Xtenzi power harness & Speaker plug is compatible with Mazda Receiver 16 Pin in Dash Stereo. This Xtenzi wire harness features a New SQR Molex Type D plug style with 6” long leads.EIA COLOR CODED:4 pair speaker wires, 3 Power Wires like ignition/Accessory, memory/battery, and negative ground, 4 Auxiliary Function wires as Antenna Power, Vehicle illumination, amp remote and phone mute. Compatible Models:1990-1994 323, 1990-1997 626, 1990–1996 929, 1990-2000 Miata, 1989-2006 MPV, 1992-1996 MX3, 1990-1997 MX6, 1990-2000 Protégé, 1990-1997 RX7 and 2001-2007 TributeCAUTION: Some wire functions may be different, please read your Radio install guide carefully or ask an installer. Please see diagram prior to purchasing and make sure the connection is compatible or consult an installer.IMPORTANT NOTE: Above mention Accessory/Product is a Xtenzi Brand to help consumer find the correct Part all brand names listed are compatible with the referenced product or technology only.