i will buy kit if anyone want sale post mehi,thank you verry much for all indirect help.have swap 8.4 for 12 inch with the help of this forum on my ram 2500 2019.change radio unit screen and configuration with alfaobd . job done the differences with 1500 dt is the hazard light already wired in both plugs and the camera and heated seats make 1 night to coming back on my screen.thanks again specialy post 309 and 319.