Not familiar with the EM2 but with some LCDs the contrast ratio needs to be adjusted to get any characters showing. Backlight is sometimes separate. Finn On 7/27/2024 1:01 PM, DOUGLAS LOMHEIM dlomheim@aol.com wrote: > I hoped to be on verge of a 1st engine start, but after confirming all pin callouts for P1, 2&3, I plugged everything in and still have a blank / unpowered screen. As long as P3-9 has 12 V, and P3-8 goes to ground, the screen should light up? How do I know if it’s an LCD? I would assume “no”, since the instructions say I would have been provided with “prewired dimmer switch”. > Thanks for any suggestions > > Doug > > > > Sent from my iPhone > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html