Flickering head lights, what am I missing

I went after that long small gauge alternator field wire that I had hooked to the disconnect.
I wired in an under hood relay that provides the field current to the alternator. It is triggered off the ignition wiring that triggers the fuel pump relay, MSD box, ,,,
All the flickering is absolutely gone.
I did not want to mention it earlier to not confuse the issue but I had installed a volt meter in place of the OE Amp meter and that voltmeter was twitching like crazy. I though possibly I had a wonky VM, but no it was also signaling a problem.
All the lights are rock solid now, and so is the VM.
Much Thanks

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