1. Product Overview
The ASC Audio OEM Factory Backup Reverse Camera Retention Harness with 6V Converter (Model B081MT7BTZ) is designed to integrate your vehicle's existing factory backup camera with a new aftermarket car stereo display or navigation radio. This harness ensures that your factory reverse camera functionality is maintained after upgrading your vehicle's head unit. It includes a 12V to 6V step-down converter, which is essential for powering certain OEM cameras.

Image 1: ASC Audio Backup Camera Retention Harness. This image displays the wiring harness with various connectors and the integrated 12V to 6V step-down converter.
2. Compatibility
This harness is compatible with specific Hyundai and Kia vehicles. Please review the following conditions carefully to ensure proper functionality:
- No Factory Navigation: This product is designed for vehicles that did not come equipped with a factory navigation system.
- Aftermarket Radio Requirement: The new aftermarket radio must have a dedicated backup camera input feature, typically found on radios with a video screen.
- Specific Vehicle Models:
- HYUNDAI:
- Elantra 2017 (Without 7-inch touchscreen radio)
- Elantra 2014-2016
- Santa Fe 2013-2016
- Santa Fe Sport 2017 (Without 7-inch touchscreen radio)
- Santa Fe Sport 2013-2016
- Sonata 2015-2016
- Tucson 2014-2017
- KIA:
- Forte 2017 (Without 7-inch touchscreen radio)
- Optima 2017 (Without 7-inch touchscreen radio)
- Optima 2016
- Sedona 2015-2016 (Without UVO radio)
- Sorento 2017 (Without 7-inch touchscreen radio)
- HYUNDAI:
Important Notes:
- NOTE 1: "Without 7-inch touchscreen radio" refers to vehicles that did not originally come with a 7-inch touchscreen display.
- NOTE 2: "Without UVO radio" refers to vehicles that did not originally come with a Kia UVO infotainment system.
3. Package Contents
Upon opening the package, verify that all components are present and undamaged:
- ASC Audio Backup Camera Retention Harness
- Integrated 12V to 6V Step-Down Converter
4. Setup and Installation
Installation of this harness requires basic knowledge of car audio wiring and vehicle disassembly. If you are not comfortable performing these steps, it is highly recommended to seek professional installation.
- Disconnect Battery: Before beginning any electrical work, disconnect the vehicle's negative battery terminal to prevent electrical shorts or damage.
- Remove Factory Radio: Carefully remove the factory radio from the dashboard. Refer to your vehicle's service manual or an online resource for specific instructions on how to safely remove the trim panels and radio.
- Identify Factory Camera Connection: Locate the factory wiring harness that connects to the original backup camera. This harness will typically have a video signal wire and power wires.
- Connect Retention Harness:
- Connect the vehicle-specific end of the ASC Audio retention harness to the corresponding factory camera wiring in your vehicle.
- Connect the RCA video output from the retention harness to the backup camera input on your new aftermarket radio.
- Ensure the 12V to 6V step-down converter, integrated into the harness, is properly positioned and connected to provide the correct voltage to the OEM camera.
- Connect any other necessary wires (e.g., reverse trigger wire from the vehicle to the aftermarket radio, if not already integrated into the harness's data connection).
- Test Connections: Before fully reassembling the dashboard, reconnect the vehicle's battery and test the backup camera functionality with the new aftermarket radio. Engage reverse gear and verify that the camera image appears on the radio screen.
- Secure Wiring and Reassemble: Once confirmed working, secure all wiring to prevent rattles or damage. Carefully reassemble the dashboard and trim panels.
Note: The harness is designed to provide the correct voltage (6V) to the factory camera, which is crucial for its operation. Do not bypass the integrated converter.
5. Operating Instructions
Once installed, the operation of your factory backup camera will be managed by your new aftermarket radio. Typically, when the vehicle is shifted into reverse gear, the aftermarket radio will automatically switch to display the camera feed.
- Automatic Activation: The camera should activate automatically when the vehicle is placed in reverse.
- Radio Settings: Some aftermarket radios may require initial setup or configuration in their menu settings to enable or optimize the backup camera input. Refer to your aftermarket radio's user manual for specific instructions.
6. Maintenance
The ASC Audio retention harness is a passive component and requires minimal maintenance. Ensure that all connections remain secure and free from moisture or physical damage. Periodically check for any loose wiring, especially if you experience intermittent camera functionality.
7. Troubleshooting
If you encounter issues after installation, refer to the following troubleshooting steps:
- No Camera Image / Black Screen:
- Check Connections: Ensure all connections, especially the RCA video cable to the aftermarket radio and the factory camera harness connections, are secure.
- Verify Aftermarket Radio Settings: Confirm that the backup camera input is enabled and correctly configured in your aftermarket radio's settings.
- Check Power to Camera: The 12V to 6V converter is crucial. Ensure it is receiving 12V power and outputting 6V to the camera. A multimeter can be used to verify voltage.
- Reverse Trigger Wire: Ensure the reverse trigger wire from the vehicle is correctly connected to the aftermarket radio's reverse input. Without this, the radio may not switch to camera mode.
- Camera Functionality: If possible, test the factory camera with its original setup or a known working display to rule out a faulty camera.
- Distorted or Poor Quality Image:
- Check RCA Cable: Ensure the RCA video cable is not pinched, damaged, or experiencing interference.
- Grounding Issues: Poor grounding of the aftermarket radio or camera system can cause video noise. Verify all ground connections are solid.
- Voltage Fluctuation: Ensure the 6V output from the converter is stable.
- Camera Not Activating:
- Reverse Signal: Confirm the aftermarket radio is receiving a reverse signal when the vehicle is in reverse. This can often be checked in the radio's system information or by using a multimeter on the reverse trigger wire.
- Compatibility Re-check: Double-check your vehicle's exact model and year against the compatibility list, paying close attention to the "Without 7-inch touchscreen radio" and "Without UVO radio" notes.
8. Specifications
| Brand | ASC Audio |
| Model Number | B081MT7BTZ |
| Material | Copper, Polyvinyl Chloride (PVC) |
| Item Weight | 0.09 kg |
| Connector Type | RCA, 3.5mm Jack (Note: 3.5mm jack may refer to audio or specific camera input, primary video is RCA) |
| Cable Type | RCA |
| Voltage Converter | 12V to 6V Step-Down |
9. Warranty and Support
For warranty information or technical support regarding your ASC Audio Backup Camera Retention Harness, please contact the manufacturer directly. Keep your purchase receipt as proof of purchase.
Manufacturer: Other (as per product data)
For further assistance, you may also refer to the support resources provided by your aftermarket radio manufacturer, as some issues may relate to radio configuration.