Scan for new devices. The module typically registers under the name "JieRui-BT 5908" , "JieRui-BT" , or "Bluetooth Audio" .

Search for available devices and select (or a similar variant like "BT5908"). If prompted for a PIN code, enter 0000 or 1234 .

Disclaimer: Disconnect the car battery before working with electronics if you are not comfortable handling active circuits. Step 1: Access the Stereo

Bluetooth 5.0 (backward compatible with 4.0/3.0/2.0) Operating Voltage: 5V–12V DC Operational Current: 25mA Frequency Response: 20Hz–20KHz Total Harmonic Distortion: Signal-to-Noise Ratio: 90dB

Below is a comprehensive guide based on the Jie Rui BT 5908 Instruction Manual , covering specifications, installation steps, and pairing procedures.

Jie Rui BT-5908 Bluetooth Adapter Manual and Installation Guide

A loose black wire will cause intermittent power or complete failure. Ensure it sits against bare metal. Audio is Inaudible or Distorted

Since direct PDFs can be hard to locate, below is an based on verified user documentation and manufacturer specs. Use this as a functional substitute until you locate the original.

Use plastic trim removal tools to pry away the dashboard bezel surrounding the radio.

Connect this to a power source that turns on and off with the vehicle key (such as the cigarette lighter wire or the radio's ignition wire). Do not connect this to a constant 12V battery line, or the module will drain your battery overnight.

On the back of the radio unit, identify the empty 12-pin socket—typically the CD changer port. The Jie Rui adapter's main connector is designed to plug directly into this port. Older units might already have the factory CD changer connected, requiring disconnection.

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