I've written a whitepaper describing steps to troubleshoot your IR system. The second page has a listing of what is plugged into where in what code.
http://www.chiefdelphi.com/forums/pa...le&paperid=263
You should also read Mike Walker's Intro to Programming whitepaper for some hints and tricks:
http://www.chiefdelphi.com/forums/pa...le&paperid=253