BOSS Audio Systems CF4000D Fury 4000 Watt, 1, 2, 4 Ohm Stable Class D Monoblock Car Amplifier with Remote Subwoofer Control

of the phantom pd 5000 class d monoblock we have the ground connection 12 volt positive 12 volt remote take the allen key wrench back off the ground insert wire snugly and fasten and screw do not over tighten may cause wires to fray and come undone connecting the 12 volt power supply now the pd 5000 as shown has the ground and 12 volt power supply to it but no leds are turned on this is due to needing 12 volts supplied to the remote to initiate the leds and then to show that the amplifier is turned on if the remote button does come undone for any reason the amplifier will turn off although you still have 12 volt power supply children thing to note once the amplifier turns on the red led in protection mode will first light up and then you'll initiate the green led to initiate the power of the amplifier unless you're ready to use