Have had a VMSpc on two MH's over the last 10-12 years.
The red/yellow/green are coming from the VMSpc programming, and are probably taken direct from the manuals for the specific engine.
You can change the specs inside the VMSpc editor as I remember.
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2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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