Fuhjythy Car Stereo Audio Power Amplifier Audio Amplifier C-236 3800W 2 Channel for Car Subwoofer

3.Be sure to connect the REM interface.when you test the amplifier,you can connect with power ground +12V.And then,you should find the ACC control wire interface which on your CD player, if the Player has no this interface,you can connect the ACC line that on the key switch.Make sure don't the iron, or it short-circuit. 2.The GND interface must be connected to the negative pole,ground connection is OK. Instructions for Use: 1.Please connect the battery positive,Don't just connect a positive line casually, or it Burn out circuit. 4.If you find the indicator light is red when you wiring,please unplug the power immediately and reconnect.If the red light lasts for five minutes,the protection of the amplifier burn out.The blue light is normal.