Only thing you need is the new headlights and corners, New 9007 Pig tails from any sunfire 95-02 or cavalier 00-02, Disable your DRL's, and the 00-02 headlight brackets.
This diagram...
What the bracket looks like..(silver thing).. Note how its tied into the fender****
Remove your dash in the car and cut this wire commin out of your gauge cluster..
Cut the current side marker bracket off your fenders.
Done ski!
I did this to my 99 this spring, Kinda know the in's and outs. Too many headaches with trying to keep the DRL's so i said fuck it. Any other Q's feel free to ask.