2 X 50 Watt Trunk Amp (120-1971) Troubleshooting Faxback Doc. # 17062 Q: Green lights fade at power-up and the unit loses power. A: Check the 12 V power lead to make sure when you turn on the remote switch on, the voltage level does'nt drop. Make sure the power lead is heavy gauge wire and that the ground is good. Always use fuse at the battery term.