got the wires ran for the sonar, new battery just for the sonar, so now three battery to charge up, the tracker has a grey tube running from bridge to fantail ran a wall fish tape the length and hooked on the new wires easy as heck, thank you boat builder, must have been a fisherman in the engineering dept. had to cut the fin off the trolling motor and put a rubber spacer for the transducer, new on board charger wired up, I back baby.