1.Why can't turn on the car radio ? 1.1Please check the Voltage of car radio : 12V 1.2When you test this car radio,you can combine the red and yellow wires and connect them to the positive side of the power supply.Black line to negative power supply. 1.3Replace the same type of insurance to test the car radio. Note: Please must use our power cables to connect our car radio,it is not possible to insert the original car plug directly into our machine. 2.Why the car radio will show "No Signal" when we reversing? Please check if the camera's line is properly connected to the car radio. Note:The video port of rear camera must insert the "CAMIN" port of car radio. 3.Why does the camera display "!" and "Can't watch video while driving" when I use USB to watch videos? Please turn off the "Video.
eBay