1971 Johnson 125HP outboards Service Manual, Page 84Get this manual
SECIION ELECIRICAL SYSIEM
TABLE OF CONTENTS
PAGE DESCRIPTION 7-5 TROUBLESHOOTING THE ELECTRICAL SYSTEM 7-5 BATTERY SPECIFICATIONS 7-5 STARTER SYSTEM 7-7 REMOVAL OF STARTER 7-7 DISASSEMBLY OF STARTER 7-7 CLEANING, INSPECTION AND REPAIR 7-8 REASSEMBLY OF STARTER 7-8 INSTALLATION OF STARTER 7-9 AMPERE ALTERNATOR SYSTEM TROUBLESHOOTING THE ALTERNATOR SYSTEM 7-9 TROUBLESHOOTING THE CHARGING SYSTEM 7-9 CHECKING RECTIFIER DIODES 7-9 BLOCKING AND SHIFT DIODES 7-11 CHECKING BLOCKING DIODE 7-11 CHECKING SHIFT DIODES 7-11 ALTERNATOR CIRCUIT CHECKS 7-12 STARTER CIRCUIT TROUBLESHOOTING 7-13 CLIPPER CIRCUIT TROUBLESHOOTING 7-14 ALTERNATOR CIRCUIT TROUBLESHOOTING 7-16 WIRING DIAGRAM End of Section 8