SYSTEM DIAGRAMS 3JH5E / 4JH5E with Keyless B and B x B Type Instrument Panel (optional) SD Operation Manual 77 © 2009 Yanmar Marine International 1 Option 2 Diodes 3 Buzzer 4 Engine Oil Low Pressure Alarm 5 Coolant High Temperature Alarm 6 Water in Sail-Drive Seal Alarm 7 Battery Low Charge Alarm 8 Fuse (3A) 9 SWITCH GLOW (I) / OFF (0) / STOP (II) 10 SWITCH START (II) / ON (I) / OFF (0) 11 Diodes 12 Switch 13 Tachometer / Hourmeter 14 Instrument Panel (Sub Station) (Op- tion) 15 Instrument Panel (Main Station) (Op- tion) 16 Relay 17 Wire Harness 18 Wire Harness for Sub Panel 19 Water in Sail-Drive Seal Sensor Am- plifier (Sail-Drive Only) 20 Procured by Customer 21 Battery 22 Battery Switch 23 Engine Stop Solenoid 24 Air Heater 25 Stop Relay 26 Starter Relay 27 Starter 28 Coolant High Temperature Switch 29 Engine Oil Pressure Switch 30 Option 31 Alternator 32 Ground Bolt 33 Water in Sail-Drive Seal Sensor (Sail- Drive Only) 34 Fuel Feed Pump 35 Details of Coupler (View from A-A) Color coding Description Engine Har- ness R Red + B Black - W White Ignition L Blue Air Heater / Glow (option) RB Red / Black Alternator Excit- er LB Blue / Black Alternator Charge Alarm YW Yellow / White Engine Oil Pres- sure Alarm YB Yellow / Black Engine Oil Pres- sure YG Yellow / Green Sail-Drive Seal WL White / Blue Water Tempera- ture Alarm WB White / Black Water Tempera- ture WG White / Green Seawater Flow Alarm GR Green / Red Fuel Filter Alarm O Orange Pulse For Tach- ometer WBr White / Brown Electric Stop