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What is it? |
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billd 
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Forum Administrator Joined: Jun/27/2007 Location: Iowa Status: Offline Points: 30894 |
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 Topic: What is it?Posted: Aug/03/2007 at 2:57pm |
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1982 SX/4 with 258 and stick. Optional factory installed fog lights, and rally/console gauges (which all work now except for low oil pressure, so it's not for the gauges)
I can't find it on my wiring diagrams anywhere and it's pretty much in the middle of the harness which I don't want to fully unwrap and disassemble.
I could put my tracer on it and tone it out, but with the wires so tight together, that might not be accurate.
It's red, about 16 gauge, no larger, and has a white tracer.
It was "burned". The harness wrap had a burned looking spot, a little melted. The harness still had original wrapping, but this looked like it had a piece of gray tape around whatever it once was. Tan granuals were in it - you can see them in the pics - when I pulled the gray tape that tan stuff flaked out all over. That's what's on the hoses and valve cover, like old flaky foam.
Was this a link or fuse of some sort? What's that wire for?
The blue hose you see is my transmission pressure test gauge hose.
You might see where it "scorched" or marked a white or grey wire that was next to it in the harness (no harm done)
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kirkwood
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Charter Member Joined: Jun/28/2007 Location: Fort Wayne, IN Status: Offline Points: 6567 |
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Posted: Aug/03/2007 at 3:22pm |
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I am pretty sure that is a factory resistance wire that has to do with the ignition box. I recall a wire (maybe that one?) having that gooey gray tape on the wagon when I was creating the frankenstein wiring harness for the 4.0.
The 80 TSM shows it as resistance wire and splicing with the yellow wire of the two prong motorcraft plug on one end, and the starter side of the solenoid on the other. This is 80 of course, and for example I have found several differences between 79 and 80 wiring diagrams I wouldn't have expected, so this could be wrong for your car. |
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72Javelin
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Joined: Jul/01/2007 Location: United States Status: Offline Points: 2466 |
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Posted: Aug/03/2007 at 11:12pm |
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For some reason, AMC was fond of using that gooey gray tape on electrical splices. I've run across it many times.
I suspect Ian is right about this being the resistance wire. Is it a really soft kind of wire with sort of soft spongy type insulation? If so, it is indeed the resistance wire, as the resistance stuff has a different "feel" than does regular wire. |
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Jeff Reeves
Auburn, GA AMO Technical Editor Currently AMC-less after 30+ years |
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IowaEagle
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Posted: Aug/04/2007 at 12:19am |
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I located in my schematics some R/W in 14 ga. One is for
the sole-vac and goes to the solenoid trio and another one was ignition
related. Neither one was marked as a fusible link. I have
not studied the entire diagram closely yet to detect others as I
was going cross eyed. This is the schematic I hope to get into
the Eaglepedia this week end.
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billd
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Posted: Aug/04/2007 at 12:33am |
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This is apparently not the ignition resistance wire - that's still hot - and those are indeed more "flexible" and "softer". Both sides feel like "standard" wire insulation.
This seems to be standard wire, both sides. Interestingly enough, note the length. If this were put back in the bundle, those little solid wires on the end of each wire would overlap, otherwise, if placed end-to-end, the wire would be too long to fit back neatly, and as I recall when pulling that duct tape
 off, they overlapped. However I can't say for sure as I had some issue getting it all off and was in a hurry, was already quitting for the night when I found the melt on the wrap but refused to stop until I had it unwrapped.It's almost like a fused splice. ?
I WILL double- check the ignition resistance wire to see if it is indeed still hot and those weren't touching when I had my light on it.
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IowaEagle
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Posted: Aug/04/2007 at 1:27am |
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I did find a R/W 18 ga wire going to the clock in the rallay guage
package. Since it seems like it might be an add on wire, could
this be it? Does the clock work?
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billd
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Posted: Aug/04/2007 at 2:49am |
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The clock was the only part of the gauges that worked when I got it, and still works.
I do now believe it's going to that trio of solenoids on the inner right fender. There's a red with tracer going to that square 4-spade connector there that looks like the same wire. It's close to it, and heading the correct direction. So if that's it, I'll cap it off and wrap it back up.
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poormansMACHINE
AMC Addicted 
Charter Member Joined: Jun/28/2007 Location: Shoemaker-Levy9 Status: Offline Points: 12302 |
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Posted: Aug/04/2007 at 3:02am |
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red with a white tracer seems to be a popular wire in an Eagle.
Does it have an intake plenum heater? Could also be for the relay. |
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IowaEagle
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Posted: Aug/04/2007 at 3:57am |
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I have the engine schematics in the Eaglepedia Bill. They are for
an '88 but, it may be of help. They are in the 88 large wiring
schematics section.
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billd
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Posted: Aug/04/2007 at 4:01am |
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I've come in to grab my meter to trace it out. Yes, it's a heated intake.
The other popular wire color in Eagles is BLACK!
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