I am having a tough time keeping the lights working in the front two storage boxes on my 07 Puma. It is a grounding problem. I continue to tighten the screws that the ground wire goes to. They will work for a trip or two and quit again. The screws are going to twist off if I keep tightening them. The front two boxes are the only ones giving me problems. Is there a permanent fix for this problem?? T. Moss, 2007 Puma – Mercury 250 ProXS Chickasha, OK