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  #1  
Old 10-20-2010, 10:45 AM
reconjb reconjb is offline
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Angry I have no idea (Speaker squeal)

I put in my new system sounded good had a squeal fixed it now the squeal is back and i have tried everything but the right thing and have no idea what the right thing is. It is really starting to tick me off. The squeal picks up in frequency with the RPM's. any ideas please
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  #2  
Old 10-20-2010, 11:43 AM
CrimeStar CrimeStar is offline
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Default Re: I have no idea (Speaker squeal)

Sounds like it's either not grounded good or your patch cables are picking up the alternator noise. Where did you route your rcas?
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  #3  
Old 10-20-2010, 02:09 PM
reconjb reconjb is offline
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Default Re: I have no idea (Speaker squeal)

Nowhere near the main power it might be picking up noise from be hind the radio but it shouldn't be. Tried messing with the grounds to no avail
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  #4  
Old 10-20-2010, 02:11 PM
reconjb reconjb is offline
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Default Re: I have no idea (Speaker squeal)

Would the remote turn on lead give to much interference to the rcas that is the only power source near the rcas
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  #5  
Old 10-20-2010, 04:55 PM
beggers beggers is offline
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Default Re: I have no idea (Speaker squeal)

I was having a similar issue when I replaced the factory speakers. The passenger door was not grounded for some reason. I had to apply electrical tape to the door, speakers, and even used vinyl washers behind the screws.
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  #6  
Old 10-21-2010, 05:56 AM
reconjb reconjb is offline
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Default Re: I have no idea (Speaker squeal)

But that would only cause that speaker to hum from what I understand
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  #7  
Old 10-21-2010, 06:28 PM
scarbucket scarbucket is offline
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Default Re: I have no idea (Speaker squeal)

what you are gonna have to do i know this cause i had to do it it sounds tacky but trust me get a couple rolls of the actual alumium duc tape $6 a roll max and tape the harnesses the rca cables and the whole inside of the dash where the radio is and the squeal will stop i got this fix from a mechanic who did stereos for a living working on corvettes and he said that they had this problom all the time when they did the aftermarket headunits.
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  #8  
Old 10-22-2010, 04:23 PM
reconjb reconjb is offline
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Talking Re: I have no idea (Speaker squeal)

Did some messin no idea what did it but it no longer squeals so thanks for the help unless your psychic and know what I did then let me know what I did
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  #9  
Old 10-25-2010, 10:36 PM
demon54 demon54 is offline
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Default Re: I have no idea (Speaker squeal)

Alternator whine is usually caused by ground loops or poor grounding at the source device (the deck). it can also be induced through the RCA leads shielding when the cables are run in parallel to vehicle power leads.

It can also be indicative of impending alternator problems like brush wear or diode failures.
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  #10  
Old 11-23-2010, 04:01 PM
reconjb reconjb is offline
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Default Re: I have no idea (Speaker squeal)

I finally found out what it was for certain. it was a mixture of things ground loop and unshielded rca wires in the ground loop isolator
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  #11  
Old 11-23-2010, 05:40 PM
ObsoleteE ObsoleteE is offline
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Default Re: I have no idea (Speaker squeal)

Quote:
Originally Posted by demon54 View Post
Alternator whine is usually caused by ground loops or poor grounding at the source device (the deck). it can also be induced through the RCA leads shielding when the cables are run in parallel to vehicle power leads.

It can also be indicative of impending alternator problems like brush wear or diode failures.
This, grab a ground loop isolator.
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