A poor ground often becomes the culprit when only some lighting functions are working and when lights go out when you push the brake pedal. Built with quality and strength that will match that of your rig, our truck accessories are custom designed to enhance the appearance and function of your vehicle. Most of the things in my trailer do not work now or I don’t know how to use them such as the gas oven, but I … Being SAE certified mechanic, Andrew knows how your vehicle works and how to make it run even smoother. As a result, an accident may occur due to dysfunctional tail lights. That being said, the check light should not go on in the case you set the refrigerator in AUTO mode and there are available electricity. Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. purchase peppermint essential oil from our family-run business, Grandpa’s Good Earth! So check the lights. Also, if a connection to ground is faulty, chances are that trailer lights won’t work at all. Ground is achieved in one of two ways. You have to thoroughly examine all connections, light fixtures, and bulbs to find the reason for trailer lights not working. Make sure that each of tail lights is properly grounded. LH rear parking and LH front white light are working. As you may already figure out, there are a wide variety of causes that could lead to the issue of RV 12 Volt system not working issue. Dimmers are going on the mason jar lights in the bedroom as well, so we took them down to try in the living room. If the fuse blows, the problem is on the truck. Disconnect the battery with your RV plugged into a power source. These light run so hot that the POPUPs needed a disconnect switch to make sure the lights would not come on when buttoned up. Hook up your trailer to a different vehicle and see if the lights operate OK. Troubleshooting. Tail light housings should be secured to a metal surface (trailer frame), not wood or plastic. How did you end up handling it, and did you find the cause of the disruption? Some light fixtures within an RV can have switches located on a control panel. Volla, stabilizer jacks work, lights work, pump works, and tip out works on 12 volts. But it is possible that it is a ground issue. We hope this information helped get you on the right track to fixing the problems with your RV 12v lights. The Working Principle Of The Dometic RV Refrigerator Check Light. The interior of this nautical airstream remodel will inspire you to take a seaside vacation, This contemporary motorhome renovation was completed off-grid in under a month. I tested all the outlets with a tester and got nothing except “open ground” reading on 1 outlet. The common causes the tail lights do not work are; Blow fuse – The first thing the mechanics check is the fuse corresponding to the rear lights. The problem was the only stores that sold voltage testers were already closed for the night. Thank you so much. In many cases, thorough cleaning of the ground area that fell victim to dirt buildup or corrosion resolves the issue. Quick question for the electrical experts. Soon we realized it was a bigger problem than our light fixture. Andrew Demaree is Bully’s resident technical writer and automotive expert. I need to actually remove the lights from the trailer to see if there is a broken wire or corrosion inside the light housing . Check the area the ground is secured to – it should be the bare metal frame. In order to get the 12-Volt system back online, we have to decide exactly what prevent it from working properly. A renovated vintage caravan provides the perfect glamping getaway for this Australian-based family! Ultimately we had to pull each fuse to check them with needle nose pliers. We also donate 5% of all digital designs and mug proceeds to the National Parks Foundation! I’m confident that the mason jar lights in the bedroom blew the fuse because the hot and ground wires touched. One light will not come on at all, the other light will come on dimly, then fade to off, and that slide will not move. Please use your best judgment and follow safety precautions as the owners of Mountain Modern Life are not liable for any losses, injuries, or damages from the use of this information. Because the most common reason for trailer lights not working properly is a bad or missing ground, check the trailer’s and truck’s ground connection first. Trailer tail lights not working? For instance, the light fixture above our sofa has a switch near the steps, this is also where our 12v on/off switch is located. If you find yourself unsure of something it’d be best to reach out to a professional or do further research.Â. Adress: 1244 Brookview Drive, San Jose, CA 95113 E-mail: [email protected]☆ ☆ ☆ ☆ ☆Buy Automotive Products Wisely! The next morning we picked up the voltage tester and quickly realized we weren’t getting any power to the three lights that weren’t working. This means that using several functions at the same time creates the load that a weak ground can’t handle. Tonight I tried to set up one of my 12v RV lights and it did not work. All content provided is for inspiration purposes only. Test all of the lights, from the backup lights to the turn signals and brake lights to ensure the problem is not the tow vehicle itself. If the bulbs are not the problem, disconnect the trailer's wiring system from the tow vehicle. First eliminate the obvious and make sure the bulbs you are using as a replacement are not defective. This DIY Modular Desk is perfect for small spaces! Jack and plug should be the only connection between a truck or SUV and a trailer. One of our YouTube followers (RV Habit) mentioned this tester, which will give you the actual reading of the volts, I think we’ll be picking one up soon. All of the nonfunctioning lights are in the front of the trailer. Issue #1: The pilot light keeps burning out. Creating projects with our tutorials and supplies is at your own risk. RH indicator works but LH one doesn’t. I would try a few simple things first. expert reply by: Adam R. 