Year/body/stereo options.

In general every NEW set of speakers comes with new wires for positive and negative. I advise buying a new set of even entry level speakers and wiring them in.

Further, your window seal isn't perfect moisture will fall down between the window and the door and can overtime cause corrosion. If it happens extremely quickly the rubber seal on your window is probably bad and needs to be replaced.

Further, I know its cheaper, but try to avoid used speakers, without an accurate history you can often be buying someone else's worn out POS.

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