New trailer lights not working Truck is not detecting the trailer. You can tell your trailer lights require attention and maintenance if you See more When your trailer lights aren’t working, it can be a big headache and even a safety risk on the road. This WERNER TRUCKING OTR DRIVER EXPLAINS what you can d Trailer marker lights not working. International +1-989-755-0561 Take a look at the tow The left side and top light of the trailer work, as well as the blinker on the left. You Just bought a 2020 GMC 2500hd AT4, and am having an issue with trailer lights not working. The 4 pin coming from your tail light harness should connect to a 4 pin coming from the back of combo plug. Ground is achieved in one of two ways. A poor ground wire is the most significant I just had this problem. Keeping The Lights On. Lights worked. Navigate with our RV Safe GPS mobile app. Symptom . Jump to Latest has newer LED lights, one is an older trailer with simple two incandescent stop/tail lights. The trailer plug on your Dodge Ram isn't working means the trailer lights aren't working properly either. Trailer lights work as do blinkers but get fast blink on turn signals. The trailer lights worked before I replaced the plug. Took my truck and trailer to the dealership and they 1999 - 2016 Super Duty - Trailer lights not working - I have a 2015 Super Duty and my trailer lights will not work. Grab a test light and hook it to a There is one more thing to check that is a very frequent problem with trailer wiring: grounding. -THOR; Start date Jul 9, 2023; Tags sprinter trailer lights thor Jul 9, 2023 #1 JO. No brakes Checking continuity from the Brown/white stripe wire to the 7-pin should distinguish between a wire failure and, if continuity is good, the relay is not working. Checked the fuse (37 for the trailer plug) and all seemed to be in order. The test lights work as expected (running and signal lights). SAME Q&A: Left Side Trailer Lights Not Working With New LED Trailer Lights Installed; Video: Let’s Check Out the Dexter Electric Trailer Brake Assembly; Shop: Dexter Trailer Hub & Drum Assembly for 3,500-lb Axles - 10" Diameter - 5 on 4-1/2 - Pre-Greased; Shop: Dexter Electric Trailer Brakes - 10" - Left/Right Hand Assemblies - 3. I found a fuse position for "towing" which indicated there should be a 30 amp fuse there. I have a new to me F550. Plugged a 7 round to 4 flat tester in and ALL lights up just fine. Brent10wood; Oct 10, 2024; Audio & Electronics; Replies 1 Views 607. Affected parts: MN GLXR, Heavy Duty Factory towbar. The utility trailer is not new and I have recently bought LED lights for my boat trailer and I get every function on the RH side but I get nothing on the left, I have checked the wiring on the car and matched the wires on the trailer plug with the socket but still nothing,I checked with a circuit tester and everything seems to be okay at The plug , because I bought the lights already wired up this should be a standard Q&A: Left Side Trailer Lights Not Working With New LED Trailer Lights Installed; Shop: Trailer Hitch; Shop: Karrier ST185/80R13 Radial Trailer Tire with 13" Aluminum Wheel - 5 on 4-1/2 - Load Range D; Shop: RV Exterior Lighting; Shop: RV Interior Lighting; I can connect my trailer to a Ford or later model Chevy truck and the lights work. And, while this breaks away from my usual computer vi On my 2021 HD Sierra I got dash warning to check trailer lights. Used a test light and I have power in all the trailer plug wires at the same time, but no lights on the trailer. Bang, saw it right away. While these may be perfectly functional when the trailer is new, over time the seals around Dodge Ram trailer plug not working. connections are tight, both plug and socket are new. Turn on the lights of a trailer and Trailer tail lights not working? Make sure that each of tail lights is properly grounded. The boat trailer has its own issue that I will need to sort out, but the 4Runner has an issue with the tail light circuit. Dicked around a minute with plug. (The brake lights and directionals still worked). In order to do this I would try hooking your Dodge Ram 2500 up to another trailer with trailer lights Trailer lights not working when the headlights are On is due to debris around ground wires, corrosive ground connections, loose and poor fitting of ground wires, dirty connectors, greasy and painted ground connections, water entry Trailer Lights not working. Jump to Latest Hey guys I just bought a new trailer an I know the lights are good on the trailer since they worked when plugged into the seller's truck. When connected using the seven pin connector all trailer lights work great, no pulsing issues or fast signal lights, with my electric brake controller the Troubleshooting New LED Trailer Tail Lights Not Working as Running Lights . TIPM is a known issue but it's not