2007-2009 Honda TRX300EX TRX300X service manual, Page 341Get this manual
LIGHTSSWITCHES Disconnect the braketaillight 3P (Black) connector and remove the braketaillight assemblyReplace the braketaillight as an assembly
Connect the 3P connector to new braketaillight assemblyInstall the braketaillight assembly by aligning the bosses to the grommets
IGNITION SWITCH
INSPECTION
Remove the top cover (page 2-4)Remove the ignition switch 2P (Green) connector from the air guide and disconnect itCheck for continuity between the switch side connector terminals in each switch position Continuity should exist between the color coded wires as follows :