Adjustment

Once the brake controller is installed, you can use the knob on the right side of the unit to adjust the gain (also known as output). Gain lets you set the maximum amount of power that will be applied to your trailer's brakes. You want to set it as high as you can without locking up the brakes. Typically, this setting is only readjusted when you experience changing road conditions or if you switch over from a heavy, loaded trailer to a much lighter, empty trailer, or vice versa.


Tekonsha Voyager

You can fine-tune the gain by adjusting the sensitivity of the internal sensor using the knob on the left side. This controls the aggressiveness of your trailer's braking, meaning how quickly the brakes reach the maximum braking level. You can adjust this when you're towing heavy loads and you need more umph to bring your trailer to a stop. Your tow vehicle doesn't need that much power to brake in time, but your heavy trailer does. A high sensitivity level will get the braking power to your trailer brakes faster and with more intensity so that it doesn't push your tow vehicle forward.


LED Indicator

Keeping with its simple design, the Voyager will not overwhelm you with information. An LED indicator on the top of the unit lights up green to show that your trailer is securely connected to your tow vehicle. The LED indicator will change to red when the brakes on your trailer are activated.


During installation and setup, this light is also used to ensure that the Voyager will be able to function correctly. Proper leveling of the internal sensor is crucial to the operation of this brake controller. When the sensor is level, the LED will change to a shade of orange.


Simple Installation

The Voyager is designed to be mounted in your cab at a vertical angle that is between -20 degrees and 70 degrees. The brake controller needs to be horizontally level and parallel to the direction of travel in order to function properly.


Correct Voyager mounting90-Degree Voyager mounting

To connect the Voyager, just plug the included harness into your vehicle. The other end plugs into the controller - no hardwiring required.


Once the controller is mounted and connected, you must level the internal sensor. First, set the overall power to the maximum using the knob on the side of the controller. Then, while pressing the tow vehicle's brake pedal, adjust the level knob on the other side of the brake controller (this is the same knob that is used to fine-tune the power output) until the LED monitor is a shade of orange.


Note: If you don't already have a 7-way plug at the back of your vehicle, take a look at our exclusive 7- and 4-way brake controller installation kit (ETBC7 - sold separately).


Proportional Braking

What is proportional Braking

The Tekonsha Voyager brake controller comes equipped with proportional braking to give you the best towing experience. Proportional braking means that your trailer brakes mimic your tow vehicle's brakes. If you slam on the brakes in your vehicle, your trailer brakes will activate with the same intensity; if you brake lightly, your trailer brakes lightly too. The trailer's braking is in proportion to your vehicle's braking. This saves wear and tear on the tires and the brakes on both your vehicle and trailer.


The Voyager uses a pendulum system to sense how your vehicle is braking so it can send the right amount of braking power to your trailer. It measures the inertia of your tow vehicle and activates the trailer's brakes to slow at the same rate. The result is uniform braking across your towing setup. No push-pull action - just smooth, proportional braking every time.



9030 Tekonsha Voyager Electric Brake Controller - 1 to 4 Axles - Proportional

306300 Tekonsha Dual Plug, Direct Install Brake Control Wiring Harness Adaptor

Replaces Tekonsha 3063-P

Installation Details TK85HR Installation instructionsAlternate Instructions TK85HR Installation instructions


California residents: click here


Video of Tekonsha Voyager Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Proportional

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Tekonsha Custom Wiring Adapter for Trailer Brake Controllers Spec Review

Hello neighbors, it's Brad here at etrailer. And today we're taking a look at the Tekonsha Brake Controller Adapter for sprinter vans. Now, it's important you're gonna wanna use the fit guide to make sure that you have the specific model of sprinter to make sure that this plug works. But once it's plugged in and you know that you have a confirmed fit, it's going to be nice and easy to actually plug this into your factory tow package. So under the driver's seat, you're gonna see a green clip and you have factory plug that meets to that. And you just simply run the other end to your brake controller.

