Nexus Connectivity: Adapter Harness for Mazda MX-5 NB
Connect the cutting-edge Haltech Nexus S2 or S3 ECU to your Mazda MX-5 (Miata) NB (2000-2005) with this dedicated Plug ‘n’ Play Adapter Harness. This harness bridges the gap between the factory 3-plug wiring loom and the advanced Nexus VCU platform. It is compatible with all 1.8L NB models, including VCT and Mazdaspeed Turbo variants, allowing for a complete modernization of the engine management system.
Ready for Expansion
The harness enables the Nexus ECU to control all factory functions while providing an auxiliary I/O breakout for easy expansion. Add wideband O2 sensors, fuel pressure monitoring, or flex-fuel sensors without cutting into the factory loom. This harness is the foundation for installing the most advanced ECU technology available into the popular NB chassis.
Technical Specifications
| Feature | Specification |
|---|---|
| Vehicle Suitability | Mazda Miata NB (2000-2005) |
| Compatible ECUs | Haltech Nexus S2 / Nexus S3 |
| Connector Style | 3-Plug 3-Row Factory Header |
| Transmission | Manual Transmission Only |
Kit Includes
- Injection Moulded Plug ‘n’ Play Adaptor Harness
- M14 x 1.5 Air Temp Sensor with Plug & Pins
- Auxiliary I/O 16 Pin Plug & Pins
Note: ECU is NOT included. This is the harness only.
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