LEXUS V8 Engines LLC

Documented workshop project

2UZ-FE Tundra Standalone Harness Walkthrough and Test

This walkthrough covers a 2004 Toyota Tundra 2UZ-FE automatic 2WD configuration. It shows the finished harness, fuse and relay center, vehicle-side connections, retained A/C interface, and test run.

Project dateAugust 19, 2026
Video length13 min 36 sec
Published on YouTubeAugust 20, 2026

This walkthrough covers a 2004 Toyota Tundra 2UZ-FE automatic 2WD configuration. It shows the finished harness, fuse and relay center, vehicle-side connections, retained A/C interface, and test run.

This page records the supplied engine-management package, its connections and the workshop test shown in the video.

This is workshop verification of the supplied system. Donor ECU details, chassis integration and final installation conditions vary by project. These modified engines are used in off-road, track, competition, marine and other custom applications.