That ugly dab of silastic you'd originally mentioned was my doing, I'd gone and replaced that cell with a fully charged (larger) one, just to make rule that out,
but re-installed the original again, I was gonna order a replacement, but my usual supplier didn't have that particular one.
Should've maybe mentioned that, to begin with.
For context, I hadn't used the camera in quite a while, I wanna say over half a year?
I repair some niche older motorcycle electronics as a side gig and really only use it for finding non-obvious shorts there, beyond that, I barely have a use for the thermal cam, but it sure is very nice for that.
Either way, I am curious to see if the fault will be found and what it ended up being.
For what it's worth, I can follow what you're doing, by the descriptions, even though it's not in my skillset