high pitch noise

[mx823]

i just hooked up my amp but now i am getting a high pitch noise out of my subs when the engine is running or the key is turned on. if i turn the key to acc it doesnt make the noise. Is there any way to fix it?

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[Jared530 10+ year member]

did you run your power wire next to you RCAs?

 

[plushDJ 10+ year member]

when you grounded it did you clean the area of paint???

 

[UpNCommin 10+ year member]

^^ jsut like they said... try n check for a ground problem, sounds like you have a ground whine/loop. search for "ground loop fixes" threads here and some of the things there can help you out.