[DML] Re: Alternator Sound
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[DML] Re: Alternator Sound

What kind of alternator do you have? I've heard of this issue on some 
aftermarket units, just wondering. 

Dave Swingle

--- In dmcnews@xxxxxxxxxxxxxxx, "valleyrat12" <valleyrat12@xxxx> 
> Gee I'm posting here a lot...
> OK, I noticed while my car is idling right after it is started that 
> my battery voltage is low, below the 14 or so volts it should read 
> when running. If I rev the engine the meter will suddenly bounce up 
> to where it should be and continue even when the engine runs back 
> down to idle, indicating that the alternator is working. Also, a 
> whirring sound can be heard from the alternator AFTER the gauge 
> indicates that it is working. I have cleaned all of the contacts 
> the condition persists. 
> I have noticed this on other cars and assume that the sound is 
> normal, but I assume that my alternator is dieing. What would cause 
> the alternator to work only after the engine is revved up to 3000 
> rpm? Also, there are some wires (2) that are hanging down by the 
> alternator that are not hooked up, Black/Green I think.
> Nathan
> 2277

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