Thanks. I'm using the main ground cable to the distribution block. The cable tests out with a 12.8V circuit. The radio works fine directly connected to the battery. All circuits fail to work. Tracing the ground integrity next.
Again, thanks for the reply.
Recently I replaced my on board charging system and added a new VHF radio. The electrical distribution block was long in the tooth, so I decided to update that as well. I have a two-battery system on a Perko switch, newer batteries - both showing 12.8V on my multimeter. So when I connect...
