Start Circuit( New Alternator & Old Inst. panel- EC240B/290B ) POWER FROM BATTERY 80A F16 15A F30 15A POWER FROM BATTERY RELAY to IND. AG 1 PT150 PT150 B+ F1 10A INDI AMP START To DC-DC Converter A/S T/E L 4 INSTRUMENT PANEL 1 1 12 7 9 8 AUTO GREASE CONTROLLER WB 2 0.75Y 3 0.75B 5 4 0.5L 0.5W 6 B+ JB2 JB9 A/C ES to VECU to VECU to Air Contioner to Relay EMS power M - + 4 B- Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 21 40A 40A 40A 2 3 SL from safety lever I.C REG. L W OFF ON B+ BR R1 R2 C ACC M Cluster Control I.C REG.