I’m probably going to have questions on each area as I go, so thought I’d post this in the restoration, building, hull repair section. My first question is about the electrical system...
There is a 1/2/both/off switch operating 2 group 27 interstate deep cycle batteries, housed in a compartment under the forward raised casting deck.
The red cable (through 70A breaker) runs about 10 feet (to the transom) to the positive side of an insulated buss, and then on to a Blue Sea fused distribution panel.
The black cable runs (from an insulated ground post in the battery compartment) to the negative side of the transom pos/neg insulated buss.
Power to two Scotty elec. downriggers is done directly from pos/neg buss. A Lowrance x400, nav lights, and 1000gph bilge pump are powered from the distribution panel through a (fused) switch panel that also has a battery meter, and a USB plug in.
In another forward compartment is another deep cycle battery that powers a bow mount trolling motor (with the fuse just off the battery)
The outboard is a Yamaha 25hp 4stroke tiller, which had a rectifier charging the batteries through a guest onboard charger, but... the charger was old...went “poof”...and I couldn’t find a way to put the smoke back in.
I removed the rectifier and the onboard charger from the system, and now am left with what seems like two electrical systems that are both isolated from both the outboard, and the hull.
I’ll mention that the old decks (and probably transom wood) were treated ply... I’ve already found a couple of pinholes in the transom areas where the carpeted decks contacted the aluminum.
I’ve recently read enough about marine electrical systems to know that the corrosion could be from the copper content in the treated ply, but also from an electrical system that is not quite right... specifically things not being grounded correctly. So... thought I’d ask...
Anyone see any problems with this system as I’ve described it?
