My Oldsmobile Brava brake lights aren't working, new bulbs and fuse.
I replaced both of the bulbs and checked all of the fuses which relate to the brake lights. All the fuses are good and the lights still will not work. The tail lamps themselves light up but when I apply the brakes they do not get brighter. What could this be?
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Re: My Oldsmobile Brava brake lights aren't working,...
Have you checked the brake switch under the drivers side of the dash?
There are fairly simple to check. One wire should have power all the time. The other wire should have power anytime the brake pedal is depressed. If there is no power out and power in the switch is bad.
If there is no power in than there is an issue with the wiring.
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Go to your brake pedal and see if your brake switch is working properly,push it in with hand and see if switch engages and releases when you let up on pedal.It is adjustable.Also check your bulbs to see if the bulb holder is corruded.Check wiring around bulb too.
You either have a bad brake light switch or a bad fuse that powers your brake lights. Go to your fuse panel and check the fuse first. If it checks good then check the brake light switch. The switch will be located on the brake pedal at the top. There should be two wires into the switch. One will have power at all times. as you depress the brake pedal it makes the connection in the switch to the other wire which then sends power to the brake lights and illuminates the bulbs. Use an electrical tester to make sure you have power in and power out when the brake pedal is depressed.
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.
check all the fuses with a meter , not just by sight, then, look under the hood for the fuse block there, check those fuses also, especially the main fuses, 30 amp and above,, with any luck he didn't blow out your computer
the flasher doesn't have a fuse, its a flasher unit, a relay in a little box or can , located usually behind the fuse panel on the drivers side kick panel,, up by the dash , if your break lights aren't working, first check the bulbs, if they check ok, check the switch at the top of the brake pedal arm up under the dashboard,,