Switch can used for EFiLive or EZlynk Switch-on-the-Fly
If you are considering a GM Duramax LML EFILive tune or EZLynk Switch on the Fly tune for your truck, you’ll need one of these switches in order to be able to flip between the tunes.
It is important that you identify which vehicle you have by choosing the appropriate option before ordering.
If you have questions, please be sure to ask before ordering! Contact Us or give us a callus at 435-578-1230.