590D - EXCAVATOR 16 ELECTRICAL SYSTEMS Parts group 16 ELECTRICAL SYSTEMS 1672 ALTERNATOR, REGULATOR AND CHARGING SYSTEM WIRING . Alternator (42 AMP, 24 Volt) ( - 319999) Alternator And Pulley ( - 319999) Alternator w/ Voltage Regulator (24V - 40 Amp) 1674 Wiring Harness And Switches . Converter (24V To 12V) CAB ELECTRICAL COMPONENTS CAB ELECTRICAL COMPONENTS Electrical Components ( - 002719) Electrical Components (002720 - ) Electrical Components Electrical Components Weatherpack Terminals and Connectors INTAKE AIR HEATER CONTROLS 1676 Instruments And Indicators . GAUGE PANEL Select group 16 ELECTRICAL SYSTEMS John Deere: 1672 ALTERNATOR, REGULATOR AND CHARGING SYSTEM WIRING 1674 Wiring Harness And Switches 1676 Instruments And Indicators