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Home >> Saab >> 1990 >> 900 Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Input Devices >> Gear Selector Switch

Gear Selector Switch

Automatic transmission models are equipped with a selector position switch that signals ECU when transmission is shifted into Drive. ECU signals automatic idle control valve to increase idle speed by 50 RPM.