2001-2005 Honda TRX250EX Sportrax TRX250EX Factory Service Manual, Page 274Get this manual
IGNITION SYSTEM ALTERNATOR EXCITER COIL PEAK VOLTAGE NOTE: Check the cylinder compression is nor mal and the spark plug is installed correct ly in the cylinder head
Disconnect the ignition control module (lCM) connec-
torsConnect the peak voltage lester or adapter probes to
the Blaclo;Jred terminal of the wire harness side 2P con-
nector and groundCONNECTION: Black red Body ground
Shift the transmission into neutralTurn the ignition switch and the engine SlOp switch to the positionCrank the engine with the starter motor and read the
To aVOId eecrnc shock, do nor rouc'J lhe spark
plug or tester probes durmg Ihls