1998 Johnson Evinrude "EC" 2 thru 8 Service Manual, P/N 520202, Page 127Get this manual
STEPCHARGE COIL TEST Ground Test
1Set peak-reading voltmeter to
2Separate both the brown lead and brownyelliow lead between charge coil and power pack
rn 3Alternatelycoil brownyellow lead terminal, and clean connect meter between charge coil brown lead terminalcharge
engine groundCrank engine and observe meter at each connection Any reading indicates charge coil or leads grounded Locate and repair ground, or replace charge coil4If no reading is indicated in Step 3, go to Output TestOutput Test 1Set peak-reading voltmeter to are
rn 2.red lead meter black lead to one charge coil leadAttach Attach meter to remaining charge coil lead3Crank engine and observe meter If meter shows 180 volts or higher, go to STEP POWER PACK CRANKING TEST If meter shows less than 180 volts, check condition of wiring and connectors If wiring and connector condition is good, go to Ohmmeter TestOhmmeter Test