Welcome aboard....I know where Snyder is located...I grew up fro a few years in Odessa.
As for the manuals, most items are supplied by companies such as Dometic or Norcold for a frig, and so on. Do a net search with the manufacture and model number. Monaco might be able to help on wiring and plumbing diagrams.
Amateur Radio Operator (KE5DFR)|Full-Time! - 2012 6.7L Ford Crew Cab Dually -2013 HitchHiker Champagne 38RLRSB - Travel with one Standard Schnauzer and one small Timneh African Gray Parrot