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. I bought a trailer light tester from Amazon. So I toyed around with a couple other options. I was kind of happy about this because it showed me we in fact had a problem. MountainModernLife.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. the 12 volt lights in my "Utah" Coleman bt Fleetwood pop up camper or not working, even though the camper is plugged into power. Post by Dan All, I have a 1997 Coleman Santa Fe popup camper. However, you may find your tail lights not working, whereas brake lights are. All the lights are working just not getting 110 to the GFCI or outlets. Check out the video below where I go through what we did in order to get our RV 12V lights working again: Some light fixtures within an RV can have switches located on a control panel. We found two blown fuses. The main objective here was to see if the problem was with our light fixture or with our RV 12V lights. If the turn signals are not working, locate the fuse block that contains the circuit for them. Luckily for us this time it was just because some wires had crossed. There are 4 bulbs in all and none appear to be burnt out. Because the most common reason for trailer lights not working properly is a bad or missing ground, check the trailer’s and truck’s ground connection first. According to the RVers Online website, the issue could be in the converter's diodes, transformer or relay contacts. All the plugs are working, but they ar 110. Like the video, there was a button, that when pushed, snapped in. When the fuse is blown it does not allow the circuit to complete. Reasons Why This Can Happen 1. Permalink. As the rear lights are not connected, they do not … What do you do if some of your RV 12v lights stop working? The living room light, on the other hand, was a little more tricky. The tester said all circuits working correctly car and caravan. Ground the tester and apply the probe to that contact while a helper turns on the truck lights. We use cookies to give you the best possible experience on our website. If you have a power converter or a T-connector, disconnect the trailer and use a circuit tester to check whether a signal is going into and back from the converter or Modulite box on the appropriate wires. It is a wildwood lite with a Texas 2004 license plate on it parked in Mississippi. I then unplugged both 13/7 pin adapters from the tester and plugged them in together so 13>7>13. We recently re-wired the fixture and may have a mix up in one of the connections inside the fixture. Have you ever had issues with light fixtures in your RV? RH lights not working. Everything was going smoothly until we put the light fixture back up. RV 12-Volt System Not Working: Troubleshooting. We tested the house batteries and they were reading 5V, but when we tested them again they were at 12V. Stumped here please help. My trailer has a fold over sink/stove cabinet and when it is in its upright position it pushes down a push-button switch to enable the ceiling lights. Tried two different towing vehicles but same problem. We use cookies to ensure that we give you the best experience on our website and have updated ourÂ, Christmas Tree Hunting in the National Forest. Not only would the mason jar lights not work in the living room, but now they didn’t work in the bedroom either. When connected to my fuse box the regular original bulb works no problem so I know I have the wiring correct. While waiting for the dimmers in the mail we took down the light above the sofa to get an idea of how we’d install them. **Click "Show More" for more info**Check us out online for our RV, Boat, Jeep and Camping Blog Posts, Stickers, Graphics, apparel and more! For instance, the light fixture above our sofa has a switch near the steps, this is also where our 12v on/off switch is located. … A more common case scenario presupposes ground to be provided through the bolts of the tail light assembly. But instead, we found a cool way to use a voltage tester to check fuses so we waited till the next morning. Any ideas? But check back in the future because we’re going to explain how we created the light fixtures. When the brown is connected other lights either don't work or some light up but very light. The only outlet working is the one to the microwave. Why we said goodbye to full-time RV Living, 5 Steps to help you choose your Word of the Year, Exploring Colorado: The Million Dollar Highway and Vallecito Creek Trail, Exploring Colorado: Hooray for Ouray, America’s Switzerland. If the output is going in and back on the right wires, the reason may be wrong trailer wiring, including improper ground wire connection, dirt or rust buildup, pinched or cut harnesses. You may need to clean the brass terminals using steel wool or wire brush to restore a good connection. Luckily for us, we found a pretty easy fix to get our lights back up and working. Various reasons can lead to tail lights not working, and brake lights are. Brian V 2006-09-06 11:21:49 UTC. If all of the lights are connected on the same circuit and one of the fuses is blown, then the lights will not work. 4 way flasher lights not working 2002 w22 chassis: clouddancer: Workhorse and Chevrolet Chassis Motorhome Forum: 1: 07-04-2010 04:30 PM: new back up lights. This left us really confused. I replaced the GFCI and double 15 amp breaker. These will run on propane gas or electricity depending on the model. Once we reconnected everything we realized it wasn’t working. To find the reason for trailer lights problem, you may need to check a fuse box on a tow vehicle for blown fuses. What happened? We assume the lights in the hall and bathroom are running off of 12-volt, and that other lights in the