no spark!!!!

[83 K20]

i took my truck off roading on thursday night and go stuck so deep that my 31 inch tires were underwater my truck got water in the engine so i got towed home pulled all the plugs and drained the oil then on friday i put new plugs and new oil in it and the truck started right up but did run a little rough but i thought it was just from a little water in the gas. on saturday morning i went to start it up and nothing. so i checked to see if i was getting spark with a spark tester and I'm getting nothing. truck still cranks over and I'm getting power to the distributer on the battery side

 

[1987 GMC Jimmy]

I'd clean all the distributor contacts and make sure they're all tightly plugged in, I'd take your ignition control module to be tested at a parts store, and I'd test your high energy coil. And I'd do it in that order.

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