Stereo Antenna Harness Adapter for Installing a New Radio Into a Dodge, RAM Truck, 2002, 2003, 2004, 2005 Antenna adapter for installing a new Radio into a DODGE RAM TRUCK 2002, 2003, 2004, 2005 CarXtc antenna adapter plugs directly into the factory radio pulled from a RAM TRUCK. Has a male Motorola plug on one end and OEM jack on the other - Use with New Aftermarket Radio Installs - Keeps FM / AM Factory Antenna Useable. Antenna adapter is needed for your DODGE RAM TRUCK 02, 03, 04, 05 If installing an FM modulator you will need this and the standard aftermarket antenna adapter