Diagram on a opel astra 1997 fusebox - Fixya Jun 01, 2013Diagram on a opel astra 1997 fusebox - Cars & Trucks. Posted by morne horn on Jun 01, 2013. I need a diagram of the fuse box in the car which explain the function of each fuse. For a Opel Astra g 2L OPC 2004 model can some one please help me. Fuse and relay box diagram Opel/Vauxhall Astra G Fuse and relay box diagram Astra G. Identifying and legend fuse box.