1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 81Get this manual

1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 81

CHARGINGSTARTING SYSTEM
Testing The Battery Charging System
6 AMP BATTERY CHARGING COIL

CAUTION
When testing any charging system, the technician must use an amp meter capable of reading the maximum current output for the test being performed or higherFailure to use amp meter that can handle the specific current load could possibly damage the meter being usedIMPORTANT: RectifierRegulator must be functioning properly for accurate test results to be obtained1Disconnect the red lead from rectifierregulator2Connect RED (+) ammeter lead to the rectifierregulator RED wire and BLACK () ammeter lead to the disconnected lead3With engine running at the indicated RPM, the ammeter should indicate the following approximate amperes:

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