Combine all ingredients in bowl; toss gently.
Thread scallops, shrimp, peppers and artichokes onto skewers; reserve marinade.
Lightly oil grid.
Grill kabobs, on uncovered grill, over low Briquets 6 to 8 minutes or until scallops turn opaque and shrimp turn pink.
Turn kabobs twice during grilling; brush with reserved marinade.