Xtenzi Wire Harness For Boss Radio DVD Navigatio speaker Power Plug CD MP3 DVD BV9973 BV9976 BV9978 BV9979B BV9980BT Xtenzi Harness for Boss Radio Indash Replacement, 20 Pin Wire harness For Select Models. Power/4-Speaker Plugs into car radio 20 Pin Plug, Compatible with BV9973 ,BV9976 ,BV9978,BV9979BBV9980BT " Allows for installation of an aftermarket radio wiring and connectors or Replace existing Harness High quality wire harness,Premium quality plug.Perfect Replacement for missing harness. Top quality all copper 18 gauge leads. Perfect Fit. 20Pin Wide connector