Miata Performance Redefined: Elite 750 Plug ‘n’ Play Adaptor for NB MX-5
Unlock the tuning potential of your Mazda Miata (MX-5) NB (2000-2004) with the Haltech Elite 750 Plug ‘n’ Play Adaptor Harness. This adaptor is designed to plug directly into the 3-plug factory ECU harness found on 1.8L Non-VCT and VCT models, as well as the factory turbocharged SE/Mazdaspeed variants. It bridges the gap between your Miata’s wiring and the Haltech Elite 750, providing full programmable control over fuel and ignition without cutting a single wire. This is essential for owners adding turbochargers, superchargers, or individual throttle bodies where the stock ECU cannot cope.
Total Control for Your NB
The adaptor harness supports all critical factory functions including the instrument cluster, air conditioning, and power steering idle bump. It allows the Elite 750 to take full command of the VVT (Variable Valve Timing) system on supported engines, optimizing torque across the rev range. The kit includes a fast-response Air Intake Temperature sensor to facilitate a conversion to Speed Density tuning, eliminating the restrictive factory Mass Air Flow meter.
Technical Specifications
| Feature | Specification |
|---|---|
| Vehicle Suitability | Mazda Miata (MX-5) NB (2000-2004), Mazdaspeed (04-05) |
| Engine Suitability | 1.8L BP (VCT and Non-VCT) |
| ECU Compatibility | Haltech Elite 750 |
| Connector Style | 3-Plug 3-Row Factory Header |
| Transmission | Manual Transmission Only |
Kit Includes
- Plug ‘n’ Play Adaptor Harness (HT-140621)
- M14 x 1.5 Air Temperature Sensor with Plug & Pins
- Auxiliary I/O 16 Pin Tyco Plug & Pins
- Waterproof USB Cap & Programming Cable
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