1999 EE Johnson Outboards 25, 35 3-Cylinder Service Manual, Page 116Get this manual
STEPCHARGE COIL TEST Ground Test
1Disconnect 4-pin Packard connector between stator and ignition module2Set peak-reading voltmeter to "POS" and "500"
3Connect the meter black lead to clean eng ine groundAlternately connect meter red lead between the brown and brownyellow stator leadsCrank engine and observe meter at each connection: Any reading indicates charge coil is grounded Locate and repair ground, or replace stator assembly4If no reading is indicated in Step 3, go to Output Test
Output Test
1Set peak-reading voltmeter to "POS" and "500"2Attach meter black lead to brownyellow stator lead Attach meter red lead to the brown stator
3Crank engine and observe meterIf meter shows 220 volts or higher, go to STEPIGNITION MODULE TEST If meter shows less than 220 volts, check condition of wiring and connectors If wiring and connector condition is good, go to Ohmmeter Test