From what I've read on these newsgroups the individual wheel speed sensors
quite often cause problems like the one you describe. It's said that most
of the time when this happens the connection at a sensor is loose, damaged,
or corroded. You might have a look at them.
"richmond" <richmond45.TakeThisOut@juno.com> wrote in message
news:da28f95c-5123-4bba-ab20-c9f6cff05fe8@v46g2000hsv.googlegroups.com...
>A little whie back I had three warning lights come on simultaneously
> in my 2001 Olds Alero: The "Service Vehicle Soon", the "Anti-Lock
> Brakes" and the "Trac-off". The brakes work fine (they're fairly new)
> and the car drives fine in dry weather, but in rain or snow the car
> becomes dangerously unstable. I checked the fuses and they look fine.
> I know nothing about anti-lock brakes, so I was hoping someone could
> give me a few hints about what to do. Is there a sensor that might
> have broke? Where would it be located? Thanks.
>> Stay informed about: Anti-lock brakes