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

No brakes or reverse light?

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Old Nov 17, 2017 | 05:49 PM
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Default No brakes or reverse light?

If I turn the exterior lights on the taillights will light up, but if I apply the brake, nothing. The reverse lights don't work either could it all be related?
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Old Nov 17, 2017 | 07:48 PM
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I had the same type of issue it was a blown fuse.
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Old Nov 17, 2017 | 08:02 PM
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The fuse checked out. Unless there's another one somewhere? I checked the ones on the passenger side dash area.
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Old Nov 17, 2017 | 11:35 PM
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Do the brake lights work at all if not the brake light switch may be broken or unplugged.
It is on the pedal.
As fōr the reverse lights check the bulbs and holders have good conectons. I had one bad conector but both could be burned or corroded . I dont see how they coud be related.
good luck

Last edited by xrav22; Nov 17, 2017 at 11:37 PM.
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Old Nov 17, 2017 | 11:40 PM
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They lit up, but only with the light switch on, but as for applying the brakes no, they don't. I'm leaning towards the brake switch. For the reverse lights, everything looked good, but they don't work. Is there a switch somewhere for that?
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Old Nov 18, 2017 | 12:50 AM
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I thought. i needed a backup switch for a minute. Turned out to be the bulbs. Do the side reverse light. There is a switch but (i am pretty sure,doublecheck)on the auto it is connected to the shift position under the center console, I am not sure on the 4+3.

Last edited by xrav22; Nov 18, 2017 at 01:08 AM.
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Old Nov 18, 2017 | 12:52 AM
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Well there's no power going to the reverse light sockets. The side ones don't lit up either.
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Old Nov 18, 2017 | 12:56 AM
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Originally Posted by Joe Reyes
Well there's no power going to the reverse light sockets. The side ones don't lit up either.
I am betting on the switch then.
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Old Nov 18, 2017 | 04:01 AM
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Missing is the year and if manual or automatic to maybe suggest diagnostics for reverse lights.

If the lamps flash for directionals then it's a reasonably correct assumption the stop light switch is the issue.
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Old Nov 18, 2017 | 06:08 AM
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91 Vette 6 speed
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Old Nov 18, 2017 | 10:56 AM
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Originally Posted by Joe Reyes
91 Vette 6 speed
Reverse light switch is certainly a possibility with the ZF - if you're not rushed some have actually had success with a "soak and exercise" of the detent ball. There's not an OE replacement but there are others with a short pigtail for the connector. If yours has a pigtail now it's NOT OE.

Maybe if your ZF hasn't been serviced recently OR never you do the "soak and exercise" expecting likely failure but you need the service anyway!

SLS seems very likely if your directionals currently work - if they don't then there's also a possibility of a directional switch failure etc.

SLS can sometimes just be repositioned at the pedal.
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Old Nov 18, 2017 | 11:36 AM
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Do the blinkers work ? Do the hazard lights work ?
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