Date: Wed, 05 Feb 2003 21:58:53 +0000 From: Grunff <grunffnopsam.com> Subject: Re: Faulty alternator connection or a nuance of Saabs?
Johan Beikes wrote: > Not quite rubbish. The alternator needs a magenetic field at the stator in > order to generate a voltage and start delivering a charge current. The > magnetic field builds up by a current supplied by the battery. If the > battery is _really_ flat, then the stator magnetic field will be very weak, > so a high charge cannot be expected. Not until the battery reaches a certain > voltage by the low charging current. So, yes it can take a couple of minutes > before high charging starts. Erm, but if the battery was that bad, you wouldn't have a hope in hell of powering your ignition system. No, although I see what you're suggesting, I don't think it's a mechanism which could cause a measurable drop in charging for the first couple of minutes. -- Grunff