Unknown solenoid wire help 89 2.3

Has no other end so i cant see where it goes, previous owner maybe. It says "fuse 14 g". Google has been no help.
 

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Thanks for your response! Mostly everything works, It don't have rear defrost connected it seems on the hatch window nor is the factory radio installed but an after market. Now the unknown solenoid wire was taped off before I got it but I really wanted to know if that's why my car will idle high till I slapp the gas, or when I come to a stop it shows check engine Light and flickers then disappears when I gas it. Again thanks for your help.

One other thing is I had the stock engine removed because of no compression they said, and a Jensen engine put in, and I never looked under the hood as I do now and I can say I have to fix a few things myself
 
I believe that is not factory automotive wire, take it off, it's going to be 'hot' all the time. I bet it either has a crimp connector or nothing at all.
DISCLAIMER: JMO and in no way any actual mechanical experience.
 
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Other thing you need to do is check for codes. You said the check engine light (CEL) has come on so there should be codes.

 
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I believe that is not factory automotive wire, take it off, it's going to be 'hot' all the time. I bet it either has a crimp connector or nothing at all.
DISCLAIMER: JMO and in no way any actual mechanical experience.
It might just be a hot wire, very unsure I don't normally deal with this stuff.haha but tomorrow I will take apart the solenoid again because If I remembered that wire was connected to another on and linked up together to that post, I will take a picture and report back.
 
Other thing you need to do is check for codes. You said the check engine light (CEL) has come on so there should be codes.

Yes I actually went ahead and bought the scanner, I got codes 31, 83, then 10, and then 31 again I just tested it earlier.
 
Yes it does, the sensor on the EGR looks new and white, the vacuum lines are routed correctly I know from googling pictures a thousand times haha. I checked the pcv valve too and it didn't seem clogged with oil and I can shake it a little, my understanding that it's good right? And my pcv valve looks like that silver one.

Also I've been trying to find vacuum leaks by listening to the car, I don't have a smoke machine. But if plug the top hole under that gray cap for the EGR solenoid the car shuts off so will that indicate I fixed the leaks?

Are there anymore valves I'm missing?. Again thanks for helping me!
 

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I believe that is not factory automotive wire, take it off, it's going to be 'hot' all the time. I bet it either has a crimp connector or nothing at all.
DISCLAIMER: JMO and in no way any actual mechanical experience.
Yeah it looks like it's part of silver box set up, it actually has a couple other wires connected to separate into more. Do you think someone did this in the past or it looks factory
 

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