2006 SD Johnson 4 Stroke 9.9-15HP Outboards Service Repair Manual P/N 5006590, Page 98Get this manual
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IGNITION SYSTEM IGNIlON TESTS
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Condenser charge coil resistance: 12.5 to 18.8 Q
Connect Adapter Leads, PN 342228, and Peak Reading Voltmeter to coil lead wires