Welcome to the site. I have moved your post to an area that would get the attention that it needs. I have also copied it into another area.
Regarding the radio. Is it a stocker? Was it added or replaced recently? If so you may want to look at what power source you had it attached to. If not.... I would have to give a little more think on it when i get some coffee in my system.
yes stock radio. upluged bcm @light went off. pluged back in light off but wait start car on @off radio light flicker. screwed up put bcm in from a older crown vic that was wreak. could be the trouble ????