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Home >> Mercury >> 1976 >> Capri II Ghia, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electric Assist Choke >> Operation

Electric Assist Choke: Operation

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At temperatures below approximately 60°F (16°C), temperature switch is open and no current is supplied to ceramic heater. Normal thermostatic spring choking action then occurs. At temperatures above 60°F (16°C), temperature switch closes and current is supplied to heater. As heater warms, it causes thermostatic spring to pull choke open.