Haltech Elite 750 + Plug 'n' Play Adaptor Harness Kit – Mazda MX-5 NB (01–05) - HT-150621

$1,655.00
$1,655.00
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The Haltech Elite 750 is a powerful yet accessible ECU designed to deliver standalone control for modern engines in a compact, cost-effective package. This Plug 'n' Play kit includes a direct-fit adaptor harness tailored for the Mazda MX-5 NB8B (2001–2004), NB8C Mazdaspeed (2004–2005, USA), and NB Factory Turbo SE (Australia) models with manual transmissions and 3-row factory ECUs.

Whether you're upgrading your MX-5 for track use, turbocharging, or installing performance modifications, this kit provides a seamless and highly configurable engine management solution.

Key Features

  • NOT CARB LEGAL

  • Engine Compatibility:

    • Mazda MX-5 NB8B 1.8L VCT (2001–2004)

    • Mazda MX-5 Mazdaspeed NB8C (2004–2005, USA)

    • Factory Turbo NB SE (Australia)

    • Manual transmission only

  • Included in Kit:

    • Haltech Elite 750 ECU

    • Plug 'n' Play Adaptor Harness

    • M14 x 1.5 Air Temp Sensor with plug and pins

    • Auxiliary I/O 16-Pin TYCO Plug and Pins

    • Waterproof USB Cap

    • USB Programming Cable

ECU Specifications

  • Supports 1–12 Cylinder / 1–3 Rotor engines

  • Internal 3-Bar MAP Sensor (rated up to 200 kPa / 29 psi boost)

  • 6 x Fuel Injector Outputs (Peak & Hold)

  • 6 x Ignition Outputs

  • 2 x Digital Pulsed Inputs, 5 x Digital Pulsed Outputs

  • 2 x Analog Voltage Inputs, 3 x Dedicated Inputs (TPS, Air Temp, Coolant Temp)

  • 2 x Engine Position Inputs

  • CAN Bus Communication & USB Laptop Connection (Windows)

  • Waterproof (IP67 Rated) Case

  • On-board Data Logging

  • NSP Calibration Software

Advanced ECU Functions

  • Flex Fuel Control (direct ethanol sensor input)

  • Closed-loop O2 Control & Idle Speed Control with adaptive learning

  • Variable Camshaft Control (single VVT supported)

  • Long-term learning (Autotune) on fuel, idle, and cam maps

  • 2 Injection Stages (Rotary engines supported)

  • Full Nitrous Control (wet/dry, staged)

  • Intelligent 3D Boost Control (Open Loop) with flexible mapping

  • Per-cylinder tuning correction

  • CAN integration with Haltech Dashes and expansion modules

  • Wideband O2 & EGT support (via CAN)

  • Tuning Table Resolution: up to 32 × 32

  • Multi-axis tuning using RPM, MAP, TPS, cam position, ethanol %, etc.

Emissions Notice

This product is intended for off-road and motorsport use only. It is not legal for use on public highways in most regions.

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