Before you start 1 CAUTION 1 Many new and factory radios require a reset code when disconnected from battery power. This is an anti-theft feature. Before unplugging power, you must determine if your radio/source unit requires a reset code. Hack the operation manual for your vehicle or contact the dealer. ~ Power cable size Model Fuse Size Cable Size and fusing BXX800.4 225Aaic BXX12004 Saatchi Its critical fo use the proper power ¥ i and ground cable.