Alternator whine with stereo off.......?
With my stereo off, I get alternator whine. Any ideas why and how to fix? Thanks :thumbs:
Well, attached the GLI's to the RCA's at the AMP and no more whine! |
Did you ground negative side of rca's to head unit? Did you install any ground loop isolators? Did you install an antenna isolator? Any of the preceding, or combination thereof, should resolve your problem.
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Originally Posted by kedar
(Post 1579032453)
Did you ground negative side of rca's to head unit? Did you install any ground loop isolators? Did you install an antenna isolator? Any of the preceding, or combination thereof, should resolve your problem.
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ummm turn stereo on, leave volume down... idk just shootin in dark
prly need a better ground on amp or GLI's |
Originally Posted by pentavolvo
(Post 1579032553)
ummm turn stereo on, leave volume down... idk just shootin in dark
prly need a better ground on amp or GLI's |
rcas near crossovers?
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Originally Posted by Kale
(Post 1579033241)
rcas near crossovers?
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I had noise with the stereo off. GLI eliminated all of it.
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Originally Posted by EVRose
(Post 1579033543)
I had noise with the stereo off. GLI eliminated all of it.
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I successfully eliminated all whine from my system by grounding the interconnects to the chassis of the head unit and by adding an antenna isolator (with adapters). No whine and no need for a ground loop isolator!
If you have access to the back of your head unit and if you have some wire, try grounding the interconnects. You may not need the GLI. |
Originally Posted by kedar
(Post 1579033760)
I successfully eliminated all whine from my system by grounding the interconnects to the chassis of the head unit and by adding an antenna isolator (with adapters). No whine and no need for a ground loop isolator!
If you have access to the back of your head unit and if you have some wire, try grounding the interconnects. You may not need the GLI. |
I attached the 2 GLI's to the RCA's at the AMP and no more whine. :D Did not have to ground the GLI's.
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Did the GLIs negatively impact your sound quality?
Congrats on completing your install. |
Originally Posted by kedar
(Post 1579035589)
Did the GLIs negatively impact your sound quality?
Congrats on completing your install. |
That's what can happen when one uses a GLI. Some people are adamant that they do not degrade sound quality. Ohers confess that they do degrade sound quality, but that they are a necessary evil.
I tried three different GLIs and found that they all degraded sound quality to some extent (some more than others). The last one I tried was the best, but I was able to resolve my whine issue without them so I refrained from making them a part of my install. |
Originally Posted by kedar
(Post 1579035736)
That's what can happen when one uses a GLI. Some people are adamant that they do not degrade sound quality. Ohers confess that they do degrade sound quality, but that they are a necessary evil.
I tried three different GLIs and found that they all degraded sound quality to some extent (some more than others). The last one I tried was the best, but I was able to resolve my whine issue without them so I refrained from making them a part of my install. |
of the three GLIs that i tried on my system, the best one was a PAC SNI1 Noise Isolator. the worst one was from Radio Shack. the one that i bought from a local car audio install shop (i forgot brand name and that GLI is currently in storage) was not much better than the one from Radio Shack.
another thing you can try is to press the voice control button on the steering wheel and ask for help (or whatever the command is) to get the car to talk to you. this will give you a consistent sound that you can compare. with the really bad GLIs, i also found it was near impossible to hold a conversation using blue tooth... the distorted poor sound quality from the speakers drove me nuts. please post your results. |
Originally Posted by kedar
(Post 1579037838)
of the three GLIs that i tried on my system, the best one was a PAC SNI1 Noise Isolator. the worst one was from Radio Shack. the one that i bought from a local car audio install shop (i forgot brand name and that GLI is currently in storage) was not much better than the one from Radio Shack.
another thing you can try is to press the voice control button on the steering wheel and ask for help (or whatever the command is) to get the car to talk to you. this will give you a consistent sound that you can compare. with the really bad GLIs, i also found it was near impossible to hold a conversation using blue tooth... the distorted poor sound quality from the speakers drove me nuts. please post your results. |
In my detailed install thread I did mention that I thought those were the best, but this place is a knowledge base that builds upon itself.
I found very little, if any, degradation in sound quality using the PAC SNI1, but decided against using that GLI as a part of my install because I could eliminate the whine / squeal without them. GLIs are considered a last resort and a band aid. The vette has a strong proclivity for whine so GLIs are commonly used. If at all possible, you should avoid using a GLI. |
Originally Posted by kedar
(Post 1579033760)
I successfully eliminated all whine from my system by grounding the interconnects to the chassis of the head unit and by adding an antenna isolator (with adapters). No whine and no need for a ground loop isolator!
If you have access to the back of your head unit and if you have some wire, try grounding the interconnects. You may not need the GLI. |
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