You pulled it off 6-7 hours too early
Brisket
1) Preheat grill to 250 degrees
2) Place seasoned Brisket fat side up on grill and cook until internal temp is 100
3) Turn grill to smoke and continue to cook for 3-4 hours
4) Place Brisket in foil and cook 250 for 3 hours
5) Open foil and cook for another hour
6) Remove foil and return Brisket back to grate for an additional 3 hours and cook at 225 or until internal temp is 190