set the scene... ign barrel broke replaced no probs. then found ignition switch was faulty used internals off an other vauxhall to sort that. the internal fan was not working so a quick tap to the centre fan controls made this come to life...next day radio not working or front electric windows dont work.(only has front electric windows). checked all fuses.ok. checked continuity from fuse box to radio ign feed.ok. thought i might have blown the black control unit that slides into the fuse box so have replaced that....still not working......im now strugling as i dont have a owners manual or wiring diagram to go off.....any help would be great cheers