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Fiber optic question

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Old Nov 12, 2004 | 02:51 AM
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Default Fiber optic question

I was under the dash of my 68 looking at the hood release and noticed somethign I had never seen a bunch of fiber optics coming through the floor board unfortunatley they were all cut in half I feel so bad! My question being Can you splice fiber optics?
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Old Nov 12, 2004 | 04:36 AM
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Originally Posted by Love My 72 and 77
I was under the dash of my 68 looking at the hood release and noticed somethign I had never seen a bunch of fiber optics coming through the floor board unfortunatley they were all cut in half I feel so bad! My question being Can you splice fiber optics?
Seems like there was a fiber optics repair article in one of the Corvette magazines in the past year but can't recall off hand. You could try going to an electronics store and getting some shrink wrap tubing that will slide over the fiber optic cable. You may be able to get it tight enough that you will not have to use the heat to tighten the shrink wrap around the optic cable but if you do I would do it lightly with say a soldering iron that you can control heat source.

Others with the fiber optics may have some better suggestions...next to pulling console apart and replacing entire cable.
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Old Nov 12, 2004 | 06:03 AM
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You can splice then together. I did a paper in college on splicing fiber optics to calculate the effects of signal loss through various splices. To get the least amout of loss they need to be perfectly parallel and polished. Since ours are plastic it will be hard to get them perfectly polished. You will have some loss no matter what unless you change the entire run. Some of the vendors have splice kits but you could find some plastic fiber optics cable locally and replace the entire run. These cables originally were part of the forward wiring harness so if you don't get individual cables you have to replace the complete harness. They workd great at night but you have a hard time seeing the brake light indicators during the day. I like the system myself. Some of mine were not working when I bought my car but I found that the back of the headlights just needed to be cleaned and my tailight FO lenses had paint on them.
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Old Nov 12, 2004 | 07:03 AM
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This may help.

http://store.yahoo.com/fiberopticcables/fa.html
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Old Nov 12, 2004 | 07:59 AM
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I have been thru the wringer on FO. Dont waste your time splicing. Perfectly done, you will still loose 50% of light transmittal, on a system that diesnt transmit light very well to begin with

Either get new cables from a vette vendor (expensive), or cruise the net. I found 60' for $11.00 over the net....
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Old Nov 12, 2004 | 08:36 AM
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Originally Posted by Love My 72 and 77
I was under the dash of my 68 looking at the hood release and noticed somethign I had never seen a bunch of fiber optics coming through the floor board unfortunatley they were all cut in half I feel so bad! My question being Can you splice fiber optics?
Clean the ends and square off the cuts (so the two pieces contact as much as possible when they touch) then use heat shrink tubing (as small as you can get on so it will be very tight when shrunk) to join the two ends. Make sure the ends are in contact with each other when you shrink the tubing. This will work, but as others have said, you will probably have some degree of degradation of light transmission.
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Old Nov 12, 2004 | 09:11 AM
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http://www.watsons-streetworks.com/fiberoptic.html
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