Humminbird Fishfinder 565 With Transom Mount Transducer "check 80 amp inline fuse" Questions

...80's at different voltages.is it a 12v 24v or larger? without a year model I'll have no reference to what wiring schematic Is the fuse connected inline with the trolling motor? what size amp fuse are ...

...check the poswer circuit. More times than nor we see blown circuits (usually easily fixable by a competent repair depot) because of no inline fuse or too large a fuse rating. Max should be 3 amps for ...