Johnson Evinrude Outboard Motors 1956-1970 1.5-40hp repair manual., Page 245Get this manual
ELECTRIC GEAR BOXES amp gauge for the testReplace the wires after the test is completedDisconnect the shift leads at the rear of the engineTemporarily lay piece of cloth or other insulating material under the wires to prevent them from shorting out during the following testsAgain operate the shift lever and note the current lossIf the current draw is still more than 2.5 amperes, then check for short in the control box switch or wiringIf the current draw is normal with the leads disconnected from the engine, then check for short in the gear case coilts) or wiringIf the coil leads are shorted to each other, both shift coils would be energized, stalling the engine or causing serious damage to the dr iveshaf t, 3- Shift Coil Tests Testing the shifting coils is accomplished by first disconnecting the wires at the rear of the engineNext, connect an ohmmeter first to one shift coil lead and ground, and then to the other in the same mannerA reading of more than 1+.5 to 6.5 ohms indicates short in the coil or leadNo reading at all indicates an open circuitIf the results of this test indicate short in the cirucitthe lower unit must be disassembled and inspectedSee Chapter 84- Testing Shift SwitchForward To test the switch for the FORWARD position, make contact with one probe of continuity meter (or test light) to the terminal (purple or red lead) and to the forward (green lead) terminal with the other probeNow, move the shift lever to the FORWARD positionThe meter should indicate continuity (or the test light come on),