if your coach came with a dvd, try looking at it using Adobe Acrobat Reader. my dvd had every diagram (plumbing, wiring, etc), in .pdf file format, for each of the 5er for that year.
John, Joyce & Libby the Yellow Lab. - Fulltime since `08
2005 Kountry Star FW-35LKSA by Newmar
2012 Ford F-450 Lariat