Electrical System
Section 4C - Charging System
Table of Contents
Precautions........................................................................4C-2
Specifications.....................................................................4C-2
Alternator and Brackets Exploded View............................ 4C-4
Periodic Maintenance........................................................ 4C-6
Alternator Removal............................................................ 4C-6
Alternator Installation......................................................... 4C-7
Serpentine Drive Belt.........................................................4C-7
Sterndrive Models.......................................................4C-8
Replacing....................................................................4C-9
Troubleshooting............................................................... 4C-10
Before You Begin..................................................... 4C-10
Charging Output Tests............................................. 4C-10
Voltage Drop Test (Alternator Circuit)...................... 4C-11
Sensing and Excitation Circuits................................ 4C-12
Battery Will Not Recharge........................................ 4C-13
Battery Isolator Diagrams................................................ 4C-14
Charging System
90-8M0099748 eng DECEMBER 2015 © 2016 Mercury Marine Page 4C-1
4
C
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