ignition switch plug for 87 golf cabriolet

Hi
Does anyone know how i can geta new plug for the ignition switch or how to rewire please?

Thankyou
 

here is the part number.
vwheritage may have one.

Thankyou. will have a look on there site see if they got one.

Do you have a link for vwheritage as the link it themembership discounts page gives an error please?