HARNESS OVERVIEW
If you are using a factory harness and are after an easy ECU upgrade - this is a product for you. These adaptors plug directly into your Haltech ECU and have a set of factory connectors on the other side which plug straight into the factory harness.
A simple Haltech Plug'n'Play product that allows you to be up and running in just a few hours.
The quick start guide will walk you through installation of the Haltech Plug'n'Play adaptor into your vehicle.

Suits: Mazda Miata (MX-5) 1.8L VCT NB8B (01-04), 1.8L Factory Turbo SE (Aus), Mazdaspeed NB8C (04-05 USA) with 3-plug 3-row factory ECU. Manual transmission only.

Includes: Plug'n'Play adaptor harness, M14 x 1.5 air Temperature Sensor with matching plug and pins, auxiliary I/O 16 Pin Tyco plug and pins. waterproof USB cap, USB programming cable.