1990 Johnson Evinrude "ES" 60 thru 70 Service Manual, P/N 507873, Page 275Get this manual
TroubleshootingPower Supply
r:-=J Before beginning this procedure, be sure:
Key switch is OFF and emergency ignition cutoff switch clip and lanyard is removed Engine battery is fully charged Engine battery cables are connected
1Connect voltmeter Black lead to clean engine ground2Check for voltage at battery side of starter solenoid If voltage, go to Step If no voltage, check battery condition and wiring'11 3Check for voltage at V2 If voltage, go to Step If no voltage, check Red lead between starter solenoid and relay bracket4Check for voltage at RedPurple leads on terminal strip If voltage, go to Step If no voltage, check engine harness RedPurple lead and engine harness 20 amp fuse'11 5Push DOWN trim button and check voltage at V4 If voltage, go to Step If no voltage, check trim switch and wiring'11 6Push DOWN trim button and check voltage at VS If voltage, go to Step If no voltage, check DOWN relayGo to Relay Ohmmeter