In A Small Bowl, Combine The First Five Ingredients; Mix Well. Remove 1/2 Cup To A Saucepan; Simmer Until Heated Through. Set Aside Remaining Mixture For Basting. Sprinkle Salmon With Lemon-Pepper. Place On Grill With Skin Side Down. Grill, Covered, Over Medium Heat For 5 Minutes. Brush With The Reserved Brown Sugar Mixture. Grill 10-15 Minutes Longer, Basting Occasionally, Until Fish Flakes Easily With A Fork. Serve With The Warmed Sauce.