If it is, check the bulbs. 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. so we replaced fuse, that didnt work, next was the switch, that wasnt it so we bought a extender wire harness { they were so short. } Nothing in the cabin fuse box that would relate to running lights. Also i've noticed that the backlights for my radio and AC do not light up. The fuse was blown on the turn signals, fixed that and now ONE front signal light works. After hooking the 7-pin connector to the truck, the brake lights and turn signal lights work fine. And also my overhead marker lights will turn on. Question. I put new bulb in and that did not fix anything. 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? The thing is, I tried using a replacement tail light even use a whole different replacement tail light dock thing but it still didnt work. we have kinda the same thing . For whatever reason, the read turn signals and brake light are not on when I turn the bike on. My question is , what would be the easiest way to fix? The tail lights dont work but the brake lights do and so do the turning signals. Hope this helps, Mike That is what I mean by running lights. Question: When I plug in my travel trailer all lights work correctly. Q: My brake lights do not work, though my running lights still work. Brake, tail lights not working 1 Answer. When the bike is turned on the brake light and all four turn signals are always on (slightly dim). In this case, you need to replace the bulb with one with two working filaments. THE TURN signals and brake lights will work and so do the 4-way flashers. 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. Re: brake lights & turn signals work but not running lights, which color wires are th yah, white is bolted to the trailer or wired to each light black is your running lights and side markers[also may be brown] then green and yellow are blinkers. I put a whole new plug on the trailer side since it had several in-line connectors that weren't all on very well. When i turn on my headlights at night my running tail lights DO NOT light up. My brake lights are not working, but all of the other lights are. 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 Top brake light, turn signals, flashers, and taillights all work. The running light was working when I bought the bike. 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. My running lights are not working but brake lights and hazards do. Brake lights work and blinkers work, but no running lights or license plate marker lights. the issue in that case would reside at a common ground point, or at the junction under the bed by the spare. ### help . when you say theres no tail lights, do you mean that there is no output from any light, or just the running lights ect? The trailer uses a 7 pin with brakes, turn signals, stop lights, hot tab, running lights. I installed LED rear lights in my 2010 F150 and loved them. running trailer lights not working, but brake running trailer lights not working, but brake lights on trailer do.. - Ford 2004 F150 question What do I do if neither of my tail lights are working but my turn signal works fine? I will ground the trailer direct and check all ground points. Now my lower brake lights do not work, but the fuse is good. 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. I have checked connections in the four position block the taillights connect to and everything was tight. My dash lights all work, and I can't find any blown fuses. Answer: Check both sides of the fuse and make sure power is going through. I have no idea what else could be wrong. I have a 1998 Chevy Truck 1500, and the brake lights do not work. I took my tester and checked all those fuses and all show 0 Ohms but maybe I will pull them out and check them over or see if there is a continuity problem between the fuse and the fuse slots. Just running the basic running lights, but did not do anything when the break was pressed. Checked the fuse box, everything looks fine. Recently noticed that my rear running lights are not working when my lights are on. Not Helpful 7 Helpful 12. Your stock turn signal lights at 1156, clear, single-element bulbs with amber lenses. Everything runs fine except for the fact that the tail lights do not come on with the rest of the running lights. but also keep match the wires up. 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. Still doesn't work. I'm inexperienced an have been over everything. Running lights not working on trailer light connector. Officer was super nice BTW... anyway, not just the back running lights but the license plate lights, the fog lights, front flashers/DRL's. They are just not running on their normal dim running light. We are on our first trip with our 2016 Bighorn 3570RS. It doesn't matter if the lights are on or off. The running lights and turning lights work. As of today when I went out to start it neither the running light or brake light are working. If I push on the back side of the switch an activate it manually with my hand the brake lights work. First, check if the fuse is still okay. now we have no tail lights we have signal and brake but no running lights. The brake light also works when I hit the brakes. Engine bay fuses. All other parking lights work, on back and front. The brake lights, turn signals, and reverse lights all work. 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. Anonymous Apr 21, 2009. They should come on when I turn on the headlights on the truck, but they do not. The brake and turn signal lights work great with the truck, just no running lights. The brake lights, turn signals, and back up lights stopped working. What do I check first? As this is our first trip, I don't know if they ever worked. Verified by connecting another vehicle where the running lights worked as expected. I have left and right turn signals and brake lights only. I checked all the fuses and none are blown. I have looked over the rear wiring and nothing seems out of place. Trailer Running Lights Not Working with a 7-Way to 4-Way Adapter. 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 I opened it up and only found it used two bulbs, both is great working order. Blown fuse, broken wire, or short in your running lights circuit. Howver, when I plug the utility trailer I dont have any running lights at all. They worked fine. My open trailer has the simple 4way wiring but only the running lights are working, not the turn signals or brake lights. 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 have checked for a bad fuse but all looked good. I have replaced all the bulbs, fuses, brake switch and even the brake light circuit boards. 2010 F150 My running lights and head lights work but my brake lights and turn signals do not 4 Answers. Thanks! Just the two rows that function as both break and running lights. I have a 2016 f150 and the tail lights stopped working. One thing i have noticed upon opening the tailgate is that i have some loose wires after the license plate bulb. 96 c1500 hazards running and turn signals work no brake lights. Then today the other one isnt working. My third brake light is also working regardless of the lights being on our off. what to do? Headlights work, reverse lights work, brake lights work, back signal lights work, 3rd brake lights work. It's the rear turn signals that do not work as well - front signals do, back do not. I am trying to remember what fuse does this but it is a fuse and i think it's under your hood. we got my son a 85 Gt and the head lights went out and came back on. Somehow there isnt enough slack between the pedal and the booster rod. 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). I also put and brand new plug on the truck side. I dont know where to go from here. So I have a 2008 BMW 128i and yesterday I noticed that one of my tail lights were not working. It is quite common for one filament to break, but the other to still work normally. also the dash lights kept going n and off then finally jsut do not come on. Community Answer. 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?? The 3rd brake light and tag lights work just no tail lights, brake lights or turn signals. Its not the bulb because the blinkers work when I hit the right/left signal switch. I have the opposite problem in that my running lights work but my blinkers and brake lights do not. We use cookies to give you the best possible experience on our website. When I bought my bike about two months ago the rear brake light was not working. Sorry tail lights do work, brake lights do not - will check switch on brake pedal. Click to expand... Did you check all fuses? you may also not have dash lights. It sounds like you may have a bad brake light switch. Yes No. Brake lights, T/S are on a separate circuit. However the running lights / marker lights and tail lights do not work. 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. The brake lights work fine so it isnt the bulb. I did though however notice where the previous owner had spliced into the cable to add lights for a trailer hitch. Lights are not burnt out as when I press on brake, all lights light up as brake lights. If those are okay too, see a mechanic; it might be a wiring or ground problem. 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? I only find a parking light fuse in the motor fuse box. I hope it is that easy. Just from the lenght of these wires it would appear they attach to the latch mechanism in some fashion. 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. A trusty multimeter indicated no voltage on the running light lead. So I replaced my headlight bulbs with LED bulbs and everything has worked great for approximately 6 months. 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