SYSTEM DIAGRAMS B-Type Instrument Panel for 4JH4AE SD Operation Manual 71 © 2009 Yanmar Marine International 1 Starter Switch 2 Stop Switch 3 Tachometer / Hour Meter 4 Buzzer 5 Engine Oil Low Pressure Alarm 6 Coolant High Temperature Alarm 7 Water in Sail-Drive Seal Alarm 8 Battery Low Charge Alarm 9 Relay (for 2 station - Optional) 10 Fuse (3A) 11 Starter Switch 12 Stop Switch 13 Tachometer / Hour Meter 14 Buzzer 15 Lubricating Oil Low Pressure Alarm 16 Coolant High Temperature Alarm 17 Water in Sail-Drive Seal Alarm 18 Battery Low Charge Alarm 19 - 20 - 21 Air Heater 22 Engine Stop Solenoid 23 Stop Relay 24 Starter Relay 25 Starter 26 Coolant High Temperature Switch 27 Engine Oil Low Pressure Switch 28 Alternator (Optional) 29 Alternator 30 Water in Sail-Drive Seal Sensor Am- plifier (on Sail-Drive) 31 Water in Sail-Drive Seal Sensor Am- plifier (Sail-Drive Only) 32 Battery (Optional) 33 Battery 34 - 35 - 36 Fuel Feed Pump (4JH4AE Only) Color cod- ing Description R Red B Black W White L Blue RB Red / Black LB Blue / Black YW Yellow / White YB Yellow / Black YG Yellow / Green WL White / Blue WB White / Black WG White / Green GR Green / Red O Orange WBr White / Brown