always at fault. Trouble shoot and repair as needed. to/3du1GONWire C It's just a 5x8 utility trailer to carry my motorcycle so not blocking the truck's tail lights but still annoying. I ran the yellow and brown wires down the street side and Left Side Trailer Lights Not Working With New LED Trailer Lights Installed. However I have no lights on the trailer when plugged into my truck. Non-functioning trailer lights can have serious consequences, including: Troubleshooting New Trailer LED Side Markers Not Working - My lights on my trailer all worked until I changed the side marker lights to led. Follow the easy steps and tips to get your trailer lights back on when There are several common causes that can lead to trailer light failures, including Step 1 is to find out if the problem is in the tow vehicle electrical system, or if the problem is in the trailer wiring. youtube. I have been reading the posts concerning trailer lights and have not found the solution to my problem. Before you dive into testing & fixing trailer Q&A: Running Lights are not Working on a Trailer with a 4-Way Flat Trailer Connector; Shop: Brake Controller; Shop: Vehicle Tow Bar Wiring; Q&A: Signal and Brake Lights Work on Trailer but No Taillights; Q&A: All Trailer Lights When your trailer lights aren't working, your trailer is not working, and you are losing valuable time and money. Alter the broken fuses with new devices. In this article, I will discuss all the possible reasons why the trailer running lights are not working on your Ford F150 and how you can troubleshoot and fix them. MY2023 HPR Tremor Lariat Lux 360A , Ordered 9/20/22, Delivered 10/18/23 Ford rubber bed mat, Ford tailgate protector, smoke EGR visors, Rokblokz, Tyger T3 Tonneau, The first thing I would check is that it is indeed your truck and not the trailer. Over time, bulbs can burn out or become damaged, leading to issues with your lighting system. Fless. I have all exterior lights working but the interior lights dont work when hooked up to My 2007 Chevy Trailblazer. Using the following information and testing procedures, you should be able to locate and eliminate the most Not getting a good connection with one of those wires at the trailer socket will cause your light on that side not to work. Plan the best RV Safe travel with RV LIFE Trip Wizard. I have pulled several trailers and the lights seemed to work fine. The 4 pin connector is for trailer lights. I'm attempting to use the 7-pin plug and it's saying pin-3 is faulty (see picture). I put one in the slot and still no power on the 4 pin connector. Today I hooked the new trailer up and no lights, I then tried the other trailer and it has no working lights either. boatus. Your trailer may have LED lights powered by a 4-way plug, there's an improper connection to the truck wire, or insufficient ground power. 6. Its a wishbone set up so first I connected the white ground wire off the main plug directly to the tongue of the trailer with a screw. If there isn't voltage on this pin you are most likely missing the 40 amp fuse in the power distribution box and/or the The lights on new trailer not working as they should? LED trailer lights may blink or not work due to compatibility issues with modern vehicle CANBUS systems. Step 4: Inspect Trailer Plug. not sure if it is a fuse, relay or just needs replacement. Unhooked bolt that holds ground wire to frame. Changed out the bulb and still isn’t working. My trailer lights are not working. Video of Tech Trou Trailer Lights Do Not Light Up But have Power on All Wires - I hooked up a 12 volt car battery to work the trailer lights. Question: Hello, I just changed over my boat trailer lights to a new led set. Many standard trailer lights use traditional incandescent bulbs. When all the grounding is done perfectly, the bulbs are checked, and the bad wires are removed; if the The interior lights of your trailer would be powered by the 12 volt accessory circuit on the 7-way of your 2010 GMC Sierra. So I plugged into another trailer and Another source could rest with either the tow vehicle’s wiring or the trailer’s wiring. Also, the Treg doesn't like LED trailer lights - not enough resistance for the UPDATE: 10/22 Trailer running lights issue was solved by replacing # 25 fuse, located in slot 71 in the lower fuse box, under the hood. If you have access to a When I hooked up a different trailer the turn signals/brake lights work but not the tail lights. com/expert-advice/expert-advice-archive/2019/february/troubleshooting-trailer-lightsAre your boat trailer lights not working If the new trailer’s lights work when connected to your vehicle, then the problem should lie on your trailer’s side of the connection. both the turn signal pin and the tail light pin operated do the peanut bulb socket on the side but the bulbs will not light. Nothing seemed to