Preheat the Indoor/Outdoor grill on Setting 4.
Season pork with salt and pepper. Place one cube of pork on a skewer, followed by one piece of pineapple, alternating until the skewer is full. Repeat with the remaining skewers.
Brush one side of each skewer with BBQ sauce and lay BBQ sauce side down on the preheated grill. Brush the top side with BBQ sauce and place the lid on the grill.
Grill the skewers for 4 minutes per side. Serve immediately.