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Jeep Wrangler YJ
YJ General Discussion
109A Alternator Upgrade Problems
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<blockquote data-quote="erikmuntz" data-source="post: 426377" data-attributes="member: 18887"><p>All,</p><p></p><p>Swapped a 59A to 109A alternator today. In theory should charge much quicker. The problem is that it is barely charging at all; and today I lost power when driving and had to do a quick battery change to get home. I brought an extra battery out cause I thought something like that would happen.</p><p></p><p>I have the three wires coming from the alternator, brown w/ red, red from 10mm bolt. I also have a ground wire going from the grounding stud on the back going to the negative of the battery. Checked all connections and they seem fine. I'm going to pick up new red/brown connector tomorrow because that ones a little corroded but I don't think that's it. </p><p></p><p>The nut that holds the red wire to the battery is touching a piece of the frame just slightly, would that prevent it from charging?</p><p></p><p>When I reconnected the battery this afternoon after doing the swap I got a pretty good spark and something burned, but I checked all connections for everything and they all check out.</p><p></p><p>Any ideas and help would be much appreciated. Thanks!!</p><p></p><p>Erik</p></blockquote><p></p>
[QUOTE="erikmuntz, post: 426377, member: 18887"] All, Swapped a 59A to 109A alternator today. In theory should charge much quicker. The problem is that it is barely charging at all; and today I lost power when driving and had to do a quick battery change to get home. I brought an extra battery out cause I thought something like that would happen. I have the three wires coming from the alternator, brown w/ red, red from 10mm bolt. I also have a ground wire going from the grounding stud on the back going to the negative of the battery. Checked all connections and they seem fine. I'm going to pick up new red/brown connector tomorrow because that ones a little corroded but I don't think that's it. The nut that holds the red wire to the battery is touching a piece of the frame just slightly, would that prevent it from charging? When I reconnected the battery this afternoon after doing the swap I got a pretty good spark and something burned, but I checked all connections for everything and they all check out. Any ideas and help would be much appreciated. Thanks!! Erik [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
109A Alternator Upgrade Problems
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