Mercury Force 9.9, 15HP Outboards Service Manual, Page 91Get this manual
BBTROUBLESHOOTING (SEM SYSTEM) STOP SWITCH #1 CYL COIL ENGINE GROUND
#2CYL COIL
STATOR PLATE
NOTE: COIL IS GROUNDED INTERNALLY TO COIL LAMINA TES
LANYARD SWITCH
ENGINE GROUND
TEST POINT
Tesl1Ignition Spark Te st
STl Spark tester leads to 111 and 112 spark 38 InGap plug leadPull starter ropeNOTE: Lanyard must be in plsee on lanyard switch for ll 18sts=
READING
TESTER SETTING
II no spark, go to Test 112
T8112: lanya rd Switch Test
LS1 Remolle BLKYEL from switch terminalLS2 Rem ove BLK lead from switch terminal