C3 General General C3 Corvette Discussion not covered in Tech
Sponsored by:
Sponsored by:

this cant be right?

Thread Tools
 
Search this Thread
 
Old May 22, 2007 | 06:40 AM
  #1  
rabiddawg's Avatar
rabiddawg
Thread Starter
Racer
 
Joined: Jul 2006
Posts: 499
Likes: 0
From: Colebrook Connecticut
Default this cant be right?

driving down highway and punched it (1969 vette)
light doors flipped up and lights came on at about 80 mph?
never knew this happened before?
Reply
Old May 22, 2007 | 07:08 AM
  #2  
Jughead's Avatar
Jughead
Senior Member since 1492
Supporting Lifetime Gold
25 Year Member
Photogenic
Photoriffic
Liked
 
Joined: Aug 2000
Posts: 87,921
Likes: 156
From: Just because I'm paranoid doesn't mean people aren't out to get me...
St. Jude Donor '09
Default

I think that was an option in 1969.
Reply
Old May 22, 2007 | 07:51 AM
  #3  
SIXFOOTER's Avatar
SIXFOOTER
Le Mans Master
Supporting Lifetime Gold
10 Year Member
 
Joined: Jan 2006
Posts: 9,192
Likes: 27
From: Boca Raton Florida
Default

Checkout the vacuum check valve, make sure it works.
Reply
Old May 22, 2007 | 09:01 AM
  #4  
markbett's Avatar
markbett
Racer
Supporting Lifetime
10 Year Member
 
Joined: Sep 2005
Posts: 407
Likes: 0
From: Fort Washington PA
Default

That's what happens when you jump into hyper-drive
Reply
Old May 22, 2007 | 09:18 AM
  #5  
pws69's Avatar
pws69
Melting Slicks
20 Year Member
Conversation Starter
All Eyes On Me
Liked
 
Joined: Nov 2001
Posts: 2,668
Likes: 43
From: Eastern US XX
Default

Originally Posted by rabiddawg
driving down highway and punched it (1969 vette)
light doors flipped up and lights came on at about 80 mph?
never knew this happened before?
Popping up is not a surprise - mine does that occasionally - bulbs actually coming on could be a real issue if you didn't pull the H/L switch...
Reply
Old May 22, 2007 | 09:21 AM
  #6  
rabiddawg's Avatar
rabiddawg
Thread Starter
Racer
 
Joined: Jul 2006
Posts: 499
Likes: 0
From: Colebrook Connecticut
Default

once i slowed down under 80 the lights went off and light doors closed?
Reply
Old May 22, 2007 | 09:27 AM
  #7  
BB72's Avatar
BB72
Melting Slicks
15 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Aug 2006
Posts: 3,429
Likes: 20
From: Kingston Ontario
Default I would like to know

Originally Posted by rabiddawg
once i slowed down under 80 the lights went off and light doors closed?
How did you keep the car straight when you climbed out to see the lights were on?!?!? I'm assuming you have the fibre optic indicator. Is that right?
Reply
Old May 22, 2007 | 09:45 AM
  #8  
rabiddawg's Avatar
rabiddawg
Thread Starter
Racer
 
Joined: Jul 2006
Posts: 499
Likes: 0
From: Colebrook Connecticut
Default

yes I do but the instrument lights came on so that how I was able to tell the lights came on.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-1

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-2

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-3

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-4

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-5

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-6

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-7

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-8

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-9

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
Old May 22, 2007 | 11:49 AM
  #9  
rabiddawg's Avatar
rabiddawg
Thread Starter
Racer
 
Joined: Jul 2006
Posts: 499
Likes: 0
From: Colebrook Connecticut
Default

vacum check is good btw
Reply
Old May 22, 2007 | 01:12 PM
  #10  
Scottys78's Avatar
Scottys78
Le Mans Master
10 Year Member
 
Joined: Aug 2005
Posts: 7,009
Likes: 11
From: Philadelphia, sub burbs Wynnewood, PA
Default

Originally Posted by markbett
That's what happens when you jump into hyper-drive
Ya it’s for speed
Reply
Old May 22, 2007 | 01:19 PM
  #11  
jrzvette's Avatar
jrzvette
Safety Car
10 Year Member
 
Joined: Sep 2002
Posts: 4,971
Likes: 9
From: The reason time exists is so everything doesn't happen at once
Default

