Greetings to all .. I am nessling an aid with my car that does not turn on the board nothing Nenguna Luz is as dead, I tell you how all the culprit was an irresponsible mechanic, and inexperience And then march. Well I tell you that I am tired of being scammed by these false professionals, and the manual here from the forum and I have some knowledge of electronics and I also have a multimeter, with some help I think I can locate the fault. Of course, thank you very much for some contribution. greetings