you can actually do it alot easier..all you need to buy is a bezel from an 03+ and the stock radio bucket it's self. Here is a link to a couple of how too's from another gm forum...good info and lots of pics, I've done this twice, but never with the factory bucket..I'm getting ready to do my truck and i'm gonna try that way I'll be sure to take a bunch of pics ....here is the link Double din in a 99-02 - GMFullsize Forums