If that fuse box is fed from the other side of the car, at the starter relay/solenoid, do put a fuse or circuit breaker in line just after the relay. I did this on my 4/4 after finding that feed is unprotected.
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly '11 MINI Countryman Cooper D All4 '90 LR 90 SW