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Sub goes with beat of motor????

StoneX

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It's probably the head unit. They have an internal fuse on the RCA ground track which blows and causes your exact fault.
 

StoneX

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If you want to be dodgy (or to even just test if that's the problem), you can get a bit of wire and link it from the head unit's chassis to the outer ring of the RCA socket on the back of the head unit... How you attach it to make good contact is up to you :)

It'd be best to get it fixed by Pioneer though.
 
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SAV_117

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generally rcas and power need to be 50mm apart if there not the power cord induces a voltage into the rca electromagnetic stuff blah blah anyway 50mm if there together thats your prob if not like daron said earths if thats not it get some filters
 

kopper69

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Try disconnecting the RCA's at the amp and see if the problem is still there. If it is, the signal is coming through the RCA's and you know the problem is going to be with the head unit or RCA's. If the problem still exists you know it is going to be with the amp or amp wiring.
 

StoneX

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Do this...
if you want to be dodgy (or to even just test if that's the problem), you can get a bit of wire and link it from the head unit's chassis to the outer ring of the rca socket on the back of the head unit... How you attach it to make good contact is up to you :)

it'd be best to get it fixed by pioneer though.
 
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