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Hi
My berlingo 1.9d 2004 battery keeps going flat, tried another battery and that went flat. The battery light come on when i 1st put the ignition on, but is not coming on when the car is running so i am assuming its not the alternator.
The car has been fine up until now. The only other thing that has been changed on the car recently is the alternator belt but i have checked this and it tight enough.
So now i,m looking for suggestions please
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As ron said the first thing to check is the alternator just because the ign light goes out does not mean it's putting 14.4 volt out put a volt tester on the battery run the engine with the light's and heater on see what the alternator is putting out
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30-01-2015, 04:03 PM
(This post was last modified: 30-01-2015, 05:16 PM by tmm.)
Hi
I checked the battery and its 12.62, then i checked the battery with the engine running and that read 14.48, I then turned all lights on,blower, wipers and rear demist and the voltage was 13.28, I then cranked the engine over and the battery went down to 10.80 while turning until it fired up and then it went back up to 14+ volts
So i'm starting to think something is draining the battery?
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30-01-2015, 11:27 PM
(This post was last modified: 30-01-2015, 11:29 PM by tmm.)
Do all those reading seem fine Ron?
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Yes, those readings are fine. Looks like you have current drain while Berli is turned off. It is easy to check, you just need to disconnect the battery on either + or - side and measure the current while everything is switched off. Cheap digital instrument with 10 or 20 A measuring range will do. Be careful not to switch anything On while Ampermeter is connected, especialy don't try to start the car, otherwise you may destroy the instrument.
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