I've got a Cruizer 2 that Iam trying to use the 12 volt switched power to turn the mapping on/off.  I had a cruizer 1 previously and have the connector that I plug the 12v wiring into, then onto the back of the Cruizer.  Not having any luck getting the mapping to turn on/off, it stays on all the time. I can get it to toggle with the touch screen mode.  I have the setting on the "hardware" and not the "touch screen".  Tried putting the connector with 12 volt on all 3 of the terminals on the back of the cruizer and still nothing.  Do I need a different connector? Or switch some other setting?

Thanks