120C - EXCAVATOR 16 VEHICLE ELECTRICAL SYSTEMS Parts group 16 VEHICLE ELECTRICAL SYSTEMS 1671 BATTERIES, SUPPORT & CABLES . BATTERY, BATTERY CABLES, RELAY, AND COVER 1672 ALTERNATOR, REGULATOR AND CHARGING SYSTEM WIRING . ALTERNATOR AND WIRING HARNESS 1674 WIRING HARNESS & SWITCHES . CONVERTER (24-VOLT TO 12-VOLT) MIC CONTROLLER MIC CUSTOMER KIT AND CABLE (WITH MIC CONTROLLER) CAB DISPLAY MONITOR AND WIRING HARNESS MONITOR (UNITS BUILT AFTER OCTOBER 2002) CAB REAR ELECTRICAL COMPONENTS AND RIGHT CONTROL PANEL CAB REAR ELECTRICAL COMPONENTS AND RIGHT CONTROL PANEL BOOM MOUNTED FRONT WORK LIGHT AND WIRING HARNESS VEHICLE MAIN WIRING HARNESS AND MOUNTING OPTIONAL BOOM LIGHT ENGINE WIRING HARNESS ENGINE WIRING HARNESS AND CONNECTORS ENGINE CONTROL UNIT WIRING HARNESS ENGINE CONTROL UNIT ASSEMBLY MANUAL ENGINE CONTROL SWITCH BOX FRONT CAB LIGHTING Select group 16 VEHICLE ELECTRICAL SYSTEMS John Deere: 1671 BATTERIES, SUPPORT & CABLES 1672 ALTERNATOR, REGULATOR AND CHARGING SYSTEM WIRING 1674 WIRING HARNESS & SWITCHES