Sprint Headlamp vacuum push/pull switch

I’m have a problem with the headlamp push/pull switch in my car which seems to have become extremely stiff and hard to pull/push. Is it possible to repair it or does anyone do replacement or exchange units.
Thanks
Ian

This post may help you.
viewtopic.php?t=13457&p=60892

I’ve done a few, let me know if you need help.

We must meet at Dave Boggs sometime soon.

Rob