25A fuse, common for fuse box system
GFS25- FUSE 25A
Replacement fuse. 25 amp was standard for the light circuit and the 'all other' circuit, too, on early cars with the two circuit fuse box.
If you don't remember where your spares are, or you've used them up, you may want to replenish your supply!
Keep two spares in the fuse box. There are special spots for them.