My 309 didn't have a wiper interval. I found you can add it easely. Buy a second hand 205/309 wiper switch and blue relay. But you can improve the system with a VW relay 99, to have a variable interval. Take it from a Golf MK3 / Jetta / Vento /Polo / Passat / transporter T4, building year 1992 to 1997.
It's this one:


You have to insert the relay on the fuse-board (if you have already the blue one, replace it).


If you didn't have a interval before, replace the wiper-switch bij a 205/309 one with interval. The right one will have 3 switch stages (one more than without).

I'm very happy with this

How it works: Put wiper switch in interval state, switch immediately off. Wait the desired interval-time. Switch to interval again. The interval time will be now the desired interval-time.

way to go fella
cheers mik.

Nice one! I might do this as it is pretty slow isn't it

waydago
i've always found the interval too fast personally so setting it a bit longer the better tommy

Good stuff mate.

Think i'll give it a go.

Nice one

I too find the interval not long enough,and hate the wiper juddering on a half dry screen

I have a MK3 golf i will look for said 99p relay and give it a go

TOO FAST?! On the first setting you can't be serious? It's like waiting on a bus before it actually wipes the screen.

yours doesn't go out in the rain often enough

To be fair it just doesn't go out in the rain at all! It rained on the way back up from Southampton though!