If I might resurrect this old thread...
I've been able to orient the cables correctly to get backlight, but no display.
I've followed jinx post instructions here AND instructions here.
https://reprap.org/forum/read.php?146,751362,838428#msg-838428
I just learned of other resources, so I'm heading there as well.
resources mentioned in this thread:
https://github.com/MarlinFirmware/Marlin/issues/12262
Thank you any help you might be able to provide.
EDIT CLOSED / FIXED!
Thank you Jinx Your post (and removing other changes I had made) FIXED my ISSUE!!
Edited 3 time(s). Last edit at 11/13/2018 06:11PM by velvetbrain.