Join Date: Jul 2001
Thanked 31 Times in 30 Posts
Rep Power: 16
Re: Alternator Output Wire
Tatia, here's the WHY of how the boats were wired with one wire from the 1-2-B switch C post to the alternator and starter. When you route your AO to the house bank, you need to use a NEW wire, and disconnect the small wire between the starter and alternator.
OEM 1-2-B Switch Wiring History Alternator/Batteries & "The Basic" 1-2-B Switch BEST Wiring Diagrams
It was also discussed in Maine Sail's article.
Stu Jackson, Catalina 34, 1986, M25 engine, Rocna 10 (22#), Maple Bay, BC, Canada