Question about 1994 Oldsmobile Cutlass Supreme

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Brake lights not working. checked bulbs, fuses and replaced the switch on the brake pedal

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  • Oldsmobile Master
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Is there power at the brake light switch? if so does it go in and out of the switch when u press the pedal down? if it does most likely the turn signal switch is defective, that is the only other place the signal goes before it goes to the bulbs

Posted on Sep 07, 2010

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Posted on Jan 02, 2017

  • 3940 Answers

SOURCE: 2001 pontiac sunfire with no brake lights

If the light in the spoiler works, the switch is good. Sounds like a bad ground to the light sockets

Posted on Sep 05, 2008

  • 178 Answers

SOURCE: 2000 jeep wrangler brake lights don't work

hello sounds like a bad or loose wire on your brake switch up under your dash follow your brake pedal upward push down on your pedal now watch as you let it go slowley where it touches the skinny flat area of your petal touches a switch about 10 inches up from the bottom you should see a button sticking thru a bracket were your pedal touches check and jiggle wire if no lights change switch goodluck

Posted on Sep 18, 2008

  • 132 Answers

SOURCE: brake light failure ford galaxy

take the wires off the switches on the pedal and touch together if the lights come on the switch is faulty

Posted on Nov 09, 2008

  • 1114 Answers

SOURCE: Left rear brake light stopped working but bulb and fuses are OK.

take the bulb back out have someone sit in car apply brake get your self a circuit tester and check to see if this circuit is carrying efficient 12 volt current! some times in cold weather these bulbs get hot with long period of breaking and when released condensate and rust begins and you get what you have perhaps bad socket! this would be a ideal location to begin and probably end,

Posted on Jan 03, 2009

SOURCE: the brake lights on my 2004 jeep grand cherokee do

Since the third light works upon hitting the brake pedal this shows tht the switch is ok and is the fuse too, you will now have to trace the fault at the rear lights both left and right.
If its a circuit board type thn remove the bulb sockets and spray WD-40 on the board at tht place and also spray a little to the sockets, not bad to check for the live current ( + ) at the points , you need some one to hit the brakes pedal .
Hope this helps!

Posted on Aug 16, 2009

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2 Answers

Have a 89 ford ranger all lights work except brake lights. I replaced the switch, fuses are good and so are the bulbs. What else could be causing the brake lights not to work??


It could be the turn signal switch, since the brake wire travels through the turn switch after it leaves the brake switch and then goes to the bulbs. That is how you get a steady brake light on one side, and a blinking light on the turning side. The rear turn signal lights and brake lights share the same filament in the bulbs (and the same wire). The wire on the turning side has to first travel through the flasher relay.
If you have a test light, first check for power out of the brake light switch with the pedal depressed. Then check for power in and power out at the turn switch connector-power in on the brake light wire and power out on either of the wires going to the rear bulbs-if no power out, the turn switch is bad-brake pedal still depressed so you still have the signal.

Sep 17, 2013 | 1986 Ford Ranger 2WD

2 Answers

Brake lights dont work, changed the fuse its was ok, changed the switch on the pedal , still not lights. flashers work, turn signal work, but not the brake lights. where to look next


Hi, your van does not use the signal filaments for the brake lights. You must have a wiring issue. Check for power at the brake light switch. If you have power there, the wire is broke from the switch to the S304 junction. If there is no power to the switch, the wire is broken between the fuse box and the switch. Please let me know if you have more questions, and thanks for using FixYa.

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Aug 27, 2011 | 2003 Dodge Caravan

2 Answers

My lights brakes doesnt work


My brake lights dont work when i press the brake pedal. i have checked the bulbs, fuse and replaced the brake switch. still not working. what should i do?

Mar 03, 2011 | 2001 Mazda 626

2 Answers

No brake lights


Possible blown fuse or bulbs need replaced. Also check to see if the switch at the top end of the brake pedal's arm activates when the brake is applied. If it doesn't you'll need to replace it. Good luck

Oct 16, 2009 | 1998 Dodge Ram 1500 4WD

3 Answers

Changed fuse and brake light still doesnt work


Did you check for voltage at the light socket before replacing the fuse?
Was the fuse blown? If so, you need to find out why it blew. (fuses do not blow for no reason) If not, why did you replace it?

