2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 323Get this manual
LIGHTSSWITCHES See page 19-7 for clutch switch tnSpecl;on
Chec fo con tin ity between the sw itch side con nectar terminals in each switch position Continuity should exist between the color coded wi res as shown below:
ENGINE STOP SWITCH COLOR
Blacklwhite
LIGHTING SWITCHDIMMER SWITCH COLOR