Trouble installing aftermarket radio 1999 a4 quattro
I got a cheap radio just for the Bluetooth and aux, and i bought a wiring harness for the install. I followed the diagrams on the harness and radio but when it comes to playing music just the driver speaker works. Did i mess up the wiring somewhere or is there more I don't know? I do have the bose system and just have the metra 1784 harness and thats all.
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