Metra Reverse Wiring Harness 71-2102 for Select 2004-2005 Saturn Vehicles OEM Radio Plugs Into Oem Radio Powers 4 Speakers 2004-2005 Saturn Reverse Wiring Harness for Select 2004-2005 Saturn Vehicles Plugs into car harness at radio Power/4 Speaker 24-pin connector Harness is designed to plug in the factory radio