Metra - AXBUCS-NI246V - Steering Wheel Control Harness - Fits MAZDA 2014-2021

The Metra Axxess AXBUCS-NI246V Steering Wheel Control Harness is a vehicle-specific wiring harness engineered for select Mazda models from 2014 to 2021. This harness enables the retention of factory steering wheel audio controls and select OEM signals when installing an aftermarket head unit, eliminating the need to cut or splice factory wiring. It incorporates a built-in voltage converter to adapt vehicle control voltages to levels compatible with aftermarket radios. Designed for professional installers and informed enthusiasts, the AXBUCS-NI246V simplifies integration and preserves key driver interface functions in Mazda vehicle audio upgrades.

KEY BENEFITS

• Retains factory steering wheel audio control signals for use with aftermarket head units
• Preserves compatible vehicle data outputs such as reverse trigger and speed sense where supported
• Includes a 12 V to 6 V step-down converter for proper voltage adaptation of control signals
• Pre-wired, vehicle-specific harness eliminates cutting into factory wiring for cleaner installs
• Color-coded leads simplify the connection to aftermarket radio harnesses
• Helps maintain factory-style user experience with OEM steering wheel control functions
• Designed specifically for Mazda audio systems from 2014–2021 with compatible head units
• Reduces installation time and wiring errors compared to custom harness fabrication

TECHNICAL SPECIFICATIONS

• Harness Type: Vehicle-specific steering wheel control retention harness
• Vehicle Compatibility: Select Mazda models 2014–2021
• Retained Features: Steering wheel audio controls, selected vehicle trigger outputs
• Converter Included: 12 V to 6 V voltage step-down module
• SWC Interface Requirement: External steering wheel control interface module (sold separately)
• Wiring: Color-coded leads for aftermarket head unit connection

INSTALLATION & COMPATIBILITY

The AXBUCS-NI246V plugs between the factory radio connector and the aftermarket head unit harness, allowing the retention of steering wheel controls and other supported OEM signals without modifying factory wiring. It is engineered for select Mazda vehicles equipped with compatible audio systems from 2014 through 2021. A compatible external steering wheel control interface module is required to enable full SWC functionality. Adequate dashboard space is needed to accommodate the harness and voltage converter assembly, and professional installation is recommended to ensure correct signal routing and reliable system operation.

FAQS

• What does the AXBUCS-NI246V backup camera do?
  AXBUCS-NI246V is a vehicle-specific rear-view camera for select Nissan vehicles, designed to deliver clear video and a clean, factory-style installation.
• How does AXBUCS-NI246V improve driving safety?
  It provides improved rear visibility when reversing, helping reduce blind spots and making parking and maneuvering safer and easier.
• Is AXBUCS-NI246V compatible with factory or aftermarket radios?
  It works with most aftermarket radios that support camera inputs. Compatibility should be confirmed based on the vehicle and head unit used.
• Should AXBUCS-NI246V be professionally installed?
  Professional installation is recommended to ensure proper wiring, camera placement, and long-term reliability of the video signal.