bing tracking image
  1. Trailer Brake Controller
  2. CURT
  3. Electric
  4. Proportional Controller
  5. Up to 4 Axles
  6. Under-Dash
THIS ITEM IS NOT A FIT FOR
2016 Keystone Laredo Fifth Wheel
CURT

Curt TriFlex NEXT Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Proportional

Part Number: C59QV
In Stock
ChristmasTree SantaHat Arrives before Christmas SantaHat ChristmasTree
$135.95
Trailer Brake Controller
Not Confirmed to Fit

2016 Keystone Laredo Fifth Wheel

Will this fit?

To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.

zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

In Use/Installed

This compact brake controller fits nicely in your cab. It's designed to mount flush to the dash and is only 1" thick. The controls are simple, the LED display is large and bright, and the manual override is easy to reach in a pinch. Great Prices for the best trailer brake controller from CURT. Curt TriFlex NEXT Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Proportional part number C59QV can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
  • All Info
  • Reviews (913)
  • Q & A (0)
  • Videos (3)
  • Photos

CURT Trailer Brake Controller - C59QV

  • Electric
  • Proportional Controller
  • Up to 4 Axles
  • CURT
  • Under-Dash
  • Plug-In
  • Under-Dash Box
  • Single Trailer Only
  • LCD Display

This compact brake controller fits nicely in your cab. It's designed to mount flush to the dash and is only 1" thick. The controls are simple, the LED display is large and bright, and the manual override is easy to reach in a pinch.


Features:

  • Activates trailer brakes in proportion to your vehicle's braking
    • Automatically adjusts trailer's braking based on deceleration of tow vehicle
    • Automatically increases power when going downhill and decreases when going uphill
  • Shows you braking and sensitivity settings and error codes on a simple LED display
  • Uses rocker switches to set settings
  • Activates manual override with pinch-trigger
  • Protects your vehicle, trailer, and controller
    • Runs continuous diagnostic checks
    • Minimizes drain on car battery with sleep mode
    • Keeps trailer brakes from overheating by reducing power output during prolonged stops
    • Defends brake controller and trailer breakaway systems against shorts
    • Prevents positive and negative power reversal with built-in polarity protection
  • Mounts at any angle
    • Automatic leveling
    • Mounting bracket and hardware included
  • Plugs right in with custom-fit harness


Specs:

  • Application: trailers with up to 4 axles (8 brake assemblies)
    • Compatible with electric trailer brakes
    • Compatible with ABS brakes, cruise control, low-voltage wiring, multiplex wiring, and PWM systems
  • Dimensions: 4" long x 3-1/8" wide x 1" tall
  • Warranty:
    • Limited lifetime on brake controller
    • Limited 1-year on wiring harness


Gain and Load Adjustment

Curt TriFlex NEXT

Gain is the maximum amount of power that will be applied to your trailer's brakes. How much braking output you need is determined by the weight of your trailer; a heavier trailer will need more power to bring it to a stop. You want to go as high as you can without the trailer brakes locking up. Use the gray rocker switch to adjust the gain on a scale of 0.5 to 9.9 in increments of 0.5.


Once you have the gain set, you can fine-tune your braking by adjusting the load control on a scale of 1 to 9 using the black rocker switch. This controls the aggressiveness of your trailer's braking, meaning how quickly the brakes reach the maximum braking level. If your vehicle takes too long to come to a stop, increase the setting. If it stops too abruptly, decrease the setting.


LED Display

The LED display on the TriFlex is large and easy to read at a glance. You can adjust the brightness or trigger night mode so it won't glare obnoxiously on your dash. It also will give you error messages you can use to troubleshoot.


Curt Discovery NEXT troubleshoot

Safety Features

The TriFlex offers key safety features to prevent damage to various components of your towing setup. This starts with built-in protection against shorts and positive and negative power reversal, as well as continous diagnostic checks to alert you to any potential problems as they come up. To minimize the drain on your vehicle's battery, the TriFlex will automatically go into sleep mode after 5 minutes of inactivity. Sleep mode will turn off again the moment you press the brake pedal.


Installation

Automatic leveling means your mounting options are limitless, so long as you can still easily access the controller and the manual override. The included bracket is designed to mount the brake controller flush to the dash so it takes up almost no space at all.


