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Finally fixed my wiring problem. On the EMS 221 dynon cable #100399-000 there is only one blue and one green wire. They were conneted to pins 34 & 35. I needed a blue and green wire that was connected to pins 36 & 37 which didn’t have any wires connected. Once I moved the wires to pin 36 & 37...

I’m starting to suspect the wiring. I’ve went so far as turning the engine over for a few seconds with the fuel off but that’s all. I appreciate the suggestions.

Yes, they are both on. I’ve shut everything down, then started again, but nothing changed.

I have entered the CAN entries and they still have an X on the face of the instrument. The EMS pin numbers are no longer shown. ?

Thanks for the quick reply. I’ll try it and let you know. This is a first build for me, so the new HDX & VPX have been quite a learning process.

After installing Dynons EMS-221 wiring harness the only engine instrument that doesn’t have an X across the face is the fuel pressure and battery volts. Each instrument also has CFG? shown. This is a new 912is and 2 Dynon HDX displays. I would appreciate any thoughts of what I did wrong.