i dont know what it is gonna try running it off my other car see if it keeps on doing the same thing i know that one has no electrical bus in it and street wires 0 gauge kit sanded paint to ground 0 gauge sub cuts out on bass knob and amp controls think it might b the cars wiring ? worse comes to worse maybee ill by pass the stock harness bull shit ? what u think ? radio got three of them .. keep trying ? any help would help thanks alot!