The included custom-fit adapter plugs into the port on your vehicle's built-in brake control wiring harness, which you'll find underneath the dash, to the left of the steering column, taped to another harness near the emergency brake pedal. Once you're plugged into the factory port, just plug the other end of the adapter into the TriFlex. No hardwiring needed!


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 control installation kit (ETBC7 - sold separately).


What is Proportional Braking?

What is proportional Braking

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 TriFlex uses an internal 3-axis accelerometer 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.



51146 Curt Tri-Flex NEXT Proportional Trailer Brake Control

Replaces Curt 51140

51453 Curt Quick Plug Brake Control Adaptor Harness

Installation Details C59QV Installation instructionsAlternate Instructions C59QV Installation instructions


California residents: click here


Video of Curt TriFlex NEXT 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 What to Know About the Curt TriFlex NEXT Trailer Brake Controller

Hi there, I'm Michael with etrailer.com. Today we're gonna take a quick look at this Curt Triflex Next Trailer Brake Controller. So if you have electric brakes or electric over hydraulic brakes, you're probably already aware that without a brake controller your trailer's brakes won't activate. So they're really not doing you any good. So you are gonna need to have a brake controller. Basically what a brake controller does is when you apply the brakes in your tow vehicle it's gonna send a signal through your brake switch to your brake controller.

The brake controller is then going to send an electrical signal out to your trailer's brakes so that they apply and help to slow down your trailer. There are several different kinds of brake controllers. There's different basic technologies and that sort of thing. Really your two main categories are you have a time delayed set up or you have a proportional setup. So with your time delay, essentially you set how much power you want applied to your brakes and then no matter if you're just tapping your brakes or really slamming on them in an emergency sort of situation, it's going to apply that same preset power each time.

So there are some downsides to that. It doesn't give you as much control. It can be a little aggressive sometimes when you don't need it to be. But then with your proportional setup it is going to apply your trailer's brakes with the same intensity as your tow vehicle's brakes. So if you're just lightly tapping on the brakes it's just going to lightly apply your trailer's brakes.

So proportional systems like this one are definitely my preference. I think they're a little bit more, give a little bit more finesse to your performance. There are some downsides to these. Typically, they are gonna be a little bit more expensive then your time delayed systems just because they do have more components to them. They've got an accelerometer in there that's going to sense the inertia of your movement so that it can apply the brakes proportionally for you.

