What do these plug into? Help
Senior User
Joined: Jan 2012
Posts: 472
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From: Somewhere in the universe
Not sure the colors of your wires but I looked for a while and this is the only thing similar I could find.
My truck is 100% unmolested under the hood so the location of everything is where the factory intended it to be.
If this isn't it just let me know and I'll look around some more.
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Elder User
Joined: Feb 2015
Posts: 510
Likes: 1
Not sure the colors of your wires but I looked for a while and this is the only thing similar I could find.
My truck is 100% unmolested under the hood so the location of everything is where the factory intended it to be.
If this isn't it just let me know and I'll look around some more.
Senior User
Joined: Jan 2012
Posts: 472
Likes: 5
From: Somewhere in the universe
You can see in this pick how my O2 sensor is routed and mounted to the front of the passenger side valve cover.
I went back out and snooped around a little bit more but couldn't find the other plug that's in question. I even felt around behind the intake and was only able to feel vac lines.
While I was at it, I snapped some more pics to post so you could look at them to see if anything else catches your eye.
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Elder User
Joined: Feb 2015
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Your awesome man thanks for the pictures and for the peace of mind on that back plug. Nothing else stands out to me. I wonder why Ford moved the location of the o2 sensor to the front of the valve cover. Just more clutter
Senior User
Joined: Jan 2012
Posts: 472
Likes: 5
From: Somewhere in the universe
I'm wondering if it wasn't originally like mine but in the process of taking the motor out and putting it back in it ended up there.
Seems like a lot of the time when guys yank the motor out and put them back in the wire and vac routing is an after thought.
Seems like a lot of the time when guys yank the motor out and put them back in the wire and vac routing is an after thought.
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Elder User
Joined: Feb 2015
Posts: 510
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the connector in question is before the MAP sensor. Then after the MAP sensor it's the o2 sensor. Think I'm ganna try to find another wiring harness and compare the 88 one to a 92
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Elder User
Joined: Feb 2015
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after some research I still can't find anything only for my wiring harness but I do know that our harnesses were different between the years. Dammit
Senior User
Joined: Jan 2012
Posts: 472
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From: Somewhere in the universe
I would think your good if you don't have anymore codes and your power is back. If your as picky as I am however, I'd be putting that harness in its proper spot. I know, easier said than done.
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Elder User
Joined: Feb 2015
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I'm the same way, It's bugging the hell outta me not knowing what's that's for much less that I have an unplugged comnector. I found a bunch of diagrams but none for a 87-91, Only 92 and up. Hopefully someone with a 88 comes and looks at this as well
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Elder User
Joined: Feb 2015
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now that you say that I have a custom that's pretty basic. My xlt had cruise control and all that stuff but this one doesn't have anything so I guess that could be the reason. And actually now that I think about it I don't even have a lamp/light under the hood like my xlt did