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they are not brake lights they are fog lights and they turn on because it is for the car behind to see you

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โˆ™ 2008-11-14 17:43:33
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Q: Why do your brake lights come on when your headlights are on?
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Peugeot 306 brake lights wont work all the other lights do also the brake lights come on when headlights are turned on whats problems?

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What causes your tail lights and parking lights not to work but turn signals headlights and brake lights work?

Fuse, wiring, bulbs