A few years ago I upgraded the alternator to a high out put Balmar. When I fired up the engine to see how much power it was producing I was shocked to see it wasn't producing any power at all. I went back and checked the installation, the regulator and all of the connections. Still nothing. Took the alternator to the local alternator shop and they were puzzled as it sort of worked a little, but couldn't help me (later I learned that there are P type and N type alternators, the shop wasn't familiar with my alternator). So I packed up the alternator and sent to Balmar. They said was working fine, producing plenty of power and shipped it back.
I reinstalled the alternator and still nada, no power. All this while prepping for a trip the the Bahamas right after Covid. While pondering the situation, staring at the engine and getting desperate for an answer I noticed the alternator service disconnect switch was in the off position. With the flick of a switch, I suddenly and miraculously had a fully functioning alternator.

Cheers!
