Car Stereo Frequency Equalizer (120-1962) Troubleshooting Faxback Doc. # 18248 SYMPTOM POSSIBLE CAUSE REMEDY No sound (tape player Tape player/radio Repair or or radio does not defective. replace. operator). Faulty connection between metal frame of vehicle and ground wire. Fuse is blown. Disconnected or bad contact of input or output connector. Faulty connection of remote wire. No sound (power Power amplifier defective. Repair or amplifier does replace. not operate). Disconnected wire between power supply and power cord. Fuse is blown. Bad contact of input or output connector. Faulty connection of switched power lead.