Page #6 of my user manual lists the power supply requirements. This will allow you to run the Predator from your desk (no auto needed).

When I sent the unit in for repair I asked them to send me a new instruction manual, and they did not. Is there anyway you can Access the instructions online or ...

Thanks for the help I am going to go to an AutoZone or something tomorrow just to see if there tool works to see if its my car or the tool.

As far as the boot from a wall-wort power supply, I am not sure what you are talking about. I have the predator that I just plug into my Port under the dash ...

This is my first time using the forum so my bad if this post is in the wrong section. I have had my predator for over a year now and never had any problems up until now.
When I go plug the predator into the car to read a check engine light i get no response from the predator. No lights on the screen ...