Premium sound radio circuit, convertible for Volkswagen Beetle A4 (1997-2005)

AMPLIFIER ANTENNA (W/ AMPLIFIER) ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CD CHANGER UNIT COMPUTER DATA LINES SYSTEM FUSE 37 FUSE 42 FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ KEY IN IGNITION LEFT FRONT BASS SPEAKER RIGHT FRONT SPEAKER LEFT FRONT SPEAKER LEFT FRONT TREBLE SPEAKER LEFT REAR BASS SPEAKER LEFT REAR TREBLE SPEAKER NCA WIRE RADIO RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT BASS SPEAKER RIGHT FRONT TREBLE SPEAKER RIGHT REAR BASS SPEAKER RIGHT REAR TREBLE SPEAKER VIO WIRE WHT WIRE YEL WIRE YEL/RED WIRE