Back years ago I requested wiring diagrams from Monaco Tech support, this is when they actually existed and helped. Besides the standard wiring diagrams for the house I requested a Chassis wiring diagram.
Not sure how much a 2002 will be different from a 2000 but it might help.
When you open it and zoom in the drawing will be blurry, hit CTRL5 at the same time and it will clear right up. I use the search function to try and find stuff, once you figure out the labeling it works pretty well.
If I want to save a view I print it to a PDF file and name it and save it to my files. It will also be blurry when you open it, just hit CTRL5 at the same time.
2002 Monaco Windsor 38 PKD Cummins ISC 350 8.3L
2005 Jeep Grand Cherokee w/5.7 Hemi