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So they tell me its a ground loop....
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<blockquote data-quote="knukonceptz" data-source="post: 1289317" data-attributes="member: 548221"><p>When you disconnect the RCA's is this at the amps? You have to do this in a process of elimination otherwise, your just going to be more confused.</p><p></p><p>If you unplug the RCA's at the amp, is the noise gone?</p><p></p><p>No Noise -Plug back in, its not the amp (amps will amplify what is inputted into them...strange concept....lol if noise is coming from HU/RCA its getting amplified)go to next step</p><p></p><p>Noise Present - You elimianted the HU and RCA's its the amp or ground</p><p></p><p>With the amp plugged in, Unplug the RCA's at the HU, noise gone?</p><p></p><p>No Noise - Now all that is left is HU/EQ, bypass the EQ and see which is bringing in the noise.</p><p></p><p>Noise Present - Noise is being absorbed by the cables, you eliminated the amp, now all you added was RCA cables = bad cable</p><p></p><p>The best option is to run 10 or 12 gauge speaker wire from the HU power/ground to the rear and connect power and ground of the HU to the same location as the amps. I say speaker wire because it is 2 conductor and easy to run one wire then two. Factory harnesses can often be noisey from ignition wires and such. Common power/ground points greatly ruduce your chances of noise</p></blockquote><p></p>
[QUOTE="knukonceptz, post: 1289317, member: 548221"] When you disconnect the RCA's is this at the amps? You have to do this in a process of elimination otherwise, your just going to be more confused. If you unplug the RCA's at the amp, is the noise gone? No Noise -Plug back in, its not the amp (amps will amplify what is inputted into them...strange concept....lol if noise is coming from HU/RCA its getting amplified)go to next step Noise Present - You elimianted the HU and RCA's its the amp or ground With the amp plugged in, Unplug the RCA's at the HU, noise gone? No Noise - Now all that is left is HU/EQ, bypass the EQ and see which is bringing in the noise. Noise Present - Noise is being absorbed by the cables, you eliminated the amp, now all you added was RCA cables = bad cable The best option is to run 10 or 12 gauge speaker wire from the HU power/ground to the rear and connect power and ground of the HU to the same location as the amps. I say speaker wire because it is 2 conductor and easy to run one wire then two. Factory harnesses can often be noisey from ignition wires and such. Common power/ground points greatly ruduce your chances of noise [/QUOTE]
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So they tell me its a ground loop....
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