1989 Johnson Evinrude "CE" 9.9 thru 30 Service Manual, P/N 507754, Page 290Get this manual
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3Connect voltmeter positive lead to starter solenoid, starter lead terminalConnect voltmeter negative lead to starter motor terminalTurn key switch to start engineVoltage reading should not exceed .2 volt4 Connect voltmeter positive lead to battery negative lead common powerhead ground screw Connect voltmeter negative lead to battery negative postTurn key switch to start engineVoltage reading should not exceed .3 volt