3UZ Standalone Harness | Full Wiring & ECU Setup for Manual Swap

This video was created for one of our customers to provide a detailed overview of their 3UZ-FE standalone harness after modifications. In this walkthrough, we explain the wiring modifications, the components integrated into the harness, and the steps taken to ensure it functions as a complete standalone system. We go over the removal of unnecessary wiring, the addition of essential connections like the engine temperature sensor, the integration of a fuse box, and the final harness layout. Additionally, we perform a test run on our start stand to verify that the harness is fully functional. To ensure everything is working as intended, we conduct a full diagnostics scan to check for trouble codes and confirm that all sensors and connections are communicating properly. This video provides peace of mind for our customer, showing that their 3UZ-FE swap harness is ready to install and operate seamlessly. 🔧 Looking for 3UZ wiring services? Contact us: [www.lexusv8.com]