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Old 08-07-2008
geolarry geolarry is offline
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Depth finder

I am a novice (dumb ass) at elctricity. I am trying to install a depth finder in my 1982 Catalina 27. I have a "house" battery. Can I just put a switch in the lines connecting the depth finder to the battery or do I need some kind of step down device? HELP!
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