1989 Honda FL400R Pilot Service Manual, Page 245Get this manual
LIGHTSSWITCHES
NEUTRAL SWITCHREVERSE SWITCH
INSPECTION
Disconnect the 4P connectorThe neutral switch is functional if continuity exists between
the LgR wire terminal of the switch side and body ground
only when the transmission is in neutralThe reverse switch is functional if continuity exists between
the Gr wire terminal of the switch side and body ground only
when the transmisson is in reverse position
If there is no continuity as described, remove the switch cover and check the neutralreverse switch wire connector for loose connection or corroded terminalsDisconnect the connector and also check the neutral or reverse
switches for continuity between each switch terminal and body ground (how to check: see above)If there is no indication of trouble from the preceeding tests,