Simple fault analysis and troubleshooting:
1. Please confirm whether the wiring harness is consistent with the original wiring harness: please confirm your model and configuration, and use the corresponding wiring harness.
2. There is noise when the product is in use: Please confirm whether the connection line of the host is correct and whether it is loose. After removing it,there is still noise. Please check whether the ground wire is connected to the CD or DVD case.
3. The working indicator light is off/no sound: Please confirm whether the host cable is connected correctly, and check whether the original car has its own power amplifier or whether there is a modified power amplifier.
4. Both the original car main unit and this machine are powered on: check whether the original car owner's power supply is connected properly, and whether the grounding black wire is connected to the original car main unit.
1. Please confirm whether the wiring harness is consistent with the original wiring harness: please confirm your model and configuration, and use the corresponding wiring harness.
2. There is noise when the product is in use: Please confirm whether the connection line of the host is correct and whether it is loose. After removing it,there is still noise. Please check whether the ground wire is connected to the CD or DVD case.
3. The working indicator light is off/no sound: Please confirm whether the host cable is connected correctly, and check whether the original car has its own power amplifier or whether there is a modified power amplifier.
4. Both the original car main unit and this machine are powered on: check whether the original car owner's power supply is connected properly, and whether the grounding black wire is connected to the original car main unit.