2006 Johnson SD 30 HP 4 Stroke Outboards Service Manual, PN 5006592, Page 78Get this manual
ENGINE CONTROL IGNITION TESTS
Power Pack Cranking Output Test
Connect the ignition coil lead wires to the power packConnect peak voltage tester to the ignition coil primary lead wiresRemove all spark plugsMeasure the power pack output at crankingIf the measurement is out of specification, replace the power packPower Pack Cranking Output Test Ignition coil No1 No.2 No.3 Tester probe connection Red (+) Orange Blue Light green Black (-) Black Black Black 64V or more Output
Emergency Stop Switch Continuity Test
Disconnect the emergency stop switch lead wireCheck for continuity between the switch leadsIf the measurement is out of specification, replace the emergency stop switchEmergency Stop Switch Continuity Test (Tiller handle models) Tester probe connection Condition Lock plate installed Lock plate removed Lock plate installedstop button depressed BlueRed Black Continuity Red (+) Black (-) Result Infinity Continuity