Volkswagen Beetle A4 (1997-2005) Base radio circuit, base radio

ANTENNA (W/ AMPLIFIER) ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE CD CHANGER UNIT (IF EQUIPPED) COMPUTER DATA LINES SYSTEM FUSE 42 FUSE 37 FUSE PANEL (BEHIND LEFT SIDE OF DASH) GRN WIRE GRY WIRE GRY/BLU WIRE GRY/WHT WIRE HOT W/ KEY IN IGNITION HOT AT ALL TIMES LEFT FRONT TWEETER LEFT FRONT WOOFER LEFT REAR WOOFER NCA WIRE PINS 1-12 (NOT USED) RADIO RED WIRE RED/GRN WIRE RIGHT FRONT TWEETER RIGHT FRONT WOOFER RIGHT REAR WOOFER VIO WIRE WHT WIRE YEL WIRE