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Jeep Wrangler YJ
YJ General Discussion
Big7 cable kit install question
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<blockquote data-quote="machoheadgames" data-source="post: 440713" data-attributes="member: 18789"><p>Old post, but people reviving this thread led me to comment. I think your tracing back to the PCM is incorrect. The alternator power cable is black and gray and switches to red in the harness. It comes out to a plug in connector on the right fender by the PDC. The other side of that connector remains an 8 Gauge and then somwhere between there and the power distribution center near the battery it splits into 2 10 Ga wires and goes to Fuses 2 and 6 in the PDC.</p><p></p><p>The only ties the alternator has to the PCM are the two operational wires: the field and the exciter wires.</p><p></p><p>The ground for the alternator is a short cable that ends at a bolt in the engine block by the engine mount bracket.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 440713, member: 18789"] Old post, but people reviving this thread led me to comment. I think your tracing back to the PCM is incorrect. The alternator power cable is black and gray and switches to red in the harness. It comes out to a plug in connector on the right fender by the PDC. The other side of that connector remains an 8 Gauge and then somwhere between there and the power distribution center near the battery it splits into 2 10 Ga wires and goes to Fuses 2 and 6 in the PDC. The only ties the alternator has to the PCM are the two operational wires: the field and the exciter wires. The ground for the alternator is a short cable that ends at a bolt in the engine block by the engine mount bracket. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Big7 cable kit install question
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