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Old 05-12-2013, 09:52 PM   #1
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Can you tell me what this is?

I was looking at these two plugs to the left of my battery in my 90 4.2L YJ. Anyone know what goes here? Am I missing anything? Any help would be great.


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Old 05-12-2013, 09:53 PM   #2
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I also have a 90 4.2 yj and mine is the exact same way.

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Old 05-13-2013, 12:57 AM   #3
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They are for testing things couldn't think of the dang word it's been a long day lol
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Old 05-13-2013, 05:54 AM   #4
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Yea those are probably for testing things at the factory
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Old 05-13-2013, 08:25 AM   #5
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pre-OBD1 diagnostic connector
they came off my 88 when the computer did
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Old 05-13-2013, 03:39 PM   #6
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Oh ok cool, thanks guys! The guy before me messed with a lot of the stuff, I'm having to go through it piece by piece.

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