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if fuses are good then check the brake light switch. one wire should have battery voltage all the time and power on the 2nd wire only with the brake pedal is pushed. if you have no power on the 2nd wire but on the feed wire then the switch is bad. if you have power going into the switch and out then you will have to check for a brake in the wire going to the rear brake lights. check the ground for the sockets if diagnosis goes this far.
REPLACE BRAKE LIGHT SWITCH ! CHECK FUSES, CHECK ALL BRAKE LIGHTS , AND THERE CONNECTIONS, SOCKETS, BRAKE LIGHT SWITCH @ BRAKE PEDAL, MAY HAVE COME OUT OF BRACKET IT MOUNTS INTO ! SWITCH COULD BE BURN OUT ! CHECK GROUND WIRES , VERY IMPORTANT ! TEST FUSE CIRCUIT W/TEST LIGHT, WHERE FUSE PLUGS INTO .....
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?
CHECK THE BRAKE LIGHTS HAVE A ASSISTANT OPERATE BRAKES TO SES IF BRAKES LIGHTS WORK WHILE APPLY BRAKES BECAUSE BRAKE LIGHT SWITCH DEACTIVATES THE CRUISE CONTROL.IF BRAKE LIGHTS DONT WORK.CHECK FUSE IF BRAKE LIGHT FUSE IS GOOD.THE BRAKE SWITCH IS BAD OR HAVE A OPEN FROM FUSE BOX TO THE SWITCH.IF BRAKE LIGHTS WORKING.THE DEALERSHIP HAS TO SCAN VECHICLE BECAUSE CRUISE CONTROL SYSTEM IS CONTROLLED BY A SERVO MOTOR MOTOR, BRAKE SWITCH ,CONTROL SWITCHES ,SPEED SENSORS AND RELAYS. SEE YOU HAVE TO HAVE VECHICLE SCANNED YOU HAVE TOO MANY CONTROL DEVICES.
Just had a similar problem. Brake (stop) lights and horn didn't work. Couldn't find mention of stop lights in fuse chart. Found horn fuse to be slot 21 in the engine fuse block (not the fuse block in car interior). Replaced 15A fuse and all now ok.
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.
check the wire harness that runs from inside the trunk on the drivers side follow it down to the tail light and make shure the wires are not damaged or unplugged remove cover on the drivers side inspect the bulbs the holders and the wires and dont forgt to retighten all grounds that you find on your travels this should get the rear tail lights working also check the brake pedal switch up on the metal part of the brake pedal arm follow it up tp the brake pedal switch and acuate the switch by hand and check the wire voltage coming in and going out when pressing the brake pedal ok give this a shot
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