C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Nov 30, 2004 | 12:13 PM
  #1  
76mike's Avatar
76mike
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From: Sunnyvale CA
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Headlights. Mine won't go down. Something about vacuum hoses??? I don't know looks like some tubes are just not connected. Any help? anyone seen this before?
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Old Nov 30, 2004 | 12:32 PM
  #2  
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From: Chattanooga TN
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Get a vacuum diagram from any of the catalogs and figure what is disconnected. There are relay valves near the actuators that work together with a vacuum signal to make the lights go up and down.
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Old Nov 30, 2004 | 01:25 PM
  #3  
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72GACRZR
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From: Marietta Ga.
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Fail safe mode is up, so you have a leak. Get the above mentioned diagram and start checking components. A search on here will bring numerous past threads, and here's a site to help you get started.

http://vetteworks.tripod.com/techdocuments/Vaccum.html

and here's another


http://www.corvette-101.com/


Good luck.

Last edited by 72GACRZR; Nov 30, 2004 at 01:27 PM.
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Old Nov 30, 2004 | 01:38 PM
  #4  
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Originally Posted by 76mike
anyone seen this before?
Yeah there might be a few members here who have seen this one.

The above guides are good ones. You can PM me if you'd like. I rebuilt mine from the ground up. The vacuum system is really quite simple.
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