can you do this in an 05+ truck i tried it in mine and it didn't work, is there another way?

my buddy did it in his 99 lightning and it work. its awsome real time tach, oil press, ect. please let my know.

http://www.mustangworld.com/ourpics/fcar/dtcodes.htm

It works for my 04 mini message board. Just hold the reset button while starting the vehicle.

yeah used it the other day actually, there is a lot of different things in that menu i believe the tach is about the 9th one...

-Matt

is it an 05+?

It works on My truck and its an 05

i did it you turn it to on. i thought i seen it say to turn to acc

Yup i got an '07 Screw and i was using it today. neat little feature.

i wonder if anyone has or could get list of each thing in that display,maybe there are other useful things in there that we dont know about.