I can't remember where I originally saw this info :( Apparently the wiring is different for JBL and non-JBL audio e7051 and e7057 non-JBL audio e7052 and e7058 JBL audio part1 of 6 part video https://www.youtube.com/watch?v=sGoOR9VGwfI replace prius denso navigation unit https://www.youtube.com/watch?v=q1K8QbHuVxs removing prius denso navigation unit https://www.youtube.com/watch?v=rXpf-TldzbU
