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I checked the voltage at the idle shutoff where the 24v ties in. It originally read at 24.2v before cranking and dropped to a fairly consistent 20.3 when cranking. So battery is definitely low, but above the 18v you said it needed. It didn't even give an inclination of firing, is it possible both ...

Thank you for the advice and quick response. I just checked what you listed and it all appears to be working order. While check all of it, I did test battery volage and one battery is a little low reading at 12.3 volts. Is that a possible issue?

As for the items you listed, this is what I found.
1 ...

I need some advice on where to start. I think I am having issues with my pinzssi 4.0 system. From what I tested, I don’t seem to have spark. Any advice on how to diagnose a 4.0 pinzssi system would be greatly appreciated. Some sort of checklist.

Some background; I have had this 710 for about 3 ...