> > "Gareth's Downstairs Computer"
> >> > >>> On Sun, 3 Dec 2017 14:06:44 +0000
> >>> Gareth's Downstairs Computer
> >>> wrote:
> >>>
> >>>> Same thing here when went away on hols. Door slightly ajar on my
> >>>> car, with LED on dashboard showing door not closed. Two weeks
> >>>> later, hardly any cranking power, engine starts but battery too
> >>>> low so that electronics will not permit charging.
> >>>
> >>>> A trickly problem for me as well, but the charger here deals
> >>>> cleverly with very flat batteries by repeated short sharp
> >>>> pulses***** till battery comes up to about 10V, then goes into
> >>>> full charge.
> >>>
> >>>> Which was an improvement on the previous steam powered charger
> >>>> which just blew its fuse when one of the cells short circuited
> >>>> after sulphating.
> >>>>
> >>>> ***** neither lentils nor beans :-)
> >>>
> >>> yes does seems a bit em untrue .......
> >>>
> >>
> >> Car cranked to start very slowly, so went for a drive to
> >> recharge, but after 3 miles noticed that the ignition light
> >> was on, so returned home.
> >>
> >> Battery was then further discharged and would no longer
> >> crank the engine.
> >>
> >> Took battery out to charge with the amazing electronic
> >> gizmo and it's been OK ever since.
> >>
> >>
> >>
> > never seen the like of that .........was the alternator not working? > > .........
> >
> >
>
> Still under warranty so talked to the main dealer from whom I
> got it and he mumbled something about field coil current being
> turned off to protect output stages of alternator.
>
Never heard of that before, Gareth. What car is it?
uk.rec.cars.maintenance added.