[Roadsters] Instrument regulator test

[John F Sandhoff]

It was written by another:
> I might also try using the modern replacement (IC on heatsink).
> I believe it provides a steady 8VDC instead of the pulse. It's also
> cheaper.

And not as accurate, I fear, unless it's a more complex than a
simple voltage regulator chip: 
> this simple box acts as a temperature compensator so the
> temperature-sensitive electric gauges are (relatively) accurate
> regardless of it being zero degrees or a hundred degrees" (or
> check the archives :-) ). In other words, you can't just replace
> it with a constant-voltage regulator.

-- John
     John F Sandhoff   sandhoff at csus.edu   Sacramento, CA