2007-2009 Honda TRX300EX TRX300X service manual, Page 343Get this manual
LIGHTSSWITCHES
CLUTCH SWITCH
INSPECTION
Disconnect the clutch switch connectors and check for continuity between the switch terminalsThere should be continuity with the clutch lever squeezed and no continuity with the lever released
BRAKE LIGHT SWITCH
Disconnect the brake light switch connectors and check for continuity between the switch terminalsThere should be continuity with the front brake lever squeezed and no continuity with the lever released