Question about 1997 Isuzu Trooper

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Brake lights not working

Checked bulbs were good and fuses were good. what could it be?

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  • fnorat May 21, 2009

    could i replace this my self without a mechanic by purchasing the part?

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  • 175 Answers

Check the brake light switch located in the brake pedal under the dash.

Posted on May 21, 2009

  •  Jun Magno
    Jun Magno May 28, 2009

    sure you can do this yourself.



    when you find the part. remove the electrical connector then get a shot piece of wire and short out the two terminals on the wiring side. your brake light should turn on. if it does you are now 100% sure its the switch

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Hi Jimmy.

Most every circuit in a car goes through a fuse. if you look in your owners manual for the particular vehicle you drive, you should find a listing for a fuse for brake light or brake lights. The tail light being OK should not have anything to do with the brake light. They'll be different bulbs, or, at worst, different filaments in the same bulb, and on different fuses. The brake and tail lights are distinct because otherwise, if you had your tail lights on at night, no one could tell you were pressing your brakes.

If you were meaning that the bulb for the brake light in the tail cluster is good, that also will point to a blown fuse. Check there first.

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