Gulf Stream / Spartan Scenic Cruiser 8381

[DiverDan444]

60yo US Navy retired. 1999 Gulf Stream / Spartan Scenic Cruiser 8381: Just bought this lady a year ago and am really lost. Hopefully I can find some answers.
I’m an engineer, but the lack of documentation on these is huge…

 

[Flipman]

So what is the problem or question?

 

[Boze33]

2001 8407 YSB Spartan with a Cummins

Hi Dan. I probably have a very similar schematic as yours. Let me knowvif you have any specific questions
All the best
Bill