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Home >> Saab >> 1989 >> 900 SPG >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation >> Computerized Engine Controls >> 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.