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Lucky2balive 05-12-2013 09:52 PM

Can you tell me what this is?
2 Attachment(s)
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. :D

Attachment 248487

Attachment 248488

JeepYJBoy 05-12-2013 09:53 PM

I also have a 90 4.2 yj and mine is the exact same way.

wrangleryj90 05-13-2013 12:57 AM

They are for testing things couldn't think of the dang word it's been a long day lol

Abomination93 05-13-2013 05:54 AM

Yea those are probably for testing things at the factory

Timberwolf 05-13-2013 08:25 AM

pre-OBD1 diagnostic connector
they came off my 88 when the computer did

Lucky2balive 05-13-2013 03:39 PM

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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