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Headlights Tail and Brake Lights
Jeep Grand Cherokee Limited
Ford Explorer XLS

What is the problem when one of the brake lights is not working it seems like brake and tail light are of the same place the taillight works but brakelights is not?

Answer

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Wiki User
June 11, 2007 2:44PM

There are two filaments in the lamp. One for the tail light and a brighter one for the brake light. First thing I would do is pull out the bulb and check the filaments to be sure that they are both good. If the lamp appears to be good you can have someone hold the brake pedal down and check for voltage.