1993 Johnson Evinrude "ET" 60 degrees LV Service Manual, P/N 508286, Page 235Get this manual
Starter System Voltage Drop Test By making systematic check of the starter syste'm, any component or electrical connection having excessive resistance can be located
i and remove all spark plug leads
'" Avoid accidental starting of engine while servicing; twist
Clean and retighten, or replace, any connection, cable, or component having greater than specified voltage dropr:;l 1Connect voltmeter positive lead to battery positive postConnect voltmeter negative lead to starter solenoid positive terminalTurn key switch to START to crank engineVoltage reading should not exceed 0.3 voltIn Step 2, connect the voltmeter leads only while the engine is crankingor damage to the voltmeter can occurf41 2Connect voltmeter negative lead to the starter side of the starter solenoid terminalWhile cranking engine, connect voltmeter positive lead to starter solenoid opposite terminalVoltage reading should not exceed 0.2 voltRemove voltmeter positive lead from starter solenoid and stop cranking enginef51 3Connect voltmeter positive lead to starter solenoid, starter lead term inalConnect voltmeter negative lead to starter motor terminalTurn key switch to STARTVoltage reading should not exceed 0.2 volt1sl 4Connect voltmeter positive lead to battery negative lead common powerhead ground screwConnect voltmeter negative lead to battery negative postTurn key switch to STARTVoltage reading should not exceed 0.3 volt