Question about 2003 Buick LeSabre

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I have a 2003 buick lasabre, brake lights stay on include back window light

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Most likely the brake light switch is sticking on. This switch is mounted on the brake pedal arm about six inches above the foot pedal, between the arm and the push rod that goes into the master cylinder.
Get a new switch at the auto parts store, then pull the spring clip and slide the old switch off. disconnect the wires, replace the switch and put the spring clip back into place.
If you don't want to replace it yourself, it should be an inexpensive repair (I'd guess under $100). Call around for prices.

Posted on Sep 01, 2010


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