C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Brake switch or WTH

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Old May 7, 2023 | 05:26 PM
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Default Brake switch or WTH

At 68 with four discs fused with rods and screws about five months ago I’m trying to fix a no brake light problem, not that anyone is ever that close lol so I’m using a like a miners light and a mirror and I get the so called switch out and my new rock auto switch has two plugs and this thing I took out has one plug and a vacuum line obviously not the brake switch so what did I brake my ***** taking out? 1990 six speed with cruise control, so I’m thinking something to do with the cruise control? Pics incl

What I took out left new rock auto brake switch right
uded
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Old May 7, 2023 | 06:01 PM
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This is a '90 SLS. You can use this GM # or any after-market that mentions a cross reference to this GM. I can't see your images but I suspect you ended up with a cruise control release removed and if what you received matches this image it's likely correct.

*** What are you trying to fix? No brake lights?


Last edited by WVZR-1; May 7, 2023 at 06:14 PM.
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Old May 8, 2023 | 06:52 AM
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Yes no brake lights and all fuses test good , parking lights and hazard lights work.
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Old May 8, 2023 | 07:21 AM
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Is it possible there are seperate switches for cruise and brake or different configurations for manual 6 speed? ?
https://www.corvettecentral.com/5943...iABEgLolPD_BwE

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Last edited by Vets-Vet; May 8, 2023 at 07:49 AM.
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Old May 8, 2023 | 07:46 AM
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Default 89-92 brake & cruise switches and bracket


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Old May 10, 2023 | 11:45 AM
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Originally Posted by Vets-Vet
Exactly what I have and like an idiot I took out the largest one on the right fun fun fun
thank you
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Old May 23, 2023 | 12:58 PM
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Ok so I got the brake switch replaced and both sets of wires on. Now on the cruise control switch I have the vacuum line connected and after two days of looking with lights and mirrors I can not find any plug to go on the end of the cruise control switch?? Maybe as another guy asked on the forum that there is no wire that goes on it? I can’t believe the terminal’s are there but no plug The guys in the white coats are in the driveway ready to commit me lol please help me , thanks everyone
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Old May 23, 2023 | 01:48 PM
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Originally Posted by mudslide
Ok so I got the brake switch replaced and both sets of wires on. Now on the cruise control switch I have the vacuum line connected and after two days of looking with lights and mirrors I can not find any plug to go on the end of the cruise control switch?? Maybe as another guy asked on the forum that there is no wire that goes on it? I can’t believe the terminal’s are there but no plug The guys in the white coats are in the driveway ready to commit me lol please help me , thanks everyone
Cruise control “switch” is vac only AFAIK…. You could always give it a try!
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Old May 23, 2023 | 03:15 PM
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Originally Posted by pedricd
Cruise control “switch” is vac only AFAIK…. You could always give it a try!
so I’ve been looking for a nonexistent switch? Only me , I love mechanics but hate electronics on cars
thank you
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