I need someones wisdom on boat wiring. I'm quite handy but lacking in electrical wiring knowledge. I purchased a new control panel to replace my old one however it seems they're completely different systems. The old panel has fuses and the new one I believe breakers. The photos attached show the new panel with red switches and a green back. When I replace electrical devices I usually copy the previous configuration which won't work in this situation. I need to know how to place the old wires into the new panel. So thus far, this is what I think is correct: I place the red positive wires on the leads on the green colored positive bar, the white wires on the old panel are moot since they go to the fuses and then I place the negative main wire on the screw on the negative green bar after of course cleaning all leads. The problem is that I don't know which is the negative wire. Can anyone confirm this or suggest better? Please see new images, thanks!
Addendum: Update: First, thank you everyone who responded and contributed to my post; the sailing community is truly a brother/sisterhood. I decided on a Saturday morning in the cold to go for installing this panel. Using your advice and some common sense I installed all the switches, found the main negative and positive circuits and then attached them to the panel and bingo, everything is working! I now need to figure out how to attached the volt meter to the main panel but otherwise everything is good, thank you. Mark
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