And then another downside is typically because it does have that inertia sensor in there, or an accelerometer, it's going to have to be mounted in certain configurations to follow your direction of travel. And that's one benefit to this particular model is that it doesn't have to be mounted in any particular configuration. So you can basically mount it wherever you want. So definitely a benefit to this one over even other proportional systems. So for this model specifically, it does have the LED display that's going to show the amount of power output. You can adjust that with your rocker switches here. So very easy to access those. That's going to allow you to adjust between 10 different gain settings. So you can adjust the amount of braking power to suit your performance, the road conditions, the type of trailer you're towing, and the weight of your load. If you select a higher setting for a harder braking and a lower setting for more gradual braking, you do wanna make sure when you're getting that set up a good rule of thumb is to go just shy of where your trailer's brakes lock up. So test it out a few times. As you're going down the road you don't want your trailer's brakes to lock up. So get to that point and then come down just a little bit to get that fine tune where you need it to be. And then typically your gain is only gonna have to be readjusted when you're experiencing changing road conditions or if the weight of your trailer changes. So if you drop off your trailer load and you're needing to you probably need to adjust that gain there. It also gives you nine different load settings so that you can adjust how quickly the brakes will reach their maximum braking level. So if your vehicle takes too long to come to a stop, good idea to increase your setting by pressing the upper rocker switch. And then if it's stopping too abruptly you can decrease the settings as well. So you kind of fine tune it to your preference. We also have the pinch trigger manual override here. So that's within very easy reach, very simple to operate. What that's gonna do is allow you to apply your trailer's brakes without having to apply the brakes in your tow vehicle. So say for instance, if your trailer starts swaying you don't really need to slow down your whole setup you just need to apply the brakes in your trailer to kind of bring that back in line. So you can just push in on that trigger switch there and that will apply your brakes in your trailer without having to apply the brakes in your tow vehicle. This does have several different integrated safeguards to help protect your vehicle, the trailer, and the controller itself. It's going to run continuous diagnostic checks to alert you to any potential problems. It will help to minimize drain on your car battery by entering sleep mode. After about five minutes of inactivity it's gonna help keep your trailer's brakes from overheating by reducing power output when you're sitting for prolonged periods or prolonged stops. So if you're in traffic or something like that it's gonna help decrease the power so your brakes don't overheat. It's also going to defend the brake controller and trailer brake away system against any shorts and prevent positive and negative power reversal with its built-in polarity protection. This is gonna be very quick and easy to get installed. Again because you're not having to worry about the orientation, you can basically just get it mounted wherever it's gonna be most convenient for you to reach and access those controls. They've got this mounting bracket here. As you can see we'll just use the included hardware to get this mounted in place. And then basically our controller just slides onto that so it can be mounted flush with your dash. So very convenient to get that mounted. When you're considering where you can mount this, give you a few measurements here. You can see it is right about three we'll call it three and one eighth of an inch wide. Our length, we're right about four inches long. And our height approximately one inch overall. So keep that in mind and when you're deciding where you can get this mounted. Now as far as wiring goes, that's gonna completely depend on your setup. So there are some vehicles that already have a plug pre-installed from the factory that will allow you to just plug this right in there. If you don't have that on your vehicle, there are some kits available that will allow you to make that installation process pretty simple. But they are very vehicle specific. So I'd encourage you to use our vehicle fit guide here at etrailer.com. You'll select your year, make, and model of your vehicle. We'll let you know which products are confirmed to fit with your vehicle. So that's another route to go. If your vehicle isn't already pre-wired with a plug then I would recommend that. Otherwise, it is gonna take a little bit of doing to get this installed. If you don't already have a seven way plug at the back of your vehicle, I would highly recommend using our ETBC seven plug that's gonna provide wiring and everything to get you set up so that you've got that connection so that your trailer can connect to your vehicle. But overall, a really great option here. Like I said, I really like the proportional system. The way this is going to allow your trailer's brakes to be applied at the same intensity as your tow vehicle. I like that this model gives you that option to have more versatility and where you get it mounted. And so overall, I think this is gonna be a great way to go if you are needing a brake controller for your trailer's brakes. And that completes our look for today. Again, I'm Michael with etrailer.com. Thanks for watching.

Ratings & Reviews

4.7

910 reviews
This compact brake controller fits nicely in your cab. It's designed to mount flush to the dash and is only 1" thick. The controls are simple, the LED display is large and bright, and the manual override is easy to reach in a pinch.

by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:



by:


