ELECTRICAL SYSTEM DRAWING FOR WP12 MARINE DIESEL ENGINE Monitor Water Temp, Sensor 24V Battery + - Oil Temp, Sensor Generator Oil Pressure Sensor Generator Schematic Diagram Engine Wiring Diagram B+ D+ W Starter Pin D1 Starter Pin D2 Starter Pin D6 Generator Pin D3 Generator Pin D5 Alarm Pin D4 D1 D2 D3 D4 D5 D6 Battery + 31 30 50 W B+ B- D+ - Generator Starter Generator Schematic Diagram 50 30 M 31 11 Engine Speed Sensor Starter Motor DF Regulator D+