work. . I can plug the exact same trailer into one of my other Troubleshooting Trailer Brake Lights Not Working. I now remember I have the same issue running, turns, brakes, trailer works with another truck . I've done the install following (almost) all instructions for my LED version of my badlands bronco. I have a 5 pin from the harness to a 7pin adapter (new and old adapter have been tried). G left blinker, Brake. In the first case, separate wires come out of each tail light assembly Watch the full video : https://www. Trailer lights not working as expected? This handy guide covers the steps to take when testing and troubleshooting trailer lights. Plug in the 4 flat from trailer and i get NOTHING!! Plug trailer into 4 flat on my 75 Ford F-250 and trailer lights work like a charm! Plug trailer into 4 flat on buddy's Ford pickup and lights work great !! Thought my 7 round to 4 flat converter was bad. Working trailer lights are not only a legal requirement but also essential for your safety and the safety of others on the road. Whether it’s a wiring problem or a blown Common Causes For Trailer Lights Not To Work. blazer-international. I just replaced the old wiring and lights on the trailer with a new Hopkins light and wiring kit #C6423. I checked the fuses that refer to towing but how can I tell if a relay is bad. John T. If you In this video we show where to start when diagnosing a non-functioning trailer light. , brake lights, turn signal lights, brake controller Don’t fret! I am here to help you fix the trailer tail lights. The location will vary depending on vehicle type and even Boat Trailer Lights Not Working? - I've got an easy fix for you that may be the problem before you start checking fuses, checking grounds, checking wire conn Can be that an adapter is required because it is LED Have the vehicle's plug checked though - had a case last week, Bosses brand new Fortuner lights not working with trailer - rewired trailer completely and still nothing - opened trailer plug on the vehicle and it was wired wrong way round, Fixed it and all was working 100% Inadequate ground power on the trailer or truck or an overload on the harness caused by too many lights. The connection to the car operates, there is power to both trailer lights, but the bulbs will not work. 5K Checking to the ground of Trailer Lights with Tow Vehicle’s Frame. Oct 10, 2024. The trailer has running lights while the ignition is turned off. 6. e. I have a 2007 trd with a factory installed reese hitch. I did the basics; changed trailer plug, redid trailer ground, checked and rechecked all fuses I could find in the van. Re-wire the trailer coupling (thought it was this trailer not wired correctly) - Check on car still no good Discover the reasons why your trailer lights may not be working and how to troubleshoot and fix issues such as blown fuses, corroded wiring, faulty bulbs, and loose connections. There seems to be a confusing info on here about the factory installed tow packages TRailer Trailer lights not working. I've replaced the trailer wire plug, since bare wire was showing just beyond the plug. Ground problems normally show up when there is more draw on a system such as when you have the running Trailer Running Lights Not Working – FAQS Do Trailer Running Lights Have a Fuse? Yes, the trailer running lights have a fuse. About Us. I have tested the ground and used a probe in the light sockets. You will want to check the 1:00 position of the 7-way on your truck with a circuit tester like part # PTW2993 to verify if there is voltage on this pin. We will show you how to check both. -THOR New Member. I tried a 7 pin to 4 pin adaptor and had the same results as just using the 4 pin. On my old Truck (2014 Chevy) the trailer lights worked fine. Understanding the common issues can help you get your trailer back in top shape. will have to pull the socket apart when I get home. The old lights used a self tapping screw going though the trailer metal as a ground. The trailer wiring is all new as I just fitted it with LED's and I have a 2018 Chevy Colorado LT 3. If you find damaged wires, repair them by splicing in new wire or using heat-shrink tubing for insulation. 6L V6 and a small utility trailer. All the other lights on trailer work fine. As a test, I've temporarily connected brand-new lights just beyond the new trailer plug. That will get you lights. http://www. No lights come on at all on the trailer. If either are bad, then you will have to re-wire the trailer or the vehicle to get proper Trailer Lights Not Working, Bought a new truck hooked up the boat trailer lights and they do not work. I spent a couple of hours the other night installing a new set of lights on the trailer and, as far as my electronically challenged mind can tell, all seems to be hooked up right. The marker lights on my truck work and so does all my other lights on the truck. SLIMaxPower Platinum Subscriber Posts: 500 Mitsubishi If your trailer lights are not working, you should find the main cause of this problem. 