Nice rare Canadian car only, no 66 Monaco Convertables in the USA.
Your alternator was not overcharging, that exactly what it does for the first 15 seconds or so after starting, then should register a mild charging situation for the next little while until it brings the battery back up to full c...
So sad to see her go. I worked on the Amerikanis as the pianist in the show band briefly in 1994. She was a great ship. I was given a rare tour of the engine room, and other "off-limits" areas as well.
I made many friends of the crew, and wonder how many of them are doing.
That band just NAILED it at the Rex!! Killer show.