SYSTEM DIAGRAMS B-Type Instrument Panel for 3JH4E SD Operation Manual 67 © 2009 Yanmar Marine International 27 Engine Oil Low Pressure Switch 28 Alternator (Option) 29 Alternator 30 Water in Sail-Drive Seal Sensor (on Sail-Drive) 31 Water in Sail-Drive Seal Sensor Am- plifier (Sail-Drive Only) 32 Battery (Option) 33 Battery 34 Diodes 35 Instrument Panel (Sub Station) (Op- tion) 36 Wire Harness 37 Alarm Lamps 38 Fuse (3A) 39 Diodes 40 Instrument Panel (Main Station) (Op- tion) 41 Wire Harness 42 Wire Harness for Sub Panel 43 Only for Sail-Drive 44 Relay 45 Option 46 Procured by Customer 47 Battery Switch 48 Ground Bolt 49 Only for Sail-Drive Color Coding 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 1 Starter Switch 2 Stop Switch 3 Tachometer / Hour Meter 4 Buzzer 5 Lubricating 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:
Option) 10 Fuse (3A) 11 Starter Switch 12 Stop Switch 13 Tachometer / Hour Meter 14 Buzzer 15 Engine Oil Low Pressure Alarm 16 Coolant High Temperature Alarm 17 Water in Sail-Drive Seal Alarm 18 Battery Low Charge Alarm 19 Option 20 Alarm Lamps 21 Air Heater (Option) 22 Engine Stop Solenoid 23 Stop Relay 24 Starter Relay 25 Starter 26 Coolant High Temperature Switch