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 VW/Audi 1.8T AWP ONLY (2001-2006) Volkswagen Golf Mk4 GTI, Bora/Jetta, Beetle, Polo GTI, Audi A3, A4 Quattro Sport, TT Mk1 (8N), Skoda Octavia vRS & SEAT Leon, Toledo. Manual transmission only.
Includes: Overmoulded molded plug 'n' play adaptor harness, M14 x 1.5 air Temperature Sensor with matching plug and pins, auxiliary I/O 6 Pin DTM06-6P and pins.
Notes: The CAN dash support was developed on a 2003 VW Beetle - other models may not be supported or have reduced dash functionality.
