Pull husks back from corn, and scrub silks. Brush sauce over corn. Pull husks back over the corn to cover. Tie a string around top of husks to secure. Repeat procedure with remaining corn.
If using wood chips, wrap the wood chips in a double layer of foil; pierce the foil packet several times. Add foil packet to grill rack for 5 minutes. Place corn on grill rack; grill, covered, for 15 minutes or until done, turning occasionally.