To be used with current Khrome Werks trailer hitchesPlug-and-play 56'' wiring harness features an isolator module with a fused, separate circuit from battery positive to power the trailer lighting works through built-in relays and prevents overloading of factory-lighting circuit5-pin, die-cast, automotive style connectorMounts using mounting bracket that bolts directly to the safety chain bracket on current production Khrome Werks trailer hitchesAn isolator is a must for '09 and later Harleys pulling trailers with conventional incandescent lighting (higher amperage requirements than trailers with LED lighting)Made in the U.S.A.AMP Multilock plugs15 amp fuse/holder, butt connector and ring terminal