I wasn't certain exactly where to post this PDF, as it covers a broad range of GM Trucks and SUVs and since it looks after-market and provides a wide range of views for some optional equipment... The "Performance" sub-forum looked like as good a place as any:
http://hotrodlane.cc/harnessinstructionsheets/vortecv8harness04252011.pdf
http://hotrodlane.cc/harnessinstructionsheets/vortecv8harness04252011.pdf