1988-1995 Mercury Force 5HP Outboards Service Manual, 90-823263 793, Page 122Get this manual
DOSCHEMATIC (SEM IGNITION SYSTEM)
STOP SWITCH ENGINE GROUND
ENGINE GROUND
TEST POINT
TESTER SETTING
READING
TEST 1: IGNITION SPARK TEST
ST1 Spark tester leads to spark plug lead Pull starter ropeNOTE: Lanyard must be in place on lanyard switch for all tests
If no spark, go to Test #2
TEST 2: LANYARD SWITCH TEST
LS1 Remove BLKIYEL from switch terminalLS2 Remove BLK lead from switch terminal