Chrysler 68238603AA Ignition Coil

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To check the 3.7L V6 and 4.7L V8 engines, start by removing the ignition coil and cleaning the outer case for any damage. Clean the coil primary terminals and check for corrosion. Use an ohm-meter to measure the primary resistance across the two terminals of the connector. Compare the measurement to the specified range and replace the ignition coil if necessary. To check the secondary resistance, connect one ohm-meter lead to the positive terminal of the connector and the other lead to the high-tension terminal at the coil and the spark plug wire terminal. Compare the measurements to the specified range and replace the ignition coil if needed. If the resistance values are within range but the coil is still misfiring or causing trouble codes, try swapping it with an adjacent coil. If the issue persists, consult a professional. For the 3.6L V6 and HEMI engines, follow similar steps but note that for HEMI engines, it may be easier to check certain coils on the bench. Clean the outer case and terminals, measure the primary resistance, and swap coils if necessary. For replacement, remove the necessary components, disconnect the electrical connector, and remove the ignition coil. Install the new coil by reversing the removal steps.

You should clean the coils with a dampened cloth and make sure to dry them thoroughly.

For these models, remove the engine cover and disconnect the electrical connector and spark plug wire boot for the companion cylinder from the ignition coil. Then, remove the coil mounting bolts and carefully pull up the coil with a twisting motion to disengage the rubber spark plug boot from the plug.

Start by removing the ignition coil and cleaning the outer case for any damage. Clean the coil primary terminals and check for corrosion on the coil tower terminal, cleaning it with a wire brush if necessary. Use an ohmmeter to measure the coil primary resistance by attaching the leads to the two terminals of the connector. Compare the measured resistance to the specified range and replace the ignition coil if it falls outside the range. To check the coil secondary resistance, connect one ohmmeter lead to the positive terminal of the connector and the other lead to the high-tension terminal. Compare the measured resistance to the specified range and replace the ignition coil if necessary. If the primary and secondary resistance values are within specification but the coil is still misfiring or causing trouble codes, try swapping it with an adjacent coil. If the issue persists, consult a professional for further testing.

Start by removing the ignition coil and cleaning the outer case for any damage. Clean the coil primary terminals and check for corrosion. Use an ohm-meter to measure the primary resistance across the two terminals of the connector. Compare the measurement to the specified range and replace the ignition coil if necessary. To check the secondary resistance, connect one ohm-meter lead to the positive terminal of the connector and the other lead to the high-tension terminal at the coil and the spark plug wire terminal. Compare the measurements to the specified range and replace the ignition coil if needed. If the resistance values are within range but the coil is still misfiring or causing trouble codes, try swapping it with an adjacent coil. If the issue persists, consult a professional.

Follow similar steps but note that for HEMI engines, it may be easier to check certain coils on the bench. Clean the outer case and terminals, measure the primary resistance, and swap coils if necessary. For replacement, remove the necessary components, disconnect the electrical connector, and remove the ignition coil. Install the new coil by reversing the removal steps.