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I changed coil, bad fuel and starter relay, distributor cap and rotor. Still no spark. I ran jumper from negative coil terminal to body and the car started up. I disconnected the jumper while car was still running and car stopped-spark emitted from jumper. This was a mistake. Car will not spark again. Yes-do not disconnect any electrical while car is running. I am back to square one, but I believe I narrowed my original problem down to a bad/open wire/connection within the ground to the coil. I will now follow the black/white negative wire for faulty/open connection or bad ground. Any suggestions?

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Q: What causes a 1989 Chrysler New Yorker to suddenly lose Spark?
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