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Guest Message by DevFuse
 

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mystery wire on 85 wagon


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4 replies to this topic

#1 diluded000

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Posted 13 June 2005 - 10:21 AM

I have my SPFI (thought it was a carb until I saw the picture in the FSM) EA82 bolted back in the wagon after the transmission swap and am in the process of connecting all of the wires and hoses back up. I mostly labeled them with a paint marker and/or tape, but have at least one mystery wire so far.

If you are standing in front of the car facing the driver, you are facing some sort of round sensor that goes into the throttle body just below where the air cleaner cover attaches to the throttle body. There is red and black pair of wires coming from this sensor that go about 8 inches to the right. The red wire has about a small flat spade connector on it, and is just hanging loose. I looked hard for a place to connect it, but can't find anything. And I'm not positive this is a sensor, it could be a solenoid or actuator. If anybody has one they could look at, or knows off hand where this plugs in, it would be a huge help. I can get a picutre up if it would help, I just didn't want to get my greasy paws all over the digital camera last night.

This thing ran like it was dipped in shi. . . (ahem) honey, before I pulled the motor. I suspect this wire has been loose for some time, and might be why I had such bad cold performance.

thanks
James B

#2 MorganM

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Posted 13 June 2005 - 10:55 AM

I belive you are refering to the Idle Air Control Valve. It has a red/black and black wire coming off with a plastic black connector. There is another very similar red/black and black wire with similar plastic black connector; thats for your Injector in the Throttle Body. The mating connectors will be coming from your wire harness off to the 'right' near the battery. The connectors look interchanable but they are proprietary to one another; only goes together one way dotn force it :)

#3 diluded000

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Posted 13 June 2005 - 11:50 AM

Morgan,

Based on the idle sputtering and stalling, the Idle Air Control sounds like what this is. So I guess the red wire should be going into the same connector as the black wire? Mr Red wire is hanging loose right now, so I will see if there is an open space on the connector that the black wire runs into. Thanks for the info on this, I couldn't figgure out what that thing was from the FSM. Hopefully I can at least start the motor tonite, then get the different D/R shift linkage worked out.

- James B

#4 MorganM

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Posted 13 June 2005 - 12:29 PM

Yes two wires per connector that we are refering to here. Two for the IAC and two for the injector/TB. Two from the wire harnes to IAC and two from the wire harness to the injector/TB. Grand total of 8 wires and 4 connectors. Hopefully I'm not confusing you more but it sounds like you are getting it squared away.

#5 diluded000

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Posted 13 June 2005 - 02:17 PM

Yes two wires per connector that we are refering to here. Two for the IAC and two for the injector/TB. Two from the wire harnes to IAC and two from the wire harness to the injector/TB. Grand total of 8 wires and 4 connectors. Hopefully I'm not confusing you more but it sounds like you are getting it squared away.


Makes sense to me. I will get under the hood (figuratively since the hood is removed) after work tonite and let you know how it goes.

- James B




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