2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 96Get this manual
IGNITION SYSTEM IGNITION TESTS
IGNITION TESTS
WARNING
Resistance Test
Disconnect condenser charge coil lead wire connectorConnect Adapter Leads, PIN 342228, and Ohmmeter test probes to coil lead wires as shownTester probe connection Probe Other Probe Green BlackRed
Always disconnect the battery cables at the battery before beginning resistance tests
Condenser Charge Coil