25
944
Show More Reviews

See what our Experts say about this CURT Trailer Brake Controller

  • How Does Curt TriFlex NEXT Brake Controller Mount
    You're right, the mounting bracket is unique (in a good way) for the Curt TriFlex NEXT Trailer Brake Controller # C24VV. The bracket is smaller and all you do is put the included adhesive tape on the bracket and stick it wherever you like under your dash. Screws are also included and you can use them with the adhesive to mount the bracket under your dash. Then you'll simply slide in the TriFlex NEXT controller and that's it. This type of bracket takes up less space than the normal U-shaped...
    view full answer...
    Image 1 for Image 2 for
  • Hitch, Weight Distribution and Brake Controller Recommendations for a 2017 Toyota Sienna XLE
    We can get you everything you need for towing with your 2017 Toyota Sienna XLE. By plastic shield, I believe you are referring to the appearance panel underneath the Sienna, and that will have to trimmed a bit in each of the hitches available for the vehicle. A great Class III hitch would be the Curt # C13105, which is rated for weight distribution and has been given a nearly 5-star review on our site by the over 500 customers that have rated it. As for a brake controller, the wireless...
    view full answer...
    Image 1 for Image 2 for Image 3 for Image 4 for
  • Troubleshooting Curt Triflex Brake Controller Showing OL Code on Display
    The Curt Triflex brake controller is known to have more problems than other brake controllers so I would not rule out the problem being the controller. Testing the brake controller is fairly easy. Sever the blue brake output wire near the brake controller leaving enough room to reconnect it and then apply the manual slide. Using a circuit tester like the Quickee Tester, part # PTW2993, you should get output to the controller side of the wire you severed. If the manual slide activates...
    view full answer...
  • Brake Controller Installation on my 2017 Audi Q7
    With the Curt Triflex part # C24VV and the Curt Adapter part # C51522 you will have all you need to successfully install your controller. I have linked a video for you showing the operation of the controller. Check it out to familiarize yourself with it.
    view full answer...
  • How to Reset Curt Triflex Brake Controller
    Try unplugging the brake controller for 10 seconds or so and then replugging it in. Sometimes brake controllers like the part # C24VV just need to be reset and this is the corret way to do that.
    view full answer...
  • Recommended Weight Distribution System for a Keystone Springdale Mini RV
    Hey Jacobus glad you asked your question and congrats on the new RV! You are going to be way overrated if you use a 1,500 lbs or 1,000 lbs tongue weight rated weight distribution system. Bigger in this situation is definitely not going to be better. If you run that high of a capacity system you'll have an extremely ridged and uncomfortable ride. Plus there's potential to damage your trailer's frame. For your Keystone Springdale Mini RV, I recommend the Equal-i-zer Weight Distribution...
    view full answer...
  • Troubleshooting Curt Brake Controller that Rests When Brakes are Released
    So the controller resets every time you apply and release the brakes? You might check to make sure you made all the connections correctly when you wired it to the correct functions. Most likely it sounds like there's an issue with the red and black wires of the controller. The black wire of the controller needs to run to a power source that is hot all the time and the red wire needs to run to the stoplight circuit. Now all of that said the TriFlex is known to be prone to internal problems...
    view full answer...
  • Troubleshooting Brake Controller with OL Code when Brakes are Applied
    If you check out the attached instructions for the Curt TriFlex Trailer Brake Controller # C24VV you can see that the OL code you are getting means that there is an "Overloaded output circuit, trailer brake system fault". Whichever controller you have the problem and solution is the same. You have a short on your brake signal circuit from your brake controller to your trailer brakes which is causing too much power draw. Check both the tow vehicle and trailer connectors and make sure...
    view full answer...
    Image 1 for Image 2 for
  • LED Display of Curt TriFlex # C24VV Brake Controller Remains Illuminated When Vehicle is Shut Off
    Because it's connected to a constant 12-volt power source, the LED you mention will remain illuminated after the vehicle is shut off. This is normal, and does not indicate a problem of any kind. After 15 or so minutes of inactivity, the brake controller goes into a 'sleep' mode, and will reactivate next time the brake pedal is pressed. The LED only draws a few milliamps of power, which would only drain the battery if the vehicle sat unused for months. You could certainly unplug the controller...
    view full answer...
  • Location of Brake Controller Connector on a 2014 Toyota Tundra
