Wiring Harness Woes

69, I've discovered that not all the service manuals are created equal. There might be some help in this one:

http://www.mymopar.com/index.php?pid=109

Link. It's big, nearly 700 mb

http://www.mymopar.com/downloads/servicemanuals/1969_Plymouth_Service_Manual.zip

So far as the dome problem it appears to be just an extension of the rest of the dome lighting, IE a hot and a yellow going to the common switches to ground