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power to the coil pack but no spark coming out new pack

1991 Chrysler New Yorker 3.3 no spark. I have a new coil pack have power going to it but none coming out is there a safety cut off switch?

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Dave, Check all fuses, have vehicle scanned for diagnostic codes. There are a few reasons for no spark, new coil pack could be defective, crank sensor, ignition module or bad wire in primary circuit, faulty ECM/PCM.

You may have to have a good technician have a look, diagnose and estimate repair.

Second link gives detailed instructions for testing and diagnosing coil pack.

I hope this helped you out, if so let me know by pressing the helpful button.

Check the attached links,instruction and guides, Good luck

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Most likely the crank or cam sensor. Had the same problem with my Mitsubishi. Got fuel. Had compression. Wires were all hot but no spark. New coil packs, plugs, wires, battery, fuses, but no spark so I looked into it and the crank and cam sensor is basically a distributor causing the spark to go to the coil packs and to fire in the correct order. Without them your engine will turn over but won’t start.

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Dave will be eternally grateful.
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