Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 470Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 470

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SERVICE MANUAL NUMBER 24

aEngine Coolant Temperature (ECT) SensorHarness ConnectorLocking Tab The ECM supplies volt signal to the ECT through resistor in the ECM and measures the voltageT