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Old Jul 26, 2020 | 12:45 PM
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Default Vette Lights Tail Lights

Okay so I installed a new set of Vette Lights tail lights several weeks ago and everything was fine and working well. Yesterday I was told that my brake lights were not coming on but the factory 5th light was coming on. I am calling Vette Lights tomorrow but I wanted to reach out to you guys to see if anyone has experienced this. I do not believe it is the contact switch at the brake pedal since the 5th light is coming on when I depress the brakes. I have removed all of them to check the connections and have no issues there as well. The turn and running halo lights are working fine as well.

Last edited by Garrett C5; Jul 26, 2020 at 12:52 PM.
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Old Aug 9, 2020 | 12:47 AM
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Hmm curious. I wonder if they were Working at any point ? They might have both Blown, not the Fuses, perhaps the Lights themselves, unless there happens to be fuses for tail lights separate from the 5th.
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Old Aug 9, 2020 | 10:25 AM
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So yes the brakes lights were working when they were installed. I checked the fuse at the passenger floor fuse box and it was fine. Vette Lights has no idea on what is going on. Strange that all four of them are not working not just a single one so that makes me think its a car issue rather than the lights. The car is in the shop getting a LS3 swap so when I get it back I am going to pull the lights and install the regular bulbs and see if they work. I am assuming if they do then its the lights if not then its a car issue.
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Old Aug 9, 2020 | 11:08 AM
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Sounds like a good plan. Yeah if the fuses are ok, that doesn't mean the car doesn't have some sort of problem. Hmm interesting. Good luck with the swap, def post the results to see if that helps the diagnosis.
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Old Aug 9, 2020 | 10:31 PM
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Cycle the hazard switch a bunch of times and see if they start working again. There is a contact in there that disconnects the brake lights and connects them to the hazard flasher instead.
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Old Sep 5, 2020 | 12:06 PM
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Originally Posted by lionelhutz
Cycle the hazard switch a bunch of times and see if they start working again. There is a contact in there that disconnects the brake lights and connects them to the hazard flasher instead.
Okay so I removed the Vette Lights and put back OEM bulbs and have the same issue so Vette Lights not the issue. I have cycled the hazard switch about a 1000 times and still have issue. Did some research and it appears the rear brake lights run through the turn signal switch in the column. After looking up that part number two come up 26047374 and 26075870. Does anyone know the difference in these two part numbers? I am going ahead and replacing both the hazard switch and turn signal switch in hopes that resolves the issue but need a little help in understanding the difference in the part numbers so I get the correct one the first time.

Thank You in advance !
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Old Sep 5, 2020 | 12:26 PM
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Originally Posted by Garrett C5
Okay so I removed the Vette Lights and put back OEM bulbs and have the same issue so Vette Lights not the issue. I have cycled the hazard switch about a 1000 times and still have issue. Did some research and it appears the rear brake lights run through the turn signal switch in the column. After looking up that part number two come up 26047374 and 26075870. Does anyone know the difference in these two part numbers? I am going ahead and replacing both the hazard switch and turn signal switch in hopes that resolves the issue but need a little help in understanding the difference in the part numbers so I get the correct one the first time.

Thank You in advance !
Oh and by the way the hazard switch has the same part number issue 10359036 and 10406626?
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Old Sep 5, 2020 | 03:20 PM
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https://www.corvetteforum.com/forums...er-4-dont.html
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Old Sep 5, 2020 | 08:16 PM
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It's pricey to replace the switches without knowing they are the issue. At least check that the brake light power is getting to the MFS. Check there is brake light power on white wire that comes from the brake switch and goes to the hazard switch. If there is power there, then check the brown wire which is brake light power coming out of the hazard switch to the MFS.
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Old Sep 5, 2020 | 11:19 PM
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Originally Posted by Garrett C5
since the 5th light ...
Originally Posted by Hitman_396
from the 5th...




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Old Sep 5, 2020 | 11:30 PM
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Old Sep 6, 2020 | 06:15 PM
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Hittman and JMD
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Old Sep 10, 2020 | 06:42 PM
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Originally Posted by lionelhutz
It's pricey to replace the switches without knowing they are the issue. At least check that the brake light power is getting to the MFS. Check there is brake light power on white wire that comes from the brake switch and goes to the hazard switch. If there is power there, then check the brown wire which is brake light power coming out of the hazard switch to the MFS.
Well I changed the hazard switch and brake light switch at the break pedal and the lights are working. Now for the rest of the story. I have issues with the cruise control and I have already bought the turn signal switch so I decided to change it out. I noticed a strange wire connection when I was changing the break switch and when I got into the turn signal switch I can see what that connection is all about. For some reason someone clipped the small brown wire on the left side of the harness then connected a blue wire to it to run a jump to the white wire on the break switch. I think the turn signal switch went bad and this is someone's way around replacing it. I think I am going to disconnect the jumper and reconnect the brown wire when the turn signal switch is replaced. Anyone have an idea what hat brown wire is for? I have attached pictures below.






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Old Sep 10, 2020 | 08:06 PM
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Looks like that jumps out a contact in the hazard switch.

With the hazards on, pressing the brake pedal should not affect the hazards or cause the outside brake lights to come on continually. I expect your brake pedal will affect the hazards flashing.
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Old Sep 10, 2020 | 10:22 PM
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Originally Posted by lionelhutz
Looks like that jumps out a contact in the hazard switch.

With the hazards on, pressing the brake pedal should not affect the hazards or cause the outside brake lights to come on continually. I expect your brake pedal will affect the hazards flashing.
You may be on to something there. I put the new hazard switch on first and all the lights flashed where as before only the fronts flashed. That's when I decided to change the pedal switch and the break lights started working but the front hazards once again only work. They also hyper flash even though I have the Vette Lights Anti Hyper Flash unit installed. I can't understand the wire mod and why it was done. I wonder if the new hazard switch has been effected by this jump wire.
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Old Sep 12, 2020 | 05:13 PM
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Okay for those of you who have followed this post I want to thank those of you who have provided constructive feedback and advice. For the those who feel that this forum is for trolling and giving negative responses.....grow up I pay for this subscription for advice and providing advice when I believe I have valued input. Now with that said.... BAM all lights are working like factory now thanks to your comments and support. I may have spent a little more than I should have replacing the brake switch, turn signal switch and hazard switch but it is worth in. Lets be honest my 99 is 21 years old and would have needed all of them changed anyway at some point. Anyway I changed all the switched and did away with the jumper wire and reconnected it to the factory position and bam everything works as it should. Thank you to all that provided constructive feedback could not have done it without you!
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Old Sep 15, 2020 | 12:46 AM
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If I recall correctly, installing European taillights involves cutting a brown wire, but I don’t think it was at the switch.
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