Replace the fuse.

Probably should take a good look at all of them, they are aluminum strips on ceramic holders, and corrode. They will flex as the current goes on and off, and crack. Can't tell they are bad till you tough the fuse element, at which point it falls apart.

Peter

__________________
1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!