Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your GOHHDL Android 15 Car Stereo. Please read this manual thoroughly before installation and use to ensure proper function and to maximize your experience with the device. This unit is designed for specific vehicle models: Dodge Grand Caravan (2011-2020), Chrysler Town & Country (2011-2016), and Grand Voyager (2011-2015).
Product Overview
The GOHHDL Android 15 Car Stereo is an advanced infotainment system featuring a 9-inch high-resolution touchscreen. It integrates modern connectivity and entertainment options to enhance your driving experience.
- Operating System: Android 15 for modern app compatibility and an intuitive interface.
- Memory & Storage: 4GB RAM + 64GB internal storage for fast performance.
- Display: 9-inch ultra-high-resolution touchscreen with split-screen support.
- Connectivity: Wireless Carplay, Android Auto, Mirror Link, Bluetooth, WiFi.
- Audio: AI DSP & 32-band EQ for sound customization, FM/RDS radio.
- Navigation: Built-in GPS with support for online and offline maps.
- Safety Features: AHD Backup Camera input, Steering Wheel Control (SWC) compatibility.
Package Contents
Verify that all items listed below are included in your package:
- GOHHDL Android 15 Car Stereo Unit
- Power Cable
- Radio Antenna
- GPS Antenna
- USB Cable
- Canbus Decoder (if applicable for your vehicle model)
- Installation Tool
- RCA Cable
- Microphone
- Rear Camera Input Cable
- AHD Backup Camera
- User Manual
Figure 1: Included components and dimensions of the stereo frame.
Installation Guide
Professional installation is recommended. Ensure the vehicle's power is disconnected before beginning installation.
1. Pre-installation Check
- Confirm compatibility with your vehicle model and year.
- Gather necessary tools (e.g., screwdrivers, trim removal tools).
- Disconnect the negative terminal of the car battery.
2. Removing the Original Radio
- Carefully remove the dashboard trim panels to access the original radio.
- Unscrew and detach the original radio unit.
- Disconnect all wiring harnesses from the original radio.
Figure 2: Comparison of dashboard before and after stereo installation.
3. Wiring Connections
- Connect the provided power cable harness to the car's wiring.
- Connect the radio antenna and GPS antenna. Position the GPS antenna in a location with a clear view of the sky.
- For the AHD Backup Camera: Connect the camera's video output to the "CAM IN" port on the stereo. Connect the camera's power wire (red) to the vehicle's reverse light power and the ground wire (black) to a chassis ground. The pink reverse trigger wire from the stereo harness should be connected to the reverse light signal wire of the vehicle.
- Connect any additional accessories such as USB cables, external microphone, or RCA cables as needed.
Figure 3: AHD Backup Camera wiring diagram.
4. Mounting the New Stereo
- Secure the new GOHHDL car stereo into the dashboard opening.
- Reinstall the dashboard trim panels.
5. Initial Power-Up
- Reconnect the car battery's negative terminal.
- Turn on the vehicle ignition and power on the stereo.
- Perform a basic function test (radio, touch screen, sound).
Operating Instructions
1. Power On/Off
Press and hold the power button (usually located on the front panel or a soft button on the screen) to turn the unit on or off. A short press typically mutes the audio or puts the unit into standby mode.
2. Touchscreen Interface
The 9-inch touchscreen allows for intuitive control. Swipe left/right to navigate between home screens, tap icons to open applications, and use pinch-to-zoom gestures where supported (e.g., in maps).
3. Wireless Carplay & Android Auto
Connect your iPhone or Android smartphone wirelessly via Bluetooth or Wi-Fi hotspot to access Carplay or Android Auto. This allows for safe use of navigation, music, calls, and messaging apps directly on the stereo screen.
- Connection: Enable Bluetooth and Wi-Fi on your phone. On the stereo, go to the Carplay/Android Auto app and follow the on-screen prompts to pair your device.
- Mirror Link: For devices not supporting Carplay or Android Auto, Mirror Link allows mirroring your phone's screen to the stereo.
Figure 4: Wireless Carplay, Android Auto, and Mirror Link functionality.
4. GPS Navigation
The unit features a built-in GPS module. You can use pre-installed navigation apps or download others from the Google Play Store. Both online and offline maps are supported.
- Online Navigation: Requires a Wi-Fi connection (via hotspot from your phone or a dedicated Wi-Fi source) for real-time traffic updates and map downloads.
- Offline Navigation: Download map data for your region to use navigation without an internet connection.
Figure 5: GPS Navigation and Wi-Fi Hotspot features.
5. Bluetooth Connectivity
Pair your smartphone via Bluetooth for hands-free calling and wireless audio streaming.
