The LokSound by ESU DCC Decoder Cable Harnesses make DCC decoder installation easier in locomotives with no decoder socket. The harness comes with either a NEM652-NMRA 8-Pin or NEM651 6-Pin Socket. Use the harness for hardwiring the socket into your favorite locomotive and use the socket for plugging in your chosen decoder. The DCC Decoder Cable Harness includes 11-13/16" 30cm wire leads. These decoder harnesses are part of the broad assortment of ESU DCC accessories.