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Home >> Jeep >> 2004 >> Grand Cherokee Overland, AWD >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition Control >> Ignition Coil Capacitor >> Operation

Ignition Coil Capacitor: Operation

The 2 coil capacitors are used to prevent high-voltage spikes from interfering with the operation of certain powertrain sensors. They are also used to help prevent radio interference.