C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Aug 8, 2006 | 06:09 PM
  #1  
1972's Avatar
1972
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From: Hemet Ca
Default Headlights

Having problem with the headlamps coming up, new actuators before I purchased, they were a little slow but now do not open at all.
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Old Aug 9, 2006 | 07:46 AM
  #2  
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From: Jacksonville FL
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this guy has a great trouble shooting section for the head lights.

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

good luck.
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Old Aug 9, 2006 | 10:40 AM
  #3  
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jdp6000
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From: Aurora Ontario
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Originally Posted by 1972
Having problem with the headlamps coming up, new actuators before I purchased, they were a little slow but now do not open at all.
Any chance you hit the bypass switch with your knee? Its below the steering column.

It could be a vacuum leak. Check at the vacuum supply...near the rear of the intake manifold on the driver side. Hoses connected? Follow the hoses from there and check for leaks. they should go to the switch inside the car and from there to the distribution valve between the 2 actuators.

Jim
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Old Aug 11, 2006 | 07:07 PM
  #4  
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1972
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Thanks I will check I also realized that on page 3 someone else has a print out of system.
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Old Aug 12, 2006 | 03:43 AM
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From: Kennesaw GA
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Let us know what you find. I just put all new hoses on my '69 tonight (this morning 3:38am here!) My vacuum cannister had a leak, so I bypassed it and although they are a bit slow coming up, they do work.
BTW, a MightyVac with a guage is the best way to troubleshoot the vacuum system.
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