Date: Tue, 13 Jul 2004 07:14:27 -0400 From: KeithG <noonenospamay.com> Subject: Re: C900 alternator probs...
One other possibility is the little lead which clips onto the alt and goes to the dash. Make sure that the wire is not broken at the connector. I have seen this as well. Regards, KeithG Grunff wrote: > GG wrote: > >> Set off in my 900i (1990) the other day and noticed the battery light was >> glowing dimly when idling, after a while the light became brighter but >> again >> only while idling or at low revs, after a while driving the problem went >> away only to return about half an hour later. When I stopped I found the >> battery to be completely discharged. >> >> I've had the AA out to take a look, he found the alternator to be >> charging >> but intermitantly so he cleaned all the contacts in particular the >> earth and >> that seemed to do the job, it was even charging better than ever, but 10 >> minutes down the road with the AA guy gone and the light came back >> on... I >> managed to get back home but now the light is brighter than ever - it >> will >> fade and even dissappear but it needs about 3000rpm to do so. >> >> Does this mean the alternator is completely knackered or should I try and >> dismantle it? I saw there is a section on checking the brushes in the >> Haynes >> manual. >> >> If I do need a new one would a scrap yard job do or am I just setting >> myself >> up for more probs? The cars done 130k so I guess its time for a new >> one... > > > > Most likely brushes. Brush pack readily available. >