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Discussion Starter #1
HI,

sometimes after 1 hour driving I have the Battery Light "on " on the dashboard !

but only under 3500 rpm

when i open the throttle no more problem, and after 10 minutes this ligth go off !!!!

Some ideas???
 

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Could be a few things. I'd first check for dirty battery terminals. But I suspect it's either the alternator, as in maybe a bad diode, or the voltage regulator. Is the car driven often or every now and then? The reason I ask is maybe the battery is getting low on charge from sitting, and when you drive the car the alternator must work extra hard to recharge it. Maybe put a trickle charger on the battery for a while prior to the next drive. If the light comes on then....it is definately something in the charging system. Also many auto parts stores will check your charging system with a meter for free....just a thought.

Also could be as Stradale says...."loose belt".
 

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Discussion Starter #4
Yestarday I went to my Ferrari's specialist...
We verified the voltage with a multimeter...engine on...11.5 volts...when you need between 12.5 and 13....
So the alternator is nearly dead...diode, or something...
So I decided to remove it and to fix it.
It'll be done in two weeks...
 

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Discussion Starter #6
yes he has a lot of work for now....
but the first thing i ll do is to buy a new battery...I think that mine is already the one which was on the car...new...
 
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