Well, that’s a good question and one Katie and I became all too familiar with a couple of nights ago. 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. 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. RH lights not working. 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. 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. So we went back to the fuse box in order to try the new technique with the voltage tester. Tried two different towing vehicles but same problem. 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. We hope this information helped get you on the right track to fixing the problems with your RV 12v lights. Thanks, Dan. 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. We won’t go into detail on how we fixed that here. Reasons Why This Can Happen 1. Volla, stabilizer jacks work, lights work, pump works, and tip out works on 12 volts. Dimmers are going on the mason jar lights in the bedroom as well, so we took them down to try in the living room. Click to Enlarge. I would try a few simple things first. Andrew Demaree is Bully’s resident technical writer and automotive expert. If they don't, then the issue is with the trailer, not the truck. 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. In this instance it was as simple as replacing the fuses that had blown. This left us really confused. Number plate lights not working. Soon we realized it was a bigger problem than our light fixture. RH indicator works but LH one doesn’t. If you notice a fuse continues to blow it’s important to dig a bit deeper to find the cause. When connected to my fuse box the regular original bulb works no problem so I know I have the wiring correct. Troubleshooting. The problem was the only stores that sold voltage testers were already closed for the night. 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. If the turn signals are not working, locate the fuse block that contains the circuit for them. Stumped here please help. Being SAE certified mechanic, Andrew knows how your vehicle works and how to make it run even smoother. 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. The battery display shows the auxiliary batteries are low. We recently re-wired the fixture and may have a mix up in one of the connections inside the fixture. Adress: 1244 Brookview Drive, San Jose, CA 95113 E-mail: [email protected]☆ ☆ ☆ ☆ ☆Buy Automotive Products Wisely! Check your vehicle's plug configuration. 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. This means that using several functions at the same time creates the load that a weak ground can’t handle. Disconnect the battery with your RV plugged into a power source. Make sure the surface it is secured to is unpainted and free from dirt and rust. … Like the video, there was a button, that when pushed, snapped in. **Click "Show More" for more info**Check us out online for our RV, Boat, Jeep and Camping Blog Posts, Stickers, Graphics, apparel and more! However, the LED bulb would not turn on. This DIY Modular Desk is perfect for small spaces! RV 12-Volt System Not Working: Troubleshooting. In order to get the 12-Volt system back online, we have to decide exactly what prevent it from working properly. Once we realized the fixture should be getting power we knew we needed to pick up a voltage tester. 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). Indicators & stop are now working OK provided the brown in not connected. Indicators still not working. Everything was going smoothly until we put the light fixture back up. Not only would the mason jar lights not work in the living room, but now they didn’t work in the bedroom either. 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. You may need to clean the brass terminals using steel wool or wire brush to restore a good connection. 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. The only outlet working is the one to the microwave. Click hereto check out trailer testers. 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. But it’s important to note fuses blow for a reason. Have you ever had issues with light fixtures in your RV? 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. 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). 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. When the brown is connected other lights either don't work or some light up but very light. The cause for only some of lighting functions working may also lie in “hot” wire issues. I tested all the outlets with a tester and got nothing except “open ground” reading on 1 outlet. I replaced the GFCI and double 15 amp breaker. X2 on the galley switch. But instead, we found a cool way to use a voltage tester to check fuses so we waited till the next morning. I'm thinking a wire nut or connection has vibrated loose. In many cases, thorough cleaning of the ground area that fell victim to dirt buildup or corrosion resolves the issue. The tester said all circuits working correctly car and caravan. The pilot light is responsible for triggering the fridge burners. Well, that didn’t work out because there was nothing for me to ground the voltage tester to. Camper refrigerators are not like your fridge back home. Katie and I are adding dimmers to a few of our custom made light fixtures. Troubleshooting trailer lights can appear to be intricate, but a good visual inspection can take a great deal of problems off. All of the nonfunctioning lights are in the front of the trailer. All the lights are working just not getting 110 to the GFCI or outlets. Issue #1: The pilot light keeps burning out. The possible