crwdns2934241:0crwdne2934241:0 Chris Stables
crwdns2934249:0crwdne2934249:0:
Try disconnecting one camera at a time. I would start with the front one first as this would have been the only one touched during the screen swap. If the rear camera starts to work with the front one disconnected you have found the problem.
crwdns2915684:0crwdne2915684:0:
open