Just to add to this issue after some investigation.
Apparently you can no longer purchase a CD with the Service Manual/Wiring Diagram information. From what I can tell everything is now on line.
I did receive an email from the TechAuthority specifying the following; "The Service information is now found in the Service Library which has been relocated to the web site at
www.stellantisiop.com. You will need to create a Field User on the MTSP (Mopar) web site and assign a TechAuthority subscription to access the Service Library. Then you need to create an account on the Stellantis web site."
So you have to purchase a subscription from TechAutority to access the Service Library on the Stellantis site. The cheapest subscription is a 3 day usage pass for $36.95 USD.
You can peruse the Service Library on the Stellantis site once you have created an account and entered your VIN. You can also see recall and service bulletin information as headings but you cannot access the details of the document, you need the subscription to do that.
I didn't look into it any further. I don't know being that it is now on-line if you could download the information to your PC. Regardless I couldn't find a specific wiring diagram file listed that would show the entire electrical system. They were broken up into each individual electrical component.
For those who purchased a Service Manual CD years ago. I had trouble getting access to my CD as if you remember you need to run it using Internet Explorer which is long gone. It took me some time but I was able to find IE within Windows 10 and it asks you to run it in the OLD mode. I did this and I was able to access the Service Manual. You also need to make IE as your default browser, you can change it back when you are completed.
Hope this is helpful information.