Try these guys.This the link to the upgrade.You have to go to the home page for there number.
RipTech Engineering: 1968 - 1986 Jeep® CJ - Basic Wiper Upgrade Kits
Read this Thread.There's some good details in there on your subject by Jeep Hammer.I think he has 3 posts in these.Interesting reading
http://www.jeepforum.com/forum/f8/bad-diodes-alternator-cause-1284063/
http://www.jeepforum.com/forum/f8/alternator-battery-prob-487595/
From posts i have read for California.It's better to go to the emissions place and find the Manager and see whats required.They have info there they follow as to what you need.Wouldn't hurt anyway,at least you know what your up against.
Good Luck