When it is sitting in the garage, you are losing time and money. Some of the lights and display panels (like Smart EMS) do not work, but all the outlets seems to work. But it is possible that it is a ground issue. Quick question for the electrical experts. Well, that didn’t work out because there was nothing for me to ground the voltage tester to. Issue #1: The pilot light keeps burning out. I also notice my outside light by the hitch doesn't work either. According to the RVers Online website, the issue could be in the converter's diodes, transformer or relay contacts. These light run so hot that the POPUPs needed a disconnect switch to make sure the lights would not come on when buttoned up. 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). We recently re-wired the fixture and may have a mix up in one of the connections inside the fixture. If nothing else we hope it gives you a good place to start. The main objective here was to see if the problem was with our light fixture or with our RV 12V lights. 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. 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. Some light fixtures within an RV can have switches located on a control panel. As mentioned above, the check light of Dometic fridge would activate if it a problem occur within the gas system. The cause for only some of lighting functions working may also lie in âhotâ wire issues. In order to get the 12-Volt system back online, we have to decide exactly what prevent it from working properly. 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. So I toyed around with a couple other options. If the lights go dim, then there is an issue with the converter. If the fuse does NOT blow, and if you detect a 12V signal on the contact, then you know the issue is on the trailer. This didn’t fix the issue. We hope this information helped get you on the right track to fixing the problems with your RV 12v lights. The problem is back. Everything was going smoothly until we put the light fixture back up. 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. Luckily for us this time it was just because some wires had crossed. The living room light, on the other hand, was a little more tricky. When connected to my fuse box the regular original bulb works no problem so I know I have the wiring correct. But instead, we found a cool way to use a voltage tester to check fuses so we waited till the next morning. … Number plate lights not working. My uncle helped me get it and told me, “if you need anything, give me a holler.” Then he died a few months later. A ground connection can also loosen over time. 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 battery display shows the auxiliary batteries are low. 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. lights were not working. Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. Post by Dan All, I have a 1997 Coleman Santa Fe popup camper. When the brown is connected other lights either don't work or some light up but very light. 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. 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. Thank you so much. We troubleshot our way through this problem by doing research and taking the approach that made the most sense to us. Brian V 2006-09-06 11:21:49 UTC. The pilot light is responsible for triggering the fridge burners. 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. We won’t go into detail on how we fixed that here. 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. Trailer light problems can be traced to any point in either the tow vehicle’s electrical system or trailer wiring, so visual inspection and testing are the first things to do. In the first case, separate wires come out of each tail light assembly and are attached to a metal frame. I was kind of happy about this because it showed me we in fact had a problem. The first thing we noticed was all the other lights were working fine. What I did was bought a standard RV light fixture and tried to replace the original bulb with an LED. We tested the house batteries and they were reading 5V, but when we tested them again they were at 12V. X2 on the galley switch. Being SAE certified mechanic, Andrew knows how your vehicle works and how to make it run even smoother. 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. This left us really confused. 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). If all of the lights are connected on the same circuit and one of the fuses is blown, then the lights will not work. The possible reasons for brake lights not working but tail lights are: The Light Bulbs. If the bulbs are not the problem, disconnect the trailer's wiring system from the tow vehicle. He is also passionate about truck customization and off-roading, so when it comes to adding some style and functionality to your truck, you can rely on Andrew’s knowledge. 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. However, the LED bulb would not turn on. Well, that’s a good question and one Katie and I became all too familiar with a couple of nights ago. It is a wildwood lite with a Texas 2004 license plate on it parked in Mississippi. Ground is achieved in one of two ways. If they don't, then the issue is with the trailer, not the truck. 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. There are 4 bulbs in all and none appear to be burnt out. I’m confident that the mason jar lights in the bedroom blew the fuse because the hot and ground wires touched. But check back in the future because we’re going to explain how we created the light fixtures. Remove the cable between the truck and the trailer and make sure that the connections are clean and tight. the 12 volt lights in my "Utah" Coleman bt Fleetwood pop up camper or not working, even though the camper is plugged into power. If the turn signals are not working, locate the fuse block that contains the circuit for them. All the lights are working just not getting 110 to the GFCI or outlets. So check the lights. Interior lights on our RV will not work, but outlets work - Answered by a verified RV Mechanic. Click hereto check out trailer testers. If your lights are still not working, it may be that there is no power to the light fixtures. Indicators & stop are now working OK provided the brown in not connected. But it’s important to note fuses blow for a reason. The main trailer connector grounds and the grounds for each of the lights need to be attached to clean and corrosion free bare metal surfaces. It was 7 pin with 13/7 pin adapters both ends. The first thing we checked was that the switch was on. I tested all the outlets with a tester and got nothing except “open ground” reading on 1 outlet. 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. Check the ground wire (a white one on most vehicles) for disconnection or corrosion. Sometimes it’s even both. 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. So we went back to the fuse box in order to try the new technique with the voltage tester. The brightness of the dash lights can be adjusted by turning the rheostat near the headlight switch, if this adjustment is turned "OFF" the dash lights will not work. 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. All the plugs are working, but they ar 110. Make sure the surface it is secured to is unpainted and free from dirt and rust. Checked all switches, fuses, breakers which are all good. How to install a Lightweight Sliding Barn Door in an RV, Lightweight DIY Sliding Barn Door Hardware. If you notice a fuse continues to blow it’s important to dig a bit deeper to find the cause. Reasons Why This Can Happen 1. Tried two different towing vehicles but same problem. Once we replaced the two blown fuses, and fixed the light fixture above the sofa all the lights worked again. Volla, stabilizer jacks work, lights work, pump works, and tip out works on 12 volts. Ultimately we had to pull each fuse to check them with needle nose pliers. All brand names, trademarks and logos are the property of their respective owners!Sitemap | Privacy Policy | FAQ, The Best Auto Repair Manuals & Guides â HP Booksâ¢. Hook up your trailer and connect the trailer light harness. When the fuse is blown it does not allow the circuit to complete. Dimmers are going on the mason jar lights in the bedroom as well, so we took them down to try in the living room. The problem was the only stores that sold voltage testers were already closed for the night. RH indicator works but LH one doesn’t. Thanks, Dan. **Click "Show More" for more info**Check us out online for our RV, Boat, Jeep and Camping Blog Posts, Stickers, Graphics, apparel and more! 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. A ground issue would typically only affect one or two lights, not all of the running lights on the trailer. 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. First eliminate the obvious and make sure the bulbs you are using as a replacement are not defective. RV 12-Volt System Not Working: Troubleshooting. I replaced the GFCI and double 15 amp breaker. The Causes Why Tail Lights Not Working. Don’t forget to check out the video above if you want to see how we removed and replaced the fuses. Stumped here please help. © 2021 BullyUSA.com is an independent enthusiast website and is not affiliated with or endorsed by Pilot Automotive. This DIY Modular Desk is perfect for small spaces! 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