2020 Yukon Tail Light Trailer Lights Work On One Vehicle But Not Another - I checked the trailer lights by hooking the trailer up to another vehicle and they worked but only the tail, Q&A: Troubleshooting Right Side Trailer Lights Not Working, Left Side Working Correctly; Video: Installing the etrailer Trailer Hitch Receiver on your 2000 Chevrolet Silverado Re: "New" Led Submersible Boat Trailer Lights won't work Don't overlook the connection to the tow vehicle, just because another trailer works properly does not in any way confirm the connection to the tow vehicle is good, Electricity is funny like that, if it doesn't work properly it will try to find a way Clearance/New Old Stock. View attachment 22900 All the rest of my trailer lights on my camper seem to be working just fine (i. 4. The other connector has power when brakes, running/tail lights are on. All fuses are good and I used a multimeter on the plug and I have absolutely no power on any pin. In this section, we’ll explore the most common problems and their solutions. They’re essential safety features, keeping you and others on the road safe. When I plug up my trailer to my truck my running lights aren't working. com/ The lights on the trailer I tow with my XTerra have been spotty for a while, and recently stopped working. When I plugged in the new trailer harness 4 Flat to the factory connector on the bumper only the trailer running lights would work. you can get a new light and tools for the job here:LED Trailer Lighthttps://amzn. Imagine cruising down a busy roadway at night like 53rd Avenue Brand new rig with max trailer package you should have no reason to be troubleshooting wiring. I have a 2012 L322 and a 2019 holiday trailer I tow that has all LED lights. The trailer is fine. Is there a brake lights are all good on truck. Checked ground, replaced trailer wires, removed trailer running lights and even installed If your trailer lights aren't working properly, follow these steps to diagnose and potentially fix the issue. It appears I have two issues. Found bad grou Common Issue on Dodge Ram trucks, No trailer turn signal or Brake lights on one or both sides. If using different vehicles and trailers is not an Common Causes For Trailer Lights Not To Work. The white ground wire for Many LED trailer lights feature a 2 wire design (one for ground and one for power) and don The running lights on the trailer stopped working so I did some troubleshooting and found the issue to be with the TOW controller computer. When your trailer brake lights fail to function, it can be frustrating and potentially hazardous, especially on the road. If your trailer has brakes Troubleshooting Old Horse Trailer Lights Not Working Properly With Different Vehicles; Based on what you are describing, and the fact that this happens on both your Jeep and truck, you have a bad ground connection somewhere on the trailer. On another vehicle, the lights Hello to all! I am new to the site and am impressed with all of the good info. Before getting tools a test light out, hooked to a plug on another trailer. I know the lights work cause hooked to a friends 2008 Duramax they worked. Use a trailer, 4 days later hooked up again and no lights. Store Locations. Are jay the redneck fixes a bad ground on his trailer light. MENU. Faulty wiring or declining bulbs can cause various trailer light complications and cause your trailer lights not to work. In many cases it is just a simple fuse! Trailer wiring is an extension Q&A: All Trailer Lights Work Fine Except Brake Lights Will Not Work; Q&A: Trailer Lights Left Side Turn Signal and Brake Lights Not Working; Shop: Brake Controller; Shop: Trailer Hitch; Q&A: Troubleshooting Right Turn Signal Not Working on Trailer Taillights; Article: Wiring Trailer Lights with a 4-Way Plug (It's Easier Than You Think) For More Info visit us at: http://1aau. Poor ground connections are the most I definitely would recommend at least using the factory lighting because when the system see's trailer lights attached it turns off the backup proximity alarm but at least for me I'm going to use a aftermarket trailer brake Since the signal lights work, that tells me that the bulbs are fine. ) Everything should work fine new vehicles do not like things I realize 2 things: the first portion is a little darkI do add light after the first minute or two. Bought a NEW one. I currently have a 7 blade connector but would like to change it to a combination one with a 4 pin pigtail. But the only lights on my trailer that work are my break lights, hazards, and turn signals. New Ad-Free experience on this RV LIFE Community. I tried switching the lights to check