Is the MM3 expandable sensor wise? Can someone add fuel pressure sensor, trans temp, drive pressure?
I have a new in the box CTS that’s never been used. Guess the MM3 would display all the same as the CTS and then some?
Don’t mean to hijack the thread.
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Nick J
'14 Silverado LTZ 5.3 4wd
'05 Cummins QCSB 4wd 48re
'91 Cummins w350 5spd
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