APX 7500 with 07 head not responding to ignition sense
Posted: Wed Jun 24, 2015 9:58 am
I have an APX 7500 with an 07 head that will not respond to ignition sense. My yellow wire is connected to ignition and the rest are connected to battery. When unit is turned off then vehicle is turned on head unit flashes "APX 7500" then powers off. Radio works fine in manually.