Originally Posted by BB72
How did you keep the car straight when you climbed out to see the lights were on?!?!?
Aim for a plate glass store front to see if there's any reflection.
Reply
Old May 22, 2007 | 01:28 PM
  #12  
Bangkok Dean's Avatar
Bangkok Dean
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2004
Posts: 8,295
Likes: 30
From: one night in Bangkok you are never lonely
Default

Originally Posted by jrzvette
Aim for a plate glass store front to see if there's any reflection.
At 80 mph, but make sure you have your safety belt on first.
Reply
Old May 22, 2007 | 02:23 PM
  #13  
rabiddawg's Avatar
rabiddawg
Thread Starter
Racer
 
Joined: Jul 2006
Posts: 499
Likes: 0
From: Colebrook Connecticut
Default

geez ask a question all I get is wise cracks?
Reply
Old May 22, 2007 | 03:10 PM
  #14  
Hammerhead Fred's Avatar
Hammerhead Fred
Melting Slicks
Active Streak: 30 Days
Liked
Loved
Community Favorite
 
Joined: Mar 2005
Posts: 2,093
Likes: 297
From: Midlothian VA
Default

Weak or bad vac check valve located in the large vac line coming off the rear of the intake. It looks like a pot metal line splitter (1-2 lines) but really functions as a check valve. Could also be a leaking vac can reservoir.
Reply
Old May 22, 2007 | 04:14 PM
  #15  
VCuomo's Avatar
VCuomo
Burning Brakes
10 Year Member
 
Joined: Jul 2006
Posts: 1,047
Likes: 12
From: SoCal
Default

Originally Posted by Hammerhead Fred
Weak or bad vac check valve located in the large vac line coming off the rear of the intake. It looks like a pot metal line splitter (1-2 lines) but really functions as a check valve. Could also be a leaking vac can reservoir.
If the dash lights and headlights also came on, as he said happened, then it's not a vacuum leak issue.

Sounds like your headlight switch came on somehow (vibration?). I think that's the only common spot that would (a) turn on the electrical power to the headlights and dash lights circuits and (b) signal the vacuum relays to open the headlight buckets.
Reply
Old May 22, 2007 | 07:57 PM
  #16  
rabiddawg's Avatar
rabiddawg
Thread Starter
Racer
 
Joined: Jul 2006
Posts: 499
Likes: 0
From: Colebrook Connecticut
Default

yeah vacum isnt the issue
but I did go above 80 mph on the way home from work and it did it again?lights popped up @80 and the lights came on again?
very weird if you ask me?
someone said maybe there was an aftermarket gizmo that the previous owner put in to do that cuz all the vacum and lights work properly otherwise.
I did notice a few little black boxes attached to the fuse panel that dont look to be original equiptment.
hmm maybe a james bond car lol.
Reply
Old May 22, 2007 | 11:11 PM
  #17  
Z-man's Avatar
Z-man
Race Director
25 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Nov 1999
Posts: 10,643
Likes: 8
From: Foxfield CO 1970 Convertible
Default

Originally Posted by rabiddawg
geez ask a question all I get is wise cracks?
Well, until this post, you hadn't asked a question.
Reply

Get notified of new replies

To this cant be right?

Old May 23, 2007 | 09:13 AM
  #18  
markbett's Avatar
markbett
Racer
Supporting Lifetime
10 Year Member
 
Joined: Sep 2005
Posts: 407
Likes: 0
From: Fort Washington PA
Default

Originally Posted by Z-man
Well, until this post, you hadn't asked a question.
Yeah he did.... "Can this be right?" Leaves a lot to the imagination.

Good luck with your lighting problem. One solution is to drive under 80 during the day and over 80 at night.
Reply
Old May 23, 2007 | 09:16 AM
  #19  
spedaleden's Avatar
spedaleden
Safety Car
20 Year Member
 
Joined: Nov 2004
Posts: 4,359
Likes: 57
From: Mundelein Illinois
Default

Originally Posted by SIXFOOTER
Checkout the vacuum check valve, make sure it works.



Maybe with all the excitment you forgot you pulled the check valve down
Reply
Old May 23, 2007 | 04:38 PM
  #20  
BB72's Avatar
BB72
Melting Slicks
15 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Aug 2006
Posts: 3,429
Likes: 20
From: Kingston Ontario
Default My vote is

A bad check valve...thats the 1 into 2 vacuum fitting coming from a engine manifold port.
Reply




All times are GMT -4. The time now is 06:03 PM.

story-0
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-1
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-2
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-3
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-4
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-5
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-6
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-7
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-8
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-9
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE