Added 2nd Amp, Now Have Major Whine?

[Orion Man 10+ year member]

Hey all, I was running my Eclipse 4ch previously. The fronts ran the fronts and the rear ch's were bridged to my 1 12. I got the second amp all hooked up, didn't change a thing with the Eclipse, except removing the speaker wire that went to the sub (not needed). I double check everything, kick the car on, and whine! WTF? Can anyone help me?

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