- Pairing: Go to the Bluetooth settings on the stereo, enable Bluetooth, and search for your phone. Select your phone from the list and confirm the pairing code.
- Hands-Free Calling: Once paired, you can make and receive calls directly from the stereo screen. Your phone's contact list can be synchronized.
- Music Streaming: Play audio from your phone through the car's speakers.
Figure 6: Bluetooth music and calling interface.
6. FM/RDS Radio
Access local radio stations with the built-in FM tuner. RDS (Radio Data System) provides additional information like station name and song title where available.
- Tuning: Use the on-screen controls to scan for stations or manually tune to a frequency.
- Presets: Save your favorite stations for quick access. The unit supports up to 18 common preset stations.
Figure 7: EQ settings and FM/RDS radio interface.
7. Audio Equalizer (EQ) & DSP
Customize your audio output with the integrated AI DSP (Digital Signal Processor) and 32-band Equalizer. Adjust frequency bands to achieve your preferred sound profile.
- Access the EQ settings from the main menu or audio settings.
- Choose from preset sound effects or manually adjust individual frequency bands.
8. Split Screen Function
The split-screen feature allows you to run two applications simultaneously on the 9-inch display, such as navigation and music playback.
- To activate, open an app, then long-press the recent apps button or drag another app from the recent apps list to one side of the screen.
Figure 8: Split screen, UI themes, and memory configuration.
9. Steering Wheel Control (SWC)
If your vehicle supports it, you can configure the stereo to respond to your steering wheel controls for functions like volume adjustment, track skipping, and answering calls.
- Access the SWC settings in the system menu.
- Follow the on-screen instructions to map your vehicle's steering wheel buttons to the desired functions on the stereo.
Figure 9: Reversing display and Steering Wheel Control setup.
10. Reversing Camera Display
When the vehicle is shifted into reverse gear, the stereo will automatically display the feed from the connected AHD backup camera, providing a wide-angle view to assist with parking and maneuvering.
- Ensure the backup camera is correctly installed and wired as per the installation guide.
- The camera features night vision for clear visibility in low-light conditions.
11. UI Themes
The system offers multiple UI (User Interface) themes and wallpaper options to personalize the look of your stereo's interface.
- Navigate to the display or theme settings to browse and apply different themes.
Maintenance
- Screen Cleaning: Use a soft, lint-free cloth to clean the touchscreen. For stubborn smudges, lightly dampen the cloth with water or a screen-safe cleaner. Avoid harsh chemicals.
- Software Updates: Periodically check for system updates via Wi-Fi to ensure optimal performance and access to new features.
- General Care: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Incorrect wiring, blown fuse, loose connection. | Check power cable connections, inspect vehicle fuses, ensure battery is connected. |
| No sound | Volume muted, incorrect audio settings, speaker wiring issues. | Check volume level, verify audio output settings, inspect speaker connections. |
| GPS signal lost/inaccurate | GPS antenna obstructed, faulty antenna, software issue. | Ensure GPS antenna has a clear view of the sky, check antenna connection, restart the unit. |
| Bluetooth not connecting | Phone not in pairing mode, incorrect pairing process, interference. | Ensure phone's Bluetooth is on and discoverable, re-attempt pairing, clear previous pairings. |
| Backup camera not displaying | Incorrect camera wiring, faulty camera, reverse trigger not connected. | Check camera power and video connections, verify reverse trigger wire connection. |
| Touchscreen unresponsive | System freeze, debris on screen. | Restart the unit. Clean the screen. If issue persists, contact support. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | B0F9F9CYWB |
| Operating System | Android 15 |
| RAM | 4GB |
| Internal Storage | 64GB |
| Screen Size | 9 inches |
| Screen Resolution | 1280*720P IPS Touchscreen |
| Connectivity | Bluetooth, Wi-Fi, USB |
| Special Features | Wireless Carplay, Android Auto, Mirror Link, GPS, FM/RDS, EQ, AI DSP, SWC, AHD Backup Camera Support |
| Audio Output Mode | Stereo, Surround (5.1 channel configuration) |
| Video Encoding | H.264, H.265/HEVC, MPEG-4 |
| Item Weight | 3.21 pounds |
| Package Dimensions | 10.35 x 6.02 x 3.94 inches |
Warranty and Support
GOHHDL provides a 12-month replacement warranty and lifetime technical support for all products. We also offer a 30-day money-back guarantee.
For technical assistance, troubleshooting, or warranty claims, please contact our support team:
Email: gohhdltechsupport@yeah.net
Figure 10: GOHHDL Online Support Contact Information.