Ford Fiesta brake lights coming on when accelerating?

1999 Ford Fiesta Problem

CarFord Fiesta 1.3 finesse 3dr
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A friend following me today said that my brake lights kept coming on even though I was accelerating. Not had a chance to check this for myself yet, any ideas? I also discovered black hair hanging out of my exhaust but after initially thinking someone had stuffed an old wig up there, have since discovered it is probably the "back box"? Is that the same as a silencer? I've had more work/replacement exhausts on this car than I've had on all my previous cars put together. Could there be a cause for this or do they just don't make them like they used to?
many thanks
Problem Category
Engine, Cooling System & Drivetrain

Electrics, ECU, Warnings & Lights

Steering, Suspension, Brakes, Wheels & Tyres

Solution 1
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11910 | View Garage
Suggested Solution

Either brake switch at pedal faulty or needing adjusted Back box is small silencer on tail pipe.

Posted on Wednesday 2nd of June 2010
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