This Digitrax 5 Pack of replace wiring harness are for the Digitrax N-Scale wired decoders. Many clubs provide wire harnesses for their club members along with a Digitrax DHDP shorting plug. When the member attends a club operating session the member replaces the DHDP with a club owned decoder. Both items, DNDP and DNWH are great DCC club accessories.
