If you have it that far apart and it is still hanging on there must be at least one bolt still holding the dash cover on. You can leave a certain amount of things installed but it won't move far because of the wire harnesses. Hope you find it soon.
If you need some new dashboard screws I got mine from fastenall on line I have the part number they are M4.2-1.41x20mm black oxide. 100 each part number on the box is 12060 sub number is (11501884).
89YJ 2.5L TBI, AX-5, NP231 SYE, Ford 8.8, Yukon Grizzly, Tom Woods Shaft, 33" BFG T/As, 4" lift, Warn VR10000s.
AF Jeep Club Tail #184