If you are using a factory harness and are after an easy ECU upgrade, take a look at Haltech Plug 'n' Play Adapter Kits. These adapters 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 adapter into your vehicle.
Suits: Plug 'n' Play replacement of the factory ECU for Subaru WRX STI VA MY11-19 Australian Delivered. Includes WRX GE/GH MY11-14 ADM, WRX STI GE/GH MY 11-14 ADM, WRX GV/GR MY11-15 ADM (excluding 2013), and WRX STI VA MY15-19 ADM. Manual transmissions only.
Includes: Injection molded plastic 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.
