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Yes, I have both 12v sources. The PCM is not providing the ground for any length of time. I am going to substitute a '96 PCM (I've aleady confirmed the important connections are the same - a couple of the 2000 circuits are not in the PCM, but they don't appear to be important for the test) just to see if I get the ASR and fuel pump, maybe start it. I also need to make sure that the ground pins in the connector to the PCM are making contact. That would kill everything, but considering that I also have a "no bus" condition and no communication with the scan tool I figure the PCM is bad.



The relay will ONLY come on for 3 seconds while NOT
cranking... it has to see the dist/firing input to
keep it engaged