Start Circuit( New Alternator & New IECU- EC160B/180B/210B/240B/290B ) POWER FROM BATTERY 80A F16 15A F30 15A POWER FROM BATTERY RELAY to VECU JA21 POWER TO IECU CLOCK 1 PT150 PT150 RE3101 B+ INDI AMP START A/S T/E L 3 2 4 1 1 12 7 9 8 AUTO GREASE CONTROLLER WB 2 0.75Y 3 0.75B 5 4 0.5L 0.5W 6 B+ SL JB2 JB9 A/C ES to VECU JA61 from safety lever to VECU to VECU to Air Contioner to Relay EMS power M - + 4 B- to VECU JA7 Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 22 40A 40A 40A 2 3 I.C REG. L OFF ON B+ BR R1 R2 CA CC M I.C REG.