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Topic: please HELP!! headlights

in Forum: C3 Body


please HELP!! headlights

Posted: 1/7/06 5:49pm Message 1 of 4
Former Member
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Savannah, GA - USA
Joined: 1/20/2005
Posts: 936
Vette(s): 1982CE,32,000 and counting. (fast!!) 1981 Vette, black on black. ZZ4 (quick!!)
I know some one can help.Get this,my headlight doors will not open.I have to lift them by hand to get them up.Now when it comes time to close them I push the light switch on the dash and they go down,no problem.Where should I be looking?and what should I be looking to buy.Could it be a vacume leak in one of the many hoses.It don't seem like the acuator is the problem.


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please HELP!! headlights

Posted: 1/7/06 6:12pm Message 2 of 4
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Syracuse, NY - USA
Joined: 8/1/2003
Posts: 693
Vette(s): ...
check out this quote from the interior forum and also check the body forum for more advice. I'd check the override switch under the dash to the right of the steering wheel first to make sure it isn't staying open or is unattached. then the vacum lines.
 [QUOTE=blu72]

Connect a vacuum gauge to the system just after the port from the intake. Measure, it should be 18 - 20 inches. If not, pinch off the vacuum lines suspect for leaking.....the vacuum will come back up and the miss will go away. Cylinders 6 & 8 get leaned out and she'll miss a little bit making it rough idle. A good diagram of the crazy vacuum system is very helpful and it'll make sense as you move along.

You'll go nuts just ripping pieces apart trying to find problems. The visual indications on you gauge will lead you down a path much easier to find the leak. It can be anything......I gave up and replaced most everything because "everything " leaked just a little bit causing a "big" leak and a miss. The biggest leak was the vacuum switches for the wiper door and the two seperate switches for the headlights on my 72. Even the replacements leaked - I sent one back for warranty replacement.....

Bruce

[/QUOTE] Aegisfang38724.7598726852


please HELP!! headlights

Posted: 1/7/06 7:09pm Message 3 of 4
Former Member
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Savannah, GA - USA
Joined: 1/20/2005
Posts: 936
Vette(s): 1982CE,32,000 and counting. (fast!!) 1981 Vette, black on black. ZZ4 (quick!!)
What way do you move the overide switch.I guess you want it in the off direction?


please HELP!! headlights

Posted: 1/7/06 8:09pm Message 4 of 4
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
Down is "OPEN", up is "CLOSE".
The over-ride is normally up all the time.
If BOTH lights come down when you turn the switch off, my guess would be your problem is in the light-switch itself. It's highly umlikely that both actuators, and both vac. relay valves took a dump at the same time. I'd start with the switch: check the vac. lines to it, and see if one fell off, or sumpthin. Then swap the top & bottom lines on the relay valves, just to see if now the lights would go up, but not down. That would verify all the vac. lines, actuators, and the relay valves, leaving the lightswitch as the culprit.


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