NORTHSTAR MANUAL82.5. LOCATION OF SEACOCKS AND THROUGH-HULL FITTINGS(*) Not available in all models3. SYSTEMS AND CIRCUITS3.1. ELECTRICAL SYSTEMA main cut off switch is provided inside the aft storage by the battery box.This cut-off switch disconnects the battery from the electrical system ofyour boat.A switch panel with fuses are provided on the console for electricalequipment. You can control the navigation lights, pole light, livewellpump(opt), shower pump and the bilge pumps. Since your boat isequipped with two automatic bilge pumps, separate 3 position switches onthe console are provided for their operation. When your boat remains inthe water, leave bilge pump switches at Auto position for automaticoperation.Above is how your electrical switch panel looks like. Fuses are found in thefuse holders below the switches. To replace, open the fuse holder with ascrew driver and close after installing a new fuse. Periodically check yourfuses and carry spares.