    I believe that the photo you sent in is of the OBD-II port on your 2014 Toyota Tundra. This is useful if your vehicle is throwing codes but it is not used for the brake controller. As long as your Tundra has the factory 7-Way at the rear of the truck then the Wiring Adapter # C51362 is the correct part for you to install the Curt TriFlex Trailer Brake Controller # C51140. Try looking to your left behind the side kick panel next to your emergency brake pedal. I have attached both a photo...
    view full answer...
    Image 1 for Image 2 for
  • Will Curt Triflex Brake Controller Cause Battery Drain
    Hey Christa, so the Curt Triflex part # C24VV shouldn't be draining your battery since it should be going into a sleep mode when not in use. To cut power to it you would need to unplug it at the rear of the controller. There isn't a master power switch for it as that would cause it to lose settings.
    view full answer...
  • Troubleshooting "Short" Error Message On Curt TriFlex NEXT C24VV
    Hello Kevin, thanks for reaching out. It sounds like you have already done the most helpful troubleshooting step by hooking up another controller and verifying that everything works fine. This eliminates the trailer wiring as a potential cause of the issue and it also eliminates the truck as a culprit as well. That really leaves us with the controller as the cause of the issue, more specifically an internal short. You can try cutting the blue wire coming from the controller at least 6"...
    view full answer...
  • Troubleshooting Curt Triflex Brake Controller that Flashes that a Trailer is Connected
    The Triflex # C24VV sometimes does need to be reset occasionally. Try unplugging it and plugging it back in after a few seconds and it should work again. Otherwise you have a short between the black wire and the red wire and your controller therefore is thinking you have the brakes all the time. If you can check the connections between the two circuits there might be exposed wire between the two and that's why you are seeing the issue. I also attached a help article on troubleshooting...
    view full answer...
  • Will Curt TriFlex NEXT Controller and Wiring Adapter Fit a 2022 Genesis GV70?
    Hey Anthony, thanks for reaching out! The Curt TriFlex NEXT Trailer Brake Controller #C24VV and Curt Adapter # C77BR will fit your 2022 Genesis GV70 just fine. The only way a Tekonsha adapter will work is if you cut off the connector for the controller side and splice it into the wiring for the brake controller. So, while the adapter might cost a little less, it kind of defeats the purpose of the plug-in adapter anyways so it would be better just to use the Curt adapter. Do you already...
    view full answer...
  • How Much Can a 2004 Chevrolet Trailblazer with V6 Tow
    The towing capacity of your 2004 Chevrolet Trailblazer can vary from 4,800 lbs to 6,200 lbs depending on drive type and axle ratio. If you can provide these then I can give you an exact towing capacity or you can refer to page 4-55 of your owner's manual. The weight of the car and trailer cannot exceed that of your vehicle's towing capacity. If you are able to tow your car and trailer with the Trailblazer then you will need a trailer wiring harness and brake controller if the trailer...
    view full answer...
  • Curt C24VV Brake Controller Troubleshooting Reading Voltage Numbers without Trailer
    Most likely it's just corrosion on the trailer wiring connector confusing your TriFlex part # C24VV into thinking that a trailer is connected so first try cleaning that. If not this controller is prone to internal bugs so you might try unplugging it and plugging it back in to reset it.
    view full answer...
  • Troubleshooting Curt TriFlex Brake Controller that Flashes 1.0 With No Trailer Connection
    This is a common issue when there is corrosion built up on the brake output pin of the 7-way. What this does is cause the controller to sense a slight amperage draw which confuses it into thinking a trailer is connected. The other thing you can try is unplugging the controller and plugging it back in. Sometimes the Curt controllers just need to have a hard reset to function normally.
    view full answer...
  • How to Install the Curt Triflex Brake Controller in a 2019 Toyota Highlander
    Hey Greg! We hear that quite often about U-Haul. The Hopkins 47185 is almost identical to our item # HM47180, so if they installed it correctly you should have a blue wire ran into your 2019 Toyota Highlander's cab. If not you'll need to use item # 12-2-1 because it's what sends the signal from the brake controller to your 7-way connector. If they just dead-ended the wire at the 7-way, I would go back and complain personally. There is no brake controller adapter in the 2019 Toyota Highlander,...
    view full answer...
  • What Problems Does the Curt Triflex Brake Controller Have with 7-Ways With LED Test Lights
