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Im running a stock active system bar the Ken wood head unit.
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I had to change the iso lead as the original pulled itself apart.
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However I now get a whining noise from the speakers which seems to change with the engine revs.
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Also there's
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Would appreciate any help as wiring is the one thing I don't do lol.
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From my basic knowledge I would guess at maybe a bad earth somewhere?
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Thanks in advance