Gas gauge not working? I think I fixed it.

Pawned don't feel attacked and thanks for posting your findings and your work process to your results.
I have been lurking waiting to see how this would work out for you and found it very interesting and informative.
I am not presently working on my guages but it is likely I will be soon. I am always glad to see post from folks like yourself who have been their before me to make it easier for us guys that doesn't know where to turn with a repair.
Nice to see your efforts rewarded with a working gauge.
Hope I don't need this repair on my cars, but thanks for sharing even if I don't.
Remember people are on the side lines tuned in even if they don't join with a comment.
I am impressed and at the very least came away with some good soldering tips for resistors.

Resistors are normally not heat sensitive like semi-conductors are.
I had not intention of pulling the cluster, but the 5vdc regulator I put a few months ago took a dump.
It looks like my soldering was not that great as the input wire was disconnected and still had the solder attached to it.
I had started with the resistors again until I remembered the definition of CRAZY.
Doing the same thing over and over again and expecting different results..

That is when I started thinking about the circuit as a whole and not just the meter.

When I find something that can be fixed and I fail to fix it, I get stubborn and grind on it until I fix it or die, whichever comes first