1995 Dodge Caravan why does the radio, interior lights and

Did you check the fuses under the hood? Does the chime work? Also the under-hood lamp? All these things run off the airbag fuse. It's the one in the yellow pull handle in the corner of the fuse box behind the battery. Sometimes those fuses corrode. In my case, someone mis-positioned the wire going to the under-hood lamp and it rubbed against the inner fender where it's attached to the left hood hinge.

Caradiodoc