Our Fleece Performance adapter harness allows the 2004.5 2005 LLY Duramax to run the updated turbo vane position sensor that is used on 2006 and up Garrett turbochargers. Produced in house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back on the road quickly. Application Notes Replaces Garrett 771864 0001 For use with Garrett vane position sensor part number 763527 0712 For use with Garrett turbocharger part number 848212 5001S