2004 Vauxhall Astra SXI Engine Fuse Box Diagram 2004 Vauxhall Astra SXI Engine Fuse Box Map Fuse Panel Layout Diagram Parts: rear fog relay, turn signal lamp relay, rear wiper relay, high beam relay, horn relay, transmitter, wiper, windscreen relay, vehicle speed signal, consumer switch off, front fog relay, heated mirror relay, heated rear window relay.