Energy production with ADR equipment Equipment key MIDLUM EURO 4 Page 27 (300) Code Title of the function Location A001 Electrical distribution box in cab B2c A002 Chassis-cab connection box B2c A004 Battery/batteries C4d A009 Alternator B3c A014 Power fuse box unit (FM1 to FM4) C4d B103 Key switch unit C2c M002 Starter A3c S004 Accessories power supply relay No.1 B2c S020 Starter relay B2c S021 Alternator circuit earthing relay (ADR) B2c S022 Alternator controlled power supply relay (engine running) B2c W100 Alternator circuit draw resistor B2c W503 Diode on information relay power supply circuit (engine running) B2c X001 Electrical connection terminal B4d X907 Ground power receptacle C5d