what a journey this video was, I am so glad I watched it! My story is a little similar but I am having undervolting problems, not the overvolting like you were having. I am putting out about 9-10 volts on the gauge. My xj is a 1996 and I had the post style alternator on it and I switched to the 2 prong plug style like the later models have and I chose an alternator from a 2002 Durango. I am really hoping that this external regulator is going to solve my problems. I first thought that my new alternator was internally regulated but further inspection I saw that it is actually externally regulated so I am assuming that the computer is confused as to what is going on and I'm thinking I can just bypass the regulator in the pcm and add the same external regulator that you have. Let me know what you think!
I believe the externally regulated alternator started being used in the '91 or '92 model year. It seems those upgrading after that change occurred have had success. I saw one other TH-camr upgrade the alternator on his '89, which is the same as mine, but he didn't mention how he got it to regulate. I posted an update video just a few hours ago...this upgrade ultimately did not work, that video goes over the details. Consensus is that going from internal to external regulation was far more complicated than just adding an independent ex-regulator. That said, whereas your jeep already has an externally regulated system, the second ex-regulator I tried could work well for you. I say that because it came with a "field replacement module," which you may recall from the vid, the purpose of which is to trick your pcm into thinking it's still hooked up, when you have bypassed it using the independent ex-regulator, as I think you are planning to do. Instructions indicate it keeps the battery warning light off on your dash panel.
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2002 Durango same mt bracket
Hi dude 2002 has the same electronics hook up higher amp draw
Okay a 2002. What? Durango if so, which engine and what amper does the alternator? Thank you for the Intel
what a journey this video was, I am so glad I watched it! My story is a little similar but I am having undervolting problems, not the overvolting like you were having. I am putting out about 9-10 volts on the gauge. My xj is a 1996 and I had the post style alternator on it and I switched to the 2 prong plug style like the later models have and I chose an alternator from a 2002 Durango. I am really hoping that this external regulator is going to solve my problems. I first thought that my new alternator was internally regulated but further inspection I saw that it is actually externally regulated so I am assuming that the computer is confused as to what is going on and I'm thinking I can just bypass the regulator in the pcm and add the same external regulator that you have. Let me know what you think!
I believe the externally regulated alternator started being used in the '91 or '92 model year. It seems those upgrading after that change occurred have had success. I saw one other TH-camr upgrade the alternator on his '89, which is the same as mine, but he didn't mention how he got it to regulate. I posted an update video just a few hours ago...this upgrade ultimately did not work, that video goes over the details. Consensus is that going from internal to external regulation was far more complicated than just adding an independent ex-regulator. That said, whereas your jeep already has an externally regulated system, the second ex-regulator I tried could work well for you. I say that because it came with a "field replacement module," which you may recall from the vid, the purpose of which is to trick your pcm into thinking it's still hooked up, when you have bypassed it using the independent ex-regulator, as I think you are planning to do. Instructions indicate it keeps the battery warning light off on your dash panel.