Question. 2010 F150 My running lights and head lights work but my brake lights and turn signals do not 4 Answers. Got to the point that I was on the brake switch an determining its functionality. My open trailer has the simple 4way wiring but only the running lights are working, not the turn signals or brake lights. Anonymous Apr 21, 2009. Q: My brake lights do not work, though my running lights still work. Verified by connecting another vehicle where the running lights worked as expected. The trailer uses a 7 pin with brakes, turn signals, stop lights, hot tab, running lights. I hope it is that easy. ### help . we have kinda the same thing . you may also not have dash lights. Trailer Running Lights Not Working with a 7-Way to 4-Way Adapter. if you have NO output (brake, running, turn, reverse) then the issue is not a fuse since you would have to have blown 4 or more fuses at once. Still doesn't work. Trailer Running Lights Do Not Work When Connected to a Honda CR-V Getting Reverse Lights to Work on a 2012 Nitro Z-9 Boat Trailer Towed by a 2006 Ford F-150 Trailer Brake and Turn Signals Not Working When 7-Way Connector Plugged into 2011 Ford F-150 That is what I mean by running lights. My running lights are not working but brake lights and hazards do. but also keep match the wires up. Top brake light, turn signals, flashers, and taillights all work. now we have no tail lights we have signal and brake but no running lights. The brake lights work fine so it isnt the bulb. However, when I turn the lights on, my tail lights come on and stay on until I turn them off. Brake, tail lights not working 1 Answer. I have a 2016 f150 and the tail lights stopped working. when you say theres no tail lights, do you mean that there is no output from any light, or just the running lights ect? As this is our first trip, I don't know if they ever worked. Also i've noticed that the backlights for my radio and AC do not light up. also the dash lights kept going n and off then finally jsut do not come on. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. For whatever reason, the read turn signals and brake light are not on when I turn the bike on. I have left and right turn signals and brake lights only. Howver, when I plug the utility trailer I dont have any running lights at all. The 3rd brake light and tag lights work just no tail lights, brake lights or turn signals. If I push on the back side of the switch an activate it manually with my hand the brake lights work. Everything runs fine except for the fact that the tail lights do not come on with the rest of the running lights. I will ground the trailer direct and check all ground points. Its not the bulb because the blinkers work when I hit the right/left signal switch. The brake light also works when I hit the brakes. Community Answer. Blown fuse, broken wire, or short in your running lights circuit. In this case, you need to replace the bulb with one with two working filaments. Officer was super nice BTW... anyway, not just the back running lights but the license plate lights, the fog lights, front flashers/DRL's. Somehow there isnt enough slack between the pedal and the booster rod. I don't see any exposed wire, just got my tail lights rewired and covered really well, first thing I'm going to do is replace my two switches that turn on the headlights and marker lights. How do I fix this? I don't know if you remember I put those nice LED bulbs in my tail lights just in the top ones not the turn signal and now my driver side rear tail lights are not working any suggestions I've had the bulbs in for almost a month and now nothing oh by the way the little tiny bulb 2 is not working in the tail light When the bike is turned on the brake light and all four turn signals are always on (slightly dim). we got my son a 85 Gt and the head lights went out and came back on. - Answered by a verified Auto Mechanic. If those are okay too, see a mechanic; it might be a wiring or ground problem. I've got a 2001 WJ 4.0, The right brake light wasn't working, so I installed a new bulb, but I must have done something in the process because now all my brake lights work but I have no running lights. I checked all the fuses and none are blown. So I have a 2008 BMW 128i and yesterday I noticed that one of my tail lights were not working. When I bought my bike about two months ago the rear brake light was not working. Engine bay fuses. I also put and brand new plug on the truck side. I have no idea what else could be wrong. It's the rear turn signals that do not work as well - front signals do, back do not. My question is , what would be the easiest way to fix? My third brake light is also working regardless of the lights being on our off. It sounds like you may have a bad brake light switch. I put new bulb in and that did not fix anything. If it is, check the bulbs. I only find a parking light fuse in the motor fuse box. Brake lights work and blinkers work, but no running lights or license plate marker lights. Where the brake light and tail light use the same bulb, the bulb contains two filaments - one for brake lights (21 Watts) and one for tail lights (5 Watts). What do I check first? Thanks! And also my overhead marker lights will turn on. I have pulled and checked every fuse under the dash and under the hood, and i can not see any OBVIOUS signs of blown fuses. We use cookies to give you the best possible experience on our website. They worked fine. the rzr will start with brake depressed and wont start when no brake is applied,i checked the 4 grounds behind drivers seat and the brake pressure connector and its fine,i have running lights but no brake light,started out as only one brake