Lots of Static 1990 BMW 325

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Installed new hd unit in '90 325.  Lots of static coming from all the speakers.  I am told there is a factory amp which could be the source the source of the problem. Any suggestions / recommendations?

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  • If there is a factory amp, yes, you should disconnect it and run speaker wires direct from headunit to speakers. Also, the speakers are getting pretty old.

    GLH Geeked

  • Had to ground my stereo behind tape deck to the #1 & #4 RCA connections in the back of my deck to cut out the hissing. It worked.