Now, this is going to be an awesome option in making a brake controller install nice and easy on the sprinter, by allowing you to just plug into the factory tow package. And then this end is gonna go into your brake controller pretty easy. And this is gonna work on trailer mates, draw tights as well as Tekonsha brake controllers. As you can see once we plugged it in, our brake controller came to life and it's ready to go. So all that's left is to mount this where we want it and hook up our trailer and get to towing.

And that was a look at the Tekonsha Brake Controller Wiring Adapter for a sprinter van..

Ratings & Reviews

4.8

730 reviews
This proportional brake controller is designed to keep towing simple. Includes an LED braking indicator, a slide-bar manual override, and a knob to adjust braking power. Mounts easily within a 90-degree vertical range.

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Great product, fast shipping



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Easy to install



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Great product



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we have not installed it yet but was very excited that you carry the product that we needed and a product that we had a hard time finding anywhere else.


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See what our Experts say about this Tekonsha Trailer Brake Controller

  • Should Blue Wire From Brake Controller Have Constant Power
    The blue wire coming from the back of your Tekonsha Voyager Brake Controller # 39510 is for brake output to the 7-Way connector. This wire should only have power with the brake pedal depressed or the manual override activated on the brake controller. If you are getting constant power on this blue wire this may be an indication that the controller is bad but there is an easy way to test this. You will want to first sever the blue wire several inches from the back of the controller. Then...
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  • Troubleshooting No Green Light on Tekonsha Voyager Brake Controller
    The green light on top of your Tekonsha Voyager Trailer Brake Controller # 39510 indicates that a trailer is connected to your vehicle. If this light is not turning on when connected to a trailer there are a couple things, you can check. I first recommend inspecting both the vehicle side and trailer side connectors for any debris or corrosion built-up around the pins that needs to be cleaned out. If the connectors look good, you will next want to test the brake output pin on the vehicle...
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  • Is Reese Voyager and Tekonsha Voyager the Same Brake Controller
    They are the same controller as Reese and Tekonsha are made by the same company. The Tekonsha part # 39510 does not come with the vehicle specific install harness part # 3035-P which is custom fit for your 2003 Ford F-250/350.
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  • Recommended 7-Way Trailer Wiring Harness for 1995 Chevy C3500 with 5.7L
    For your 1995 Chevy C3500, I recommend your start with the Tekonsha Prodigy P3 brake controller # 90195. This proportional controller will apply your trailer brakes at the same time and with the same intensity as you hit the brake pedal in your truck. It has easy to use presets and has an LCD screen to avoid code deciphering of most other brake controllers. It is completely transferable to another vehicle if you decide to move trucks at some point. If you want a more basic controller,...
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  • Trailer Brakes Do Not Activate With Brake Pedal When Trailer is Sitting Still
    Actually that is a possibility. Proportional brake controllers will not engage the brakes with the pedal unless the tow vehicle is in motion. Another possibility is the red wire from the brake controller isn't connected correctly. It needs to be connected to the cold side of the stop light switch or the wire that is hot only when the brake pedal is pressed. I would also check any fuses related to towing and replace if necessary. If none of these ideas solves your problem let me know...
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    For your 1998 Ford F-150 Extended Cab with factory 4-way flat, you need the Tekonsha Ford Replacement OEM Tow Package Wiring Harness, 7-Way # 118242. This will give you the two additional relays needed as well as the wiring harness. Then you will need a brake controller. I recommend the Tekonsha Prodigy P3 # 90195 as well as the wiring adapter # 3035-P. This will give you an easy to use proportional brake controller with easy to use presets as well as a nice LCD screen for diagnostics....
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  • What Are the Brake Controller Wire Colors for on a 1998 Dodge Ram 2500
