There is nothing wrong with the relay.  This lines on the windows break.
I have yet to see a single window, of age, that is working 100%.  Most
don't work  at all.

Gregory Smith wrote:

>Hi,
>
>What position is the electric rear window defroster relay be located in?
>And what production number should it be?  I'm trying to troubleshoot it in
>my new-to-me '88.
>
>Also, is there a stock fog light relay position and wiring loom already
>installed?
>
>Thanks,
>Gregory Smith
>Olympia, WA USA
>'84 Vanagon
>'88 vanagon
>'87 Bertone X1/9 Corsa
>
>
>