Ok, i need some help. Im in the process of putting in the non ac heater box and i think im missing a peice. I have the top defroster peice that goes the length of the dash, and i have the lower peice that exits the box and the peice with the 2 jets for the floor heat, but just to the left of the floor peices, on the drivers side the duct work just ends and theres a 3"x3" kind of square hole. Am i missing a peice that goes here? please help!
