2003+ Suzuki DF9.9/DF15 four stroke outboard motors service manual, Page 48Get this manual
IGNITION AND ELECTRICAL
INSPECTION!Always disconnect the battery before commencing resistance test
CONDENSER CHARGE COIL OUTPUTPeak Voltmeter Stevens CD-77 Tester selector: POS 500 1Disconnect the condenser charge coil lead wire connector2Connect the test probe to the coil lead wires as shownTester probe connection(Red)(Black) Green BlackRed 3Remove the all spark plugs4Crank with the recoil starter, then measure voltageCondenser charge coil output: 144 or over If the measurement is out of the specification, replace the condenser charge coilBR G