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Home >> Lincoln >> 1992 >> Mark VII LSC >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - EEC-IV >> Computerized Engine Controls >> Input Devices >> Brake On-Off (BOO) Switch

Brake On-Off (BOO) Switch

BOO switch is mounted on the brake pedal. It signals the ECA of conditions requiring air/fuel ratio adjustment.