Brian. it is according to the trucks gage,when you turn on the headlight switch you can see the amp gage charge a little more, I will wait and see and then take the new alt off and get it checked, but all looks normal, something is weird though cause the battery was a 850 cca and it went down over night, the battery is only 3 months old...Fred


Redryder pix
My Hotrod
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