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Lighting Issue?

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Old Oct 25, 2022 | 07:28 AM
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Default Lighting Issue?

Not sure if this is right or not. The wife and I were out for a day in the country, were still enjoying topless weather up here in Western NY. Mine is a 66 and as it grew darker I noticed some things. When I pull the light switch the first indent (marker lights) both the front and rear markers are on but no instrument lights. When I pull to the second indent (head lights) I have headlights, tail lights and instrument lights but the front marker lights are off. Is this the way it should work??
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Old Oct 25, 2022 | 07:32 AM
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Almost right.

In either of the headlight switch positions, the instrument lights should be lit. So something isn't quite right there.

However, the illumination of the parking lights and the headlights is mutually exclusive on our old cars. So that behavior is correct.
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Old Oct 25, 2022 | 08:37 AM
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I'd be interested in why you have no instrument lights in the first position. Just put my headlight switch on the cluster yesterday, hopefully will have the cluster in the dash soon. Crossing my fingers that mine will be OK, I put a new switch in and it's my understanding it's a crap shoot on quality these days.

We, too, enjoyed about 60 miles of Corvette drive yesterday altho on the C-4. Pavilion to Warsaw to Attica to..... Colors are at their peak.
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Old Oct 25, 2022 | 09:39 AM
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If the parking lights going off when the headlights are on bothers you, there is an easy fix. Just pull the connector off the switch and move the parking light wire to the alternate spot.



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Old Oct 25, 2022 | 10:40 AM
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When pulled to either the first or second detent, did you rotate the switch? The dash light brightness is controlled by the rotation of the switch. The final "click" in the rotation turns on your interior lights. They may, simply, be turned off. The other stuff is correct.
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Old Oct 25, 2022 | 10:56 AM
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Most likely weak springs or dirty contacts within the switch. The sprung contacts slide with the pull **** to make contact with the fixed strips (contacts) and complete the circuit. Here is a old thread that tells you how to disassemble and clean the switch. Springs can generally be returned to original length of close to it by pulling on them. See the FTF post.
https://www.corvetteforum.com/forums...placement.html
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Old Oct 25, 2022 | 03:51 PM
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Not rotating the switch as I advance it. The Factoid mod looks good to me, going to add that to my winter list. From what I am hearing here it sounds as the instrument light issue is in the switch. I did have the panel out last winter to rehab and modify it consolidating all the instrument lights down to two pins on two quick disconnects among other things. The receiving pins are connected to two of the gray instrument wires so can not understand how I caused this. I'll take a look at the switch cleaning post and look to investigate that.
Thanks guys
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Old Oct 25, 2022 | 04:25 PM
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Originally Posted by C2Dude
Not rotating the switch as I advance it. The Factoid mod looks good to me, going to add that to my winter list. From what I am hearing here it sounds as the instrument light issue is in the switch. I did have the panel out last winter to rehab and modify it consolidating all the instrument lights down to two pins on two quick disconnects among other things. The receiving pins are connected to two of the gray instrument wires so can not understand how I caused this. I'll take a look at the switch cleaning post and look to investigate that.
Thanks guys
Try rotating it and see what happens.
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Old Oct 25, 2022 | 05:36 PM
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Originally Posted by Factoid
If the parking lights going off when the headlights are on bothers you, there is an easy fix. Just pull the connector off the switch and move the parking light wire to the alternate spot.


I did this to my '65. Happy with the look.


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Old Oct 26, 2022 | 08:14 AM
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Originally Posted by Factoid
If the parking lights going off when the headlights are on bothers you, there is an easy fix. Just pull the connector off the switch and move the parking light wire to the alternate spot.


A note: The wire that goes to the front parking lights on a C2 is PURPLE. To do the change to parking lights staying on with headlamps you have to remove the purple wire from the connector and move it to the open space in the connector to attach to the terminal on the switch that is unused in stock configuration. See the picture to visualize the from and to locations.
Simple answer is, move the purple wire from the circled in orange connection to the indicated by arrow open connection on switch connector if you feel you want both parking and tail lights with headlights. It will be obvious that no wire is in the hole for the stock unused one. The important note is move the PURPLE wire.


Follow the yellow brick road:


Last edited by 65GGvert; Oct 26, 2022 at 09:14 AM.
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Old Oct 27, 2022 | 08:33 AM
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Good advice as always. Been concentrating of installing a new home furnace the last couple of days. Plan to get back on this on the weekend, I will report back.
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