Key switch wiring diagram for pontoon boat?

A key switch wiring diagram for a pontoon boat typically involves connecting the ignition switch to the battery, starter, and various electrical components like the bilge pump and accessories. The switch usually has four terminals: battery (B), ignition (I), starter (S), and accessory (A). The battery terminal connects directly to the positive side of the battery, while the ignition and accessory terminals connect to their respective circuits. Lastly, the starter terminal connects to the starter solenoid to engage the engine when the key is turned. Always refer to the specific boat model's manual for precise wiring details.