Well, I have checked the coil and the pick-up coil, they are good; I have swapped the module for another used one and swapped the ECM: nothing changes.
Indeed the coil could be damaged inside in a way that does not show on the ohmmeter, maybe I should change it?
What else is there?

Last edited by wave1957; 09/18/2010 9:22 PM.

'57 Chevy Suburban; '70 Chevy Impala.