What is wrong

1988 Ford crown vic has new battery and new cillionoid started fine now will not shut off then the engine slowed and stopped after a minute now when I hook up the negatives it Sparks

Clarify please, You disconnected the battery and now get sparks when reconnecting the cable?

Sounds like you mixed up the wires on the starter solenoid.

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Yes I went and got a nother cillionoid because it was bad I will replace it tomorrow