Fairly easy wiring on the earlier models Druid. First check sidelights work ok with ignition switch off, and there is current drain on ammeter (assuming you have one). If ok there then trace brown/white wire to ignition switch. If that shows as live (+12 volts) then check white wire(s) out of switch with ignition on. If any intermittency change ignition switch. Any generic one with ignition and spring detent start position should work.
