Bennie via BoatKB.com wrote:
As a temporary
measure I have plastered the back with JB weld and aluminium mesh and the put
an extra mount for the cable extension onto the support panel.

That's a good fix and it will probably last you for a while.

I used JB weld to form a mount for a down draft carb on my International
Super MTA and after ten years, it's still working. :)