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Headunit install question....

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Old Feb 18, 2006 | 09:45 AM
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Default Headunit install question....

Just installed a Jensen VM9510TS in my 02 C5. I am getting some alternator noise in my speakers (the sound is a low whining noise). What can I do to get rid of this?

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Old Feb 18, 2006 | 11:22 AM
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Sounds like a grounding issue. I would pull the HU, check your connection and test. If the connection is good and you still have wine look to run your ground to another point on the car. You could just run a lead to the battery ground and test the HU to see if that gets rid of the wine. I grounded to my back inside drivers side seat mount and have no issues.

Thats where I would start, give it a try and let us know how it works out.

Darion

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Old Feb 18, 2006 | 03:18 PM
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Also check that your power and rca wires are not running on top of each other .. this can lead to noise as well.

Fej
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Old Feb 18, 2006 | 04:19 PM
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Originally Posted by fej
Also check that your power and rca wires are not running on top of each other .. this can lead to noise as well.

Fej
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Old Feb 19, 2006 | 11:03 AM
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Well, I just pulled stereo and grounded directly to battery. Still have amp noise & have also noticed with ignition at on position have whine and if I press gas pedal I get a small static sound.

I have all factory steroe equipment, pulled factory stereo and put in after market stereo. I have checked to make sure there are no bare wires.

What now any and all help appreciated.........

Thanks
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Old Feb 19, 2006 | 01:15 PM
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Have you double checked where your RCA cables are run or did you merely buy the adaptor for the aftermarket head unit to work with all of the factory speakers?

It could be a bad deck ... and nothing personal friend but Jensen is not exactly known to be a "good" quality head unit, or anything stereo related for that matter. No offense intended really.

If you feel confident that all wiring is correct and that your ground connection is good, I would pull the headunit out and take it back myself. Either exchange it for another one, or if you choose grab yourself a refund and spend $130-150 on a nice Alpine or Pioneer or Kenwood deck that will have a bunch more features and a better quality signal as well as a better built in amp should you choose to ever replace your bose speakers.

G'luck
Fej
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Old Feb 19, 2006 | 06:52 PM
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Well that is odd. You say when the car is in the on position you still have whine and the gas pedal causes static? What year corvette do you have? These cars do some strange things when factory ground points get dirty. fej's advice is good, grabbing another HU would be the next thing I would do to eliminate it as a possible cause, plus its not all that hard to do. This just seems like a ground issue to me which there have been many threads on in the past. Do a search under Tech/General/Audio to see what has been talked about and what could help.

Let us know what you find out and good luck.

Darion


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