well i ran across this link and its great. i just finished mine got about 50.00 bucks in parts and shipping. Its simple even though it seams daunting. work slow about a foot at a time and retape to keep the harness in shape. took me about 8 hours total but saved me a bundle now to texas speed for a reflash and im ready... Vortec 4.8/5.3/6.0 Wiring Harness Info