Both of my brake lights went out at the same time... I think I changed the right fuse but not positive... Any other ideas on what could be the problem?? It's not the lights because I tried replacing those also.
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Re: Brake lights won't come on!!
Read your fuse box cover...itll tell you which fuse is which. could also be a fuselink in the rear that connects the two sides may be blown. thi is in the wiring under the truck,and would need to be cut out and a new one spliced in.
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Does your car have the `lamp out'indicator system? It's more complicated. My manual shows fuse #28 , a 15 amp fuse powers the brake bulbs.Is this the one you changed? A bulb can be out for a long time and you don't notice it,then the other burns out and you think they both went out at the same time,but they might not have,see? So check the bulbs and make sure you got that brake switch installed correctly. don-ohio (:^)
The brake switch will stop all current to the brake lights. As soon as the brake pedal moves just off of its fully up position, the switch makes contact and passes current on to the brake lights. You can operate it by hand to check if everything is right. izzit adjustable? The switch is the last thing in the path to the brake bulbs, so it has to work right, right off the brake pedal!
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.
Maybe you blew solid state module. There is a manual bypass.
Shift Interlock System
A shift interlock mechanism prevents shifting the transaxle out of the PARK position unless the brake pedal (2455) is applied. The shift lock actuator is energized when the ignition switch is turned to the RUN position.
This locks the shifter in the PARK position.
When the brake pedal is applied and the stoplight switch (13480) is activated, the shift lock actuator is deactivated and the shifter can be moved out of the PARK position.
You have to check the brake light switch which should be around the brake pedal on the upperside.
Ones located rremove the wires tht go to the switch and jump them by using a piece of wire, thn check if the brake lights come 'on'. If they do , thn its the switch tht may need replacing or even sometimes adjusting inorder to operate.
Hope this helps.