    What happens is that the load that LED puts on the brake output circuit tricks the brake controller into thinking that there is a trailer connected and the brake controller will start activating regardless if there is a trailer connected or not. Technically it would work just fine with a trailer, its just that it will always activate regardless if there is a trailer back there or not. I attached installation instructions and an install video for you to check out also.
    view full answer...
  • Parts Needed to Install a Trailer Brake Controller on a 2009 Audi Q7
    If your 2009 Audi Q7 does not have a factory trailer connector at the rear of the vehicle then you will need to install both the ZCI Circuit Protected Vehicle Wiring Harness w/ 4-Pole Flat Trailer Connector and Installation Kit part # 119250KIT and the Universal Installation Kit for Trailer Brake Controller part # ETBC7 in order for a brake controller to work. Trailer brake controllers are universal and can be adapted to fit any vehicle with the correct wiring harness. The correct wiring...
    view full answer...
  • What is Required to Install a Brake Controller in 2019 Toyota Highlander With 4-Way
    Since you have a 4-way in your 2019 Toyota Highlander you can install a brake controller like the Curt TriFlex Trailer Brake Controller # C24VV with Wiring Adapter # C51515 so long as you use the Universal Installation Kit for Trailer Brake Controller # ETBC7. This has a 7-way to 4-way adapter but that alone isn't enough to install a break controller. This kit also includes the necessary circuit breakers, wire and additional hardware you will need to install a brake controller. I have...
    view full answer...
  • Troubleshooting Curt TriFlex Brake Controller Not Showing Activation
    On your Curt TriFlex Trailer Brake Controller # C24VV, the decimal point as you put it is standby mode with no trailer connected. The blank screen is also standby mode and that screen is what is seen when simply starting the vehicle, but that screen should illuminate when you press the manual override or show the decimal point when you hit the brake pedal only while moving since it is a proportional controller. If it does not operate under those criteria, then you will need to have the...
    view full answer...
    Image 1 for
  • How Can I Be Sure My Curt Triflex Brake Controller Is Working Worrectly
    Hello Dan, I can definitely help with this. It is completely normal for the Curt TriFlex brake Controller # C24VV to show the current gain setting when the brakes are applied, or when the manual override is pressed. It sounds like you have the gain currently set at 9.7 which is why you are seeing this number flash on the display. So, it sounds like it is working correctly and there is no problem with the controller. I suggest trying to turn the gain down. This way you can be 100% sure...
    view full answer...
  • Brake Controller with Plug-In Adapter for 2020 Ram 1500 With Tow Package
    There are absolutely plug-in wiring adapters for a brake controller for your 2020 Ram 1500, and what you can use is the Curt Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In # C51458 Then for a brake controller that doesn't take up a lot of space use the Curt TriFlex NEXT Trailer Brake Controller # C24VV.
    view full answer...
    Image 1 for Image 2 for
  • Installing Brake Controller in 2014 Ram 2500 in Place of Factory Brake Controller
    Installing a brake controller in place of the factory controller in your 2014 Ram 2500 really depends on the controller you want to install. For example, if you use the fantastic Curt Echo Mobile Trailer Brake Controller # C51180 you only need to plug it into your 7-way and you're done - the controller is ready to use and your factory controller will no longer be responsive. All you need with the Echo is a smartphone; just download its app to set up the brake controller and that's it. Otherwise,...
    view full answer...
  • Trailer Brakes Lock Up No matter What Setting is On the Brake Controller in a 2014 Ram
    Usually when electric trailer brakes lock up it is because the brake pin on the trailer side connector is getting constant power. If you are using a 6-Way trailer connector or a 7-Way to 6-Way adapter then the likely cause is that the 12 volt circuit and the brake output circuit are switched. This switch happens because there are 2 ways a 6-Way can be pinned out. The center pin will either be 12 volt power or electric brake output. If you are using a 6-Way or adapter for a 6-Way all you...
    view full answer...
  • Which Curt Brake Controller Harness Fits a 2015 Ram
    Part of the problem is the harness you are using is the incorrect one. You would need the part # C51458 for your 2015 Ram 1500 and not the # C51453. The correct harness for your does not have the extra wire that you are mentioning since your truck does not require it.
    view full answer...
  • Brake Controller Wiring Harness for Curt Brake Controller and 2014 Ram 1500
    There is a special brake controller wiring harness required by the 2014 Ram 1500. It plugs into 2 places instead of just one like other trucks. It isn't a diode issue just an issue that where a controller plugs in the proper signal needed by the brake controller isn't present. So manufacturers determine where that signal can be obtained and developed new harnesses that plug in at 2 locations. For the Curt Reflex you would need wiring harness # C51453 for your 2014 Ram. I have linked a...
