Fuses and relays box diagram Opel/Vauxhall Astra H Volkswagen. Fuse box diagram 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. Fuse box diagram Astra H.