1997 Johnson Evinrude "EU" Electric Outboards Service Manual, P/N 507260, Page 35Get this manual
Controller TestP.W.MModels
INotel To avoid damaging components, temporarily disconnect a
battery cable before proceeding
1Remove the steering housing coverDisconnect RED and BLACK motor tube wires from terminal block and push wires aside for test
[] 2To provide load for the controller output, move direction indicator bulb BLACK wire to the BLACK wire terminal from the controller, and indicator bulb RED wire to the RED wire terminal Connect voltmeter positive lead to controller RED wire terminal and voltmeter negative lead to controller BLACK wire terminal 3Reconnect battery cableTurn speed control wheel to SLOW positionSee instructions in P.W.MController and Motor Test in this section to find "Zero" point[] 4Turn speed control wheel to each position, starting with zero degrees, push ONOFF switch, and note voltage readingVoltage at Indicator Ught Speed Control Position Angle