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.
Product Details
- 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 temp 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.
Features
This harness when installed in conjunction with a Haltech Nexus S3 ECU opens the door to virtually limitless performance modification and tuning of your vehicle. Fully programmable systems allow you to extract all the performance from your engine by delivering precisely the required amount of fuel and ignition timing that your engine requires for maximum output under all operating conditions.
