Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 53Get this manual

Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 53

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IGNITION SYSTEM
IMPORTANT: The COl unit can only be tested satisfactorily using volt meter (capable 01 measuring 400 volts DC or higher) and Direct Voltage Adaptor (91-99045), or Multi-MeterOVA