Nexus R3 + Universal Wire-in Harness Kit - 2.5m (8) Length: 2.5m (8)

The Haltech Nexus R3 paired with a 2.5m universal wire-in harness delivers a complete engine management solution for custom builds and complex installations. This kit combines Haltech's advanced Nexus R3 ECU with an eight-foot unterminated harness, allowing tuners to wire directly into any vehicle application. The universal harness provides the flexibility needed for unique engine swaps, race builds, or specialist projects where pre-made harnesses aren't available. Ideal for professional workshops requiring full control over wiring configuration and pin assignments during performance ECU installations.