    The factory electric trailer brake controller wires on a 1998 Dodge Ram 2500 are as follows: Power - Red/Orange Ground - Black/Orange Stop Light - White/Tan Brake Output - Light Blue For a brake controller, I recommend using the Tekonsha Voyager Trailer Brake Controller part # 39510. It sounds like the previous owner of your truck may have cut off the old brake controller port so you are also going to want to use the Replacement Brake Control Plug-In Harness for Tekonsha and Draw-Tite...
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    It is possible that either the connection to the brake switch is no longer good enough to provide an adequate signal to the brake controller and a new connection will need to be made, or there is a short or possibly a bad ground causing the problem. You may want to also check the stoplight fuse. A blown fuse will not allow the signal to get through and the brake controller will not know you are stepping on the brakes. You can find the fuse by checking your owners manual which should have...
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    On the 2011 Ford F-250 Super Duty, the brake controller port is located behind the center dashboard access panel on the passenger's side. One end of the # 3034-P adapter will plug into the back of the brake controller and the other end plugs into the brake controller port on your vehicle. If your vehicle has the factory 7-Way connector on the rear of your vehicle, then all of the wires for the brake controller have already been run. If you have a factory 4-Way connector on your vehicle...
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  • Troubleshooting Vehicle that Won't Start After Brake Controller Install
    Without knowing what truck you have it's hard for me to know if you have the correct harness. I will say that the problems you are describing are unlike any problems we have ever seen from installing a brake controller. If removing the brake controller makes the problems go away then I would strongly recommend you do so until you figure out why this problem is occurring. Make sure you have your truck shifted into park or neutral before you attempt to start it. You may have moved the shifter...
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  • How to Find the Brake Wire on a 2001 Toyota Tacoma for Brake Controller Install
    When we installed a brake controller in a very similar Toyota Tacoma as your (see attached install video), we found that the correct wire to use for the stoplight switch was dark green wire with a white stripe. You should still test this wire for voltage with the circuit tester to verify it is the correct one. But this would be an excellent starting point.
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  • Moving a Tekonsha Voyager Electric Brake Controller From a 2004 Chevy Silverado to a 2009 GMC Sierra
    Your 2004 Chevy included a connector under the dashboard to plug in an electric brake controller. Unfortunately, GM went away with this feature in all of their trucks for the 2007 to 2014 generation. So there isn't an easy plug and play harness available and you need to hardwire in the Tekonsha Voyager, part # 39510. Luckily, the wires to connect the controller to are all run to the cab of the truck. If you need wiring you can use part # 20127 for a harness to hardwire in. The wires...
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  • What To Do if an RV Dealership Installs a Brake Controller Incorrectly and Damages Cruise Control
    It sounds like the RV dealership that installed your Tekonsha Voyager Brake Controller part # 39510 did not install the controller correctly initially, and even though he attempted to rewire the controller the damage was done to your vehicle and now you have lost cruise control. I would recommend having the mechanic look at the circuits like you are doing, and then once they confirm that the initial install of the controller screwed up your cruise control circuit I would go back to the...
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  • Casita Travel Trailer With Repeated Issues On Left Side Of Axle Only
    Hello Paul. It sounds like you have an axle, or axle mounts that are out of alignment. That is really the only explanation since the issue has been reoccurring even after several replacements. I wonder if the 1st axle sustained damage of some sort which bent the mounts. This would explain the bearings overheating also. At this point I suggest you take your camper to a shop and have them check the alignment of the axles and the mounts.
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  • Troubleshooting A Tekonsha Voyager Brake Controller That Isn't Sensing The Trailer
    Hi Howard, Typically if the Tekonsha Voyager Trailer Brake Controller # 39510 isn't detecting the trailer it's just an issue with the trailer connectors not making a solid connection. Check the pins on your trailer connector to see if they're corroded, damaged, bent, or dirty. A lot of the time the pins get bent back from connecting to the 7-way socket on the vehicle over and over and just need to be bent back into place with a thin flathead screwdriver so that they contact the pins in...
