I'm with Jim. I'd start by just taking the cover off the fuse box, and see if anything falls out. It has a spare fuse holder behind there, so possibly one of the spares is rattling around. I've also found that loose change in the tray can work its way under the plastic cover that goes over the backside of the clock.
My oil line fix
My 100k stopped odometer fix
Brace for impact, I'm in a "modifying mood". Massive thread count inbound.