Ammeter Bypass a Must?

RustyRatRod said

To your question. Is it a must? No. If all your wiring is in good shape and ALL you need is a good ammeter, I would just replace THAT. On my 64, I inspected everything very closely when I got it because I was aware of that issue. But everything on this car looked great, so I cleaned everything up on the back of the cluster and it's been working fine since I brought it home in January of 2019......after it had sat in one spot since about 1980 or so. It's still working fine.

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The gauge hasn't moved in a bit. Then I broke the ear on my alternator. Bought a lifetime from auto zone. Didn't know it was shipped to China for a rebuild. Grrr. Had issues when a VR lead broke. Replaced that. Alt was putting out .01 more than batt voltage with field grounded. Replaced alt. New vr from China. So ordered a MP USA unit. Just was wondering, if the gauge being dead would affect things...and would just jumping it would alleviate any issues? And do I need to use another volt gauge? Where is a good source for a new factory one?
Thanks, Rusty... Sorry for Y'alls Massive Loss Brother