The Weapon, thank you very much for the information you are giving me.
I have solved the problem. First I unplugged the RCAs altogether and the whine was there during engine cranking but not when the car was on (maybe I should couldn't hear it).
Since the wires are in a temporary state and not organized yet, the speaker wires were intertwined with the power wires. I straightened that all out and now there is zero noise whatsoever, during cranking or otherwise. It sounds perfect.
Thank you again!!!
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