Brake lights help needed
Thread Starter
Melting Slicks
Joined: Apr 2002
Posts: 2,337
Likes: 14
From: Norfolk VA
Brake lights help needed
When I turn on the headlights and apply the brakes my LH brake light goes out. (they work properly along with the turn signals when the headlights are not on) Found out the ground in the socket was bad.
I replaced the socket and now the LH brake light stays on and the turn signal will not blink when the headlights are on. What could be the cause?
I replaced the socket and now the LH brake light stays on and the turn signal will not blink when the headlights are on. What could be the cause?
Le Mans Master
Joined: Jan 2000
Posts: 8,918
Likes: 27
From: New Hill NC
When I turn on the headlights and apply the brakes my LH brake light goes out. (they work properly along with the turn signals when the headlights are not on) Found out the ground in the socket was bad.
I replaced the socket and now the LH brake light stays on and the turn signal will not blink when the headlights are on. What could be the cause?
I replaced the socket and now the LH brake light stays on and the turn signal will not blink when the headlights are on. What could be the cause?
Thread Starter
Melting Slicks
Joined: Apr 2002
Posts: 2,337
Likes: 14
From: Norfolk VA
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Last edited by Oldguard 7; Mar 9, 2014 at 08:25 AM.
Thread Starter
Melting Slicks
Joined: Apr 2002
Posts: 2,337
Likes: 14
From: Norfolk VA
Badly wired socket? How so? The brown wire lights the low filament (tail lights), yellow wire (brake light/turn signal), and black wire (ground) I doubt I got any of the three wires crossed. I will check to see if this is the case. Need I check the ground in the front? Other than those things I don't know what else will cause this problem.
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three..... and two of them are mine.
Le Mans Master
Joined: Aug 2006
Posts: 7,431
Likes: 1,562
From: mount holly NC
2025 c3 ('74-'82) of the Year Finalist - Unmodified
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Roger goes into how to test and the problems with the sockets.
http://forums.corvetteforum.com/c3-g...n-signals.html
http://forums.corvetteforum.com/c3-g...n-signals.html
Safety Car
Joined: Aug 2001
Posts: 4,883
Likes: 11
From: North Easton Mass
It could turn out to be the turn signal switch. All of the tail-light wiring goes through it and if the switch is malfunctioning you can get all kinds of strange problems with the brake lights and turn signals.
I forget exactly the problem I had but it was something like a turn signal would work except if the brake pedal was depressed. There is a plastic piece inside the steering column that falls apart with age (mine did) plus the turn signal switch was loose-feeling and wouldn't self-cancel in one direction. I replaced the switch and the plastic part and everything was OK after that.
Rick B.
I forget exactly the problem I had but it was something like a turn signal would work except if the brake pedal was depressed. There is a plastic piece inside the steering column that falls apart with age (mine did) plus the turn signal switch was loose-feeling and wouldn't self-cancel in one direction. I replaced the switch and the plastic part and everything was OK after that.
Rick B.
Le Mans Master
Joined: Jan 2000
Posts: 8,918
Likes: 27
From: New Hill NC
Brake light stays on? All of the time?, when the HL are on? what?
Thread Starter
Melting Slicks
Joined: Apr 2002
Posts: 2,337
Likes: 14
From: Norfolk VA
Sounds like a reasonable conclusion. When the ground is bad the constant filament will light because it back feeds through the other filament to some other ground. When the brake is applied voltage is placed on the other filament and both lights go out.
Brake light stays on? All of the time?, when the HL are on? what?
Brake light stays on? All of the time?, when the HL are on? what?
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