2007-2009 Honda TRX300EX TRX300X service manual, Page 345Get this manual
LIGHTSSWITCHES If the continuity inspection is abnormal, disconnect the neutral connector (page 19-10)Check for continuity between the neutral switch terminal and body ground in the same manner If the continuity inspection is normal, open circuit in wire harness between 2P (Natural) connector and switch connector If the continuity inspection is abnormal, replace the neutral switch (page 19-10)
REVERSE SWITCH
Check the main wire harness for open or short circuit or loose connection before inspectionRelease the clamp and slide the rubber boot off connectorsDisconnect the switch 2P (Natural) connector and check for continuity between the reverse switch side connector and body ground CONNECTION: GrayBody ground