Curt TriFlex NEXT Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Proportional
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Price: $164.71
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Curt TriFlex NEXT Trailer Brake Controller w/ Custom Harness - 1 to 4 Axles - Proportional
Item # C59QV
Our Price: $164.71
In Stock
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CURT Trailer Brake Controller - C59QV
- Electric
- Electric over Hydraulic
- Proportional Controller
- Up to 4 Axles
- CURT
- Under-Dash Box
- Dash Mount
- Automatic Leveling
- Up to 360 Degrees
- LCD Display
Simple and compact, this proportional brake controller has an intuitive design that's easy to use. Includes a simple digital display, 10 gain settings, a pinch-trigger manual override, and built-in safety features.
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 digital display shows you the braking and sensitivity settings as well as error codes
- Intuitive controls keep settings within easy reach
- 10 Levels of boost let you adjust initial braking power and aggressiveness for smooth, safe braking
- Pinch-trigger manual override allows you to control trailer sway or stop in emergencies
- Triple-axis, motion-sensing accelerometer provides highly responsive, smooth stops
- Automatically increases power when going downhill and decreases when going uphill
- Integrated safeguards protect your vehicle, the trailer, and the controller
- Runs continuous diagnostic checks to alert you to any potential problems
- Minimizes drain on car battery by entering sleep mode after 5 minutes of inactivity
- Keeps trailer brakes from overheating by reducing power output to them during prolonged stops
- Defends brake controller and trailer breakaway systems against shorts
- Prevents positive and negative power reversal with built-in polarity protection
- LED display shows power adjustments in 0.5 increments
- Brightness is adjustable for optimal visibility
- Compatible with ABS brakes, cruise control, low-voltage wiring, multiplex wiring, and PWM systems
- Automatic leveling lets you mount controller at any angle
- Mounting bracket and hardware included
- No complicated wiring - custom-fit harness lets you plug in and go
Specs:
- Application: trailers with up to 4 axles (8 brake assemblies)
- Compatible with electric or electric-over-hydraulic trailer brakes
- Dimensions: 4" long x 3-1/8" wide x 1" tall
- Warranty:
- Limited lifetime on brake controller
- Limited 1-year on wiring harness
LED Display
The LED display on the TriFlex is large and easy to read at a glance. It will show you what setting the brake controller is on as well as give you information for troubleshooting. You can adjust the screen brightness or trigger night mode so it won't glare obnoxiously on your dash.
To change any of the settings, press the silver mode button on the front of the brake controller and which mode you are currently on will show on the LED display. When you're on the setting you want to adjust, use the black rocker switch next to the mode button to adjust it up or down.
Gain Adjustment
Gain control lets you set the maximum amount of power that will be applied to your trailer's brakes, adjusting in increments of 0.5. 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. Typically, the gain is only readjusted when you experience changing road conditions or if the weight of your trailer changes. To get more power to your brakes, press the upper rocker switch. To decrease the gain, press the lower switch. When you make your adjustment, the gain setting will show on the LED screen for 10 seconds and then go into sleep mode.
Load Control
Once you have the gain set, you can fine-tune your braking by adjusting the load control on a scale of 1 to 9. This controls the aggressiveness of your trailer's braking, meaning how quickly the brakes reach the maximum braking level. Load control can get the braking power to your trailer faster and with more intensity so that it doesn't push your tow vehicle forward. If your vehicle takes too long to come to a stop, increase the setting by pressing the upper rocker switch. If it stops too abruptly, decrease the setting by pressing the lower switch. You can alter the setting to suit your driving preferences or to improve handling based on changing road conditions or varied trailer loads.
Pinch-Trigger Manual Override
The TriFlex comes with a easy-to-reach, pinch-trigger manual override, great for stopping sway or controlling your trailer's momentum in emergencies. To engage the manual override, just push in the trigger. This will activate the trailer's brakes and brake lights without you having to apply the brakes on your tow vehicle, perfect for limiting trailer movement while you're cruising.
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.
Quick Installation
Automatic leveling means you can mount the unit at any angle. 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, above the gas pedal, taped to another harness. Once you're plugged into your 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 controller installation kit (ETBC7 - sold separately).
Proportional Braking
The Curt TriFlex NEXT 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 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
51543 Curt Quick Plug Brake Control Adaptor Harness
Installation Details
Alternate Instructions
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 Review of CURT Trailer Brake Controller - Proportional Controller - C24VV
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.
by: Lee04/22/2024
Arrived as planed and was much smaller then my old clunky one. The custom cable harness was easy to install. Finding a flat spot to mount the controller took the longest to find the perfect spot. I gave a five stars because every was as it said. (Plug and play)
by: Thomas 05/19/2024
Excellent product. Easy install. Customer service was exceptional with real-time communications every step of the way. Highly recommend e-trailer for any of your trailering needs.
by: Craig 06/25/2024
Works great and was an easy plug and play installation.
by: Mitchell05/20/2024
Josh was excellent in listening and helping discuss my options. The trailer brake improved my driving and safety tremendously with a 14k dump trailer. Thanks, Josh.
