Alternator Removal And Installation - Mercury 200 OptiMax Jet Drive Service Manual

Engine Speed
Current output is low
Current output is high

Alternator Removal and Installation

Removal
Performing service or maintenance without first disconnecting the battery can cause product damage, personal injury, or death
due to fire, explosion, electrical shock, or unexpected engine starting. Always disconnect the battery cables from the battery
before maintaining, servicing, installing, or removing engine or drive components.
1. Disconnect the battery cables from the battery.
2. Disconnect the fusible link cable from the alternator output terminal.
3. Disconnect the excitation/sensing wire connector from the alternator.
a
b
90-8M0050731 MAY 2011
Alternator Current Output at 21 °C (70 °F)
1000
2000
3000
4000
5000
Current Output Troubleshooting
Current Output - Amps (± 3)
Battery cables are loose or corroded
Defective battery (open circuit)
Defective alternator
Accessories turned on
Defective battery (internal short)
Defective alternator
WARNING
!
a - Fusible link cable
b - Excitation/sensing wire connector
32049
Charging and Starting System
28
45
50
52
53
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