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Home >> Jeep >> 1998 >> Cherokee 4WD L6-4.0L VIN S >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Functional Operation >> Inputs and Outputs >> Outputs >> Ignition Coil
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Ignition Coil

IGNITION COIL
System voltage from the Automatic Shut Down (ASD) relay is supplied to the ignition coil positive terminal. The powertrain control module (PCM) operates the ignition coil. IGNITION TIMING IS NOT ADJUSTABLE. The PCM adjusts ignition timing to meet changing engine operating conditions.

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