What did you spark when you disconnected the battery?
First and formost....open your owners manual...locate which fuses to check..and check them. You may have blown a few different fuses....if that doesn't work...check back with us.
2000 WS6 Convertible A4 13.11 @ 107.5 with a lid, Ram Air and LTs
Gone:95 Mystique LS Young America edition V6, MTX 15.6 @ 91