There is also a fuse in one of the black box along with the connector.
Originally Posted by Darkoz
When you first turn the car on there is no need to press the left hand knob on the Dynavin.
Did you have the battery disconnected while you were insalling the unit?
Check the fuses in the glovebox and make sure none are blown.
Albert Einstein once said - Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.