Which battery is best to hookup the humminbird 10 si mega? I'm running 24 volt trolling motor and 12 volt cranking. If I go off one of the trolling motor batteries will the difference in draw between the two have much effect on them as a pair? If I go off the cranking battery will there be cause of concern for a surge during cranking? Thanks in advance for any suggestions.
Never connect electronics to the trolling motor batteries. You are more likely to get a surge from the TM than the big motor and interference can be a major problem from the TM.
PYLE PSWNV120 24-Volt DC to 12-Volt DC Power Step-Down Converter with PMW Technology - 120 Watts (PSWNV120) from Solid SignalI have a 24 volt system also and I use a 24 volt to 12 volt step down converter and it works great. Here's a link to walmart for 21.00
I run 2 Helix 10s off the crank and never had an issue.
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