    view full answer...
  • Compatibility of Curt C24VV TriFlex Brake Controller w/ Electric Over Hydraulic Braking Systems
    It sure will, the Curt # C24VV TriFlex Brake Controller is indeed compatible with electric over hydraulic brake actuators. You will also need the # C51453 brake controller wiring harness. I'll link you to the instructions for the # C51453 wiring harness that shows the location of the plugs under the dash of your Ram.
    view full answer...
  • Can the Curt Discovery Brake Controller # C51120 be Installed in a 2014 Ram 1500
    I spoke with Curt and they informed me that you can use the Curt Discovery Brake Controller part # C84VV in your 2014 Ram 1500 Laramie as long as you use the install harness part # C51453. It sounds like someone removed the connector from the end of your brake controller wiring, what you would need to do to wire up your controller to the # C51453 would be to cut off the black connector on the harness and match the wires up color for color.
    view full answer...
  • Will Installing Brake Controller Void Warranty On 2014 Ram 1500
    There should not be any warranty issues with your 2014 Ram 1500 when installing a brake controller. If a brake controller is properly installed and set up, it will actually save wear and tear on the truck when towing. If you decide you want to install a brake controller like the Curt Venturer, part # C74VV, I highly recommend installing the Curt Custom Wiring Adapter, part # C51453. This makes installing the brake controller very simple. You just plug one end into the back of the brake...
    view full answer...
  • Adding a 7-Way and Trailer Brake Controller to a 2017 Subaru Outback with Factory Trailer Connector
    You can add a brake controller to your 2017 Subaru Outback but there isn't a plug-in harness to do so. To activate the trailer brakes your Outback and trailer will need to have 7-Way trailer connectors. On the vehicle side you are only doing some hardwiring and you will use the existing 4-Way connector on the vehicle to do some of the installation. What you will need on the vehicle side is installation kit # ETBC7 and a brake controller. I recommend the P2 # 90885 because it is easy to...
    view full answer...
  • Install Harness for Curt Brake Controller in 2013 Ram 1500
    To install the Curt Venturer part # C74VV in your 2013 Ram 1500 the correct install harness WOULD be the part # C51453 BUT your vehicle can't have this style of time delayed controller due to the the wiring of your vehicle. So you'd have to go with a proportional controller like the TriFlex part # C24VV. The 2013 Ram 1500 has "Powernet" and utilizes multiplex wiring that is different from previous models. Although the brake control connector is physically the same as the 2010-2012, the...
    view full answer...
  • Correct Brake Controller Plug for Curt Brake Controller on 2013 Dodge Ram
    If you have a Curt trailer brake controller like the Curt TriFlex Trailer Brake Controller part # C24VV then you'll use the Curt Custom Wiring Adapter for Trailer Brake Controllers part # C51453 to install this on your 2013 Dodge Ram which offers a direct plug-in installation.
    view full answer...
  • How Does Curt Ventrer Brake Controller C74VV Connect Using Harness # 51453
    The Curt wiring adapter # C51453 is vehicle-specific and is used to connect a Curt brake controller like their Venturer # C74VV into a compatible Dodge Ram. In such an installation the black connectors from the controller and harness join together and the grey connectors on the harness will plug in to the under-dash port on the truck. If you were to want to hardwire the Reflex into just about any vehicle you could use the pigtail harness # C51515.
    view full answer...
  • Parts Needed to Install a Curt and Tekonsha Brake Controller in a 2014 Ram
    You do NOT have to install the Mopar brake controller in your 2014 Ram 1500, you can use an aftermarket controller like the Curt Triflex Brake Controller part # C24VV. All you would need for the installation would be the Curt Custom Wiring Adapter # C51453 that you also referenced. To see how this harness installs in your vehicle check out the installation instructions I attached. If your old controller was a Tekonsha brand the harness you would need instead is the Tekonsha Custom Wiring...
    view full answer...
  • Upgrading to Proportional Brake Controller on 2014 Ram 2500
    Neither option is going to prove particularly difficult, so you could certainly go with the Curt TriFlex # C24VV for a proportional controller since you already have wiring harness # C51453 on your 2014 Ram 2500. That said, I would highly recommend going with the Prodigy P3 # 90195; it is the most popular model we carry due to its effectiveness and ease of use. It offers three different boost levels so you can adjust your braking power, has constant diagnostic checks, contains safeguards...
    view full answer...
