TCS 1369 Wire Harness MC-5″ 8 Pin NMRA To 7 Pin JST Keith 5 years ago Train Control Systems 1369 Wire Harness MC-5″ 8 Pin NMRA To 7 Pin JST TCS-1369 MC-5″ is a 5″ or 125 mm Harness with a 8 pin NMRA plug for the MC series decoders.