Curt 56489 4-Way Wiring Harness - 2021-2026 Toyota Sienna

Why Choose the Curt 56489 Wiring Harness?

The Curt 56489 provides a vehicle-specific trailer wiring solution for 2021-2026 Toyota Sienna models. Its OEM-compatible plug connects to the vehicle's existing rear wiring connector, eliminating the need for cutting or splicing into factory wiring.

This harness provides a standard 4-way flat output for trailer taillights, brake lights, and turn signals. An integrated taillight converter with SMT circuitry provides vehicle-to-trailer electrical compatibility, while the included dust cover helps protect the 4-way connector when not in use.

Key Features & Benefits

• Vehicle-Specific Design: Fits 2021-2026 Toyota Sienna models
• OEM-Compatible Connection: Plugs into the vehicle's existing rear wiring connector
• No Cutting or Splicing: Simplifies installation while preserving factory wiring
• 4-Way Flat Output: Powers trailer taillights, brake lights, and turn signals
• Integrated Taillight Converter: Provides vehicle-to-trailer electrical compatibility
• SMT Circuitry: Designed for improved performance and durability
• Dust Cover Included: Helps keep the connector clean when not in use
• 1-Year Limited Warranty: Manufacturer's warranty for peace of mind

Technical Specifications