Metra 70-7901 is a radio replacement wiring harness for select Mazda vehicles. It connects an aftermarket radio to the vehicle’s factory radio connector for clean power, ground, and speaker wiring connections without cutting the factory harness. At a Glance Radio replacement wiring harness for select Mazda vehicles Plugs into the vehicle’s original radio connectors on one side Color-coded leads connect to the aftermarket radio harness Supports power, ground, and four-speaker radio connections where applicable Helps avoid cutting factory radio wiring System / Wiring Notes Additional parts such as a dash kit, antenna adapter, or steering wheel control interface may be required Verify exact Mazda model, trim, and factory radio connector before installation Exact Vehicle CompatibilityFind your vehicle below, then match the model year and factory-equipment details in the same row. Factory radio, amplifier, navigation, trim, speaker location, and connector differences can change which installation parts are required. If anything differs, contact MCOR before ordering. Make Model Years Factory Equipment / Qualifier Application Mazda 323 1990-1994 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda 626 1990-1992 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda 626 1993-1997 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda 626 1998-2000 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda 929 1990-1991 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda 929 1992-1995 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda Miata 1990-1993 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda Miata 1994-1997 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda Miata 1999-2000 Factory amplified audio system Radio/amp integration harness for amplified system Mazda Miata 1999-2000 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda Miata 2001 With Bose amp; Factory amplified audio system Radio/amp integration harness for amplified system Mazda Millenia 1994-2001 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda MPV 1990-1995 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda MPV 1996-1999 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda MPV 2000-2001 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda MX-3 1992-1995 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda MX-3 1996 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda MX-6 1990-1992 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda MX-6 1993-1997 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda Protégé 1990-1994 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda Protégé 1995-2000 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda RX-7 1990-1991 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda RX-7 1992-1997 Non-amplified factory audio system Radio wiring harness for non-amplified system Mazda Tribute 2001 Non-amplified factory audio system Radio wiring harness for non-amplified system Fitment note: Year and model alone are not always enough to confirm compatibility. Match every factory-equipment qualifier shown for your vehicle, and contact MCOR Automotive if the radio, amplifier, navigation, speaker, camera, trim, or connector details are uncertain.Installation Notes Confirm exact year, make, model, factory audio system, trim level, and radio connector before installation Additional installation parts such as a dash kit, antenna adapter, steering wheel control interface, or vehicle data interface may be required Professional installation is recommended for best results Check the manufacturer instructions and current vehicle fit guide before installation What’s in the Box Metra 70-7901 radio replacement wiring harness Technical Specifications Brand: Metra Model: 70-7901 Product Type: Radio replacement wiring harness Application: Select Mazda aftermarket radio installations Compatibility Type: Vehicle-specific Connection Type: Factory radio connector to color-coded aftermarket radio leads Identifiers & Packaging MPN: 70-7901 UPC: 086429002627 Sold As: Each Included Components: Radio replacement wiring harness Why Buy From MCOR Automotive Authorized retailer for the brands we sell Specialists in vehicle audio integration, radio replacement parts, and installation accessories 22+ years of professional automotive electronics experience Expert support for compatibility verification and proper setup