Referencing your request for electrical schematics: If you have not yet done so, create an account on the Thor owner website: https://www.thormotorcoach.com/owner-login/
. You will need to register your VIN number. Once in your account, you will find many documents that will help you with your RV. If you select the "schematics" section on the dropdown, you may find the electrical schematics. If not, send them an email, with the VIN,requesting the schematics. I had to wait several days, but they did arrive.
I received this advice from another forum member, and it was very beneficial.