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Re: 2001 Landrover Brake Lights on without brakes applied
Most likely your switch under the dash needs replacing, or you have a short, take a light and look under your dash up the brake pedal lever and you should be able to locate it, it will be a button most probably and it will be stuck in, or shorted.
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While I'm not overly familiar with Mercedes, I'd assume that it still has a brake light switch located on the bar of the brake pedal itself. This switch is typically just a "plunger" style switch, where when you push the pedal down as if applying the brakes, the plunger extends outward turning the brake lights on. When the pedal is released, as if letting off the brakes, the plunger is depressed causing the lights to shut off. If that plunger gets stuck in a depressed position, the lights will remain off at all times. Check that first, along with the brake light fuse and/or relay. Good luck.
WHEN YOU APPLY BRAKE PEDAL, do you see brake lights come on ? if no then the switch is not working fine ! switch turns lights on when you depress the pedal, releasing the plunger, lights go out when you release the pedal. this switch has a fuse @ fuse block. check it ! if ok, and brake lights do not come on replace switch, & mount properly in bracket.
The tricky part about replacing the Stoplight switch is positioning it perfectly - the bracket holding the switch must be in the right place (unbent), and the large nuts mounting the Brake light switch to the bracket must hold the switch at just the right distance from the flange on the brake pedal which actuates the brake light switch - or else the switch will think that the pedal is being depressed even though its not. One problem that comes up is that these brackets may get bent over time (especially with panic stops and/or collision(s) in the history of the vehicle), and the automotive electrician must then unbend metal to properly install a Stoplight switch.
Here's a picture of the Stoplight switches used in 2003 Grand Ams:
One thing to check is the micro switch on the brake pedal arm, I had the same problem.
For some reason the switch came loose and it wasn't being depressed.
All I had to do is re adjust it so it would depress the plunger on the switch when the brake was not applied and activate the switch when the brake pedal was depressed.
I set it to the sensitive side so when you barley tap the brake pedal it shuts off the cruise control.
hi from uk this fault is most probably your brake pedal switch is not being pushed to off poosition by pedal when released hence b/lights stay on the b/lights do operate with and without ignition on on hyundais as for your symptoms of clicking ?? as pedal pressed ? this may well be there is a crack on pedal box or the pedal ? strongly advise you check this out ! however for now you can reach under lower dash and diconnect the wire plug from the b/light switch or remove fuse for brake lights to prevent battery drain and or blowing bulbs eventually due to higher wattage of brake lights bulbs heating up if left on hope this helps?