Metra
Metra 70-7903T Service Harness for Mazda CX-7 CX-9 RX-8
Metra 70-7903T Service Harness for Mazda CX-7 CX-9 RX-8
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Metra 70-7903T is a service harness for select Mazda CX-7, CX-9, and RX-8 vehicles. It allows the OEM radio to be plugged in for clock adjustment after an aftermarket radio installation without disassembling the dash to reconnect the factory radio.
At a Glance
- Service harness for select Mazda vehicles
- Allows the OEM radio to be plugged in to adjust clock time after aftermarket radio installation
- Designed to unplug after clock adjustment and tuck out of sight
- Helps avoid dash disassembly when clock adjustment is needed
- Vehicle-specific accessory harness for supported Mazda applications
System / Wiring Notes
- This is a service/accessory harness, not the main radio power harness
- Use only for compatible Mazda applications listed by Metra
- Verify installation method with the manufacturer instructions before use
Exact Vehicle Compatibility
Find 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 | CX-7 | 2007-2009 | Non-amplified factory audio system | Radio wiring harness for non-amplified system |
| Mazda | CX-7 | 2010-2012 | Non-amplified factory audio system | Radio wiring harness for non-amplified system |
| Mazda | CX-9 | 2007-2009 | Non-amplified factory audio system | Radio wiring harness for non-amplified system |
| Mazda | CX-9 | 2010 | Non-amplified factory audio system | Radio wiring harness for non-amplified system |
| Mazda | CX-9 | 2013-2015 | Factory amplified audio system | Radio/amp integration harness for amplified system |
| Mazda | CX-9 | 2013-2015 | Non-amplified factory audio system | Radio wiring harness for non-amplified system |
| Mazda | RX-8 | 2009-2011 | 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 70-7903T service harness
Technical Specifications
- Brand: Metra
- Model: 70-7903T
- Product Type: Service harness
- Application: Select Mazda aftermarket radio installations requiring OEM radio clock adjustment access
- Compatibility Type: Vehicle-specific
- Primary Function: OEM radio clock adjustment access
Identifiers & Packaging
- MPN: 70-7903T
- UPC: 086429177219
- Sold As: Each
- Included Components: Service 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
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