2001-2007 (LB7, LLY, & LBZ) Chevy/GMC 6.6L Duramax Turbo-Diesel Pickups THIS MANUAL IS FOR USE WITH SYSTEM 48769 - 48776 General Installation Practices 1. Before starting work, familiarize yourself with the installation procedure by reading all of the instructions. 2. The exploded view (Figu...