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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 >> Notes

Input Devices: Notes

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The ECM determines the control of various output devices based upon signals received from input devices. These devices can include sensors and switches, or simple monitored circuits, such as a RPM reference signal from the ignition coil. Not all input signals are used on all models. Available input signals include the following: