1996 Johnson/Evinrude Outboards 50 thru 70 3-Cylinder Service Manual, Page 135Get this manual
STEPSENSOR COIL TESTQUIKSTART MODELS Ground Test
1Disconnect the 5-pin Amphenol connector between the timer base and power pack
2Set peak-reading voltmeter to "POS" and "5", "SEN" and "5" on Stevens CO-77 meter3Alternately, connect voltmeter between each timer base terminal and clean engine ground Crank engine and observe meter at each connection Any reading indicates sensor coils or leads are grounded Locate and repair ground, or replace timer base4If no reading is indicated in Step 3, go to Output Test Output Test
1Set peak-reading voltmeter to "POS" and5"" SEN" and "5" on Stevens CO-77 meter
2Attach voltmeter black lead to terminal "E"Alternately attach meter red lead to terminalsA", "8", and "C"
3Crank engine and observe meter at each connection If meter shows 1.5 volt or higher, go to Step If meter shows less than 1.5 volt, check condition of wiring and connectors If wiring and connector condition is good, go to Ohmmeter Test