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