Durango Alternator Swap with pictures! - Page 11 - JeepForum.com
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post #151 of 152 Old 05-17-2016, 11:27 AM
SvtLdr
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1998 TJ Wrangler 
 
Join Date: Feb 2014
Location: Fort Wayne
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Originally Posted by D0T-C0M View Post
How many wires on the alternator plug on your 97? I didn't specifically research that but seems to me I read something about the voltage regulator being internal to the alternator on the older models. Regardless of the plug in or if the regulator is in the alternator, All that would be requires is to install an external voltage regulator which is pretty simple and get a new plug-in if its different. Its doable just a little more work. I am pretty sure the alternator bolts in but don't quote me on it
DOT-COM, there are 5 total connections on the back of the early TJ alternators (I have a '98). 2 field terminals, a ground terminal, a harness holdown nut and the wire to the battery. The early alternators are also externally regulated by the PCM.

I picked up a 136A alternator from a Grand Cherokee (same connections as mine) to replace my original 90A. In your opinion is the original 6AWG wire and 10AWG fusible link sufficient for 136A output?

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post #152 of 152 Old 05-17-2016, 10:17 PM
Knuckelhead
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2000 TJ Wrangler 
 
Join Date: Aug 2005
Location: Colorado
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Quote:
Originally Posted by SvtLdr View Post
DOT-COM, there are 5 total connections on the back of the early TJ alternators (I have a '98). 2 field terminals, a ground terminal, a harness holdown nut and the wire to the battery. The early alternators are also externally regulated by the PCM.

I picked up a 136A alternator from a Grand Cherokee (same connections as mine) to replace my original 90A. In your opinion is the original 6AWG wire and 10AWG fusible link sufficient for 136A output?
IIRC all TJ's use the voltage regulator in the PCM.
I installed the same 136 amp alternator in my 2000 Sport.
I'm using the OEM 10 AWG fusible link without any issues. Its been in use for 10+ years... HTH
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