7730 ECM and already tried multiple chips including a factory chip with my Painless VATS bypass.

Scanner shows no injector pulses and no codes. Spark tester on #1 and #4 spark plug wires show no spark.

Sounds like a bad HEI module?

Opinions?

 

Sounds like that could be causing your problem. Ive seen it a couple times before.

 

Well, I have two other modules in my tool box. I'm going to change it out today and see

Funny thing, the distributor is a brand new Davis Unified unit within the last year. Maybe they use poor-quality ignition modules?

 

Sounds like your "painless VATS bypass" isn't working.

 

Actually, it turned out to be the module after all.

Here's the details....

https://www.thirdgen.org/techbb2/sho...hreadid=227670