Maybe if you actually read the thread at the beginning things would be
clearer to you. An alarm for the alternator light was only part of the
request. Your idea would only solve the easy part, no great
accomplishment. Like sending a man to the moon. Getting one there is
easy. Getting him there and back alive is the challenge and the more
expensive aspect.

QUOTE
"> What we need is a simple fix.  A small "box" of electronics, wired in
so as to detect any of the red LED's coming on (oil pressure,
alternator, coolant temperature), with a LOUD piezo speaker blasting you
to "get OFF the road and shut down IMMEDIATELY!!!.

Mark

David Marshall wrote:
> ..........
>
> I am amazed at all these complex solutions people
> have for the original question at hand - which was to come up with an
> audible warning for when the V belt snaps.  One relay and a buzzer is
> all that you need - none of this other crazy stuff involving signal
> processors and the like.  No wonder the USA can't get back to the
> moon in under 8 years like they did in the 60s - people have forgotten
> about the keep it simple way of doing things.
>
> David Marshall
> VW Adventure Driver and BMW Adventure Rider
>
>