There's not much you can do in a situation such as this except explain as diplomatically as possible that the wiring has deteriorated due to age and is in need of replacement.

I can't find a pic of a Cryselco light, but by "single arm" do you mean something like this Mazda fitting?

[Linked Image]

Ad taken from a 1964 magazine.


[This message has been edited by pauluk (edited 08-17-2005).]