1. Produto rematadoview
The CURT 56494 custom wiring connector is designed to provide a reliable 4-pin trailer wiring connection for select Mazda CX-70 and CX-90 vehicles. This harness utilizes existing factory wiring, offering a simple, plug-and-play installation without the need for cutting, splicing, or soldering. It provides a standard 4-way flat socket for connecting trailer tail lights, brake lights, and turn signals, ensuring vehicle-to-trailer compatibility. A factory tow package is required for vehicle compatibility.

This image displays the complete CURT 56494 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, including the main converter module, vehicle-specific connector, 4-way flat output, and protective conduit.
Características clave
- Fácil instalación: Plugs directly into existing factory wiring, eliminating the need for cutting or splicing.
- Conector estándar de 4 pines: Provides a universal 4-way flat output for trailer tail lights, brake lights, and turn signals.
- Deseño específico para vehículos: Custom-fitted for select Mazda CX-70 and CX-90 models (requires factory tow package).
- Potencia fiable: Built with surface mount technology for reduced heat generation, optimal light intensity, and durable performance.
- Incluída unha funda antipo: Comes with a rubber dust cover to protect the 4-way flat connector from outdoor elements when not in use.

An illustrative diagram highlighting key features such as the sealed, epoxy-filled enclosure for durability, plug-and-play connectors for easy installation, and the standard 4-way trailer wiring output.
2. Contido do paquete
Comprobe que todos os compoñentes estean presentes antes de comezar a instalación:
- Arnés de cableado personalizado con módulo convertidor
- Vehicle-Specific Connector
- 4-Way Flat Output Connector
- Cuberta de po de goma
- Ligazóns con cremalleira
- Parafuso de terra
- Portafusibles con fusible

This image shows additional components included with the harness, such as zip ties for securing wiring, a grounding screw, and a label detailing the circuit protected converter system's functionality and troubleshooting tips for lamp cuestións.
3. Información de seguridade
Always exercise caution when working on your vehicle. Ensure the vehicle is turned off and the parking brake is engaged. Wear appropriate personal protective equipment, such as safety glasses and gloves. If you are unsure about any step, consult a qualified professional.
Proposición 65 Advertencia: Este produto pode conter produtos químicos que o Estado de California sabe que causan cancro, defectos de nacemento ou outros danos reprodutivos.
4. Guía de instalación
This section provides general instructions for installing the CURT 56494 wiring harness. Specific vehicle access points may vary. Refer to your vehicle's owner's manual for detailed information on accessing tail light wiring.
Ferramentas necesarias (non incluídas)
- Basic hand tools (e.g., screwdriver, pliers)
- Wire strippers/crimpers (if necessary for grounding)
- Test light or multimeter (for verifying connections)
Pasos previos a la instalación
- Ensure the vehicle is off and the parking brake is set.
- Locate the vehicle's factory tow package wiring connector, typically found behind the rear bumper or near the tail lights.
- Clean any dirt or debris from the connection area.
Instalación do arnés de cableado
- Connect the vehicle-specific connector from the CURT harness to the corresponding factory connector on your Mazda CX-70 or CX-90. Ensure a secure and tight connection.
- Mount the converter module in a secure, dry location using the provided zip ties or a suitable adhesive. Avoid areas with excessive heat or moving parts.
- Route the 4-way flat output connector to the exterior of the vehicle, typically near the trailer hitch. Secure it using zip ties to prevent it from dragging or getting caught.
- Connect the white ground wire to a clean, unpainted metal surface on the vehicle's frame using the provided grounding screw. Ensure a good electrical connection.
- Install the included fuse into the fuse holder and connect the fuse holder to the vehicle's battery (if applicable, follow specific instructions for power connection).
- Test all trailer light functions (tail lights, brake lights, left turn, right turn) with a test light or by connecting a trailer.
- When not in use, protect the 4-way flat connector with the included rubber dust cover.

Un detallado view of the vehicle-side plug-and-play connector, designed to integrate seamlessly with the existing factory wiring of compatible Mazda CX-70 and CX-90 models.

A close-up of the standard 4-way flat connector, which provides connections for trailer tail lights, brake lights, and turn signals.

The 4-way flat connector shown with its included rubber dust cover, designed to protect the terminals from dirt, moisture, and corrosion when not in use.
Vídeo de instalación
This video provides a visual guide for installing the CURT 56494 Vehicle-Side Custom 4-Pin Trailer Wiring Harness. It demonstrates the plug-and-play connection process and highlights key features of the harness.
5. Instrucións de funcionamento
To use your CURT 4-pin trailer wiring harness:
- Asegúrese de que o vehículo estea apagado antes de conectar ou desconectar o remolque.
- Remove the dust cover from the 4-way flat connector.
- Align the 4-way flat connector from your trailer with the vehicle's 4-way flat output and push firmly until fully seated.
- Verify that all trailer lights are functioning correctly before driving.
- When disconnecting, pull firmly on the connector bodies (not the wires) to separate them.
- Replace the dust cover on the vehicle's 4-way flat output when not towing.
6. Mantemento
- Regularly inspect the wiring harness for any signs of wear, damage, or corrosion.
- Keep the 4-way flat connector clean and free of dirt, moisture, and debris. Use the provided dust cover when not in use.
- Check all electrical connections periodically to ensure they remain secure.
- If any part of the harness or converter module appears damaged, replace it immediately to ensure safe towing.
7 Solución de problemas
If you experience issues with your trailer lights, refer to the following common troubleshooting steps:
- Se lampacende durante uns segundos e despois apágase:
- Check the ground wire connection on both the harness and the trailer. Ensure it is secure and on a clean, unpainted metal surface.
- Check for an overload condition (e.g., too many bulbs on the trailer). Reduce the load if necessary.
- Se o circuíto non se acende:
- Check the tow vehicle's fuses. Replace any blown fuses.
- Inspect the trailer for broken connections or damaged wiring.
- Comproba o remolque lamp bulbs. Replace any burnt-out bulbs.
- Verify the ground wire connection on both the harness and the trailer.
- Localizar e corrixir calquera curtocircuíto na instalación eléctrica.
Nota: Always use a tester to verify and confirm system function. If problems persist, consult your trailer dealer for corrective action. It is important to check trailer lights before towing.
8. Especificacións
| Fabricante | CURT |
| Marca | CURT |
| Modelo | Custom Wiring |
| Número de modelo do artigo | 56494 |
| Peso do elemento | 14.4 onzas |
| Dimensións do paquete | 8.62 x 5.67 x 2.95 polgadas |
| Posición | Traseira |
9. Garantía e soporte
Para obter información sobre a garantía ou asistencia técnica, consulte a páxina oficial de CURT website or contact their customer service directly. Keep your purchase receipt and product model number (56494) handy for any inquiries.
Recursos en liña: Visita o Fabricación CURT websitio for additional product information, installation videos, and FAQs.





