Thank you (ILENGINE) so much for your clarification. New OEM modules arriving tomorrow - with your information I now have high hopes of success (it will be so nice to be able to use my own mower again!).
You may have missed it in my OP - I did remove both grounding circuits and attempted to start. It cranks over at normal cranking rpm but no light off with or without ground wires connected. I never applied any direct voltage to the coils. New OEM coils are arriving Sunday - I'll post the...
I'm inclined to agree with your first thought of bad (new) modules - I did cheap out and went for the Chinese knockoffs - had fair reviews but you get what you pay for. This is an MDI system - only one wire going to each coil and that's simply a ground wire coming from ignition switch to kill...
Cub Cadet model #: 17AREACS010
Serial#: 1E309H10009
Engine: Kohler 7000 SERIES 22 hp
Model#: KT725
Serial #: 4906400854
Build Date: 03/05/2019
My background: Ford driveability tech for 25+ years - typically don't get stumped on engines but this is the exception. Engine has the updated (came new...