Yep. I didn't consider the Vanagon, waterpumpers (or
Ford) which all use a different setup, I was only
addressing Beetles. Just look at the schematics,
there's no provision for any sort of flash-to-pass
feature - the hi/lo relay only knows how to do one
trick, which is to switch the contacts between 56->56a
and 56->F each time a ground pulse arrives at S.


--- Chuck Kuecker <[EMAIL PROTECTED]> wrote:

> You sure about that, Marc?
> 
> My daughter's '83 Scirocco, my '91 Vanagon, my '05
> Ford Focus, and my 
> '67 Bug all have the "flash" feature, as does my '58
> Ghia. The last one 
> was bought in Germany and self-imported by the first
> owners, so maybe 
> that one has a different headlight dimmer relay.
> 
> Perhaps it's not "intentional"...
> 
> Chuck Kuecker
> 
> marc vellat wrote:
> > No flash-to-pass feature (not on any US-market
> car,
> > anyway) and no "default" position.
> > Each time the relay receives a ground pulse on S
> it
> > energizes, and each time it energizes it switches
> the
> > output from 56a to F (or vise-versa) - it's
> designed
> > so that when it's on F the next pulse will change
> it
> > to 56a, and when it's on 56a the next pulse will
> > change it to F. Hard to describe without a
> picture,
> > but it's just accomplished by the physical design
> of
> > the internal mechanism. 


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