Well this is a bit embarrassing, but now that I'm putting my Elvira and the Party Monsters back together, I can't figure out where the short red star posts go. I mean 4 out of the 16 star posts in this game are slightly shorter. The repair manual lists the different playfield posts etc., but does not specify the locations. I took about 450 pictures during disassembling the machine, but none of them show clearly what are the original locations of the short star posts. This is my first pinball project and all the star posts looked the same to me when I was removing them... Live and learn
Anyways, I would be super grateful if any fellow EATPM owner could check where they have the 4 short star posts. They are easy to recognise as they are shorter and have a little "neck" unlike the taller posts. My guess is two of them go to the adjustable posts on top of outlanes, but I'm not sure and that would cover only two of them.