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Old 06-27-2007, 08:14 AM   #1
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ZJ alternator in TJ Over charging HELP

A mate of mine from the Jeep club runs more lights than a christmas tree and a stack of other electricial gear before he headed off on his 5 month round Australia trip he installed a ZJ 136 amp alternator and it's overcharging .

Has anyone here done this conversion .

I was hopeing to get him an solution before he gets to his next stop he's in the middle of the outback at least a thousnd miles from a good Jeep mechanic

here's a link to his post on the Aussie forumhttp://www.ausjeepoffroad.com/forum/...ad.php?t=69285

Thanks

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Old 06-27-2007, 02:36 PM   #2
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What year was the ZJ and what year was the TJ? I'm guessing they both had 4.0L?

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Old 06-27-2007, 02:49 PM   #3
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My jeep came with a 136 amp alternator. No overcharging.
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Old 06-27-2007, 03:19 PM   #4
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But Mr.C Your TJ came with a 4cyl right?

Well he must have had a 97-98 Wrangler as they have 90amp Alts... And didnt the 99-06 TJ's have 114amp alts?
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Old 06-27-2007, 03:36 PM   #5
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But Mr.C Your TJ came with a 4cyl right?

Well he must have had a 97-98 Wrangler as they have 90amp Alts... And didnt the 99-06 TJ's have 114amp alts?
I have more than 1 jeep.

Some wranglers came with a HD electrical system and I believe they are 136 amp alternators.
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Old 06-27-2007, 03:41 PM   #6
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Quote:
Originally Posted by MR.CLIFFORD View Post
Some wranglers came with a HD electrical system and I believe they are 136 amp alternators.
I've only ever seen 90 & 117amp alts in TJs.... and from what I've read, only V8 ZJ's had 136amp alts.


krankieone - your friend has a '99 TJ correct? From what I've found, his alternator, the stone one I mean, that it was 117amp not 90amp, had an internal regulator... and the one he got out of the ZJ has an external. Thats why its overvolting.

If he can find an alternator from a 99-00 Dodge Truck, look like a V8, should bolt right it and has the needed internal regulator.
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Old 06-27-2007, 03:46 PM   #7
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Quote:
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And didnt the 99-06 TJ's have 114amp alts?
Quote:
Originally Posted by AzTJ View Post
I've only ever seen 90 & 117amp alts in TJs....

Which is it? 117 or 114?

Alright... I will get up and get the part number for you.
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Old 06-27-2007, 03:48 PM   #8
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that first one was a typo
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Old 06-28-2007, 10:39 AM   #9
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Thanks for the response Fella's

Quote:
Originally Posted by AzTJ View Post
If he can find an alternator from a 99-00 Dodge Truck, look like a V8, should bolt right it and has the needed internal regulator.
Unfortunately Chrysler didn't import them here so they'll be like rocking horse droppings
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Old 06-28-2007, 10:50 AM   #10
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Quote:
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they'll be like rocking horse droppings

That is a good one.

I don't imagine that there are a lot of spare parts, laying around, in the outback.
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Old 06-28-2007, 12:05 PM   #11
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how much A does the stock 2006 TJ alternator have?
i couldn´t find that in the FSM.
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Old 06-28-2007, 12:28 PM   #12
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nicolas - 117amp

krankieone - if there are any Dodge B. Series Vans with a 3.9L, 5.2L or 5.9L that will work as well. Even Dodge Durango's. BUt again, I donno if you have them them. Good luck.
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Old 06-29-2007, 12:03 AM   #13
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Would it not be plausible or possible to use an external regulator that would truncate some of the current being outputed by the alt.?

C.
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Old 06-29-2007, 01:05 AM   #14
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It could be done if you knew the wiring on the alternator... I'm sure a regulator of an early to mid 80's truck would work, but you'd need to know how to wire it.

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