Well don't leave us hangin, which wire was it? Sucks how one wire can cause so much trouble. My charging system went south, replaced everything, twice, then by the third time I found the culprit. PO had "fixed" the wiring in the loom goin to the alt, I fixed it right and it's been fine for about two years now. Don't buy a truck from an electrician, he jacked all kinds of wiring up, Nate