Question about 1999 GMC Sierra

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Brake lights not working

The relay on the pedal keeps moving and the lights wont stay on

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  • 51 Answers

It most likely is a switch, not a relay. It sounds like the mounting bracket is broken, but it could just be loose. Tighten it, replace the part, or fabricate a new holder.

Posted on Nov 25, 2008

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1 Answer

Breaklightes wont work


It is most likely the problem is with the brake light switch above the brake pedal arm. Check for power there with a 12 volt test light. Without the brake pedal pressed one side of the switch will light the test light, when the brake pedal is depressed both sides of the switch connector will be hot. Let me know what you find. You can buy a 12 volt test light at any auto parts store for about $5

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Try replaceing your brake light switch on the brake pedal it should solove yourproblem. if this is helpful please leave good feed back.

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93 jaguar clicking sound when i press on the brake


Few latest troubleshooting help links related to these problem.
ABS light stays on but brakes work fine? http://howtobyme.blogspot.com/2011/11/abs-light-stays-on-but-brakes-work-fine.html

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Sometimes ABS light comes on while Driving?


http://howtobyme.blogspot.com/2011/12/sometimes-abs-light-comes-on-while.html

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These will help.
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Jul 07, 2012 | 1993 Jaguar XJ6

1 Answer

BRAKE LIGHTS STAYS ON. the swith isnt the problem.


If the car thinks the brakes are on, then the switch on the brake pedal lever under the dash is bad. But this switch is not the only switch you have. IF your system works like the Ford products I am use to, then another interlock is present to prevent you shifting out of Park without pressing the brakes.

If you are able to shift without your foot on the brake, you are still getting a signal to the second interlock with the trans. This means the brake pedal switch is saying your foot is pressing the pedal. Some cars are in the data base for Autozone.com. If you can register your car for free, most will have free wiring diagrams and fusebox layouts.

You may have a relay for brake lights on a Mercedes. Other cars usually do not because it affects reliability. But a stuck brake relay could keep the light circuit on, if equipped.

A better scanner can do brake functions and all you need to do is plug in the tester to the ABS port and see if the abs is identifying a problem. The cheaper scanners do not have this feature.

A remote possibility is that you have a bad Master cylinder and the pedal is not returning to the full upright position.

I hope my solution is helpful.

May 24, 2012 | Mercedes-Benz S500 Cars & Trucks

1 Answer

My 07 rio brake lights wont turn off


Under the dash, between the seat and the brake pedal is a switch. When the brake is released, it presses against the switch to turn off the brake lights. When the switch does not line up with or fails to connect with the pedal, the lights stay on until your battery dies, and it will.

Reach under the dash, check the switch and move it if it does not line up with the pedal. If it does line up but does not touch the pedal, twist the end of it until it does. The lights should go off.

Aug 12, 2011 | 2007 Kia Rio 5 Sx M/T Hatchback

3 Answers

Tail lights are staying on,,battery keeps going flat


Switch at top of brake pedal stuck or shorted.Plunger in switch should move when pedal is depressed.

Jan 24, 2011 | 1998 Chevrolet S-10 Pickup

2 Answers

My brake light stays on after I turn off my 02 liberty. I have to pump the brake pedal and ussually works but lately it comes back on later draining my battery. I've used bungies to hold up the brake pedal...


The brake light switch is sticking look under the dash follow the brake pedal arm up and look for the switch you may be able to get away with spraying some electrical contact cleaner on the switch working the pedal down and up as you spray if this fails to work the switch should be replaced. Remove the plug and wire connection and the screws and adjustment nut that hold the switch in and make note of where the switch was located in relation to the brake pedal contact point, you must have the switch location adjusted in the right point of contact with the pedal for the new one to work right, when installing the new one keep adjusting its location until the desired effect is attained.

Dec 07, 2009 | 2002 Jeep Liberty

1 Answer

Transmission wont shift out of park


Try checking the brake light sending unit. Are your brake lights even working. Many newer vehincles will not shift out of park unless the brake pedal is depressed. However, a faulty sendind unit located on the pedal itself can keep you from moving anywhere. Just check to see if your brake lights are working to know if the sending unit is working.

Apr 30, 2009 | 2004 Mercedes-Benz Mercedes Benz S Class

3 Answers

Jaguar x type brake lights stay on


the brake light switch has either moved out of the bracket just above the brake light pedal or the brake light switch itself is faulty.
look just above the brake pedal, there should be a switch on a bracket so that when you press the brake pedal the spring plunger piece of the switch moves out and the lights come on. make sure the plunger goes in when the brake pedal goes back to normal position.if the lights stay on when the plunger is pushed in the switch is faulty and needs changing, quite common. hope this helps

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1 Answer

BRAKE LIGHTS STAY ON ENGINE RUNNING BUT CAR WONT DRIVE


there is a button on your brake pedal lever that while braking gets depressed, and turns on your brake lights. Now this component is a plastic piece that can get knocked loose rather simply. You either need to re-secure this component, or replace it

(you can get this part at any junk yard for nothing more than some pocket change)

Jan 29, 2009 | 2001 Audi A4

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