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My first C2 technical question

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Old Oct 25, 2017 | 07:05 AM
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Default My first C2 technical question

Am I correct in assuming that the headlight switch will not cause the headlights to rotate to the "open" position?

In order to get the headlights rotated, you have to use the headlight override switch (I guess that is what it is called).

So, turning on and rotating the headlights is a two step (or two switch) process?

Yes, no?
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Old Oct 25, 2017 | 07:10 AM
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Yes you have to use the roll over switch to rotate the buckets up and down. And you must hold the switch until they are open and closed. And you can turn the lights on with the buckets down
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Old Oct 25, 2017 | 07:10 AM
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Two different switches. The switch that rolls the headlights open is under the left side of the dash, clearly marked.
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Old Oct 25, 2017 | 07:14 AM
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Don't lay on that headlight bucket rollover switch any longer than you have to - there are no electrical stops in the mechanism, only mechanical.

As to operation, I know you bought a recently restored car.

If someone installed the popular Detroit Speed electronic headlight conversion kit the headlight pull switch operates EVERYthing...the headlight bucket rollover switch is superfluous.

Last edited by Frankie the Fink; Oct 25, 2017 at 07:53 AM.
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Old Oct 25, 2017 | 07:14 AM
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Yup, two switch operation with no interlocks.

You can turn on the headlights in any position, inducing facing into the engine compartment or towards the ground.

However, there is an idiot light on your dashboard that shows you if your headlights are on with the buckets not rolled all the way up. Check it out to see if it works.

Confession: I have left my headlights on more than once - every car I've owned over the last few decades has a lights left on warning chime or auto off/on. With these cars, it's a free reminder that nothing is nanny-fide.
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Old Oct 25, 2017 | 07:17 AM
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jv04
If you plan to drive one regularly, you'd do well to buy a repro owner's manual. A lot has changed about how cars are operated since the 1960s.
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Old Oct 25, 2017 | 11:01 AM
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Originally Posted by kellsdad
jv04
If you plan to drive one regularly, you'd do well to buy a repro owner's manual. A lot has changed about how cars are operated since the 1960s.
Do you mean to find out what to do when that headlight switch quits working and the sun is going down?
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Old Oct 25, 2017 | 11:14 AM
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Originally Posted by kellsdad
jv04
If you plan to drive one regularly, you'd do well to buy a repro owner's manual. A lot has changed about how cars are operated since the 1960s.
The car comes with an owner's manual, and a nice new car cover.
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Old Oct 25, 2017 | 11:22 AM
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I believe MikeM was referencing the procedure for manually opening the headlight doors when they don't open conventionally. I was thinking more about things like the ignition key with its five positions and the ability to remove it while operating. And the front parking lights that turn off when the headlights are on.

Last edited by kellsdad; Oct 25, 2017 at 11:24 AM.
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Old Oct 25, 2017 | 11:28 AM
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I did the Detroit Speed kit on my 65. Absolutely love it. Not original obviously so if your 63 is all original numbers matching, I would not change it, but it is a great kit and easy to install.
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Old Oct 25, 2017 | 03:41 PM
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Also, for what it's worth, on some cars the buckets don't open and close exactly the same time. Mine don't and haven't since I restored my car 20 years ago with everything new including motors, switches, wiring.

If I remember correctly the right side opens and closes about 1/2 second faster than the left. Seems I remember reading here that others work similar that being out of time just a hair. Something about the extra length of the left side wire harness causing it to be slower possibly. No big deal and doesn't bother me.
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Old Oct 25, 2017 | 03:48 PM
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Originally Posted by J.Moore
Also, for what it's worth, on some cars the buckets don't open and close exactly the same time. Mine don't and haven't since I restored my car 20 years ago with everything new including motors, switches, wiring.

If I remember correctly the right side opens and closes about 1/2 second faster than the left. Seems I remember reading here that others work similar that being out of time just a hair. Something about the extra length of the left side wire harness causing it to be slower possibly. No big deal and doesn't bother me.
The disparity in timing is due to a number of things besides wiring and is normal if its not excessive. The NCRS judging guides have specific guidelines on how 'close' the bucket timing should be.

500 milliseconds (as noted) is damned close to perfect.

Last edited by Frankie the Fink; Oct 25, 2017 at 03:49 PM.
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Old Oct 25, 2017 | 04:01 PM
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I thought it was normal.
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Old Oct 25, 2017 | 05:50 PM
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My headlight pull **** does it all with Detriot Speed Electric Headlight Motors. One of my best mods.
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Old Oct 25, 2017 | 06:52 PM
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If one or both are very slow to turn, there is an article that details the procedure for taking them out, pulling them down and replacing the 50+yo grease inside. I did it to mine, tedious but not complicated and they work great !
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Old Oct 25, 2017 | 07:07 PM
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The two step process to turn on the headlights baffled me a couple months ago when I bought my '67 after 40 years of C1 ownership. At first I thought the separate switch to rotate the headlight buckets was a Bubba fix. It doesn't bother me so much that I would install the Detriot Speed Electric Headlight Motors. The point of having a C2 for me is to actually have an original C2 in every way.
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Old Oct 26, 2017 | 02:37 PM
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I always thought GM meant for the headlight rotation to be automatic with the pull of the light switch. The remnants of a closed switch mount are still on the inner pivot casting. Guess they figured a couple relays and two more switches meant more of a chance of failure---and cost.


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To My first C2 technical question

Old Oct 26, 2017 | 02:47 PM
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The headlight rotation on the 64 was beautiful. Both headlights rotated smooth and consistently, and I really did not notice a difference in the rotation speed of start of opening or closing.
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Old Oct 26, 2017 | 03:22 PM
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My '66 from new always had a slight difference in opening/closing speeds of the buckets.
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Old Oct 27, 2017 | 11:12 AM
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I added 2 relays and 4 limit switches (they really limit now) and connected all to the headlight switch on my 66. Works great. I agree that the pivot brackets appear to be designed for all this.
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