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Old Jan 5, 2010 | 06:41 PM
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Franky Pentangeli's Avatar
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Default What is this?



Can anyone tell me what this is? Specifically the little green box and the cylinder below it. It is at the tail end of the instrument panel harness of a 1976 and lives behind the passenger side of the dash.

Your help is appreciated.

Frank
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Old Jan 5, 2010 | 07:08 PM
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Does it click when you use the turn signals?
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Old Jan 5, 2010 | 07:23 PM
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No - it's not the flasher. Its before the flasher on the harness. The green thing looks like a buzzer but I thought I accounted for all of them. The cylinder has power going to it from the same source that powers the gauges. It also has a ground and those two terminals are shorted causing the fuse to blow when I replace it. I guess I'll remove it, replace the fuse and see what doesn't work.
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Old Jan 5, 2010 | 07:26 PM
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There are wiring diagrams at this site that may help.
http://www.nrjvette.com/johdotukset/
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Old Jan 5, 2010 | 07:30 PM
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Thanks for the link. I've looked at every wiring diagram I could find and it's not on them. Maybe it's an option. There are quite a few things that don't make it to the diagrams. The green box doesn't bother me so I'll bury it. The cylinder I'll remove to see what stopped working. It kinda looks like a fluorescent light starter. Maybe I'll cut it open and see what's in it.

Thanks for the help...
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Old Jan 5, 2010 | 07:35 PM
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Funny - thats the same diagram I use. Check out the 76 diagram on page one, right side, 1/4 way down someone changed a wire color from "pink" to "Titty Pink". I wonder how many times that same diagram went around the world and no one noticed....
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Old Jan 5, 2010 | 07:37 PM
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That's too funny, I just noticed that too and was trying to figure out how to copy and post it here.
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Old Jan 5, 2010 | 07:39 PM
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Does that green box and cylinder look factory or add on? If you can post a picture of it, I'm sure someone here can idintify it.
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Old Jan 5, 2010 | 07:40 PM
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I think that might be your seat belt buzzer.
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Old Jan 5, 2010 | 08:46 PM
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Originally Posted by '75
Does that green box and cylinder look factory or add on? If you can post a picture of it, I'm sure someone here can idintify it.
Hey '75 - didn't the picture show up on my original post? I could see it - I assumed it was visible...
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Old Jan 5, 2010 | 08:49 PM
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The seatbelt buzzer makes sense. Maybe the cylinder is a relay that activates it. Thanks for the help gents (I'm assuming again). I'll get it eventually.
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Old Jan 5, 2010 | 09:43 PM
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No the pic didn't show up, this is how to post pics here. http://forums.corvetteforum.com/help...al-inside.html
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Old Jan 5, 2010 | 10:03 PM
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Thanks for the advice. Here is the pic. I hope it worked.
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Old Jan 6, 2010 | 09:39 AM
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it is the buzzer. it is the same on my '76
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Old Jan 6, 2010 | 03:12 PM
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I hope that's not a picture of it laying on the floor of your Vette.
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Old Jan 6, 2010 | 06:37 PM
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that is the seat belt buzzer and the round cylinder thing you mentiond is the timer for the buzzer.besides the turn signal flasher, i beleive those are the only components on the passenger side of the dash.also a white wire goes to the door ajar switch and the curtesy light.

Last edited by tjohn1008; Jan 6, 2010 at 06:49 PM.
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Old Jan 7, 2010 | 09:57 AM
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Originally Posted by white80driver
I hope that's not a picture of it laying on the floor of your Vette.
Thats what the floor looked like. Both pans were replaced since then.
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Old Jan 7, 2010 | 10:04 AM
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Originally Posted by tjohn1008
that is the seat belt buzzer and the round cylinder thing you mentiond is the timer for the buzzer.besides the turn signal flasher, i beleive those are the only components on the passenger side of the dash.also a white wire goes to the door ajar switch and the curtesy light.
Thanks tjohn. It all makes sense now. I opened up the timer and couldn't figure out what it was. Its a cool concept. They use a small heat coil wrapped around a piece of bi metal which makes a circuit with another piece of metal. Once the coil heats up the bi metal moves away from the other and breaks the contact. I love 35 year old technology - things were so much simpler then.
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