Actually I think the correct output in say summer temperatures is around 7.4 volts, charging. This is all detailed in the shop manual. Here is a link an online copy. Shop Manual

Last edited by truckernix; 05/10/2013 2:21 PM.

1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!