Stereo Antenna Harness Adapter for Installing a New Radio Into a Pontiac, G5, 2007, 2008, 2009, 2010 Antenna adapter for installing a new Radio into a PONTIAC G5 2007, 2008, 2009, 2010 CarXtc antenna adapter plugs directly into the factory radio pulled from a G5. 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 PONTIAC G5 07, 08, 09, 10 If installing an FM modulator you will need this and the standard aftermarket antenna adapter