Fuses and relays box diagram Opel/Vauxhall Astra H Fuses and relays box diagram Opel/Vauxhall Astra H. Identifying and legend fuse box. Skip to content. Fuse box diagram. Fuse box located. Fuse box in engine Opel Astra H Fuse box diagrams & schemes - imgvehicle Opel Astra H - Fuse box. Engine compartment fuse box The fuse box has two different fuse assignments depending on the load compartment fuse box variant.