blue wire

  1. A

    My system lost all its bass after switching to a more powerful head unit

    So, I was rocking a pretty cheap kenwood head unit before and everything worked well and had somewhat good bass. Then I bought a Sony MEX-GS820BT head unit and installed it by just unclipping the old one and its harness and putting the new harness + HU in (and the rca cables that run to my...
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