Date: Mon, 14 Feb 2000 09:50:24 PST From: mojavegnopsamsp.com (Everett M. Greene) Subject: Re: Help..my battery light stays on when its very cold
malcolm532nopsameja.com writes: > mcbagpipernopsamcom (McBagpiper) wrote: > > The battery light stays on in my 92 900s for 15-30 seconds depending > > on how cold it is. This happens only after an overnight. its below > > zero mornings. > > if you rev the engine a bit it will go out. i have new belts and > > they seem > > tight. Am i about to loose an alternator. EVERYTHING SEEMS FINE > > OTHERWISE. > Same happens to both our Saabs, even when it's not so cold - believe it > or not. One is an 86 900 8v (Original alternator)and the other a 91 > 16v. I suspect it's some thing to do with the voltage regulator built > into the alternators, because once the light goes out it stays out even > at idle. Doesn't make any difference if the headlights are on or off, > but does if the HRW is on, probably a load thing.I don't worry about it Ours does that also. It appears to be nothing more than some hysteresis in the warning lamp circuit. Once you rev the engine enough to get the alternator producing enough current/voltage, the light goes out. ---------------------------------------------------------------------- Everett M. Greene (The Mojave Greene, crotalus scutulatus scutulatus) Ridgecrest, Ca. 93555 Path: mojavegnopsamSP.com
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