Fuses and relays box diagram Opel/Vauxhall Astra H For the Opel/Vauxhall Astra H fifth generation 2004, 2005, 2006, 2007, 2008, 2009, 2010 model year. Fuse box located. Fuse box in engine compartment. The fuse box is at the front left side of the engine compartment. 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.