Someone removed the lower right bolt for the tailgate piece and drained water out....
Your next step should be to find the source of water intrusion (crack in lens?) Then silicone up any problem areas... do you garage your D or is it exposed to the elements?
Your next step should be to find the source of water intrusion (crack in lens?) Then silicone up any problem areas... do you garage your D or is it exposed to the elements?