No it does not just digital on dash and it was not alternator found bad wire from ecm to batteries truck shut down when moved wire replaced bad...
mine started yest replaced alt and belt today waoting on load tomm to see if it was alt trying to go out
I am having poblems with my voltage guage when I am accelerating thru the gears then when running hiway speeds volts go back up to 13.9 @ idle...
Gunner 76 did the spare alt fix your problem I am having the same prob
I've got the same problem with an 05 pete just purchased last month, and were having 30 to 50 degree weather and mine still clatters under light...
