1. Combine shrimp, juice and garlic powder in bowl; toss to coat. Marinate in refrigerator 30 minutes. Drain shrimp; discard marinade.
2. Alternately thread pineapple, pepper and shrimp onto 4 (10-inch) skewers. Brush with chili sauce. Grill, 4 inches from hot coals, 5 minutes or until shrimp are opaque, turning once and basting with chili sauce.