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Home >> Geo >> 1989 >> Tracker Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation >> Computerized Engine Controls >> Input Devices >> Park/Neutral Switch (A/T)
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Park/Neutral Switch (A/T)

ECM monitors park/neutral switch, and receives a voltage signal when transmission is in any position except Park or Neutral. This input signal is used by ECM to help determine control of fuel injectors and idle speed control solenoid.

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