Originally Posted by gearloose1

Your numbers are perfect for a mild weather truck.

I note the 12.2 volt reading after truck started but glow plugs running would have (by some poster) qualified you for battery / alternator testing because it is "below" 13-15V spec!

Needless to say, your truck is showing great numbers.

Assuming you do not use the 4 aux lights, headlights, etc. all the time!