Vauxhall Astra 5th Generation (Astra H) (2004 - 2010 Jul 29, 2018 Astra TwinTop always has version B. The fusebox is located on the left side of the luggage compartment behind a cover. 5-door Hatchback and Estate To open, use a coin to turn the two latches and fold the cover downwards. Fuse and relay box diagram Opel/Vauxhall 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. fuse box diagram (Astra G pre 2001).