My central locking is going beserk. All the doors lock and unlock repeatedly. Often it'll take a pause for a little while (minutes), then start again.

The radio has also lost power. These happened simultaneously.

I've pulled the central locking fuse while I search for a solution.

Information that may be relevant. There is 'something' loose in the roof space and has been for many months. It moves around when I corner. It's been raining buckets for days and the the sunroof leaks in really heavy rain, I also get leaks through the door (but still haven't worked out exactly where despite assistance here).