Download Haltechs Quickstart Guide Here Harness Overview: Upgrade your Nissan Skyline R34 GT-T or Stagea WC34 Series with the Haltech Elite 2000/2500 Plug'n'Play Adaptor Harness. Designed for a seamless ECU upgrade, this harness connects directly to your factory harness, simplifying the installation process and allowing you to be up and running in just a few hours. Key Features: Plug'n'Play Installation: The harness features factory connectors on one side and Haltech ECU connectors on the other, ensuring a straightforward installation without the need for complex wiring modifications. Comprehensive Kit: Includes an injection molded plastic plug 'n' play adaptor harness, M14 x 1.5 air temp sensor with matching plug and pins, and an auxiliary I/O 16 Pin Tyco plug and pins. Ease of Use: Accompanied by a quick start guide to assist with the installation process, along with a full ECU manual and software on a CD or USB key when purchased as part of a kit with a Haltech ECU. Compatibility: Vehicle Suitability: Specifically designed for Nissan Skyline R34 GT-T and Stagea WC34 Series models. Transmission: Compatible with manual transmission only. In the Box: 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: Ensure your vehicle is equipped with a manual transmission for compatibility with this harness. Why Choose Haltech: Haltech is a leader in engine management technology, providing advanced solutions for performance tuning. The Elite 2000/2500 series ECUs are known for their reliability, user-friendly interface, and powerful tuning capabilities, making them a top choice for enthusiasts and professional tuners alike.