The Curt Manufacturing 56489 Custom Vehicle-to-Trailer Wiring Harness equips select Toyota Sienna models with a 4-way flat trailer connector. This plug-and-play T-connector integrates directly with the vehicle’s OEM tail-light wiring — no cutting or splicing required.
Key Features: 🔌 4-Way Flat Output – Powers tail, brake, and turn signal lights on your trailer. 🚐 Vehicle-Specific Fit for 2021‑2025 Sienna – Designed for seamless compatibility. 🧰 Plug-and-Play Installation – T-connects into tail-light wiring using OEM-style connectors. ⚙️ Built-In Tail-Light Converter – Ensures reliable performance and protects vehicle wiring. 💨 Dust Cover Included – Keeps the trailer connector protected when not in use.
