Xtenzi 16 Pin wiring harness for Pioneer (CDE6563) SHOULD WORK ON:. PIONEER / PREMIER Select 16 pin model,Refer to following models, not sure ask us. DEH-P8400, DEH-P8400mp, DEH-P8400MP/XN/UC, DEH-P840MP/XN/UC, DEH-P8450MP/XN/ES, DEH-P8450MP/XN/ES9 DEH-P8500MP, DEH-P9300, DEH-P9300/UC, DEH-P930/UC, DEH-P9350/ES, DEH-P9400MP DEH-P9400MP/UC, DEH-P940MP, DEH-P940MP/UC, DEH-P9450MP/ES, DEP-H8500MP, HP9300 Its not universal,Pioneer has 4 difrent type plugs but this plug fits most models.