dash lights come on and trunk opens on it own what is the problem

my dash lights will come on and off every few minutes car goes in to start mod it says on dash push brake petal to start and ignition push button lights up,car not running and key fob away from car, the trunk will open on its own sometimes, if I leave the trunk lid open this issue stops, but when closed it starts again, I have replaced car and fob batteries also new trunk latch, if I unplug the 4 wire connector to latch,and close the trunk the issue stops as well ,after putting new latch in the issue stopped for a few days but now dash lights and start and going in to start mod on its own again -- Help me please