Quote Originally Posted by jffbrght View Post
There is no "switch" showing on mine after I did the MM3 update from their site. It is just a blank blue box iirc.
You have 2.2.1 firmware on your tuner. The latest is 2.2.2 and it was just released yesterday. You gotta have 2.2.2 to see the switch.

Ray

Owner and Calibration Specialist
Double R Diesel
www.doublerdiesel.com
info@doublerdiesel.com