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Home › Mercury › 1992 › Capri Base, Automatic › Repair and Diagnosis (Single Page) › Engine Performance › Theory and Operation › Engine Controls - Theory & Operation › Computerized Engine Controls › Input Devices › Electrical Load Switches

Electrical Load Switches

Blower control, cooling fan, rear window defroster, air conditioning, and headlight switches all send signals to the ECA. The ECA uses these signals for idle speed control.