When replacing the OEM speaker due to it being damaged or replacing it with a premium aftermarket speaker, the aftermarket speaker does not easy connect to the OEM harness. Metra provides a quick and easy solution by providing a harness that plugs into the aftermarket speaker and directly plugs into the OEM speaker harness for a plug and play design. This harness works in EURO MAZDA NISSAN 1987-2011 .
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