Quote Originally Posted by J57ltr View Post
Do that, I've literally spent hours driving through nowheresville with only the voltage showing and it's been that way in every GM car I have driven. I first noticed this in 05' and thought it odd. So I would like to see results of your test. I have logged mine and seen the same thing 12.5-14.7.

Jeff
see above ^^^^ nothing is wrong with my charging system, go drive