Fuse and relay box diagram Opel/Vauxhall Astra G Fuse box diagram Astra G For the Opel/Vauxhall Astra G fourth generation 1998, 1999, 2000, 2001, 2002, 2003, 2004 model year. Fuses in the vehicle passenger compartment. Opel Astra J Fuse box diagrams & schemes - imgvehicle In left-hand drive vehicles, the fuse box is behind the storage compartment in the instrument panel. Open the compartment and push it to the left to unlock. Fold the compartment down and remove it. In right-hand drive vehicles, the fuse box is located behind a cover in the glovebox. Open the glovebox, then open the cover and fold it down.