The Baja Designs 2025 Toyota 4Runner Upfitter Harness is a vehicle-specific wiring harness intended to support auxiliary lighting and accessories on the 2025 4Runner. Designed to provide dedicated power and signal connections for aftermarket devices, the harness simplifies electrical integration without the need to splice into existing factory wiring.
Baja Designs 2025 Toyota 4Runner Upfitter Harness