If you are replacing the radio in your vehicle, this antenna cable adapter ensures that you can continue to use your factory antenna. It is a simple yet necessary cable that adapts the vehicle’s original amplified antenna cable to plug into an aftermarket radio with a male Motorola™ connector on one end and a coax connector with a blue wire for power on the other. Antenna adapter cable Used to adapt the vehicle’s factory amplified antenna to use with an aftermarket radio Male Motorola™ connector on one end Coax connector on the other end with a blue wire for power To use in applications with limited space Powered version of the 40-VW10 Vehicle Applications Audi 2006-2007 Audi A3 1998-2005 Audi A4 1998-2005 Audi A4 Quattro 1997-2004 Audi A6 1998-2004 Audi A6 Quattro 2003-2004 Audi RS6 2000-2006 Audi S4 2001-2003 Audi S6 2000-2006 Audi TT 2000-2006 Audi TT Quattro Dodge 2003-2006 Dodge Sprinter 2500 2003-2006 Dodge Sprinter 3500 Mercedes-Benz 2005-2008 Mercedes-Benz SLR McLaren Volkswagen 1998-2010 Volkswagen Beetle 1998-2002 Volkswagen Golf 2007-2010 Volkswagen Golf City 1998-2002 Volkswagen Jetta 1998-2001 Volkswagen Passat