The most common reasons why brake lights don’t work, but tail lights are working include: Bad Light Bulbs. Bad Brake Light Switch. Broken Fuse Or Fuse Box. Bad Sockets and Connectors. Broken Wire. As you can see, there are a few different things that could be going on if your brake lights don’t work but your tail lights do. Remove three screws over the lens, pull surround towards you. There are three clips along the bottom. Unplug the hatch/trunk button from the backside. Four 8mm screws/nuts on the corners. You'll see the harness on the top. Pry the clip gently and release the harness. 3,218 Answers. The brake lights/signal lights/hazard light circuit all run through the signal light/multi-function switch. You can try gently moving the switch slightly up or down to see if the signals may light up or blink. These switches are common for failure. Posted on Aug 03, 2015. Sue Frampton Aug 03, 2015. DOCFIXIT. There is GEM module that could be out but first remove all running light bulbs to see if any of the sockets are melted. here is the running light wiring diagrams so you can see how the system works and a guide to help you test for a short. Here is the GEM module location in case it needs to be replaced. Check out the diagrams (Below). Buy Now!New Tail Light Set from 1AAuto.com http://1aau.to/ia/1ALTP00315In this video, 1A Auto shows you how to repair, install, fix, change or replace a brok . Buy Now!New Tail Light Set from 1AAuto.com http://1aau.to/ia/1ALTP00315In this video, 1A Auto shows you how to repair, install, fix, change or replace a brok Turn signal tail lights and BRAKE LIGHTS NOT WORKING. It can be faulty brake light switch causing the problem or its blown brake light bulb. First check and confirm brake light lamp is working and that's not the case. For turn signal not working it can be faulty turn signal switch or its issue with wiring:----===== The broken filament inside the bulb is a sure reason why your tail light is not working! #3. Bulb socket problem. It is a good idea to check out your socket after you pull out the tail light, so you don’t have to do it again. While at it, after taking the bulb out, use a multimeter to check if it is getting any current. Dash board light not working along with tail light. Sep 07, 2012 • 2006 Ford F-250 Super Duty. 3 helpful. 2. This problem is caused by one of the door ajar sensing switches being defective, it is a common fault in Many Ford cars and light trucks. Each door has a switch and two at the tail gate door. The switches are attached to the side of the bulbs are dual filament. get to autozone and pick up a pair of the tail light bulbs for the focus, i believe its 3157 but don't hold me to that. ask the parts counter to make sure. swap them in and see if that fixes it.

ford focus tail lights not working