1995 g20 van fuses

I need to know what fuse controls interior lights ihave none the bulbs are all good and so are the door switches i also have dash ligts and all the reading lights and fancy lights work in the rear of the van thanks

Horn/DM fuse. no. 1 fuse 25 amp
Feeds horn relay and dome and cig lighter and theft.
But when you are in the fuse box take a test light and check both sides of all fuses.

thank you ill give it a try