I purchased a Pioneer AVH-X390BS and the Pioneer AVIC-U280 Add-On Navigation System. I installed them in my 2003 Ford F250. All features are working correctly except the backup camera. The screen I get when activated is a black screen with the message "CAUTION: SCREEN IMAGE MAY APPEAR REVERSED". I get this same screen whether it is manually set to camera view or the backup camera view is activated when in reverse. The reverse trigger wire is functioning properly, it switches over to backup camera when vehicle is placed in reverse. The backup camera setting is ON and the polarity is set t
