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i just got a new amp and when i turn my volume down i can hear a constant sound that goes with my engine through my subs...any idea what it is
 

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Wanna B Jack o all Trades
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did you run the rcas with the power wire? Also try running a ground from the radio to the ground of the amp, its called a reference ground. If its a Pioneer radio you might need to wrap a ground around the rca terminal of the radio to the radio ground as well if the internal micro fuse is gone
 

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did you run the rcas with the power wire? Also try running a ground from the radio to the ground of the amp, its called a reference ground. If its a pioneer radio you might need to wrap a ground around the rca terminal of the radio to the radio ground as well if the internal micro fuse is gone
x2!
 
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