inputs.text: doa unit no support except ehemail - purchased \\plug play\\ unit 2007 ford f250 truck supposed factory retrofit hardlyfirst not come way attached factory mounting brackets necessary user fashion custom location tehemplate get self tapping sheet metal screws drill support holes ok right tools extra hour doable wiring harness adaptors also modified wires matching factory plug ok no communication cables match factory steering wheel controls perhaps optional harness not included need match wire steering wheel wrote function unnecessarysix hours later finally installed unit not power even checking connections multimeter doa not peep square not offer support phone use ehemail made suggestions trey via ehemail already tried not respond furthersquare canada returns problehematic unit 2 weeks still not received return authorization money gone truck dash disassehembled stuck dead unitbe prepared spend lot time putting car hardly plug play works lucky long good warranty cannot reach seller manufacturer