by: Loren 05/14/2024
Excellent product, easy installation just as described. Good quality as expected from E trailer.
by: Walter06/07/2024
All the information I needed was on your site. Got the correct adapter cable and was able to just plug in the controller.
by: Chris03/29/2024
The product I ordered was not available. There was a suggestion for another product, without the full knowledge that there are multiple other products, and I was only given one choice. It is what it is, if I knew of options, I would’ve made a different choice. Not a great company in terms of knowledge and service
by: Adam 02/07/2024
The control works great. The reason for knocking off a star is that the control rattles whenever there is a vibration in the truck. While annoying, it doesn't affect the operation.
by: Dennis 02/11/2024
I have not used this device yet but I have installed it. It looks kool. I hope installation orientation doesn't matter too much.
by: Henry 03/15/2024
The service and speed of delivery has always been great, thank you E Trailer.
by: Dan 03/29/2024
Never a problem with etrailer
by: Frank 04/20/2024
Extremely easy to install and small enough to not be in the way. Works great as well….highly recommend.
by: Mike05/28/2024
Scratched screen straight out of the package/from the factory. Haven't installed yet. Super fast shipping!!
by: Craig 05/14/2024
As advertised- very easy to install!
by: Shea06/17/2024
Easy set up, great customer service!
by: Tom 04/09/2024
Was easy to install and works well.
by: Mickey 04/20/2024
Good ..except for shipping thru mail.
by: Damon 04/09/2024
Couldn’t get any easier to install. Took less than ten minutes.
by: Chris 04/05/2024
Everything got here fast, and looks to be exactly what I need. Thank you!
by: Richard 03/28/2024
I have not installed it yet, but it looks good and thank you for the fair shipping Richard
by: Bill 03/13/2024
Perfect communication and quick deliver y!
by: Tim 10/13/2023
Works good, just installed, trailer brakes smooth and as it should.
by: John 03/13/2024
Great fit works as described
by: Dave04/15/2015
Installed on a 2014 dodge ram 1500... The wires took literally 2 seconds to find under the dash, per etrailers instructional video, and took another to 2 seconds to clip on the pigtail. Hooked up the brake controller and powered up fine. Haven't got a chance to use it yet since the car hauler is about 400 ft back on the property and I got the truck stuck going back to try and get it. Its awdul muddy here in michigan in April. Hopefully some warm weather soon so I can get to it and try this controller out! I ordered it on Wednesday, did 2nd day shipping and called to insure I could receive it by Friday, the lady on the phone had them ship it, within ten minutes I had a confirmation email.
by: Domenico11/29/2023
install is a breeze!
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view full answer... - 7-Pin Wiring Harness And Brake Controller For A 2024 Hyundai Santa CruzHello Evan, I can help clear this up. The Curt T-Connector # C68JR that you mentioned is for vehicles already equipped with the factory tow package. Meaning there will be an OEM brake controller plug already present under the dash and the brake controller would simply plug right in. So, if you do have the factory tow package, you can easily install the # C68JR wiring harness. Then for example, you can use a brake controller like the Curt TriFlex # C24VV, along with the Custom Wiring Adapter...
view full answer... - Part Needed to Add 7-Way to 2011 Nissan PathfinderTo add a 7-way to your 2011 Nissan Pathfinder, all you need to do is add the Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way Trailer Connector # C56226. This will replace your 4-way and give you the 7-way you need to tow your camper with electric brakes. You'll then be able to use a brake controller like the Curt TriFlex NEXT # C24VV with Wiring Adapter # C51382.
view full answer... - How Can I Be Sure My Curt Triflex Brake Controller Is Working WorrectlyHello 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... - Troubleshooting Trailer Brake Controller Circuit that Activates all of the TimeYou said that the brake controller output circuit was the number 2 circuit on your 7-way. If by that you mean the 2:00 position then you have the circuits flip flopped. The 2:00 position should be the 12 volt accessory circuit, not the brake output circuit. That would explain why you are getting 12 volts all the time. The brake controller circuit should be the 5:00 position. Check out the diagram I attached to see how it should all get wired up.
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- Parts Needed to Install Curt TriFlex NEXT Brake Controller on a 2018 Ford F-150To install the Curt TriFlex NEXT Trailer Brake Controller # C24VV to your 2018 Ford F-150 I recommend also picking up the Custom Wiring Adapter # C51436 so the installation is a plug and play setup. You'll be able to find the OEM connector on your Ford behind the center console controls (see attached instructions). If your F-150 came from the factory with a 7-Way connector at the back then you're good to go, otherwise if it came with the 4-Way then you also need the Universal Installation...
view full answer... - Curt C24VV TriFlex Brake Controller Putting Out Minimal Voltage With Vehicle Brake Pedal AppliedThe Curt # C24VV Triflex is a proportional brake controller, which means that there are internal sensors that can determine how quickly the tow vehicle is stopping, at which time the controller will send the appropriate amount of voltage to the trailer brakes so the vehicle and the trailer will brake at the same rate. When the vehicle is NOT moving, you'll get very little voltage out of the controller with the vehicle brake pedal, just enough so the controller 'knows' there's a trailer...
