Whining noise from stereo when started

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Old 03-28-2018 | 08:39 PM
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itsVSW's Avatar
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Cruisin'
 
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From: Hampton, VA
Whining noise from stereo when started

https://youtu.be/1GsBxctzVI0

04 TL 6SPD NAV 140K

Can anyone shed some insight before I dive in? I've installed sound systems, but never encountered this issue.

Stock ELS. Whining/static noise only occurs under two conditions:

1: When the car is turned to on, but not started (momentarily)
2: When the car is started, AND the volume is turned up past zero. Pitch changes with RPM. However, whining volume doesn't change with stereo volume.

About three seconds after turning the car off, there's a click from the passenger floorboard, and the noise goes away.
Old 03-28-2018 | 09:24 PM
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Is an mp3 player/cellphone plugged your tape adapter & also plugged in a charger, per chance? If so, get a ground loop isolator. ~15$.
Old 03-28-2018 | 09:26 PM
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acuralongtime's Avatar
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or problem with radio or amp
Old 03-28-2018 | 09:51 PM
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itsVSW's Avatar
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Cruisin'
 
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From: Hampton, VA
Originally Posted by polobunny
Is an mp3 player/cellphone plugged your tape adapter & also plugged in a charger, per chance? If so, get a ground loop isolator. ~15$.
in the video, no. Nothing was plugged into the aux. And the sound has been present since purchase, one month ago. Searches lead me to believe it's the amp.
Old 03-29-2018 | 12:57 AM
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Originally Posted by itsVSW
in the video, no. Nothing was plugged into the aux. And the sound has been present since purchase, one month ago. Searches lead me to believe it's the amp.
I would agree with you in this case.
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