Hello- I HAVE A 88 560SL WITH A DEAD SHORT. THE NUMBER 12 FUSE BLOWS INSTANTLY. I CHECKED AND FOUND THERE ARE SEVERAL ITEMS ASSOCIATED WITH THIS FUSE. I STARTED BY DISCONNECTING THE RADIO AND POWER ANTENNA, IT STILL BLOWS. MY NEXT STEP IS THE CLOCK. IF ANYONE KNOWS OF A COMMON PROBLEM OR CAN GIVE SUGESTIONS IT WOULD BE APPRECIATED. THANKS