Scosche MA03B Vehicles Speaker Connector for 2000-Up Select Mazda Connects an aftermarket stereo to the factory radio harnesses Not compatible with factory amplified systems Direct Connection to the factory harness without cutting any wires Manufactured with factory quality wire and connectors Standard color coded wires for an easier installation Includes Power & Speaker Wires, Each Labeled With Its Specific Function No Need To Cut Factory Harness  All Connections Match Perfectly Eia Standard Wiring Color Codes Select Speaker Harness For 2000 & Up Mazda