This Plug and Play Haltech 1500 Elite management system is your ticket to COMPLETE control of your NA/NB MX5 build out. With the included 8ft PNP harness you'll be able to securely mount your ECU in the cabin, further isolated with the included firewall seal. We run this setup in our own shop turbo NB and it's been an incredible way to completely modernize engine and chassis control. 

 

Suits: Plug 'n' Play replacement of the factory ECU for Mazda Miata (MX-5) NA 1.6L and 1.8L with 2-plug, 2-row factory ECU. Manual transmission only.

Includes: Nexus S2 ECU, Injection molded plastic plug 'n' play adaptor harness, M14 x 1.5 air temp sensor with matching plug and pins, auxiliary I/O 16 Pin Tyco plug and pins.

Notes: Does not support USDM OBDII 96-97, Special Edition SE and Anniversary models. All manual transmission 1.6L variants will require the factory throttle position sensor to be unplugged and removed. A full-range throttle position sensor alternative must be installed for correct functionality. Failure to do so will result in erratic behavior of the ECU at wide-open throttle along with damage to the ECU. Using a Nexus S2 instead of a Nexus S3 will reduce some of the car's factory functionality. Refer to the quick start guide for details.