Metra 70-7903T Service Harness for Mazda CX-7 CX-9 RX-8

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.

Key Features

• 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

Vehicle Compatibility

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: 86429177219
• 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