What does your control panel look like?? It may have the manufacture info on it.
FYI - Place your motorhome info in your signature. Makes it easier for others to see what you have when they respond to any queries. Look at mine and others to get an idea what to put in your signature line. Goto the User CP to edit yours..
1999 Fleetwood Southwind 35S (Ford F53 6.8L V10 275hp 4R100 4 spd trans) - Toad 2003 Saturn Vue.
It won't do MACH 2, but I can get a sandwich and take a pee.