67 Rear Inner Brake lights don't light
Anyone have an idea why the two inner rear brake lights / directionals won't light up? They work as tail lights but won't light either with the brake pedal or the directional lever...
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Re: 67 Rear Inner Brake lights don't light
Bill, let's start with the very basics here. Have you changed the bulbs? It is possible the one filament in both is burned out. It does happen. Bill. -
Re: 67 Rear Inner Brake lights don't light
Yes, I've checked the bulbs and jiggled them in the sockets. No change...Comment
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Re: 67 Rear Inner Brake lights don't light
Sounds like you are missing the ground on the inner lamps, or the incorrect bulbs are installed.Bill Clupper #618Comment
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Re: 67 Rear Inner Brake lights don't light
They light up perfectly as running lights so I don't think it's the grounds. The bulbs are 1157s and I've swapped them with the outboard lights just to check...Comment
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Re: 67 Rear Inner Brake lights don't light
Maybe, but the symptom you just described is textbook for a bad ground.Bill Clupper #618Comment
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Re: 67 Rear Inner Brake lights don't light
Hi Bill,
Yes we had that problem, on the driver side, at the Winter Regional this year. We caught it before the show started and used contact grease to temporarily fix the problem. We havent fixed the glitch yet but I am guessing the socket is not grounded properly in the hole. If you fix it please share whith us your findings.
Good Luck!
ChuckComment
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Re: 67 Rear Inner Brake lights don't light
Remove the bulb, hold brake pedal down and test each contact point in the light socket with a test light. Each one powers one of the filaments in the bulb and both must work for the "bright" light of a brake or turn signal light. Sounds like one is not working. If it is working, the bulb might not be making contact on one of the "lead" contact points with the juice contacts in the light socket. Be sure the spring is working inside the socket on each contact point.Avatar--My first ever vette, owned 3X since 1977, restored 1993-2024. Top Flight Award 9/14/24Comment
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Re: 67 Rear Inner Brake lights don't light
Thanks, will put the meter on it in the morning. Another thought. Are both the right and left lights pigtailed together near the back of the car or do those wires run forward to some other location???Comment
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Re: 67 Rear Inner Brake lights don't light
Bill,
If the ground was bad the parking lights would not work so forget the ground.
The wiring is pigtailed and does not go to the front.
I would suspect that someone has already messed with the wiring in your 67 and screwed it up.
You are going to have to get on your back with a voltmeter and trace the wires.
JRComment
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Re: 67 Rear Inner Brake lights don't light
Bill, I have a 63 wiring diagram, not sure if the same as 67,the inner lamps for the turn and stop are just jumpered from the outboard lamps wire colors are pink and voilet colors(brown is tail lamps). seems strangle that there would be a problem with both, but as joe says do your voltage tests at those wire colors. there is a body connection where all the wires must go through the rear firewall.New England chapter member, 63 Convert. 327/340- Chapter/Regional/national Top Flight, 72 coupe- chapter and regional Top Flight.Comment
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Re: 67 Rear Inner Brake lights don't light
They are jumpered together, but a separate ground wire must be attached to each housing (under the speed nut that holds the mounting pin in place) for the stop lamps to work. The parking lamps can find an alternate path to ground, but the stop filament requires more current and needs the individual ground wire to each lamp housing.Bill Clupper #618Comment
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Re: 67 Rear Inner Brake lights don't light
After volt testing and finding no voltage to the center brake lights, I worked my hand up and pulled the plastic plug free of the light and tested it again. Nothing.
I pulled the rubber boot back from the plug and found that the yellow (left) and Green (right) wires were coiled in the boot and not connected into the plug at all. Disappointing to find that in a new Lectric Limited harness.
Clipped the wires into the plug and now I'm lit up properly. Thanks for all your replies...Comment
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