Originally Posted by
kwiksi
Double check that your wires (-+s) from speedo and esc aren't backwards. Had this happen to a buddy and couldn't figure it out for a few hrs until I mentioned it. As far as PC interface. Sounds like the driver portion of the software is not setup. It took me a while to figure it out. Had to delve into the settings portion of my laptop to open it and allow it to work.
Hope this helps.
Plug orientation was the first thing I checked. If I reverse the plug the programming card won't even light up. I checked my driver settings according to the tech bulletin on the speed passion site and it appears they installed correctly, but I am running Windows 7 so who knows..