Haltech Nexus S3 Plug 'n' Play Adapter Harness Kit - Toyota LandCruiser 1FZ-FE

This Haltech Nexus S3 Plug 'n' Play Adapter Harness Kit provides a direct wiring solution for Toyota LandCruiser 80 Series vehicles fitted with the 1FZ-FE six-cylinder engine. Designed to integrate the Nexus S3 ECU with the factory loom, this harness eliminates splicing and modification, preserving original connectors while enabling full engine management control. The kit simplifies installation for workshops upgrading from factory management to Haltech's tunable platform, maintaining vehicle reliability while unlocking advanced tuning capability for LandCruiser builds requiring precise fuel and ignition control.