Off the top of my head...
There is a ground strap at the tailgate that is easy to miss. Dont forget to unbolt the gas filler neck. Oh, and I think the taillight harness is back there too. Unhook the shifter cable from the tranny. The wiring harness must of course be disconnected in the engine bay. The front shock mounts are the highest point if I remember correctly, so if you are pulling the frame out from the rear, keep this in mind. There are 6 body mounts by the way. Two right near the firewall, two over rear wheels, and two near the tailgate.
I used three 4x4s (2 2x4s oriented with there width vertical for strength) to span each set of two body mount pads on the body. I carefully jacked up each set and essentially rocked the body upward from the front-middle to front-rear and so on.
It wasnt as hard as I thought I was going to be, but quite time consuming doing this way by myself.
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Toys dildo