Question about 2003 Ford F250 Super Duty Crew Cab

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BACK BRAKE LIGHTS DONT WORK

THIRDLIGHT WORKS. REPLACED BULBS BRAKE SWITCH ALL FUSES ARE GOOD.WHATS NEXT

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Pls Check Wire Connectivity.

Posted on Jun 14, 2009

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Brake Lights dont work all the other lights do. Checked the fuses and replaced the bulbs but still no prake light. Can you help me please?


This is a common problem if all the wireing is good the next step is to replace the brake light switch located on the brake pedal arm.

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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?

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My brake, hazard and turn lights dont work, i


well u have two seprate problems the hazards and turn signals have a flasher that needs replacing if the fuse is good on the fuse box marked signals .and there is a brake light switch under the dash board near the brake pedal it has two wires on it check the wires make sure they are connected if so replace the brake light switch

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2003 Impala Brake lights dont work


The brake lights are routed through the signal light switch.
Looks like that will be the next switch to replace and the problem.

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Brake Lights and Hazard still dont work


TEST FRONT RIGHT BLINKER CIRCUIT AND REPLACE THE BULB,,WITH PROPER BULB...A DOUBLE CIRCUIT BULB IN A SINGLE SOCKET WILL DO THAT ALSO A SINGLE SOCKET BULB IN A DOUBLE SOCKET HOLDER....CHECK LEFT SIDE BULB FOR ACURANCY

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1 Answer

What do the relays and fuses look like under the hook of a 96 s 10 blazer. Someone said to check theses and how do you. My brake lights dont work and the 10A fuse under the dash is good and i replaced the...


Did you check or replace the brake light bulbs?
It is more common to have burnt bulbs than a bad brake light switch or blown fuse.
Do you have orange signal lights and red brake lights at the rear?
Then the signal light switch will not affect the brake lights.....but....
If they are all red and you use the same bulbs for brake and signal....the brake light wiring goes through the signal light switch and could be affected there.
First....check for power getting to the brake light switch......and leaving it with a test light.......then go to the rear....pull a light assembly and check for power getting to the bulbs.no power? follow the wiring back to the switch looking for a bad connection.
The fuses and relays under the hood are usually in a black plastic box labeled fuses and or relays.

Aug 12, 2009 | 1992 Chevrolet S-10

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

1 Answer

Tail lights dont work


Replace the bulbs.
The bulbs will have two seperate elements in it which is why the brake light works.

Take the bulbs out and you will see the seperate elements.

Jan 08, 2009 | 1995 Subaru Impreza

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