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Home >> Geo >> 1990 >> Tracker Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Power Steering Pressure Switch

Power Steering Pressure Switch

Power steering pressure switch indicates to the ECM when power steering pressure is applied. The ECM uses this signal to alter engine speed and shut off A/C operation when high pressure is noted.