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What would cause this?

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Old 03-22-2013, 03:17 PM
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Default What would cause this?

Afternoon everybody.
Today while sitting in traffic my volt gauge pegged out an 19 volts and about two minutes later it went back to 14. Was wondering if I should be concerned about this or not.
My rig is a 1998 XJ with the 4.0 I6. The alternator is a 90 amp that's only a year old and the battery is a 65 series that's a little over a year old.
Thanks in advanced.
Old 03-22-2013, 03:22 PM
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Sounds like the regulator is going south in the alternator.
Old 03-22-2013, 03:45 PM
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Poop.... Well,its got a lifetime warranty so no biggie. But could it hurt anything by doing so? It done about a month ago for pretty much same duration.
Thanks for the reply so far.

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