LEXUS V8 Engines LLC

Documented workshop project

1972 FJ55 3UZ-FE Manual Harness with Cab-Mounted ECU

A new 3UZ-FE VVT-i standalone harness is built in manual configuration for a 1972 Toyota Land Cruiser FJ55. The walkthrough covers the cab-mounted ECU layout, harness connections, and test run.

Project dateJune 22, 2026
Video length11 min 45 sec
Published on YouTubeJune 22, 2026

A new 3UZ-FE VVT-i standalone harness is built in manual configuration for a 1972 Toyota Land Cruiser FJ55. The walkthrough covers the cab-mounted ECU layout, harness connections, 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.