mileage

Am I able to get the mileage from a 2008 Acadia instrument cluster? If so, what pins do I need to supply power and ground to? I tried searching for a diagram for the pinouts but couldn’t find it.

'15 Sierra - What's your highway MPG? Let me know what your averaging in a 2015 4WD crew cab 5.3 and 6.2 on the highway only. Don't really care about city mileage. Make these realistic - you know, driving down the interstate at 70, 75, and 80 mph. I have a new 2015 5.3 4WD Denali. Getting...