Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 92Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 92

CHARGINGSTARTING SYSTEM
Alternator System Test
6 Ampere Stator

ACAUTION
When testing any charging system, the technician must use an ammeter 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: Rectifier (optional accessory) must be functioning properly for accurate test results to be obtained1Remove RED lead from (+) terminal of rectifier2Connect RED (+) ammeter lead to rectifier (+) terminal and BLACK (-) ammeter lead to RED rectifier lead3With engine running at th indicated RPM, the ammeter should indicate the following approximate amperes:

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