Shelmc-
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.
Re: Manual. There are many possible manuals. Here are some questions that will help us determine which manuals might best help you:
1) What is the make, model and model year of your motorhome?
2) What is the problem/are the problems you are trying to solve?
3) Did you get any manuals with the motorhome when you bought it? If so, which ones?