Quizzes & Puzzles2 mins ago
Brake .lights
i have a 2014 kas rio and its keep blowing rear brakes light every 2/3 months either one side or last time both sides,easy and cheap to replace but on all my other cars they have lasted years
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For more on marking an answer as the "Best Answer", please visit our FAQ.Bulbs blowing often indicates a fault with the alternator. It could be that there is a problem with the regulator and the output voltage is too high. Check it with a voltmeter; with the engine running and the headlights on the voltage shouldn't be more than about 14.5.
Bulbs tend to fail at the moment they are switched on - they take more current at that point because the element is cold. Brake lights are switched on and off more frequently than any of the other bulbs in the car, so these will be the ones most likely to fail.
Bulbs tend to fail at the moment they are switched on - they take more current at that point because the element is cold. Brake lights are switched on and off more frequently than any of the other bulbs in the car, so these will be the ones most likely to fail.
It's not a totally silly thing to do. Apart from the convenience of only having to mess with the lights once instead of twice, if you look at a bulb which has been in the car for a long time you will see that the glass has blackened due to the tungsten from the filament evaporating and condensing on it. I've been known to change bulbs simply because of this not because the bulb has blown.