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1993 Jeep Grand Cherokee Ballast resistor?

The 1993 Jeep Grand Cherokee does not use a ballast resistor in the traditional sense like some older vehicles with points ignition systems. The 1993 model year uses an electronic ignition system. Therefore, there's no component you'd find labeled as a "ballast resistor."

If you're having ignition problems, the issue is likely with other components such as:

* Ignition coil: This is a more common source of ignition problems in these vehicles.

* Ignition module (control module): This module controls the ignition system.

* Crankshaft position sensor (CKP sensor): This sensor is crucial for the ignition timing.

* Camshaft position sensor (CMP sensor) (depending on engine): Similar to CKP, this is important for ignition timing in some engines.

* Wiring: Damaged or corroded wiring can also cause ignition issues.

Before replacing anything, it's best to have a mechanic diagnose the specific problem using a diagnostic scanner. They can identify the faulty component and prevent unnecessary part replacement.