missing fuses in a 250 bhs

[sap retreiver]

Hey all just bought a x250bhs and been finding and figuring a lot of things out. I think the most important so far is the 2 missing fuses for the reverse polarity and the one under it. Anyone know what size there supposed to be?
Also I think its LP fuse, is it really a 1 amp fuse? aint easy to find one

Thanks in advance, Brian