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"Brake Lamp" Light. Driving me crazy

 
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Old 10-17-2010, 09:52 PM
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"Brake Lamp" Light. Driving me crazy

I have the "Brake Lamp" light, the rightmost light on the dash on.

I have checked the following
- All my bulbs are working.
- The sensor is not bad. See below why.

I was at the junkyard and I took the accord taillight wiring home. When I put it on, the "brake lamp" light goes away. I swapped the sensors and the accord wiring would turn off the "brake lamp" light while my original wiring would keep the "brake lamp" on. So, the sensor is not bad. Could be that the accord wiring is bypassing but I didn't see evidence of it.

The service manual is useless since it talks about right sensor which isn't there. And, then I did the grounding of the green and black wires but the "brake lamp" light didn't go away.

What could be the problem?
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Old 10-17-2010, 10:03 PM
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Re: "Brake Lamp" Light. Driving me crazy

third-brake light and wiring resistance issue .. are you running a third-brake light? Converted to LED spoiler? Same thing happened to me .. My '93 'Lude had the third-brake light inside at the top of the rear window, when I removed it and converted to LED spoiler from a '95 'Lude, the "brake lamp" light came On. The LEDs in my situation need less power to operate than the two third-brake light lamps and have a different resistance in the wiring harness. There is a solution to this, but you will have to search Google and LED forums. Just take the little bulb out from your cluster if it bothers you too much.
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Old 10-17-2010, 10:08 PM
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Re: "Brake Lamp" Light. Driving me crazy

Quote:
Originally Posted by street_ride14 View Post
third-brake light and wiring resistance issue .. are you running a third-brake light? Converted to LED spoiler? Same thing happened to me .. My '93 'Lude had the third-brake light inside at the top of the rear window, when I removed it and converted to LED spoiler from a '95 'Lude, the "brake lamp" light came On. The LEDs in my situation need less power to operate than the two third-brake light lamps and have a different resistance in the wiring harness. There is a solution to this, but you will have to search Google and LED forums. Just take the little bulb out from your cluster if it bothers you too much.
Both the bulbs on the third brake light work fine. I don't think the sensor even checks that. It just checks the brake light bulb only from what I can see from the wiring.

No LEDs that I changed. The spoiler LEDs work fine.

I guess I will have to take the bulb out of the cluster but it just amazes me that the Accord taillight wiring will take the "brake lamp" light off. I'm just completely puzzled.
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