[PDF] DCC Wiring – A Practical Guide. DCC WIRING CLINIC 9 DCC Wiring Basics II With just one large block, wiring mistakes and failures can be very hard to locate – one defect anywhere and its no go everywhere. Be very careful in wiring methods and workmanship. Leave no bare wire. Check for short circuits as you go, before the booster is connected. Simple multi-meter is fine. Related searches for ho wiring diagram ho train layout wiringwiring for model train layoutsho scale wiringho scale track wiring diagramsho train wiringho wiring basicswiring ho layoutswiring ho train track loop