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- Sep 17, 2007
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So I just changed the upper/lower hoses and T-stat, put the truck back together and take it for a ride. Everything was going good until the battery light came on. It's an older Optima battery, but seems to be holding a charge just fine. I put a tester on it and it's at 12.63v. When the truck is idling or revving, it's at 14.4v. It doesn't appear to be the battery, regulator, or alt.??? Any ideas?
BTW, it's a 1996 4.0L.
BTW, it's a 1996 4.0L.
