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Old 09-01-2004, 01:02 AM
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Obi-Wan Obi-Wan is offline
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Re: New alternator not charging

Well, after swapping in 2 rebuilt alternators, we finally hauled it into the dealership. Their first response was "your alternator is dead -- you need a new one." Well no duh. We insisted that that wasn't the root of the problem, and that they should look further. Eventually they found a fuse that was burn out (a tiny 15A fuse in the engine bay fuse block). Replacing that fuse solved the problem. Even the "dead" alternator sprang to life, which makes me wonder if the original alternator had any problems at all. :-(

What really confuses me is that the first "new" alternator we installed seemed to work just fine for at least a minute while we were testing it, so I assume that fuse must have blown sometime after that. I'm keeping my fingers crossed that this problem doesn't pop up again...
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2001 Chevy Tahoe LT, 5.3L, 3.73, 265/75R16, victory red
1995 Jeep Wrangler, 2.5L, 4.11, 33x9.50, SOA, air, welder, 8274
1977 Jeep Wagoneer, 401, 3.54, 235/75R15
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