Old Start Circuit( EC360B/460B) To Auto Grease Controller To Room Lamp, Diesel Heater, Fuel Filler Pump, DC-DC Converter Slow Blow Fuse Main Power Supply to Fuse Box 40A 40A F30 10A To Auto Grease F16 15A F1 10A Controller To DC-DC Converter INSTRUMENT PANEL 80A B+ W IC Regulator Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 23 Cluster Control C From VECU (Safety Stop) SS From Safety Limit SW R2 ACC AS4 ES VECU VECU SW Relay Con. To To Power Air EMS B OFF ON + BR R1 R2 C ACC