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The TriFlex NEXT keeps your interior neat with a compact controller that mounts flush to the dash and measures only 1" thick. There’s no bulky box hanging below your knees, just a clean face with simple rocker switches and a large LED display that’s easy to read at a glance. The included bracket and hardware make it simple to secure in any angle, and automatic leveling handles the rest.
With its 3-axis motion-sensing accelerometer, the TriFlex NEXT matches trailer brake force to your braking pressure for natural, even stops. It automatically adjusts power output when traveling uphill or downhill so braking stays consistent on grades. The result is steady, proportional control that prevents push-pull motion and minimizes wear on both tow vehicle and trailer brakes.
You can dial in the exact braking feel you want. Set gain from 0.5 to 9.9 in 0.5-point steps using the gray rocker switch to match your trailer’s weight, then adjust load from 1 to 9 with the black switch to control braking aggressiveness. Whether you want softer engagement or a firmer response, these manual settings let you fine-tune performance without tools or guesswork.
Continuous diagnostic checks run in the background to catch issues before they become problems. The TriFlex NEXT includes short-circuit and reverse polarity protection to defend wiring and breakaway systems. A sleep mode reduces battery draw after five minutes of inactivity and wakes the moment you press the brake pedal, keeping your setup safe and ready.
Automatic leveling means flexible mounting options, and if your vehicle has a plug-in brake control harness, setup is quick—just connect it and go. For other applications, a vehicle-specific harness or hardwire install can be used. This unit handles trailers with up to 4 axles (8 brake assemblies) and works with electric trailer brakes for broad compatibility.
If a custom brake control wiring adapter is not available for your vehicle, one of the following will be required:
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).
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi everyone. Steve here with etrailer. Today we're taking a look at the CURT TriFlex NEXT trailer brake controllers for one to four axles. Now these are proportional braking controllers, and this is a package of six. So again, quantity six. So most likely if you're on this page, you're probably a dealer or something of that nature.
So again, you're gonna get quantity six of the CURT TriFlex NEXT. And as you can see, you got your manual override button right there on the side. And then, of course, it is wired with a plug factory right out of the box. And then of course you're gonna get a package of six of the cable ties and the installation instructions and the cards about the products themselves and those kind of thing. Now these are gonna be a pretty fast, quick, clean installation as they mount flush.
They're about just one inch thick, and they're gonna fit nice and neatly right below the dash. And these will give you reliable power at any grade. So they have what's called a three-axis accelerometer in here. It's gonna adjust breaking uphill or downhill just the same without no issues. And again, with this automatic leveling and rocker switches, you're gonna simply tune that gain and load with ease.
And that's right up here on the front here with the buttons. Again, little rocker switches. So very easy to use. Again, if you're a dealer, obviously you're probably watching this. This is a great option to get six of these at a better price than just one.
And as well, they do display in a nice bright LED display to show those settings, error codes, and the trailer statuses. And as always, if you have any questions about this or any product, reach out to us here at etrailer. We're more than happy to assist you. I'm Steven. Thanks so much for watching, and have a great day.
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews
Gwendolyn Y.
4/23/2026
Thanks for the awesome write-up, Francis! Sounds like you had a smooth install from start to finish, which is always great to hear. That plug-and-play setup really makes a difference, and having the controls right where you want them is a nice bonus. Appreciate you taking the time to share the details, and the photo too!
Kate F.
6/25/2026
30 minutes to install Bill, that is some pit stop speed! Glad we could get it to you quickly. What kind of trailer are you towing with it, something for fun, or more of a work trailer to make the money to have some fun?
Mike L.
5/2/2026
Good deal Robert, thanks for the photos!
James D.
7/8/2026
I completely understand Rick, especially after having to replace a battery. Thank you for taking the time to share your experience. The Curt TriFlex NEXT is designed to enter a low power sleep mode when it's not in use, so it should not normally drain the vehicle's battery. If the display remains on or the controller continues to draw power after the vehicle has been shut off for a period of time.
Claire H.
6/26/2026
Hey Ryan, I agree it does sound like your brake controller is losing power and causing it to restart. I would check your brake controller fuse to make sure it isn't blown. Or to make sure it's a 30-amp fuse and not a 20-amp fuse, sometimes a 20-amp fuse is installed from the factory.
Jesse M.
9/10/2026
Hey Chris, thanks for the feedback. The custom pigtail included with the controller is intended for vehicles with a factory tow package. If your Tahoe didn't have a factory brake control plug, this likely means you don't have the factory tow package, which is why you had to cut off the plug and splice the wires. Generally non-tow package trucks use a universal pigtail which is just 4 bare wires with no plug.
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Heather A.
8/12/2026
The install looks great Dennis! What kind of trailer are you using this for?