Originally Posted by
huntersdad
Is there any chance that it could be interference through my battery disconnect switch? Currently I have one battery that runs the trolling motor the other battery operates the outboard as well as the helix. The positives from both batteries run through the switch, I have a negative on both batteries tied together. When I did my battery charger test yesterday evening one thing I forgot to do was disconnect the charger from the trolling battery so don't know if it could be interference coming through the negative terminal since they're always connected. With the switch set to battery one I should only be pulling current from Battery one and not the trolling battery so just really at a loss so far.
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