Jeep 56032520AE Ignition Coil Replacement

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For a four-cylinder engine, disconnect the primary electrical connector and high-tension cable, and remove the mounting bolts.

Detach the cable from the negative battery terminal.

To replace the ignition coil on 2000 through 2006 six-cylinder models, remove the ignition coil rail assembly and clean the cases. Check the coil primary resistance by connecting an ohmmeter to the coil connector terminals. Compare the measurements to the specified resistance values. If the resistance is not as specified, replace the coil rail assembly. To replace the assembly, remove the mounting bolts and carefully work the spark plug boots off the spark plugs. Disconnect the electrical connector and remove the coil rail assembly. When installing the new coil rail, position the spark plug boots over the spark plugs and press the assembly down until the boots are seated. Install the mounting bolts and tighten them securely. Connect the electrical connector and lock it in place.