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Headlights stuck in the up position

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Old Jan 25, 2018 | 07:37 PM
  #1  
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Default Headlights stuck in the up position

I’m now three weeks into working on my, new to me, ‘79 and I just want the headlights to stay down, or go down.
This is my first experience owning a Vette and I’ve watched, searched, looked up enough on YouTube to know I’ve got some work ahead of me getting them to work but I have bigger issues to work on first. I’m not planning on driving it much but when I do I’d like the headlights to be down. Is there a simple way to just have them down?

Im obviously a newb here but any advice would be appreciated.

Thanks,
-TS
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Old Jan 25, 2018 | 08:29 PM
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Originally Posted by Tennessee Smith
I’m now three weeks into working on my, new to me, ‘79 and I just want the headlights to stay down, or go down.
This is my first experience owning a Vette and I’ve watched, searched, looked up enough on YouTube to know I’ve got some work ahead of me getting them to work but I have bigger issues to work on first. I’m not planning on driving it much but when I do I’d like the headlights to be down. Is there a simple way to just have them down?

Im obviously a newb here but any advice would be appreciated.

Thanks,
-TS
There is a pull down switch under the left side of of the steering column at the bottom of the lower left dash pad !

If your lights are off and you push it in you lites should go down ! It is an override so that if you have to replace the light it stays in the upright position!

Something that will help you to understand the whole system and how it works and how to trouble shoot all of its components is a site called www.corvettte101.com and a tool you can get at Harbor Freight called a mityvac !

If you push your pull down switch and the lites still won't go down you going to have to go thru the whole system one piece at a time to find out what is working and what isn't !

Good luck and let us know how it works out for you!

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Old Jan 25, 2018 | 08:40 PM
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Depending on if the vacuum system is connected and working correctly or not, you can lower them manually by reaching up under the bumper and pulling on the linkage (if the vac system is not working). There is a knee action linkage that should have about a 3/4" hole on the end that you can pull on. If the vac system is keeping them open and you can't fix it, or don't have the time right now, disconnect the vac lines and plug them then pull down manually as above.
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Old Jan 25, 2018 | 09:13 PM
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Thank you guys so much, I’ll try your suggestions and let you know how it worked out.

-TS
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Old Jan 25, 2018 | 09:44 PM
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For some reason or another the weblink isn’t working for me. Can someone post a picture of the knee action linkage so I know what to unplug then plug? I can find no switch to the left of my steering column. I know this must be annoying to you guys... thank you though

Last edited by Tennessee Smith; Jan 25, 2018 at 09:49 PM.
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Old Jan 25, 2018 | 10:21 PM
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Here's the correct link:

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

Locate #'s 9 & 10 and pull down there.



Last edited by Peterbuilt; Jan 25, 2018 at 10:22 PM.
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Old Jan 25, 2018 | 10:58 PM
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Thank you for the link, I really appreciate all of your help! I’ll let you know how this works out for me.

thanks again,
-TS
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Old Jan 26, 2018 | 01:05 AM
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Old Jan 26, 2018 | 07:47 AM
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Hi TS,
Pull forward and down on the 'pin' that the springs mount to... NOT on the warning switch.

Removing the hoses from the headlight actuator makes it a little easier on the diaphragm seal in the actuator when you move the headlight door manually.
Regards,
Alan

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Old Jan 26, 2018 | 07:52 AM
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If it has been sitting with the headlights up for a long time, first WD-40 up every single swivel point in there. They could very well be seized in the up position.
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Old Jan 26, 2018 | 09:01 AM
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Here's a pic from corvette101.com of the manual override switch!


Here's the rest of the system to trouble shoot the vacume system !
















Like DerekDerek said you also have to check and lubricate the mechanical parts ! Be care not to spray any bare exposed fiberglass !

First things first , lubricate !

Check mechanical condition, all parts present and accounted for !

Go thru each section of the troubleshooting info to determine why they won't work !

Be careful if you pull them down manually, it hurts if you fingers are in the wrong place !

Hope all this helps!

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Old Jan 28, 2018 | 08:32 AM
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Originally Posted by SPCL FX
Here's a pic from corvette101.com of the manual override switch!...
great post and saved for future inevitable vacuum problems
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Old Feb 4, 2018 | 12:32 PM
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The past week and a half has had me working on home projects so I was finally able to get the headlights lowered last night. I wasn’t able to track down the problem but I know now what to look for. Thanks to everyone for all of this information!

it helped tremendously.

-TS
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