Keep your factory inverter working at full power while you’re on the move with this plug-and-play upgrade harness. No more losing power to your fridge or gear—the system maintains a consistent 400W output so your setup stays running wherever the trail takes you. Important notes• Function: Maintains 400W inverter output while driving (prevents drop to 100W)• Installation: Plug-and-play, no cutting or splicing required• Mounting: Requires grounding to a nearby bolt under the center console• Outlet: Optional extension supports adding a secondary outlet (not included) Features• Full power retention: Keeps inverter running at 400W even while driving• Plug-and-play: Installs directly into factory inverter connection• No wire cutting: Preserves factory wiring for a clean, reversible install• Optional expansion: Includes extension to relocate or add a usable outlet in the cab• Convenience upgrade: Allows easier access to power for fridges, tools, and electronics• Reliable performance: Designed for consistent power delivery on and off the road Specifications• Application: Factory inverter power retention harness• Output: Maintains 400W operation while in motion• Connection: Factory plug interface with ground terminal Included in the box• Harness: Plug-and-play inverter harness• Extension: Optional outlet extension lead Fitment• Toyota Tacoma: 2005–2023• Toyota 4Runner: 2010–2024• Toyota FJ Cruiser: 2007–2014• Toyota Tundra: 2022 and newer (non-hybrid only) • Compatibility note: Designed for vehicles equipped with factory inverter system; outlet not included (Toyota p/n 85530-35050-C0 required for additional outlet setup)