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Upgrade Alternator?

Old 08-04-2016, 09:37 AM
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Join Date: Mar 2016
Location: AV Kalifornia
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Year: 1996
Model: Grand Cherokee
Engine: 4.0
Default Upgrade Alternator?

I picked up a Harbor Freight 12K winch, and also installed an electric fan so now I am thinking I should consider upgrading the alternator so that I don't kill the battery. according to my build sheet I have a 117 amp alternator. should I upgrade it and if so what alternators are a good upgrade?
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Old 08-04-2016, 10:46 AM
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Join Date: Jul 2013
Location: Monett, MO.
Posts: 7,554
Year: 1999
Model: Cherokee
Engine: 4.0

I think mine was from a Durango a 130 amp I had rewound at a shop to 160 amps for my XJ, All I has to do was take a die grinder to a couple of spots on the intake as I recall for clearance, its been 4 yrs ago.
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