Posted December 13, 201113 yr Aight my buddy did some work in his truck unplug subs an amp from his second battery. Plugs everything back up an hes getting a nasty interference annoying hum from his subs only does this when the truck is on
December 13, 201113 yr Sounds like a bad ground I had that issue and to solve it I Re did the ground on my secondary battery and no more feedback and the big 3 also helped lol
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