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Yes, more electrical issues...

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Old Jul 17, 2007 | 08:30 PM
  #1  
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Default Yes, more electrical issues...

I've searched and searched, and cannot find an explanation to my very odd problem.

I have a 1993 T/A LT1. It has a new battery and Alternator., full tune-up.

My issue is this:

-When i start my car(does not matter how long it is off) i can hear feedback/buzzing coming from my stereo speakers. As soon as i put it in drive and accelerate, there is a weird 'click' sound under my dash(driver side) and my Amp gauge jolts down, then back up to just above the yellow area and the sound diminishes to almost nothing, but is still slightly noticable. Sometimes the sound will go 100% away, and only at that point will my Amp gauge read smack on the 13, but as i drive it it ever so slowly creeps back toward the yellow. It does this EVERY time i start it. Sometimes when this happens, my ABS Inop light will come on until i shut the car off.

Any ideas? Bad ground? Tiny wire that goes into the back of the Alternator looks ok, not loose. I'm hoping that going with an F-Body was not a mistake, i never had these issues with my 5.0's! ;P
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Old Jul 18, 2007 | 03:13 PM
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I'd assume it's the new alternator. Was it a rebuilt or reman unit? Take it down to Autozone or somewhere and have them run a test on it.
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Old Jul 18, 2007 | 08:49 PM
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It is a reman, from Autozone. But it had this problem before i replaced it as well, with the stock unit.
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Old Jul 20, 2007 | 02:29 PM
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Seems to happen moreso when i apply the brakes. When i have to press the brake pedal down harder to stop quicker, i notice heavy feedback coming from my subwoofer!
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Old Jul 20, 2007 | 02:41 PM
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You may have an auto parts store test the alternator so you could eliminate it as a factor.
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Old Jul 20, 2007 | 07:10 PM
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Check and see if your battery voltage with the car running is around 14.4, if so I would suspect a gauge or instrument cluster problem.
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Old Jul 21, 2007 | 05:53 PM
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check if your alternator is putting out the right output around 13.7 to 14.4, it also sounds to me like you have a bad ground.
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Old Jul 22, 2007 | 12:22 PM
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Bad ground is what i am hoping/thinking, but finding the damn thing is going to be a nightmare. I love my car, but this problem is really irritating me.
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