This has periodically come up on the list from time to time. Our
vendors have reported that this relay has become unavailable (new)
and that later versions don't work the same way. But if you can find
one in a junkyard car, its real nice (my corrado has this feature.)

On Apr 3, 2006, at 2:31 AM, JordanVw@AOL.COM wrote:

> this was posted to the mk1  ('80-'93) vw cabriolet list...i wonder
> if it
> would work on a vanagon? i dont see why not...    read on!!
> chris
>
> Hey all-
>
> If you want to be able to control the interval in your
> intermittant wipers, it is a really simple mod.
>
> Just find a wiper relay marked 99 and replace your
> wiper relay with that one.  I tried to find it on
> ETKA, but couldn't find a part number.  Anyway, I've
> gotten it on a '93 and '94 and up Passat, '93 and up
> Corrado so I'm guessing anything in the Passat B3-B4
> range and Mk3 Era would have this relay.
>
> To do it, you turn the intermittant wiper on, then
> back off for as long as you want the interval to be,
> then back on.  The relay remembers how long it was off
> and will run the wipers that long.
>
> If you have a really old Cabriolet where intermittant
> wipers was an option, you can add them pretty easily.
>
> I don't remember if you have to pull the steering
> wheel or steering column covers to see it, but there
> is a little plastic plug that prevents the wiper stalk
> from being pushed down.  You simply remove that and
> put a relay in where the jumper strip is on your fuse
> box.  Now you have intermittant wipers!
>
> Enjoy!
>
> David