CURT 51146

CURT TriFlex NEXT 51146 Electric Trailer Brake Controller Instruction Manual

Model: 51146 | Brand: CURT

1. Introducción

The CURT TriFlex NEXT Electric Trailer Brake Controller (Model 51146) is designed to provide smooth and responsive braking for trailers equipped with electric brakes. Utilizing a triple-axis, motion-sensing accelerometer, it automatically adjusts power output based on terrain and braking intensity, ensuring enhanced control and safety during towing. This manual provides essential information for proper installation, operation, and maintenance of your TriFlex NEXT brake controller.

2. Información de seguridad

Always read and understand all instructions before installing or operating this product. Failure to do so could result in property damage, serious injury, or death. Ensure all connections are secure and properly insulated. Disconnect the vehicle's battery before beginning installation. This device is intended for use with trailers equipped with electric brakes only. Do not exceed the towing capacity of your vehicle or trailer.

3. Contenido del paquete

The CURT TriFlex NEXT 51146 package includes:

4. Configuración e instalación

The TriFlex NEXT brake controller offers versatile mounting options and automatic leveling for simplified setup. A vehicle-specific CURT brake controller wiring harness (sold separately) is recommended for easy plug-and-play installation.

4.1. Ubicación de montaje

Select a mounting location within your vehicle that is easily accessible to the driver, unobstructed, and allows for clear visibility of the display. The slim, low-profile design and unique bracket system provide improved dash clearance, allowing installation at any angle.

Hand installing the CURT TriFlex NEXT brake controller under a vehicle's dashboard
Figura 1: Hand installing the CURT TriFlex NEXT brake controller under a vehicle's dashboard. The unique bracket system allows for flexible mounting positions.

4.2. Conexión del cableado

For plug-and-play installation, connect the brake controller to your vehicle's existing brake control wiring harness. If your vehicle does not have a pre-installed harness, a universal wiring harness may be required (sold separately). Ensure all connections are secure.

Diagram showing quick plug equipped installation for a trailer brake controller
Figura 2: Diagram illustrating the plug-and-play installation process using a vehicle-specific quick plug harness (sold separately) to connect the brake controller to the OEM harness.

4.3. Calibración inicial

The TriFlex NEXT features automatic leveling and calibration. Once installed and connected, the unit will self-calibrate. Refer to the operating instructions for specific details on verifying calibration and making initial adjustments.

5. Instrucciones de funcionamiento

The TriFlex NEXT offers an easy-to-read display with full-text diagnostics and large buttons for intuitive operation.

Close-up of the CURT TriFlex NEXT brake controller's large LCD display showing '13'
Figura 3: The large LCD display provides a clean, easy-to-read interface with full-text readouts for diagnostics and operational status.

5.1. Configuraciones ajustables

The controller provides fully adjustable power and ramp time with a range of gain and load settings. These settings allow you to match the brake controller's performance to your specific vehicle-trailer configuration and towing conditions.

5.2. Triple-Axis Motion Sensing

The integrated triple-axis, motion-sensing accelerometer ensures smooth, responsive stops. The third axis dynamically adjusts power when driving on uphill or downhill terrain, optimizing braking performance without manual intervention.

Diagram illustrating how the tri-axis accelerometer adjusts trailer brake power on inclines and declines
Figura 4: The tri-axis accelerometer provides dynamic power adjustments, automatically reducing power for inclines and increasing power for declines to maintain optimal braking.

5.3. Modos día/noche

The display brightness can be adjusted for optimal visibility in both day and night driving conditions.

6. Mantenimiento

Regularly inspect all wiring connections for wear or damage. Ensure the brake controller unit is securely mounted. Keep the display clean and free from debris. No user-serviceable parts are inside the unit.

7. Solución de problemas

The TriFlex NEXT features full-text diagnostics and troubleshooting messages on its display to assist in identifying and resolving common issues. If a problem persists, consult the detailed troubleshooting section in the full product manual or contact CURT customer support.

8. Especificaciones

CaracterísticaDetalle
Número de modelo51146
Sistema de activacionProporcional
Brakes / Axles Controlled2-8 Trailer Brakes (1-4 Axles)
Automatic Leveling & Calibration
Triple-Axis Motion Sensing
Reverse Polarity & Short-Circuit Protection
Tipo de pantallaEasy-to-read with full-text diagnostics
Adjustable Gain & Load Settings
Modo día/noche
Dimensiones8.13 x 5.38 x 2.75 pulgadas
Peso del artículo9.6 onzas
Diagram showing approximate dimensions of the CURT TriFlex NEXT brake controller: 4 inches long, 3-1/8 inches wide, 1 inch thick
Figura 5: Approximate dimensions of the TriFlex NEXT brake controller for installation planning.
Comparison table of CURT NEXT series brake controllers: Venturer, Discovery, and TriFlex NEXT
Figura 6: Comparison of features across the CURT NEXT series, highlighting the TriFlex NEXT's proportional activation and 1-4 axle capacity.

9. Garantía y soporte

For warranty information or technical support, please refer to the documentation included with your product or visit the official CURT webLa información de contacto para el servicio de atención al cliente suele estar en el embalaje del producto o en la etiqueta del fabricante. websitio.

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