Control System33Service Manual – SW4000Wiring Diagram (SW4000 Petrol/LPG)DISPLAY ELECTRONICBOARD FUSE (F3)POSITIVE SIGNAL(FROM MACHINE ON “K4”)BATTERY NEGATIVE TERMINALFILTER SHAKER/VACUUM SYSTEMSWITCH (SW3)HORN (HN)HORN SWITCH (SW6)J1.9 - Electronic board power supply -J1.18 - Machine moving signalJ1.7 - Drive system electronic board diagnostic signalJ1.8 - Lifted hopper signalJ1.10 - Broom electromagnetic switch power supplyJ1.2 - Broom activation lever signalJ1.5 - Broom fuse voltage drop reading -J1.4 - Broom fuse voltage drop reading +J2.1 - Control panel switch power supply (+)J2.3 - Filter-shaker activation signalJ1.17 - Water pump activation signalCONTROL PANEL ELECTRONIC BOARD (EB2)J2.2 - Vacuum system activation signalJ2.4 - Control panel switch power supply (-)J1.15 - Fire alarm signalJ1.13 - Key returnJ1.6 - Fuel reserve signalJ1.12 - Filter-shaker relay power supplyJ1.11 - Vacuum system relay power supplyJ1.14 - Electronic board configurator returnJ1.1 - Electronic board power supply +REVERSE GEARBUZZER (BZ1)VACUUM SYSTEMRELAY (K1)FILTER SHAKERRELAY (K2)HOPPER LIFTINGRELAY (K3A)HOPPER LOWERINGRELAY (K3B)SIDE BROOMRELAY (K5)DUSTGUARD™PUMP RELAY (K6)DUSTGUARD™SWITCH (SW8)MAIN BROOMELECTROMAGNETICSWITCH (ES1)HOPPER LIFTINGSENSOR (S1)MAIN BROOMLEVER SENSOR (S2)SIDE BROOM LEVERSENSOR (S3)HOPPER LIFTING/LOWERINGSWITCH (SW5)HOPPER ENABLINGSWITCH (SW4)FUEL RESERVESENSOR (S4)BCADEP200095A