caravelle internal lights dont work

[conkers]

....but fuses seem ok?
The main lights down the centre of interior (bus style lights) dont work but other internal lights do?
Help!

[82JEW75]

I've just done this on my van (courtesy lights). Take the light fittings out, check the wiring with a meter, lives and earths. In my case it was a combination of a poor earth behind the fusebox and oxidisation on the light fittings themselves.

[gtavalanche]

Clean the contacts on the door switches with some scotchbrite.