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Congrats Brian, these are indeed the original Porsche wires to the alarm key lock in the door. Let me say it is a poor construction so close to the door lock. Use some sticky putty to fix the wiring to the door and the same damage cannot happen again.
Nevertheless, it does not explain to me what the cause of the humming sound in the back originates. When the alarm relay is taken out, the wiring to the alarm lock in the door shouldn't be connected to any other electrical device. So my idea that there some connection between the original Porsche alarm wiring and some 'replacement' alarm wiring is still there.
I'm very curious if the Porsche alarm works as it should from now on.
Otto
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