DODGE RAIDER 1990 3.0 V-6 NO SPARK

Has anyone else had first-hand experience with this problem, such as an owner or a mechanic? Has the problem ever been the ECU (engine computer, ECM, whatever it is called)? I want to fix it myself. Is
there a sure fire way to test it, or some simple test that bypasses a whole bunch of tests?
Thanks in advance.
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