To be used with current Khrome Werks trailer hitches Plug-and-play wiring harness features an isolator module with a fused, separate circuit form battery positive to power the trailer lighting; works through built-in relays and prevent overloading of factory-lighting circuit 5-pin, die-cast, automotive style connector Mounts using mounting bracket that bolts directly to the safety chain bracket on current production Khrome Werks trailer hitches