Inspect the vehicle-specific connector plug. Look for bent or recessed pins that may miss connection contacts inside the radio port.
The module may not be receiving power. Verify that the Red wire is connected to a live 12V ACC source and that the Black wire has a solid ground connection. Ensure the vehicle ignition is turned on. Why is the audio volume extremely low?
This is usually a ground loop issue. Ensure your black ground wire is attached to clean, unpainted metal. jie rui bt5908 manual pdf verified
Reconnect the car battery and turn the ignition key to the or ON position.
The most consistent source for the manual is Manuals+, a website that hosts user guides for thousands of products. Inspect the vehicle-specific connector plug
Ensure the red wire is receiving a full 12V power supply when the key is turned. Check your ground connection (black wire) to ensure it touches bare, unpainted metal.
Search for devices and select: or "JIERUIBT" . No PIN is typically required for connection. Verify that the Red wire is connected to
The air in the garage was thick with the scent of old leather and motor oil as stared at the dashboard of his vintage sedan. He had the JieRui-BT 5908