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Home >> Jeep >> 1993 >> Grand Cherokee Base, 5.2 Y, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - 5.2L >> Computerized Engine Controls >> Input Devices >> Hall Effect Switch

Hall Effect Switch

Hall Effect switch, also called a Hall Effect pick-up, is located inside distributor. This switch supplies PCM with engine RPM data and ignition timing information. PCM uses this information to advance or retard ignition timing as necessary.

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