rpilachowski-
First off, welcome to iRV2!
Second, you should add a "signature" to your profile. It contains whatever info you want; most people put info about their coach there, so they don't have to type it into each message. Instructions for adding a signature are
here.
You don't say which 2006 Tour model you own. The plumbing diagrams for 2006 Winnebagos/Itascas are at this
link.