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Old 07-07-2016, 09:39 PM
Admirals Club Admiral's Club Member
Join Date: Jun 2012
Location: Destrehan LA
Posts: 230
Received 9 Likes on 8 Posts

The switches don't need ground wires. I have no ground wires on my dash panel. Each item, lights, bilge, livewell pump Etc. Are all grounded to a bus bar in the back of the boat by the battery. The switches just break the connection so ground isn't needed by them. I'm actually re wiring my boat now. As it's not the same brand as yours but many are wired similar. I just purchased an updated switch panel off a 2015 nautic star as mines a 2005 and it's wired the same way with no grounds by the switches and circuit breakers. So I'm sure your boat has a ground bus bar somewhere that, that 10 gauge wire runs to.