Bigdawg4209

i picked up a 5.3 from a 2008 avalanche with full harness and computer for so cheap but im trying to see what are the differences from a 1999-2006 harness so i can use a standalone harness insead so i can drop it in a trailblazer what would have haveto change {i already know about the DBC difference and ev6 injecter change} any help is appreciated