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audio feedback #201975 Jun 19, 10:32am Jun 19, 10:32am
Joined: Oct 2003
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Wyoming
2002 Red Toyota Celica csheriff OP
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audio feedback
I just got my car back from getting a new transmission installed. Now, im getting a ton of feedback through my speakers all of the sudden. Its doing a ticking noise and a constant high whine, and a loud increasing whine during acceleration. What could they have done to mess that up, or could it just be coinsidence that it started now? How can i fix it????


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Re: audio feedback [Re: csheriff] #201976 Jun 19, 10:41am Jun 19, 10:41am
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Covington,GA
LoFlyer
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Sounds like your grounding is screwed up. Check your grounding of the head unit and the amp. Maybe they ground to the trans for some reason...

Re: audio feedback [Re: LoFlyer] #201977 Jun 19, 10:46am Jun 19, 10:46am
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theres no reason for the grounding on the amp to be screwed, the headunit grounding is a possibiltiy though. any other ideas????


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Re: audio feedback [Re: csheriff] #201978 Jun 19, 1:12pm Jun 19, 1:12pm
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Covington,GA
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I haven't done any work on the new celica audio system, but I knew my old one in and out. I had the same symptons on the old celica and grounding was the problem. Either the audio problem had nothing to do with the trans or it was caused by the trans. Either way grounding at some point is the likely culprit. I have had to reground ground circuits to the frame of the vehicle to clear this problem. Good luck!

Re: audio feedback [Re: LoFlyer] #201979 Jun 19, 1:56pm Jun 19, 1:56pm
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i checked the ground on the headunit and doesnt look like anythings wrong there, im confused. anybody else have any ideas?


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Re: audio feedback [Re: csheriff] #201980 Jun 20, 9:34am Jun 20, 9:34am
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bump


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Re: audio feedback [Re: csheriff] #201981 Jun 20, 11:37am Jun 20, 11:37am
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Cleveland, OH
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I had the same problem that you had just a few weeks ago, and I tried everything, different grounding locations, rewiring everything, checking the amps, and got nothing. I finally found out that it was the headunit, and had to send it in to get the outputs fixed on it. I'm not sure if this is your problem, but I had the exact same whining noise that increased as the rpm increased. Just an idea for you to check out.

Re: audio feedback [Re: Celicalicious] #201982 Jun 20, 3:18pm Jun 20, 3:18pm
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MADERA, CA
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ask the shop if they messed around with anything electrical, like grounding to the tranny (if any), or disconnected anything to install your tranny, because if one ground in your whole car is messed up, many times anything audio-related starts creating noise like from what you described.. happened to me in my lil sis' car.. someone put a low voltage/amp positive with a ground wire together (surprised that there was no fire) thumbsdown
good luck thumbsup

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