Thanks very much David. Unfortunately, I live near Sheffield - though know Kemble very well! My daughter and son and their families both live in Malmesbury and as an ex- RAF pilot I have taken part in numerous air shows over the years! However, I've taken the plunge and sent for the module! If it do...

Hello David
Very many thanks yet again.
Hopefully, that will cure the problem!
Chris

Hello Paul
Many thanks for your reply. I realise that the sun visor lights can be switched off but it's the remainder of the interior lights that are on all the time!
I'll have a go at the door pillar switches and see if that cures the problem
Thanks again
Chris

The interior lights on my XJS refuse to switch off! Has anyone else experienced this problem please and if so can you point me in the right direction as how to cure it. I'm having to disconnect the battery at the moment after using the car - otherwise the interior lights are draining it flat. I real...