Haltech Nexus S3 Plug 'n' Play Adapter Harness Kit - Mazda MX5 NB

The Haltech Nexus S3 Plug 'n' Play Adapter Harness Kit transforms your Mazda MX5 NB installation into a straightforward swap. Designed specifically for NB chassis, this harness bridges the Nexus S3 ECU to your factory wiring without modification, eliminating the need to cut or splice original looms. Factory-matched connectors ensure reliable pinouts and reduce installation time significantly. Ideal for workshops delivering professional ECU upgrades while preserving the integrity of the original electrical system. Engineered to Haltech's exacting standards for Australian conditions.