Electrical
Section
2B - Charging and Starting Systems
Table of Contents
Charging and Starting Specifications.................................2B-2
General Troubleshooting
................................................... 2B-2
Starter Motor Components.................................................2B-4
Starter Motor and Solenoid Electrical Components........... 2B-6
Wire Color Code Abbreviations..........................................2B-8
Charging System............................................................... 2B-8
Charging System Wiring Diagram.............................. 2B-8
Troubleshooting the Charging System....................... 2B-8
Testing the Stator Charge Windings...........................2B-9
Regulator/Rectifier Diode Test....................................2B-9
Voltage Regulator/Rectifier Removal and Installation
.............................................................................. 2B-10
Starting System................................................................2B-11
Starting System Description..................................... 2B-11
Starting System Components................................... 2B-11
Starter Solenoid Test................................................ 2B-11
Troubleshooting the Starting Circuit......................... 2B-11
Starting System Wiring Diagrams.............................2B-12
Starting System Troubleshooting Chart....................2B-13
Starter Motor.................................................................... 2B-13
Starter Motor Current Draw...................................... 2B-13
Starter Motor Removal..............................................2B-14
Starter Motor Disassembly....................................... 2B-14
Starter Motor Reassembly........................................ 2B-15
Starter Motor Installation...........................................2B-18
Charging and Starting Systems
90-8M0125265 eng NOVEMBER 2017 © 2018 Mercury Marine Page 2B-1
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