You guys are great, thanks for all the ideas. Swapping the insert direction on the exp1 and exp2 did the trick. I’m still going to try the motherboard change in the config to actually figure out why the pins are inverted. I’ll add to the thread if I discover the root cause. Thanks again for all the support, you guys have been great.
I was going to plus one that as well. I bought a really cheap full graphics and board and had to swap the direction as well Makes me nervous about what else can be messed up on the boards.
I had the same problem and yes pins are inverted. Ibelieve it is a design mistake thats it. There are many similar boards where pins are in correct order. If you have new idc socket and idc crimper like me it is easy to swap them but w/o tools the best way is to trim the locating tub and use it reversed.
These boards are cheap but very unreliable. I have burned mosfets, plugs, low 5v and a lot of similar stories from my experience. But if you know what you do and build the printer for yourself these are all good options.
if after flipping the connector, you only have a blue screen with no text (on an ender), go back into Marlin and comment out the LCD lines like:
//#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
