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Old 02-26-2012, 03:15 PM   #1
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Mystery wires

So on my '92 Excella 29' I have two wires that exit the floor of the trailer under the a-frame and just hang. I have tested them and can not find any current or continuity. They are yellow and red. They yellow wire is marked as resistant to oil and fuel? I decided to pull the front interior panel to see where they went. Thea attach to two other wires Yellow to Light blue with white stripe and the red to Dark blue with red stripe. See the photos.

Also have a larger gauge pink wire that is bundled with no terminal end just behind the univolt. In looking behind the inner panel it looks like this wire was not in the original bundle (as seen in the photo)

Any ideas or suggestions as to where these wires may run would be helpful. I guess as long as things are working I just leave them alone, I do wonder what should be working that I just have not discovered yet.

Thanks to all who have done complete restorations and may have the answers.

Jon
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Old 02-26-2012, 03:16 PM   #2
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Thought I would share a picture of the schematic that I have. It has been no help to me but to someone else perhaps.

Thanks again.
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Old 02-26-2012, 03:47 PM   #3
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This is a wild guess, but do you have a break away switch on your trailer? If not, could those wires have gone to it (now missing).
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Old 02-26-2012, 04:02 PM   #4
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Jon,

Check the wires inside that the mystery wires are attached to for power. Check against each other and against the frame in case one of the mystery wires is not a ground. Then trace the wires the mystery wires are attached to back to their source until you find them. There may be a dead fuse, or they may end somewhere and not be attached to anything.

It is possible the previous owner used them for some reason temporarily, fixed whatever it was, and left them there in case he needed them. Or maybe he had something extra attached to them and kept it when he sold the vehicle.

Gene
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Old 02-26-2012, 04:11 PM   #5
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Thanks for the suggestions.
I do have working breakaway switch and can trace the wires from that fine.

I have checked and do not find any power or continuity between the wires or with either and a common ground. The wire connectors as seen in the picture appear to be original, not aftermarket.

I was trying to see where they lead but do not want to pull all the interior skins to trace them. Not doing that kind of renovation. The heavy pink wire is the same type and style wire that is in the bundle and connects to the fuse box. Was wondering if this could be a sleeper wire for future solar. But where does it go is the question. Keep the suggestions coming. Surely someone knows the color scheme for this thing

Thanks
Jon
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Old 02-26-2012, 04:11 PM   #6
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Do you have a battery in the trailer? If not you may not see a voltage reading on these wires. Is there a break away switch mounted on the tongue? Is there an electric tongue jack? Perhaps there was and it has been removed.
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Old 02-26-2012, 04:15 PM   #7
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Yep battery is installed and all things that I know of work. Power jack is connected by heavier wire that is gray.
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Old 02-26-2012, 05:15 PM   #8
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Might be for your axle brakes... If while hooked up (electrical wise) to the TV, you have someone press the brakes, is one color of wire hot?
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Old 02-26-2012, 07:43 PM   #9
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Forum blip made my post disappear. Bummer.

Those wires are too small to be solar wires.

Look under trailer and you'll see wires coming from each brake assembly in the back. Front and rear axles are connected to each other and wires that go to the umbilical. Have someone step on the brake pedal and listen for the hum of the magnets at each wheel.

I had some brake work done at JC and some miles later found brake wires hanging down and disconnected.

Gene
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Old 02-26-2012, 07:48 PM   #10
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Mystery wires

Just a thought, is it possible that the original owner might have had the dealer install the Tele-Tec flat detection system, and the refrigerator cut-off switch that was offered in the 1985-1988 Airstreams?

Kevin
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Old 02-27-2012, 05:59 AM   #11
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Breaks work fine. I can trace these wires from the plug to TV. Have not heard about the leak detection option nor the fridg shut off. Just had the refrigerator out and there were only two wires (much heavier) a maroon hot and a white common.

Were there other options that could be possible? Was wondering if I could call the mothership or better yet if Andy at inland has experienced this.

Thanks for any suggestions.
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Old 02-27-2012, 08:34 AM   #12
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Does anyone have a complete color scheme for the wiring in the '92 trailers? I have been trying to use the one in the manual and can not decipher all the color combinations. It looks from the print version (posted above) that the colors are simple one color for the most part. Many of these wires are two color. Any electricians who can help with a code key?
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Old 02-27-2012, 08:48 AM   #13
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Hello All. On my 1988 Excella which had the original 9 pin connector, the 2 extra wires was for the refer cutoff and the flat detector and on my 88 neither were connected.
Good luck and happy camping nm1oqrz
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Old 02-27-2012, 01:19 PM   #14
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Flat Detector?

Quote:
Originally Posted by nm1oqrz View Post
Hello All. On my 1988 Excella which had the original 9 pin connector, the 2 extra wires was for the refer cutoff and the flat detector and on my 88 neither were connected.
Good luck and happy camping nm1oqrz
nm1oqrz
Thanks, I am curious if you know anymore about the flat detector. Where might the other ends of the wire be, and how did it work. I have not seen or heard of this feature before. Any help would be appreciated. Short of pulling down the interior skins and tracing the bundle of wires along the ridge of the trailer, I am at a loss as to where they may go.

Also do you know what the purpose of the refer cut of was? Mine has a switch on the top of the fridge for on/off but not a remote switch.

Thanks for sparking my curiosity and any potential answers.
Jon
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