view full answer... - Are Circuit Breakers Needed to Install the Curt Triflex Controller with the Wiring Harness # C51362Yes, when you installed the Curt Triflex Brake Controller # C24VV by using the Curt Custom Wiring Adapter # C51362 you took care of the installation completely. The circuits that are used on your vehicle wiring that the # C51362 connected to are protected with fuses so everything is good to go. I attached an install video for the # C51362 for you to check out also.
view full answer... - Brake Controller for 2008 Jeep Grand CherokeeWhile we have not had a chance to install a brake controller on a 2008 Jeep Grand Cherokee we have installed them on other Jeeps of the same year, and the process will be similar. Assuming you do not have the factory tow package or factory 7-way on your Grand Cherokee you need to start with a 4-way connector, the T-One Vehicle Wiring Harness # 118425, and this is something we do have an installation video for on an '08 Grand Cherokee. You will also need the Universal Installation Kit...
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- Could Curt Triflex Cause Error Message on Dash of 2019 Ram 1500The Curt Triflex part # C24VV has a reputation unfortunately as having internal issues. If when the controller is installed it causes a dash error light I'd speculate that the issue is from the controller and I would suggest going with a different controller that is more reliable with the Brake EVN # TK63VR.
view full answer... - Parts Needed For Installing Curt TriFlex Trailer Brake Controller On a 2014 Toyota Tundra SR5Yes, the Curt TriFlex Trailer Brake Controller # C24VV and Wiring Adapter # C51362 will fit your 2014 Toyota Tundra SR5 as long as you have the factory 7-way. This will be a plug and play connection. If you do not have the factory 7-way you will need the Universal Installation Kit # ETBC7 and a Wiring Adapter # C51515. This kit will allow you to connect a 4-way flat connector to the 7-way and provides the wiring needed to wire in the adapter for the brake controller.
view full answer... - Parts Needed to Add 7-Way and Brake Controller to a 1998 Ford E-350 with Factory 4-WayTo get a 7-Way and brake controller installed on your 1998 Ford E-350 you'll need a 7-Way connector and some additional 10 gauge wire so you can connect all of it to the pre-existing wiring at the back of your van. Here are the parts I recommend picking up to accomplish this: - Adapter 4-Pole to 7-Pole and 4-Pole # 37185 - 10 Gauge Wire # 10-1-1 - Curt TriFlex NEXT Trailer Brake Controller # C51140 - Curt Custom Wiring Adapter # C51322
view full answer... - Parts Needed to Install Trailer Brake Controller in 2018 Dodge Grand CaravanSince your trailer has electric brakes, you will indeed need to install a brake controller to actuate them. I'd recommend a proportional brake controller like the Curt # C24VV Triflex for safe, effective and predictable braking. To install the brake controller, you'll need to begin with a 4 pole trailer wiring harness. You can provide one by installing # C56331. With the 4 pole in place, you'll install the controller using our # ETBC7 brake controller install kit. The kit includes every...
view full answer... - Curt Brake Controller # C24VV on 2012 Honda Odyssey Showing OL Error CodeThe OL error code you mentioned indicates an short somewhere in the brake controller output circuit between the blue wire exiting the brake controller and the trailer connector. You can confirm this by severing the blue wire behind the brake controller, being sure to leave enough room to reconnect the wire. If this makes the OL code disappear, you have confirmed the short. If this is the case, you'll need to rewire the output circuit, using 10 gauge wire like part # 10-1-1. Chances are,...
view full answer... - Curt Tri-Flex Brake Controller Remains on Even When Trailer Is Not AttachedThis is completely normal and doesn't indicate any type of problems with the installation. Because it's connected to a constant 12-volt power source and responds to the brake light switch, the LED on the Curt TriFlex Trailer Brake Controller # C24VV will remain illuminated without a trailer connected and for a short time after the vehicle is shut off. 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....
view full answer... - Troubleshooting Curt TriFlex Brake Controller that Flashes 1.0 With No Trailer ConnectionThis 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... - Malfunction of Curt Venturer Brake Controller # C74VV Used with Electric-Over-Hydraulic BrakesThe Curt Venturer Brake Controller # C74VV that you are using is designed for use only with electric trailer brakes. Since you mention a solenoid it sounds like your trailer may be equipped with an electric-over-hydraulic brake actuator. Such a system will not work with the Curt Venturer. If this is the case you will need to choose another brake controller that has a switchable setting to allow it to be used with EOH brake actuators. Curt offers their Tri-Flex # C24VV that is compatible...
view full answer... - Brake Controller Recommendation for a 2007 Toyota Tundra w/ Factory 7-WayThe brake controller that I recommend for your 2007 Toyota Tundra, due to its easy mounting and use is the Curt TriFlex NEXT Trailer Brake Controller # C24VV. Since you have the factory 7-way the only other thing you'll need is the Curt Custom Wiring Adapter for Trailer Brake Controllers - Dual Plug In # C51362.
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