  • Troubleshooting Brake Controller Install that Only Works with Override Lever on Ram 1500
    When a brake controller does not work with the brake pedal but works with the manual override lever that means that there's an issue with the stoplight circuit (red wire) of the controller as this is the circuit that's needed to tell the controller that you are stopping the trailer. Typically on vehicles like your 2014 Ram 1500 that have brake controller pre-wiring and an install harness like part # C51453 is used this issue indicates that the problem is the brake light circuit on the...
    view full answer...
  • Fit of Curt Spectrum Brake Controller on 2013 Ram 2500
    The Curt # C51170 Spectrum brake controller would be an excellent choice for your 2013 Ram 2500. The control box mounts out of sight under the dash with the only visible portion being the control knob that can be installed on the dash or the center console, as long as it's in easy reach of the driver. The correct wiring harness is indeed the # C51453. I've linked you to instructions for the brake controller and the wiring harness.
    view full answer...
  • Curt Trailer Brake Controller Wiring Harness for a 2013 Ram 1500
    Yes, if you are using a Curt brand brake controller then harness # C51453 is the correct one for your 2013 Ram 1500. I have included a link to the installation instructions for you to view. If you have a different brand brake controller let me know what it is and I can recommend the proper harness.
    view full answer...
  • Are the Curt TriFlex # C24VV and Curt Adapter # C51453 a Fit for a 2014 Ram 1500 4WD 5.7 Hemi
    You have exactly what you need for installing a brake controller in your 2014 Ram 1500. Brake controllers, like your Curt TriFlex # C24VV, aren't necessarily vehicle specific, but the plug-in wiring adapter harnesses are. The correct one for your 1500 is the Curt # C51453 that you referenced. This will plug into the port under your driver side dash and allow you to easily install and remove the controller when needed.
    view full answer...
  • Brake Controller For A 2013 Ram 1500 With Factory Connector
    Yes, The Curt Echo Under-Dash Wireless Brake Controller # C27JR and The Curt Custom Wiring Adapter # C51453 are the only starting pieces that you will need for your 2013 Ram 1500. I would also recommend The Manual Override Button # C83HR. The brake controller's main unit will mount out of sight under dash giving you a clean interior. You can control the controllers braking activity directly from your phone. The user friendly mobile app saves multiple trailer profiles. I attached a review...
    view full answer...
  • Brake Controller and Install Harness Recommendation for a 2014 Ram 1500
    The Curt Plug-In Wiring Adapter # C51453 that you referenced would be the correct harness for your 2013 Dodge Ram 1500 and would work with the Curt Brake Controller # C24VV. When installed correctly there should be no fault codes on your dashboard and you should not have to worry about having anything reflashed. No diodes would be necessary either, all you would need is the # C51453 harness and the controller and you would be good. I attached an install video for you to check out as well.
    view full answer...
  • Brake Controller Wiring Harness for a Curt Brake Controller on a 2014 Ram 1500
    If you are using a Curt trailer brake controller then for your 2014 Ram 1500 you will need harness # C51453. Harness # C51322 fits Ford, Land Rover, Lincoln, and Mercury vehicles. The new Rams have a unique multiplex wiring system called Powernet. Because of this new design it requires a special brake controller harness, # C51453, which will allow the Curt brake controller to function properly.
    view full answer...
  • Needing the Brake Controller Wiring Harness for the Curt Venture Controller on a 2017 Ram 1500
    On your 2017 Ram 1500, the Curt Venture Brake Controller, # C74VV, will need to use # C51458 brake control harness to install on this truck. The harness will pug in to the brake controller's harness and the other end will connect to your Ram's wiring. The wiring harness # C51453 that you referenced was used up to the 2014 Ram 1500 and is not needed on the 2015-2017 model Rams.
    view full answer...
  • Trailer Brake Controller Applies Trailer Brakes when Headlights on 2013 Dodge Ram are Turned On
    The 2013 Dodge Ram has a unique wiring situation that requires a special wiring harness in order for the brake controller to work properly. For Curt that harness is # C51453. If you are not using the correct harness, then you would not be getting the proper brake signal when you step on the brake pedal. It sounds like the input wire to the brake controller or the output wire to the trailer brakes is somehow attached to an illumination circuit which will not work.
    view full answer...

Do you have a question about this Trailer Brake Controller?


Info for this part was:

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

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.


Product Experts Available Now!
Call 1-800-940-8924
<