Did you check for voltage in and out of the brake switch? Brake switch failures are common on Dodge trucks. There should be voltage going in, but none coming out the other side until the brake pedal is depressed. If there is voltage going in, the fuse is not blown. If there is still no voltage on the other side when the brake pedal is depressed, then the brake switch is your problem-child.

The next step is to check for voltage in and out of the multifunction switch. (turn signal switch) The brake lamp voltage is switched on and off by the turn signal switch. Failure of the turn signal switch can cause a "no brake light" symptom. This is a common failure among most makes of vehicles. This failure can often be verified by stepping on the brake pedal and wiggling the turn signal switch. If the brake lights flicker on and off while doing this, the mutifunction switch needs to be replaced.

Oct 10, 2009 | 1994 Dodge Ram

2 Answers

Brake lights don't work


Check the Pedal switch near the brake pedal.

Sep 01, 2009 | 1989 Ford Escort

3 Answers

Brake lights do not work All bulbs have been replaced.


Troubleshooting Procedures - Read Completely Before Beginning
(American Car) All Brake Lights Not Working
  • Check System Fuse: A fuse is used to protect the brake light circuit from amperage overload. If the fuse has failed it will not allow the electrical current to continue to the brake lights. To check the fuse, first locate the brake light system fuse in the fuse panel which is either under the dash or under the hood in the power distribution center. Connect the test light to a ground like an engine or dash bracket and turn the ignition key to the "on" position. Using the test light probe both sides of the fuse. If the test light illuminates on both sides the fuse is ok continue onto the next step. If one side of the fuse illuminates the fuse has failed and needs to be replaced. If the fuse fails as soon as it is replaced or when you apply the brake pedal the brake light electrical circuit is shorted to ground. Rarely a system short can occur, a car repair manual is needed to find the wiring schematic for the brake light circuit. Once the brake light wiring has been located inspect and repair as needed.
  • Check Brake Light Bulbs: All cars have three brake light bulbs that create the brake light illumination affect. If all of these brake light bulbs fail no brake light operation will occur. I know what you're thinking, you might say all three brake lights at once? But in reality one brake light went out at a time and you did not notice. People only tend to notice something when they almost run into the back of your car to help persuade them to inform you the brake lights aren't working. Remove any of the brake light bulbs to confirm the bulb is ok or burned. After the bulb has been removed inspect the filament and replace if failed. If the brake light bulbs are ok continue to the next step.
  • Checking the Brake Light Switch: A control switch is used to connect the brake light electrical circuit. This switch is located near the brake pedal lever. Basic switches have just two wires, power in and power out to the turn signal switch. Use a test light that is grounded and with the key in the "on" position test for power at one side (wire) of the switch, then press the brake pedal while testing the opposite side (wire). It should illuminate the test light, if electrical power is connected through the switch go to the next step. If no power is detected through the switch the brake light switch has failed and replacement is required. If your car is equipped with more than two wires integrated into the brake light switch a car repair manual is needed to locate the proper brake light circuit wiring.

Jul 07, 2009 | 2000 Jeep Grand Cherokee

2 Answers

Turn signals work but the brake lights do not how do i get them to work? i already changed the flasher.


I have a 2001 Ford F150, my brake lights dont work. Ive replaced the bulbs, checked the fuses,and the brake switch on side of the brake pedal was replaced. I still dont have any brake lights. My third brake light works fine, along with my running lights,flashers, blinkers.

Jun 18, 2009 | 1985 Ford F150

2 Answers

Brake light dont work


check the fuse for the brake lights. The brake lights and siganl lights use the same bulb filament. The parking and running lights use a dimmer filament in the bulb. There are 2 filaments.
Your brake lights work through the multifunction switch which operates the signal lights. If the signal lights work, you may have a bad brake lamp switch which is on your brake pedal arm.
Let us know what you find.

Mar 20, 2009 | 1998 Lincoln Town Car

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