Compact Stereo Antenna Harness Adapter for Installing a New Radio Into a Toyota, Matrix, 2003, 2004

** PLUGS DIRECTLY INTO CARS OEM ANTENNA SOCKET AND THEN INTO THE NEW (AFTERMARKET) STEREO ** Plug N Play connection ** Allows AM/FM Radio to still work w/ After market Antenna ** Connects to any aftermarket receiver . Designed for a MATRIX 2003, 2004