Hello I have a 65 Booneville safari and cannot get the glass to go down in order to open tailgate I move the front switch and hear the clicking in rear but nothing also the floor spring flap is folded up and can't get to all screws to remove panel inside of gate and the drivers side rear wheel well box cover is in way also when trying to pull spring flap towards front of car to gain access to screws on back tailgate. Any ideas or help