Nexus S3 Plug n Play Adapter Harness Kit - Nissan Skyline R34 GTT

The Haltech Nexus S3 Plug n Play Adapter Harness Kit delivers a direct OEM connector solution for Nissan Skyline R34 GTT models, eliminating the need to cut or splice factory wiring. This application-specific harness integrates the Nexus S3 ECU with the R34 GTT's existing electrical system, maintaining all original engine sensors and actuators. The plug-and-play design preserves factory reliability while enabling complete engine management control, making professional ECU installation faster and cleaner for workshop environments.