I'm replacing the old sonar on the bow of my boat. The old one was spliced into the trolling motor wiring, and I'd much rather run a dedicated power to avoid interference and give me more trolling motor time.

Last year, my console sonar was also giving me trouble I believe was related to power supply. The screen would flicker when there were other things drawing power like the aerator or bilge pump.

So my question is, can I kill two birds with one stone and run one power supply to the bow, with the console unit spliced in halfway? Or will I need to do two separate wires? And if I need two, would you suggest insulating them to prevent interference?

Thanks!
David

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