Audio Systems: 2000 chevy suburban, chevy suburban, antenna kit

Question
I purchased an aftermarket stereo,amp and sub to install in my suburban. I purchased the wire harness and dash kit and antenna kit. I wired everything as required yet i get No sound when i PLug the harness to the truck. Power Yes...Sound NO...WhyDo I have the wrong harness?...Please help and Thanks

Answer
maybe you have the bose sound system on that vehicle in that case you need to turn on the factory amplifier  plue wire on radio  
two amplifier inside doors and one under your seat for the rear speaker

http://www.installdr.com/InstallDocs/GM/PDF/460029.pdf