I need to drop the fuel tank in my 79 Bronco so I can get the fuel gauge working. I was wondering if there is anything I should look out for when removing the tank? Looks like it should be pretty easy, truck is high from the ground so it is easy to get under it. When I turn my key on the fuel guage goes up a little bit but still below E so I thought maybe the float has a hole and is full of fuel? I guess I will find out if it is the sending unit or float after I drop the tank.