Question about 2004 Chevrolet Cavalier

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Brake lights My blinkers are working but my brake lights aren't working. We have checked the fuses and bulbs.. Do you think its the brake light switch???

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This is a good possability, test the brake lite switch to see if you have power coming out when the brake is applied. if you do then you will need o trace the wiring back to the lite socket ( pig tail ). Good luck and remember to rate all replies you get. Thanx.

Posted on Oct 29, 2008

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2 Answers

My brake lights and rear blinkers are not working. I have replaced the bulbs in both brake lights. What next?


most blinkers uses relays, and when they flashes fast one light is out, but you replaced your burnt bulb might be a bad relay.

Sep 17, 2012 | 2007 Hummer H2 SUT

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I have a 91 ford f150 and the brake lights wont work and the rear right blinker is dim. Can you help me?


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 okay 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 okay or burned. After the bulb has been removed inspect the filament and replace if failed. If the brake light bulbs are okay 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.

Nov 05, 2011 | 1991 Ford F150

1 Answer

I have a 1990 Mercury Cougar. Several problems...Blinkers, hazards, horn, and break lights are not working. However the break light in the back window comes on when the break is pressed. Checked fused and...


I am unaware of what a "CO" display is.
Now with the blinkers, hazard, horn and brake lights not working that may be the multi funtion switch (blinker switch) that is located inside the column (where the blinker lever attaches).
Obviously the blinker, hazard and horn will all work off of something in the column. Brake lights, you may think a switch on the pedal.

the brake lights do work with that switch but when you have the kind of tail lights where a turn signal light shares the same bulb as a brake light, the brake light is cancelled for the turn signal by running through the multi function switch inside the column.
The third brake light does not blink so its not on that same circuit.

Oct 07, 2011 | 1990 Mercury Cougar

2 Answers

Short in blinkers. brake lights work


i think you have a bad earth connection check on the back body where the lights are mounted, im sure you have poor earth connection. i hope it helps,

Apr 15, 2010 | 2000 Ford Expedition

1 Answer

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

Aug 29, 2009 | 1993 Chevrolet Astro

1 Answer

98 expedition trailer brake and blinker lights stopped working


check you bulb and there sockets its possible that you burned out one of the two

Aug 20, 2009 | 1998 Ford Expedition

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

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