1969 RS Headlight Door Help Needed - Team Camaro Tech
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post #1 of 9 (permalink) Old Nov 16th, 09, 11:12 AM Thread Starter
Rodney
 
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1969 RS Headlight Door Help Needed

Fellow enthusiasts, I can't seem to get the RS headlight doors working properly on my 69. Is there a way to properly get the underhood vac switch properly in time with the door position? I can manipulate the override on the switch between the 2 positions, and the doors will open and close. Maybe the switch (either underhood or the light switch) is bad? All of the hoses have been replaced, and the vac switch was replaced a year or so ago. The light switch is probably original. Any advice is appreciated.
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post #2 of 9 (permalink) Old Nov 16th, 09, 12:27 PM
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Mark
 
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Re: 1969 RS Headlight Door Help Needed

What are they doing, opening when they are supposed to be closed? Your vacuum lines are probably on backwards at the switch under the dash. You should have vacuum to the relay valve on the vacuum tank when the headlights are off.

Mark Canning
1969 Indy Pace Car
350/300HP RPO Z11

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post #3 of 9 (permalink) Old Nov 16th, 09, 12:44 PM Thread Starter
Rodney
 
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Re: 1969 RS Headlight Door Help Needed

Basically, they're not doing anything unless I work the vac switch manually, and they'll open and close all day long that way. I assume that the underhood vac switch (the override part) should remain in the "Normal" position under "normal" circumstances (hence the name I guess)? Based upon the appearance, it looks like it is supposed to "lock" in this position. I never considered checking the headlight switch. Good chance I crossed them up putting on new hoses. I'll check that out. After a cam change to generate decent vacuum, this is the first time I've tried to get the lights going. Frustrating.... Thanks for the help.

Rodney Chastain
1969 LM1 RS and
1969 SS396
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post #4 of 9 (permalink) Old Nov 16th, 09, 01:27 PM
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Fred
 
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Re: 1969 RS Headlight Door Help Needed

You are going to be fine Rodney. If things work well from the under hood switch, that's 99% of the battle. If reversing the hoses at the light switch doesn't work, replace it. Trust me.

One owner 69 Camaro,(yep, bought it new
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post #5 of 9 (permalink) Old Nov 16th, 09, 03:45 PM Thread Starter
Rodney
 
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Re: 1969 RS Headlight Door Help Needed

Awesome. It's always the one thing you haven't replaced.....
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post #6 of 9 (permalink) Old Nov 16th, 09, 08:42 PM
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Dave
 
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Re: 1969 RS Headlight Door Help Needed

Sounds like the headlight switch under the dash. I've had a brand new OER switch be bad right out of the box.

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post #7 of 9 (permalink) Old Nov 17th, 09, 07:51 AM
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Jim
 
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Re: 1969 RS Headlight Door Help Needed

join the hoses that go to the light switch up to each other, tightly, that puts full vacuum thru them bypassing the switch and the doors should work. If they do, the switch is faulty.

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post #8 of 9 (permalink) Old Nov 20th, 09, 06:02 AM Thread Starter
Rodney
 
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Re: 1969 RS Headlight Door Help Needed

Got a new switch, and I think it's bad too. When I think it's hooked up properly, the switch itself sounds like a giant vacuum leak. Sometimes one door will open, sometimes the other, sometimes neither.... The search continues.....
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post #9 of 9 (permalink) Old Nov 20th, 09, 08:17 AM
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Mark
 
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Re: 1969 RS Headlight Door Help Needed

If it sounds like a giant vacuum leak its hooked up backwards.

The vacuum source (engine side) goes closest to the driver, the line to the vaccum tank goes closest to the firewall. Pull the vacuum line off at the relay valve on the tank. With the headlight switch off there should be vacuum there, with the headlight switch on vacuum should go away.

Also make sure the check valve between the engine and the vacuum tank is in the right way, otherwise you will have no vacuum to the tank itself and the headlights won't do anything even if you cycle the manual override.

Mark Canning
1969 Indy Pace Car
350/300HP RPO Z11

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