Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 28Get this manual

Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 28

IGNITION COMPONENT DESCRIPTION ELECTRONIC CONTROL UNIT (ECU)

STATOR 12
Stator has charging bobbinsbobbin for each ignition moduleStator has two functionscharges ignition capacitor in each module; and in the event of ECU failure, stator controls spark timing ATDC by triggering ignition modu lesOne lead of each bobbin provides voltage for CDM while other lead provides trigger voltage
Under normal conditions, ECU controls:

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