reasons for brake lights not working but tail lights are: The Light Bulbs. As the rear lights are not connected, they do not … The right side light does not work – no brake light or turn signal. If nothing else we hope it gives you a good place to start. Downtime is money, and when your trailer lights are giving you troubles, your trailer is not road legal. purchase peppermint essential oil from our family-run business, Grandpa’s Good Earth! When it is sitting in the garage, you are losing time and money. There are 4 bulbs in all and none appear to be burnt out. If the bulbs are not the problem, disconnect the trailer's wiring system from the tow vehicle. Trailer tail lights not working? In the first case, separate wires come out of each tail light assembly and are attached to a metal frame. We use cookies to give you the best possible experience on our website. expert reply by: Adam R. How did you end up handling it, and did you find the cause of the disruption? 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. Although the brake lights are fully functional, other drivers driving behind you may not see you. If all the lights appear dim or you have no lights at … No matter what we tried we couldn’t get it to work. As mentioned above, the check light of Dometic fridge would activate if it a problem occur within the gas system. 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. We have changed the bulb but still nothing. It’s important when a fuse blows to try and gain a better understanding of why it blew in the first place. It is possible that one of the bulbs on your trailer burned out. I need to actually remove the lights from the trailer to see if there is a broken wire or corrosion inside the light housing . Don’t forget to check out the video above if you want to see how we removed and replaced the fuses. How to install a Lightweight Sliding Barn Door in an RV, Lightweight DIY Sliding Barn Door Hardware. Use a circuit tester to check whether current is flowing through. 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. Any ideas? The living room light, on the other hand, was a little more tricky. If all of the lights are connected on the same circuit and one of the fuses is blown, then the lights will not work. Use the circuit tester to see if current is going to the light fixture itself. 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 problem is back. Brian V 2006-09-06 11:21:49 UTC. Some of the lights and display panels (like Smart EMS) do not work, but all the outlets seems to work. If you find yourself unsure of something it’d be best to reach out to a professional or do further research.Â. 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. To avoid false ground from the tow vehicle to the trailer, make sure that the trailer hitch and the tow vehicle ball, as well as safety chains or cables are disconnected. Ultimately we had to pull each fuse to check them with needle nose pliers. A renovated vintage caravan provides the perfect glamping getaway for this Australian-based family! Permalink. We troubleshot our way through this problem by doing research and taking the approach that made the most sense to us. We found two blown fuses. 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. Have a helper stand back to see if the running lights, stoplights and blinkers are working properly. Remove the cable between the truck and the trailer and make sure that the connections are clean and tight. Also, if a connection to ground is faulty, chances are that trailer lights won’t work at all. 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. © 2021 BullyUSA.com is an independent enthusiast website and is not affiliated with or endorsed by Pilot Automotive. Jack and plug should be the only connection between a truck or SUV and a trailer. When the fuse is blown it does not allow the circuit to complete. What happened? Check the area the ground is secured to – it should be the bare metal frame. The Working Principle Of The Dometic RV Refrigerator Check Light. Make sure that each of tail lights is properly grounded. The first thing we checked was that the switch was on. We could’ve used our needle-nose pliers to pull out the fuses and see if they were bad. 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. These will run on propane gas or electricity depending on the model. 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. 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. 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. Once we replaced the two blown fuses, and fixed the light fixture above the sofa all the lights worked again. Checked all switches, fuses, breakers which are all good. The Causes Why Tail Lights Not Working. Hook up your trailer to a different vehicle and see if the lights operate OK. So check the lights. 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. 