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Author Topic: What size alternator for my XJ?  (Read 757 times)

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Offline dubbleJs

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What size alternator for my XJ?
« on: December 26, 2006, 01:11:31 PM »
My alternator just went on my 90 4L XJ. I dont have too many aftermarket accessories...two fog lights I just put in and probably 4 more offroad lights to come.
How many amps is stock, Will a 100amp do or should I go bigger? Any problems with fitment when going bigger than stock?
Called autovalue and they quote $130 + $50 core for 100amp.
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'91 XJ - 3" procrap - cutout for 33" MT's  - More and more dents every run...Sold.
'98 XJ - Lifted, locked and lovin' it

Offline keener

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What size alternator for my XJ?
« Reply #1 on: December 27, 2006, 12:01:27 PM »
I went to Amperage Technologies for my '98.. They specialize in alternators set up for offroad use. They got a 160 amp unit for mine. It wasn't cheap though ... $400.00
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'04 Unlimited with a few mods. SOLD
98 XJ with a few mods. SOLD
02 Sahara with lots of Mods.

Offline SwampSinger

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What size alternator for my XJ?
« Reply #2 on: December 27, 2006, 12:56:00 PM »
Quote from: "keener"
I went to Amperage Technologies for my '98.. They specialize in alternators set up for offroad use. They got a 160 amp unit for mine. It wasn't cheap though ... $400.00



They have quality product and great service... You pay for what you get. I beleive that.

Talk to Rich
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