So, Art, if you're reading this, first I should note that, contrary to what I said on Monday, the voltage stabilizer in my '80 and the spare I had from my '79 are not exactly like the one in the picture. Similar, though.
I replaced the suspect item with the spare and proceeded to try and dissect it. But without drilling out a rivet I could only peek inside. There's not much in there and I don't know the proper terminology to describe it but there are three leads from the circuit board which is the back of the unit that connect to some sort of small component inside the box. Protruding from the other side of the small component is springy piece of metal which is fastened to the shell by the aforementioned rivet. Not much to fix unless one of the leads were broken. So I didn't mess with it any further.
The gauges are still reading lower than I think they should using the other stabilizer. Could this mean that they're getting less than 10V or whatever is normal?
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'80 DL 2 dr