RV are working fine. If your lights are still not working, it may be that there is no power to the light fixtures. Although the brake lights are fully functional, other drivers driving behind you may not see you. A ground issue would typically only affect one or two lights, not all of the running lights on the trailer. We won’t go into detail on how we fixed that here. Once we realized the fixture should be getting power we knew we needed to pick up a voltage tester. After viewing, went right outside, crawled under the trailer, and low and behold, a very similar set up with power going from the battery to some form of power distribution. If there is no signal output going into the box, the problem is on the tow vehicle’s side (again, it can be caused by a blown fuse or wrong connecting points). Camper refrigerators are not like your fridge back home. Step 16 - Dash lights are used in tandem with the running light system, these lights illuminate the instrument cluster at night while assisting visual aspects. Indicators still not working. All the outlets and exterior lights work fine. Click hereto check out trailer testers. The pilot light is responsible for triggering the fridge burners. Troubleshooting trailer lights can appear to be intricate, but a good visual inspection can take a great deal of problems off. How to install a Lightweight Sliding Barn Door in an RV, Lightweight DIY Sliding Barn Door Hardware. So we went back to the fuse box in order to try the new technique with the voltage tester. I've checked to make sure t … I also notice my outside light by the hitch doesn't work either. Katie and I are adding dimmers to a few of our custom made light fixtures. Remove the cable between the truck and the trailer and make sure that the connections are clean and tight. Have a helper stand back to see if the running lights, stoplights and blinkers are working properly. Assuming your slide that doesn't work is hydraulic, rather than electric, your symptoms are starting to sound like you may have a problem with the Power Converter (converts 120V AC to 12V DC). No matter what we tried we couldn’t get it to work. Number plate lights not working. If all the lights appear dim or you have no lights at … As mentioned above, the check light of Dometic fridge would activate if it a problem occur within the gas system. The first thing we checked was that the switch was on. The battery display shows the auxiliary batteries are low. In the first case, separate wires come out of each tail light assembly and are attached to a metal frame. Click to Enlarge. One or two lamps not working is one thing, but no lamps working leads me to believe a fuse has blown on the trailer or there is an open in that circuit. Hook up your trailer and connect the trailer light harness. The solution to fixing our RV 12v lights was replacing the fuses. Reply It’s important when a fuse blows to try and gain a better understanding of why it blew in the first place. Begin with checking the harness that goes into the fixture in question and move all the way back to the tow vehicle to find the point where the circuit breaks. If the output is going into the box without coming out at all or goes on the wrong wires, check the grounding location. We troubleshot our way through this problem by doing research and taking the approach that made the most sense to us. … The problem is back. A poor ground often becomes the culprit when only some lighting functions are working and when lights go out when you push the brake pedal. The first thing we checked was that the switch was on. If your trailer lights are still not working, proceed to Step 2. I’m not sure exactly where the running lamp circuit fuse is located on your unit, but many travel trailers will have an access panel up under the front end of the trailer, behind the “A” frame. But it’s important to note fuses blow for a reason. If the running lights are not working, one of the first things to check is the presence of a blown fuse. It is possible that one of the bulbs on your trailer burned out. Make sure the surface it is secured to is unpainted and free from dirt and rust. Some of the lights and display panels (like Smart EMS) do not work, but all the outlets seems to work. However, the LED bulb would not turn on. If nothing else we hope it gives you a good place to start. The right side light does not work – no brake light or turn signal. The cause for only some of lighting functions working may also lie in “hot” wire issues. Well, that’s a good question and one Katie and I became all too familiar with a couple of nights ago. The circuit breakers didn’t help, the 12v disconnect fuse was in good shape, and turning on the RV didn’t do much considering all the other RV 12v lights were working. We could’ve used our needle-nose pliers to pull out the fuses and see if they were bad. All brand names, trademarks and logos are the property of their respective owners!Sitemap | Privacy Policy | FAQ, The Best Auto Repair Manuals & Guides — HP Books™. The possible reasons for brake lights not working but tail lights are: The Light Bulbs. Any suggestions? Downtime is money, and when your trailer lights are giving you troubles, your trailer is not road legal. I'm thinking a wire nut or connection has vibrated loose. Use a circuit tester to check whether current is flowing through. Swapped out a couple of the lights with ones that are working - not the lights. If the lights go dim, then there is an issue with the converter. Thanks, Dan. Sometimes it’s even both. Checked all switches, fuses, breakers which are all good. In this instance it was as simple as replacing the fuses that had blown. My uncle helped me get it and told me, “if you need anything, give me a holler.” Then he died a few months later. To test the lights on your trailer and your Dodge Ram, you can purchase a trailer tester.