1999 EE Johnson Outboards 25, 35 3-Cylinder Service Manual, Page 115Get this manual
STEPPOWER COIL TEST Ground Test 1Disconnect 4-pin Packard connector between stator and ignition module2Set peak-reading voltmeter to
3Connect the meter black lead to clean engine groundAlternately connect meter red lead between the orange and orangeblack stator leadsCrank engine and observe meter at each connection: Any reading indicates power coil is grounded Locate and repair ground, or replace stator assembly
4If 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 orangeblack stator lead Attach meter red lead to the orange stator
3Crank engine and observe meterIf meter shows 30 volts or higher, go to STEPCHARGE COil TEST If meter shows less than 30 volts, check condition of wiring and connectors If wiring and connector condition is good, go to Ohmmeter TestOhmmeter Test