I am trying to replace my stock headunit with a newer Sony unit from my parts car. I have the stock premium Bose system in my car and am trying to salvage as much wiring as possible. What do I need to keep for the new HU? I am running three alpine amps that I have lying around.
WTF is this thing?

What wires do I need to keep?
WTF is this thing?

What wires do I need to keep?

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