ELECTRICAL SYSTEM MLC650 SERVICE/MAINTENANCE MANUAL
3-6
Published 09-09-16, Control # 229-09
Relay Description Relay Description
K1 Left Starter Motor Relay (not shown) K7 ECM Key (start)
K2 Right Starter Motor Relay (not shown) K8 DEF Pressure Hose Heater
K3 ECM Bus (300 second TDO) K9 DEF Supply Module
K4 ECM Bus K12 DEF Return Hose Heater
K5 Ignition Bus (10 second TDO) K13 DEF Suction Hose Heater
K6 Crane Bus K14 Not Used