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Home >> Jeep >> 1997 >> Grand Cherokee 4WD L6-4.0L VIN S >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Inputs >> Signal Ground

Signal Ground

SIGNAL GROUND-PCM INPUT

Signal ground provides a low noise ground to the data link connector.

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