05-04-2016, 01:23 PM
I had a similar problem. When you start your motor the voltage in the battery can go down to as low as 10 volts. This will cause your fishfinder to shut down or have other problems. I just bought a new battery with more reserve power so that when you run your electronics in your boat for a while it doesn't put as much of a drain on your battery. This should fix the problem.
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