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  • How to Adjust the Tekonsha Voyager for 35 foot 5th Wheel Trailer
    When you are setting up the braking power for the Tekonsha Voyager # 39510 you want to start off by setting the power (power knob is on the side of the controller) to the 12 o'clock position. With your trailer and truck fully loaded go ahead and drive on dry level pavement at 25 mph and then apply the manual override slide knob (found on the front). You can then adjust the power settings for this controller accordingly. I am attaching a review video for the Tekonsha Voyager as well as...
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    It sounds like you will need to make some connections under the hood to make everything fully functional and get power to the brake controller. Wiring harness # 3015-P is correct for your 2005 Chevy Silverado and it sounds like you have all the wires in the right place in it so it must be the connections under the hood. I have included a link to our help article that explains the connections under the hood, among other things, to get everything on the truck working. Specifically you will...
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  • Tekonsha Voyager Brake Controller Not Activating Trailer Brakes When Brake Pedal Is Pressed
    Yes, we can help you test your brake controller and determine if the controller is bad or if there is a wiring issue that is causing the problem on your 2003 Ford F-250 pickup. Lets start with the easiest things first. Be sure that when you are testing the trailer brakes with the brake pedal that the vehicle is moving. The trailer brakes will not apply with the brake pedal if the vehicle is not moving because of the proportional sensor. The first thing I would check is the red wire that...
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  • Which Harness to Install Tekonsha Voyager in 2019 Ram 1500 Classic
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  • Brake Controller Install On 2019 Mercedes-Benz Sprinter 2500 Without Green Plug Under the Seat
    As long as your 2019 Mercedes-Benz Sprinter 2500 has a factory plugin connection point for the adapter part # 3063-P you will not need to make any modifications to the adapter, it will plug right in into the factory plug and the other end to a Tekonsha, TrailerMate or Draw-Tite brake controller. The plug that the harness will use is located under the driver seat. It is a green four pin plug which can be seen in the attached photo. If you do not have this factory plug then the green plug...
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  • Brake Controller and Install Harness for 2022 Mercedes Sprinter RV
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  • Trailer Break Control Installation for Tekonsha Prodigy P3 on 2019 Mercedes-Benz Sprinter 3500
    According to my research, if your 2019 Mercedes-Benz Sprinter 3500 came with a factory 7-way trailer connector you will have the brake controller connector pre-wired. This pre-wired connector should be under the driver side seat which you can see in the attached photo. The connector is green with four pins inside. Once you locate this connector you can install the Tekonsha Prodigy P3 Trailer Brake Controller part # 90195 using the Tekonsha Custom Wiring Adapter for Trailer Brake Controllers...
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  • Is There Difference Between Prodigy Brake Controller Part Numbers 90885C and 3063-9/3063-4
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    view full answer...
  • How To Install a Brake Controller on 2017 Mercedes-Benz Sprinter 3500
    You can hard-wire in a brake controller, and it seems that there are not a lot of the Sprinter 3500 models that are pre-wired, at least from what I've seen in my research. I have not seen any reports that this isn't possible, and we even have an installation video to walk you through the process. The way to find out whether or not the plug is present by using a circuit tester like the # PTW2993 and testing for a hot wire when the brake is pressed- it's possible that one of the plugs that...
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  • Where is Brake Controller Install Connector on 2020 Mercedes Benz Sprinter 3500
    Your 2020 Mercedes Benz Sprinter 3500 with the factory tow package does have a brake controller install port like what the part # 3063-P is designed to plug in to. On your Sprinter you will find the harness underneath the driver seat. It will be a green connector you are looking for like what you see in the attached picture. Then for a brake controller the Brake EVN # TK63VR would be a really great option that is very reliable and performs great.
