From your description, it appears Pegasus is recognizing the Gryphon, so that part is fine. What's not fine is that the Gryphon screen is not lighting up. It should be red when first plugged in, then turn to green when Pegasus connects to it.
However, it will not hurt anything at all to plug it into your truck. Until you tell it to program the PCM, it's just a passive monitor. So, go to your truck and turn the ignition key to ON, without starting your engine. Then, plug the Gryphon into the OBDII port (you do not have to mount the Gryphon on the dash to do this). If the Gryphon screen shows your truck's hex code, you should be in business.
If it still does not light up, you may have the display set to "dim" or off.
I'll have to get back to you later on this though. We have guests due to arrive at any second.
- Jack
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2014 F150 Platinum SCrew 3.5L EcoBoost 4x4 with SCT programmer
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