1968 AC equipped confusion

One reason right there why parts manuals are so valuable.
Funny story how I got that manual. My buddy who worked at the dealer parts department let me take it home over the weekend. My then girlfriend, now wife of 38 years, took it to her job at a copy store with one of those monster Xerox machines. It was a lot bigger job than she thought it would be, even with what was then a very advanced machine. She was a little pissed, but got over it. I got my 1968 parts manual and my buddy got rid of me bugging him at work looking up parts for a 14 year old car.