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  • Can Redarc Tow Pro Elite Brake Controller Fit 2014 Mercedes Sprinter
    Yes the Redarc Tow Pro Elite Brake Controller part # RED44FR will work great in your 2014 Mercedes Sprinter. The install harness you'd need is the part # 3063-P which plugs in under the dash and you'd be set.
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  • Are There Instructions To Route Tekonsha Brake Controller Harness On Mercedes Sprinter 2500
    The Tekonsha Custom Wiring Adapter for Trailer Brake Controllers part # 3063-P which is a fit for a Tekonsha Trailer Brake Controller like the Prodigy P3 part # 90195 on a 2018 Tiffin Wayfarer Motorhome with Mercedes-Benz Sprinter 2500 Chassis does indeed plug-in under the seat. In order to route the harness up to the dash where you would ideally be mounting the brake controller you'd need to find a path free from moving components. That said, the manufacturer does not provide exact instructions...
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  • Length of Brake Controller Adapter 3030-P
    The # 3063-P harness is 5 feet long so you won't have an issue installing your controller 3-1/2 feet from the connector under your dash.
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  • Parts Needed to Install Brake Controller on 2019 Mercedes-Benz Sprinter 2500 With 7-Way
    Since your 2019 Mercedes-Benz Sprinter 2500 has the factory 7-way, that means you'll have the factory tow package, so I assume by "wiring" you are referring to the wiring adapter needed to plug into the brake controller (it will plug into the green port under your driver's seat as in the accompanying photo). The correct part for your '19 Sprinter 2500 is the Tekonsha Custom Wiring Adapter # 3063-P. Then for a brake controller that works with that adapter, there are a couple options I...
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  • Harness To Install Redarc Tow Pro Elite in 2021 and 2008 Sprinter
    To install a Redarc Tow Pro Elite part # RED63RR on your 2021 Sprinter requires the install harness part # 3030-P which at this moment is on back order. For a 2008 Sprinter the correct harness instead is the part # 3063-P.
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  • Parts Needed to Install Brake Controller in 2023 Sprinter
    I checked with Tekonsha and a few other brake controller manufacturers and they state that your 2024 Mercedes Sprinter 3500 does not have an OEM brake controller install port under the dash like previous models so you would have to hardwire in the Prodigy P2 # 90885 with the universal install harness it comes with and the brake controller install kit part # 5506 which wires to the OEM 7-way you have.
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  • Brake Controller Solution for 2023 Mercedes Metris
    We do have the brake controller solution you are looking for your 2023 Mercedes Metris. The install harness part # 3063-P will connect to your factory brake controller wiring and will let you install a Redarc brake controller like the Redarc Tow Pro Liberty part # RED24FR. This is a really nice brake controller that only puts a small knob on the dash and performs really well.
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  • Where is the Trailer Brake Controller Plug on a 2020 Mercedes-Benz Metris
    The trailer brake controller plug on a 2020 Mercedes-Benz Metris is located on the driver side behind the center console, under the sound deadening mat in the top left of the passenger footwell. I have attached a photo of this as well. I recommend using the Tekonsha Prodigy P3 Trailer Brake Controller part # 90195 with Tekonsha Custom Wiring Adapter for Trailer Brake Controllers part # 3063-P which makes for a plug-in-play install. If you don't want to do all the work finding the connector...
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  • Is There a Plug and Play Brake Controller Installation Harness for 2019 MB Sprinter 3500
    I may have a solution for you to install a different brake controller using a plug and play harness to avoid hard-wiring, but Curt does not have a brake controller adapter plug for the 2019 Mercedes Benz Sprinter 3500. If you wanted to use the Curt Spectrum # C51170 then you'd need to hard-wire it into the vehicle. However there is a comparable brake controller to the Spectrum that does have a plug and play adapter with the RedArc Tow Pro Elite # RED44FR, which can use the Tekonsha adapter...
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Info for this part was:

Employee Lindsey S
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Video Edited:
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Employee Wilson B
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Employee Amanda K
Updated by:
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Employee Sabrina W
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