if it was not a dead light and no, it is a wiring issue, or a fuse The trailer is a horse trailer (converted for mobile grooming). What else could be the issue? Last Chance for 2024 Savings! SAVE NOW Customer Troubleshooting Interior Lights Not Working for Enclosed Trailer - I just purchased an enclosed trailer with interior lights. the Read more at https://www. Thread starter John T. Another common cause of trailer lights not working is faulty bulbs. Another reason for trailer lights not working on one side is corroded connections. If you So I hooked to a 2011 interstate enclosed trailer and all of the exterior lights work properly but the interior lights don't come on. Whether you’re towing a dump trailer, car Discover the reasons why your trailer lights may not be working and how to Learn how to troubleshoot common causes of trailer light failure, such as ground, fuse, connection, bulb, and wiring issues. A bad or missing trailer ground is a VERY COMMON reason that lights don’t work on a trailer, or they If your trailer lights aren't working properly, follow these steps to diagnose and potentially fix the issue. But when I plug it in, I still have no lights. The Pin Heads Got Malformed. to/h/cMX/Did you recently connect a trailer to your car or truck, but the trailer lights don't seem to light up? There Just wondering if anyone has any ideas on why my trailer lights do not work! Issue: when trailer is plugged in only some lights work E. I have 2023 Chevy Silverado RST and when I hook up my trailer the L/R Blinker on the trailer do not work, the brake lights and running lights do work. My trailer is a brand new 2023 iron bull. The first thing that I would recommend checking are the ground connections for the trailer side connector and the lights. Before calling a professional, let’s troubleshoot the issue to identify the root cause. But when I connect my 2024 Silverado 2500 HD to my new trailer the lights do not work. My brake lights work fine, however the taillights do not work at all (I have tried the switch in all positions. Causes. What I have tried so far: 1. Nothing working with the rear lights. There are a lot of reasons that your trailer lights may not work. the trailer is attached 24x7. Anyone know if there is an issue with newer Chevy trucks and what the fix is for Troubleshooting License Plate Lights Not Working For Brand New Trailer - License plate lights went out on brand new tailer. If there is a grounding fault in the trailer wiring, the trailer lights may "appear" to work when the trailer is attached to one vehicle because a ground may be supplied through the ball & hitch mechanical connection. I towed with ours a while back and no issues, all my trailer lights worked like normal 2016 Tahoe Trailer Running Lights Not Working. Use a Multimeter. Go back to first trailer and ran jumper from frame to truck. I have installed a brand new trailer light kit. If the connections are corroded or dirty, then they can prevent power from reaching the bulbs. It's not something I would try at home, but a power outlet or battery I need some help in trying to figure out how to resolve the following trailer connector 'running lights'. Whether you’re towing a dump trailer, car hauler, or another bumper pull trailer, lights are just as important as a secure hitch and properly inflated tires. Trailer lights are important for road safety, and you are required by law to have adequate light fixtures when towing a trailer. com/watch?v=eQmB5YDpeYsAre your trailer lights not working on your 2018-2022 F250-F550? 🚗🔧 The culprit is likely If your trailer lights are not working, here are a few steps to determine if it is a grounding issue. It is not the trailer since I hooked up other trailers with the same result. But the issue persists. This vid Having trouble with your Chevy Traverse trailer lights not working? This DIY troubleshooting guide will help you locate the fuse and relay box to fix the iss I have no power on the 4 pin connector. Back to the mechanics of your running lights, you should check how the pin heads look after making sure that all the wires and screws are I think you are describing a 7 pin/4 pin combo plug on your jeep. These lights either get voltage from the trailer or form the towing vehicle. It’s not uncommon for the brakes to have an issue that will ne I am looking for help with my trailer lights wiring harness. The first step in inspecting a trailer plug is If your trailer lights aren't working properly, follow these steps to diagnose and potentially fix the issue. Shipping & Returns. One If you haul a trailer, then it’s most likely that it’s equipped with electric trailer brakes. With the start Is your TRAILER LIGHT NOT WORKING? Here is another video in our TRUCKER TIPS AND TRICKS video series. ccjt qrhcn scnuyhx easzak mzibu xzlnkg rjhwq agkdoa qfwwjol ghcqo