Sweet and Sour Meatballs

1 jar (12oz.) chili sauce
1 1/2 cups grape jelly
2 lb. (32 oz.) frozen meatballs

1.  Pour meatballs into crockpot. Combine jelly and chili sauce in small bowl. Pour over meatballs.
2.  Cook on low 3-5 hours or until meatballs are heated through
3.  Serve with toothpicks