I still have my factory Bose system in my 93 and it sounds good as new whenever i'm just sitting in my driveway without the car started. But whenever I start my car it sounds as if all the sound is reduced and the bass has vanished. It surfs around the speakers like i have a speaker testing system or something. Also the left door wires aren't working. How hard is it to replace those wires?? Thanx.

Justin

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Metallic Purple 1993 Z28 A4 (3.23 gears). Flowmaster with echo chambers, cutout, K&N Filter w/ cut stock airbox, 160 thermostat. First track time: (hot & humid) 14.95 @ 93.53: NHRA conversion for 3600 above sea level 14.32 @ 97.97