Place first 4 ingredients in a spice or coffee grinder; process until coarsely ground. Rub over all sides of tenderloins. Wrap tenderloins in plastic wrap; refrigerate 1 1/2 hours or up to overnight.
Soak wood chips in water 30 minutes; drain.
Prepare the grill for indirect grilling, heating one side to low and leaving one side with no heat. Maintain temperature at 200° to 225°.
Heat a large, heavy skillet over high heat. Unwrap tenderloins. Coat pan with cooking spray. Add tenderloins to pan; cook 1 1/2 minutes on each side or until browned. Remove from pan.
Place half of wood chips on hot coals. Place a disposable aluminum foil pan on unheated side of grill. Pour 2 cups water in pan. Coat grill rack with cooking spray; place on grill. Place tenderloins on grill rack over foil pan on unheated side. Close lid; cook 1 hour. Place remaining wood chips on hot coals. Close lid; cook 1 hour or until a thermometer inserted into thickest portion of 1 tenderloin registers 155° or until desired degree of doneness. Remove from grill; cover and let stand 10 minutes. Cut crosswise into thin slices.