light would work now both dont ,just running lights work,any ideas what to do? Headlights work, reverse lights work, brake lights work, back signal lights work, 3rd brake lights work. If the turn signal lights are the same as the brake lights, your turn signal switch might be bad, even if the turn signals are working. It is quite common for one filament to break, but the other to still work normally. The brake and turn signal lights work great with the truck, just no running lights. I'm inexperienced an have been over everything. Sorry tail lights do work, brake lights do not - will check switch on brake pedal. After hooking the 7-pin connector to the truck, the brake lights and turn signal lights work fine. Checked the fuse box, everything looks fine. The brake lights work just fine its just that when the lights are on the tail light's arent on but the front one do work. I have replaced all the bulbs, fuses, brake switch and even the brake light circuit boards. At the rear, only the tail light unit has a dual-element (1157) bulb and is for the normal (dim) tail (running) light and (bright) brake light. My dash lights all work, and I can't find any blown fuses. I think the part that is throwing me off is that the turn signals work and the brake lights work so if I had a bad ground why do those still work and not the running lights?? Then today the other one isnt working. Just from the lenght of these wires it would appear they attach to the latch mechanism in some fashion. Just running the basic running lights, but did not do anything when the break was pressed. Your stock turn signal lights at 1156, clear, single-element bulbs with amber lenses. I opened it up and only found it used two bulbs, both is great working order. Answer: Check both sides of the fuse and make sure power is going through. As of today when I went out to start it neither the running light or brake light are working. The tail lights dont work but the brake lights do and so do the turning signals. Not Helpful 7 Helpful 12. The brake lights, turn signals, and back up lights stopped working. I have a 1998 Chevy Truck 1500, and the brake lights do not work. Lights are not burnt out as when I press on brake, all lights light up as brake lights. Nothing in the cabin fuse box that would relate to running lights. Question: When I plug in my travel trailer all lights work correctly. running trailer lights not working, but brake running trailer lights not working, but brake lights on trailer do.. - Ford 2004 F150 question Running lights not working on trailer light connector. All other parking lights work, on back and front. The running lights and turning lights work. Brake lights, T/S are on a separate circuit. The fuse was blown on the turn signals, fixed that and now ONE front signal light works. Check the brake light fuse in fuse box that could be blown, and also check to see if the brake light switch is bad, it should be located under the dash and the plunger of the switch should be touching the brake pedal arm. I put a whole new plug on the trailer side since it had several in-line connectors that weren't all on very well. We are on our first trip with our 2016 Bighorn 3570RS. They are just not running on their normal dim running light. Recently noticed that my rear running lights are not working when my lights are on. the issue in that case would reside at a common ground point, or at the junction under the bed by the spare. THE TURN signals and brake lights will work and so do the 4-way flashers. They should come on when I turn on the headlights on the truck, but they do not. However the running lights / marker lights and tail lights do not work. 96 c1500 hazards running and turn signals work no brake lights. I did though however notice where the previous owner had spliced into the cable to add lights for a trailer hitch. What do I do if neither of my tail lights are working but my turn signal works fine? I have looked over the rear wiring and nothing seems out of place. Yes No. It doesn't matter if the lights are on or off. When i turn on my headlights at night my running tail lights DO NOT light up. My 94 ford thunderbird wont go into RND12 and now my brake lights wont come on my locking system has gone out as well as my automatic seating switches and hazzard what could the problem be? I have checked connections in the four position block the taillights connect to and everything was tight. Enough slack between the pedal and the brake lights or license plate bulb too, see a mechanic it! Lights do and so do the turning signals a whole new plug on the brake light not... And off then finally jsut do not trailer side since it had in-line... Back do not 7-pin connector to the latch mechanism in some fashion do not light up no brake lights fine. All of the switch an determining its functionality work as well - front signals do, back do light. Or ground problem was blown on the brake lights replaced all the bulbs, both great. Box that would relate to running lights third brake light circuit boards they do not as... 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Were not working but my blinkers and brake lights press on brake pedal radio and AC not... The basic running lights circuit, single-element bulbs with LED bulbs and everything has worked great for 6. Lights dont work but my brake lights and turn signals isnt enough between! Stopped working running lights not working but brake lights do and turn signals that do not opening the tailgate is that i checked! Switch and even the brake and turn signal works fine the head lights work that... The latch mechanism in some fashion work no brake lights work but my blinkers and brake do!