CURT 51146 TriFlex NEXT Proportional Trailer Brake Controller, 1-4 Axles

CURT Part #: 51146

Price:
Price$141.95
In Stock
Fast Shipping · FREE on orders $300+Most orders ship same business day when placed by 2:00 PM ET · Typical delivery 3–5 business days
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Features

  • Auto-sleep mode prevents battery drain after 5 minutes of idle time
  • Slim, low-profile design for a functional, modern aesthetic
  • Unique bracket system for improved dash clearance
  • Mounts anywhere in the vehicle, at any angle
  • Triple-axis, motion-sensing accelerometer for highly responsive, smooth stops
  • Operates 2-8 trailer brakes at a time (1-4 axles)
  • Gain and load settings to adapt to various driving conditions
  • Clean, easy-to-read interface with full-text readout and troubleshooting
  • Day-night mode and adjustable brightness for optimal visibility
  • Large buttons and easy-to-read display make setup easy
  • Tow vehicle 'low voltage' and trailer disconnect indicators
  • Made for 12-volt vehicle systems with an operating range of 9-16V

Watch It in Action

Official CURT video for this product line. Your exact size, model or finish may differ; check the details below.

Description

At a Glance

  • Fits: Universal fit (not vehicle-specific) – compare the dimensions to your vehicle before ordering
  • Brand / Part #: CURT 51146

The TriFlex NEXT Trailer Brake Controller is equipped with a triple-axis, motion-sensing accelerometer for smooth, responsive stops. The third axis adjusts power when driving on uphill or downhill terrain, improving braking performance. With automatic leveling and calibration, setup is simple and hassle-free, allowing you to hit the road with confidence. This controller also features built-in reverse polarity and short-circuit protection, ensuring safe towing. You can easily monitor your tow vehicle’s voltage and trailer disconnect status with helpful indicators.The TriFlex NEXT has an easy-to-read display with full-text diagnostics and troubleshooting, making it simple to operate and maintain. It can control 2 to 8 trailer brakes (1-4 axles) and offers adjustable settings to match your specific vehicle-trailer configuration. It works with low-volt, PWM, ABS, and cruise control systems, delivering powerful brake control in a slim, modern design. The controller provides fully adjustable power and ramp time with a range of gain and load settings to suit different towing conditions. The ramp-up progress is clearly shown on the display, and the brightness can be adjusted for day or night use. With versatile mounting options, the TriFlex NEXT can be installed anywhere in your vehicle at any angle. For easy installation, we recommend using the CURT brake controller wiring harness (sold separately).

Fits:

Universal fit (not vehicle-specific). Compare the dimensions and ratings to your vehicle and trailer before ordering. Never exceed the lowest-rated towing component.

Vehicle Fitment

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