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aftermarket stereo

  1. Chevy C/K Truck Forum
    hello, i'm new here so just hoping for some assistance. having problem with my radio and speaker wiring. all of my speakers work except the drivers front door speaker. if i test the wires with a test light i get power through all wires including the negative speaker wires for all speaker...
  2. Member Garages
    New here so patience please and thank you in advance. 06' Silverado, no swc, Bose or on-star. Installing a pioneer avh-120bt bought the pac os-2x. Fairly simple to hookup. The head unit turning off and on which I think is a firmware update in the pac, but I also have poor sound quality. All my...