Can anyone help? No brake lights

Old 06-08-08, 05:15 AM
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Unhappy Can anyone help? No brake lights

Hi, I have a peugeot 306(2001) and my brake lights keep failing, one day they work, the next they dont, and then they work again. All fuses and bulbs are fine, however the problem started when i changed a blown fuse for my rear windows.
We have just spent nearly 750 on my fiances car as it failed mot on emmissions, and really dont want to have to spend any more if it is something i can do myself.
Can anyone help please? I have been told that it could be faulty switch, which garage tell me is a major job :-(
Old 06-08-08, 11:47 AM
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Power feed, switch, wire, bulbs (doubtful...but possible they could both be corroded in socket, but then if that were the case it shouldd affect the tail-lights if you have combo dual filament tail-light/brake bulbs), sockets and ground. You have to start checking them all. See if you can see the switch down by the brake pedal. Do you or anyone you know have experience in using a cheap voltmeter and testing current and continuity? Pretty straightforward work, although hidden parts and wires can make it a pain. Often it helps to have wiring diagram so at least you know what color coded wires, at the tail lights, match up to wires down under the dash.
Old 06-08-08, 05:03 PM
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sounds more like a bad ground somewhere, try running a ground from the battery terminal to each brake light and see if that helps.

murphy was an optimist.
Old 06-08-08, 05:31 PM
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I had a similar problem with one of my cars. The end result was the body computer. Sounds silly, doesn't it? I spent days troubleshooting the car until I obtained a factory manual for it. Having the correct diagrams quickly led to a faulty computer located in the trunk. What used to take a simple switch to do the job now takes a computer. The car wasn't new either, it is a 93. I am not saying your cars lights are run by the computer, but by obtaining some technical information on it may save a lot of hair pulling and screaming. You might try or chilton manuals and see what they have.

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