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Just installed the system in my can and after hooking everything up I tested it. It works and sounds very nice until I start the car. Then after about 1 minute the noise starts. I am talking about alternator noise that changes pitch when accelerating. I have no idea why and from what the noise is. I checked all the connections, no power wires are anywhere close to speaker or RCA wires, the noise suppresses after about 6-7 minutes but is still there.

Could it be the radio (Eclipse cd5441)?

Can anyone tell me what it could be?

Later
Thanks
Donatas
 
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Do you have an external amp for your speakers? If you do, try unplugging the RCA's and turning the deck on and then plug them back in. I dunno why, but this worked for me once. But if that don't work you're probably gonna have to move your ground for your amp or make it a better ground. (i.e. shave ALL paint or dirt from the surface.) Sometimes the location of the ground affects it also.
 
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