1997-2004 Honda Fourtrax Recon TRX250TE/TM Service Manual, Page 330Get this manual
LIGHTSSWITCHES
SPEED SENSOR (After 2001 :TE model)
INSPECTION
Disconnect the speed sensor 3P connector
Measure the voltage between the BlackBlue+and Green-wire terminals at the harness side
3P connector
There should be battery voltage when the ignition switch is turned to "ON"If there is no voltage, check for an open circuit in
the related wiresIf there is voltage, check the sensor as follows
Connect the inspection adapter to the sensor 3P
connectors
TOOL: Inspection adapter
07GMJ-ML80100