1970 Johnson 115 HP Outboard Motor Service manual, Page 93Get this manual
STARTER CIRCUIT TROUBLESHOOTING COMMON ENGINE
SA TY CUTOUT SW ITC H
':" COMMON NGI NE GROUNO
T ES LI GHT
C"MON ENGINE GROUND
I BA TTER V
I ITES LIGH T
COMMON ENG INE
GROUND BE FORE TROUBLESHOOTING: 1U engine does not turn over, check fuse in starter circuit, refer to diagram 2If fuse checks good, pr oceed in checking condi tion of batteryinspect cables and leads fo worn insulation, and check all connections making sure they are tight and cleanSTEP1
aRemove white lead from safety switch at check