Question about 2000 Jeep Grand Cherokee

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Brake lights stick in the on position. I can turn them off by depressing the solenoid (brake switch) plunger further so I know that's where the problem is but I'm not sure if it's the solenoid or my brake pedal position. How can I adjust the position of the brake switch vs the brake pedal?

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On the brake pedal lever there is a wire that goes to it it should be a star screw driver that adjusts the actuater on it losen or tighten depending on problem they loosen with time

Posted on Jun 14, 2009

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1 Answer

Need help replacing brake light switch 2006 dodge stratus


Brake light switch usually pushes into bracket until the switch plunger hits the back of the brake pedal and is fully depressed, then turn the switch to lock it in place. Next, connect the wiring plug. The point is, it must be depressed when the brake pedal is up, as it turns on the lights as you push the pedal down and its plunger is released.

Oct 03, 2016 | 2006 Dodge Stratus

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Break lights quit working


Your brake light pedal switch is the likely cause. When you depress brake pedal it pushes in a little plunger on the switch gets out of position and the plunger is not pushed In by brake pedal the brake Iights will not work, switches also fail and require replacement, without knowing the make and model of the vehicle that is about all the info I can provide. If you need further assistance please provide year make and model, good luck !

Sep 20, 2015 | Cars & Trucks

1 Answer

Taillights won't go off when car not running. 1987


Probably not your tail lights but your brake lights. What commonly happens is that the switch either goes bad and sticks closed or it gets knocked out of position.

The switch should be mounted under the dash up around the steering column where it can contact the brake pedal arm. When not applying the brakes the switch has a piston-like piece that rides against the steel arm going up from the brake pedal. In this depressed position the brake lights are off. When you press the brake pedal the piston extends and the brake lights come on.

The switch is typically about 2-3" long and 1-1/2" height and width with one or two wires attached to it. It will be attached to normally an unpainted metal plate bent at 90 degrees and mounted where the switch will be directly in front (towards the firewall) of the brake pedal arm. If its been knocked out of position you'll need to get it remounted and positioned where the piston is depressed with the brake pedal in its normal position and the piston comes free of the brake arm when the pedal is depressed. It's a two person job. Ti check to see if the switch works just press the plunger in and the lights should go off. If not replace the switch.

Good Luck!

Sep 01, 2014 | 1987 Nissan Maxima

2 Answers

Brake lights don't come on when pedal is pressed, all other lights work. What could be the cause?


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.

May 26, 2014 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

1 Answer

I have a 1996 Volvo 850 Wagon. I discovered today that none of the brake lights come on when the brake pedal is depressed, (even fully). All 3 brake light bulbs are OK, no error message on the dash, and...


disconnect the wires from the brake pedal switch, put an ohm meter across the connectors and move the plunger in and out. if there is a short one way and an open the other way, the switch is good. if there is no change in resistance, based on the plunger position, then the switch is bad.

Aug 16, 2011 | 1996 Volvo 850

1 Answer

2002 Taurus - brake lights won't turn off when car is shut off.


Usually this is caused by a broken or faulty brake switch. They are usually located above the brake pedal, inside the car. Look at the pedal from inside the car. Push the pedal down and watch it. Look for a switch that should extend a plunger when the pedal is pushed down. The plunger is supposed to go back into the switch when the pedal returns to it's normal position. This is what lets the brake lights know the pedal has been depressed. In most of the cases I have seen the plunger breaks or it gets cocked sideways and stays out or the switch holder itself breaks and the switch moves instead of the plunger. Then the brake lights think that the pedal is being pushed down even when it's not. Start there.
The only other time I have seen this is when someone used the wrong type of light bulbs in the brake lights.

Feb 23, 2010 | 1998 Ford Explorer

1 Answer

I HAVE PROBLEMS WITH STOP LIGHTS ,THEY DONT TURN ON


1) Unplug the Brake Light Bulbs and with a Voltmeter, check for voltage on both sides.
2) If you have voltage: change the bulbs and recheck operation.
3) If you do NOT have voltage: go under the dash on the drivers' side. Look up onto the arm of the Brake Pedal. There should be a switch behind the arm, On the switch should be a plunger. With a partner at the rear of the vehicle: Depress the plunger in, and have your partner check for Brake Lights.
4) If you now have Brake Lights: the plunger and/or switch can be adjusted. The Brake Arm when depressed, pushes-in the plunger activating the Brake Lights. Some Plungers can be unscrewed (counterclockwise) to shorten the gap to the Brake Arm,
5) If you still have NO Brake Lights: Twist the Switch/Plunger 1/4 turn, removing it off the support bracket. Unplug this Switch and again check for voltage.
6) If you have voltage: the Switch is bad and needs to be replaced.
7) If you still have NO voltage: Check the fuses.
Let me know if this helped, or if you have any additional information or questions. Feel free to contact me at FixYa.com!

Feb 15, 2010 | 1999 Mercedes-Benz M-Class

1 Answer

2000 firebird brake lights do not work


Is this a 1998 or 2000?
1) Unplug the Brake Light Bulbs and with a Voltmeter, check for voltage on both sides.
2) If you have voltage: change the bulbs and recheck operation.
3) If you do NOT have voltage: go under the dash on the drivers' side. Look up onto the arm of the Brake Pedal. There should be a switch behind the arm, On the switch should be a plunger. With a partner at the rear of the vehicle: Depress the plunger in, and have your partner check for Brake Lights.
4) If you now have Brake Lights: the plunger and/or switch can be adjusted. The Brake Arm when depressed, pushes-in the plunger activating the Brake Lights. Some Plungers can be unscrewed (counterclockwise) to shorten the gap to the Brake Arm,
5) If you still have NO Brake Lights: Twist the Switch/Plunger 1/3 to 1/4 turn, removing it off the support bracket. Unplug this Switch and again check for voltage.
6) If you have voltage: the Switch is bad and needs to be replaced.
7) If you still have NO voltage: Check the fuses.
Let me know if this helped, or if you have any additional information or questions. Feel free to contact me at FixYa.com!

Feb 13, 2010 | 1998 Pontiac Firebird

2 Answers

My 55 hyundai matrix rear lights won't turn off can this be fixed?


hello if only rear lights staying on ?? and ignition off then may i suggest that this is most probably your brake lights that are staying on possibly due to pedal not pushing brake switch plunger back enough ? if you lift the brake pedal up the lights may /will go out ? this is simple adjust of the switch by screwing inwards a couple of turns so pedal pushes plunger fully into switch switchlocated just below the pedal pivots shaft and has a plug/wires attached pull plug off then screw switch in 2 turns reconnect plug then when pedal pressed 3/4 " approx ? lights come then go off when pedal released ? this is wear/tear of plunger and common fault as years go by hope this is helpfull and you can d i y ? following instructions ?

Jan 06, 2010 | 2000 Hyundai Accent

1 Answer

When I turn the car off, the rear lights stay on, what could be the problem?


Your brake switch is on, likely due to a rotten contact pad

If you look under the dash by the brake pedal, you will see the brake switch mounted against the pedal with a little plunger sticking out.
The pedal contacts this plunger with a little rubber cushion that gets brittle with age and falls apart.
Once this happens the plunger no longer contacts the pedal and extends at all times, leaving your brake lights on.

Verify the pad is missing. If it is not missing and you can see the pedal depress the plunger completely at rest, then you have a faulty brake switch...... it's always the rubber pad though :)

Here is a picture of roughly what to expect:

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Sep 20, 2009 | 1995 Mitsubishi Eclipse

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