Unfortunately the HUD from a 2000 will not work in an 04 or above. Most of it is wiring related and the dash itself wouldn't allow the fitment for the 2000 HUD as far as i know.

I'll refer you to the beginning of this thread http://www.grandprixforums.net/addin...3-gp-8171.html as this is what I used to wire mine into my 97