I had my quadzilla on my truck for about a year then it went hay wire and the egt temp stuck so it wouldn't shut the truck off I had to unplug it just to kill the truck and ever since then it won't turn on. The screen is blank like there isn't even a chip on it any ideas on how I can fix this or is it just shot

You can send your Adrenaline and PV2 into us for a test and tune. If you had to unplug your Adrenaline to shut the truck off, it sounds like your board is toast and may need replacing.