Wiring a YJ alternator without YJ wiring? - Jeep Wrangler Forum

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Old 06-21-2013, 08:14 AM   #1
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Wiring a YJ alternator without YJ wiring?

Anyone know how to hook up the alternator on a standard 4.0 when the black part for the wiring harness is missing that goes onto the back of the alternator? Or anyone know where to get this part?

My buddy ol' pal has his engine ready to go other than hooking the alternator up and the only places that will sell the wiring to it are insisting on selling the entire wiring harness

Is there a way to wire these up without the small black box that hooks up to the two small screws on the back of the alternator? Or what is that box and where do we get one?

Thanks a million!

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Old 06-21-2013, 08:48 AM   #2
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This is the part he is missing:





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Old 06-21-2013, 09:53 AM   #3
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Junkyard would be your best bet. I bet even a stripped down YJ would probably still have that piece.
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Old 01-03-2015, 01:37 AM   #4
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any idea what this wire is called? or what to do if this isnt available at a junkyard?
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Old 01-03-2015, 10:05 AM   #5
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I'd ask the junkyard to look at old Cherokees for that piece too. My Wrangler has a Cherokee alternator in it from the junkyard, and if I remember correctly, that piece was on the alternator they sold me. They just cut the wire right before that piece. I think they charged me 30 bux for the alternator; that wire should be five bucks or less I would imagine.
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