1997 Johnson/Evinrude EU 25, 35 HP 3-Cylinder outboards Service Manual, Page 116Get this manual
STEPPOWER COIL TEST Ground Test
1Disconnect 4-pin Packard connector between stator and ignition module2Set peak-reading voltmeter to "POS" and "500"
m 3Connect the meter blackleadsCrankclean engine observe meter at each connection: red lead lead to groundAlternately connect meter engine and between the two orange stator
Any reading indicates power coil is grounded Locate and repair ground, or replace stator assembly4If no reading is indicated in Step 3, go to Output TestOutput Test
1Set peak-reading voltmeter to "POS" and "500"
2Attach meter black lead to one orange stator leadAttach meter red lead to the other orange stator lead If meter shows 100 volts or higher, go to STEPCHARGE COIL TEST If meter shows less than 100 volts, check condition of wiring and connectors If wiring and connector condition is good, go to Ohmmeter Test