[Jackpine]

Anytime the screen stays lit with the key off, I suspect a failing battery. Have you had your battery tested?

And, if the battery is low enough, it may start the truck, but the voltage would have dropped low enough during the start that the Gryphon cannot reinitialize properly when the voltage comes back up. If you unplug your Gryphon after start and then plug it back in again (without shutting the engine down), does it work then?

- Jack