1997-2004 Honda Fourtrax Recon TRX250TE/TM Service Manual, Page 308Get this manual
IGNITION SYSTEM With the ignition coil primary wire connected, connect the peak voltage adaptor or peak voltage
tester to the ignition coilCONNECTION: BlackYellow terminal (+Body ground- Turn the engine stop switch to "RUN"Crank the engine with the starter motor and read ignition coil primary peak vol agePEAK VOLTAGE100V minimum
PEAK VOLTAGE ADAPTOR
If the peak voltage is abnormal, check for an open ci rcuit or poor connection in BlackYellow wireIf not defects are found in the harness, refer the troubleshooting chart on page 17-3
IGNITION PULSE GENERATOR PEAK VOLTAGE
ICM CONNECTOR