2000 Town Car. This is the 3rd time that I have problems with one of the wires going to the brake light switch in less than 3 years. Was there a recall referencing this problem, or just a coincidence, or what? There is more than enough wire to prevent any kind of stress on the wires when I depress the brake pedal.
The wire is not really burned or anything like that, It tends to break right behind the end of the connector.
Is there a permanent (or at least a better resolve) solution to my problem?
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Re: brake light switch wiring keeps breaking
They make a repair connector in the aftermarket, call Ford parts and see if they have one or can get one from a supplier, other than that I am not aware of any Factory fix, I worked on Ford's 20 years at a dealer, saw this allot, esp on cars used in stop and go traffic like city driving.
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Try replacing the brake light switch under the brake pedal. If the other lights are working it is not the fuse. If this does not fix it then the problem is most likely a short in the brake light switch wires.
Hi William, To begin, the usual color coding on American vehicles is black is ground. To test this, take a long length of cable and a test light. Connect one side of the test light to battery positive and and the other cable connect to the black wires one at a time. If the light comes on normally you have proved the ground connection, then do the same with the other. Next connect the test light to the green cable and the other cable to the black. Press the brake pedal and observe if the light illuminates. If all is well, connect the black cable from the third brake light to the black cable of your car and the red cable from the after market brake light to one green cable from your car an insulate the other. Then go ahead and mount the third brake light. Regards John
The wires going into the right hand rear brake light has a red,green wire with a silver band. This is the wire that powers the 3rd brake light. Disconnect the wireing plug from the light fitting and meter out the red/green and silver wire from there up to the 3rd light, this will prove if there is a break in the wire ( most likely are is inside rubber grommets at tailgate hinge. ) This will prove the wiring. I got a spare piece of wire and ran a jumper cable from the silver track on the light fitting relating to the green red and silver wire ( top left track ) to the light fitting and another wire to earth, activated the brake and the light came on proving a break in the wire.
check and see if the brake light work, if not replace the brake light switch, they are a problem in this year, also make sure the wires to the swithch are not broken inside the plastic insulator near the switch, use a 12 volt test light to check the switch which is located at the top of the arm the brake pedal is connected to..
manually move the brake switch you installed and have someone check if its comes on at the back...if not ..test for voltage at LG/RD wire- both terminal and wire- if no voltage = Fuse #10/ 20A , #20/ 7.5A, #22/ 20A at the CJB, if good test for voltage at the sockets- both terminal and wire- ......if you get BRAKE lights and still can't move the shift lever... look on the steering column at the SHIFT LOCK ACTUATOR and test that or replace it....hope this helps you..GL