RC Bait Boat - boatman boat Boatman CL Series Bait Boat:With Sonar and GPS. 1t release bait and hook-key navigate to position,then open and close hopper as well as return Automatically. 2t hopper,one-key open hopper and close automatically. 3-key navigation,one-key return. 4.8 GPS positions. How To Wire A Boat | Beginners Guide With Diagrams | New It’s pretty standard in boat wiring to bypass the main battery switch for one thing: The boat’s bilge pump float switch. This way, even if your battery switch is off, if your boat starts filling with water the pump will still kick on. I’d rather have a dead battery than a swamped boat.