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 … Post by Dan All, I have a 1997 Coleman Santa Fe popup camper. Reply lights were not working. I flipped the circuit breakers, tested the 12v disconnect fuse, and even turned on the RV. Tonight I tried to set up one of my 12v RV lights and it did not work. Swapped out a couple of the lights with ones that are working - not the lights. Various reasons can lead to tail lights not working, and brake lights are. Tail light housings should be secured to a metal surface (trailer frame), not wood or plastic. This didn’t fix the issue. Remove the screws from the bulb lens (which you can access through the trunk or see your vehicle repair manual to get the exact location). Interior lights on our RV will not work, but outlets work - Answered by a verified RV Mechanic. What do you do if some of your RV 12v lights stop working? If your trailer lights are still not working, proceed to Step 2. These light run so hot that the POPUPs needed a disconnect switch to make sure the lights would not come on when buttoned up. All the outlets and exterior lights work fine. It is a wildwood lite with a Texas 2004 license plate on it parked in Mississippi. As a result, an accident may occur due to dysfunctional tail lights. Hook up your trailer and connect the trailer light harness. I also notice my outside light by the hitch doesn't work either. Some light fixtures within an RV can have switches located on a control panel. I was kind of happy about this because it showed me we in fact had a problem. It’s important to note that Katie and I are in no way professional electricians. Ground the tester and apply the probe to that contact while a helper turns on the truck lights. Ground is achieved in one of two ways. All the plugs are working, but they ar 110. If the fuse blows, the problem is on the truck. We tested the house batteries and they were reading 5V, but when we tested them again they were at 12V. Thank you so much. I then unplugged both 13/7 pin adapters from the tester and plugged them in together so 13>7>13. 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. 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. 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. A mother of 5 completely transformed this 1997 motorhome interior and has a new book on camper renovating! Once we reconnected everything we realized it wasn’t working. If the output is going into the box without coming out at all or goes on the wrong wires, check the grounding location. It was 7 pin with 13/7 pin adapters both ends. Creating projects with our tutorials and supplies is at your own risk. To find the reason for trailer lights problem, you may need to check a fuse box on a tow vehicle for blown fuses. 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. Use the following general guidelines on trailer lights troubleshooting that will help you find and solve the issue and get your trailer back on the road with its lights performing exactly as expected. If the running lights are not working, one of the first things to check is the presence of a blown fuse. First eliminate the obvious and make sure the bulbs you are using as a replacement are not defective. Sometimes it’s even both. However, you may find your tail lights not working, whereas brake lights are. LH rear parking and LH front white light are working. Have a question, a mountain town recommendation or just wanna say hello? 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. Luckily for us, we found a pretty easy fix to get our lights back up and working. Quick question for the electrical experts. Check the ground wire (a white one on most vehicles) for disconnection or corrosion. I've checked to make sure t … Answer: Sounds like you are not getting any voltage to the right side. The solution to fixing our RV 12v lights was replacing the fuses. The first thing we checked was that the switch was on. A ground connection can also loosen over time. I bought a trailer light tester from Amazon. 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. If your lights are still not working, it may be that there is no power to the light fixtures. All content provided is for inspiration purposes only. You have to thoroughly examine all connections, light fixtures, and bulbs to find the reason for trailer lights not working. 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. But it is possible that it is a ground issue. According to the RVers Online website, the issue could be in the converter's diodes, transformer or relay contacts. 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. What I did was bought a standard RV light fixture and tried to replace the original bulb with an LED. Any suggestions? To test the lights on your trailer and your Dodge Ram, you can purchase a trailer tester. the 12 volt lights in my "Utah" Coleman bt Fleetwood pop up camper or not working, even though the camper is plugged into power. A ground issue would typically only affect one or two lights, not all of the running lights on the trailer. The main objective here was to see if the problem was with our light fixture or with our RV 12V lights. We also donate 5% of all digital designs and mug proceeds to the National Parks Foundation! I am pretty sure the camper does not have a fuse box. 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. 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. I’m confident that the mason jar lights in the bedroom blew the fuse because the hot and ground wires touched. Luckily for us this time it was just because some wires had crossed. If the lights go dim, then there is an issue with the converter. My uncle helped me get it and told me, “if you need anything, give me a holler.” Then he died a few months later. The first thing we noticed was all the other lights were working fine. 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. Carol. But check back in the future because we’re going to explain how we created the light fixtures. 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™. That means the fridge will include a burner jet, also known as a pilot light. A more common case scenario presupposes ground to be provided through the bolts of the tail light assembly.
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