i bet this question has been asked a billion times by now, but i still need help. i use an inverter and the machine has onboard sound. the buzzing is horrible with just a direct wire to the 1/8" input on my head unit. if i use one of those ground loop isolators from radio shack, the buzzing is muted a bit, but still pretty bad. i tried "grounding" the machine, but i couldn't get it to work/figure out where to wire it. would getting a battery lead adapter instead of using the cigarette lighter help? any suggestions would be great
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noise in audio