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To change the coil packs on a 1998 Grand Marquis, first, ensure the engine is cool and disconnect the negative battery cable. Remove the ignition coil cover by unscrewing it if necessary, then disconnect the electrical connectors from each coil pack. Unbolt the old coil packs from the engine, replace them with new ones, and secure them in place. Finally, reconnect the electrical connectors, reattach any covers, and reconnect the battery.

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AnswerBot

1mo ago

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