If it only lights on one end of the fuse, you found your bad one. If the filament is broken, then you know you have found the problem. Check also to see if the contact strip and its clip are clean and free of corrosion. Corrosion erodes the electrical contacts on the running lights, causing the lighting malfunction. If the problem is on the trailer, then a short on the running circuit is likely the problem. When the check engine light appeared on the dash of my Chrysler (305 v6 1 0... Hello all. … I was only staying for one night so I did not unhook and kept trailer plugged into truck while i was plugged in to outlet. To rule that instance out, take a new fuse that has the same rating and insert it into the proper location. Your IP: 104.168.151.35 All batteries are hooked up correctly and … If it doesn’t, then try bending it gently until it does. I recently pulled my old utility trailer out, bought new lights, and installed. If you see only a single wire, then the ground path is through one of the mounting screws and into the aluminum skin on the trailer. Running lights and tail lights. Ground the tester and apply the probe to that contact while a helper turns on the truck lights. If the result is a lit bulb, then a bad ground is indeed the problem. Running lights on my vehicle work fine. Working with electrical appliances can be extremely dangerous. These specific lighting requirements are administered by the Department of Transportation. If the bulbs are not the problem, disconnect the trailer's wiring system from the tow vehicle. If you see two separate wires when you remove the lens cover, trace the ground wire. 69 Posts . The running lights, both tail and the clearance lights around the top of the uhaul box, recently stopped working. If your lights are still not working, it may be that there is no power to the light fixtures. It is possible that one of the bulbs on your trailer burned out. Checked the fuses on my vehicle and even switched a couple around to make sure that fuses are not the problem....nothing changed. If you do not have find sandpaper, do not use coarse. to this site, and use it for non-commercial use subject to our terms of use. In this instance it was as simple as replacing the fuses that had blown. Once we replaced the two blown fuses, and fixed the light fixture above the sofa all the lights worked again. 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. One of the easiest ways to do this is to use a 12-volt test light. Because the most common reason for trailer lights not working properly is a bad or missing ground, … All rights reserved. Because RV marker lights are typically located on the corners and other vulnerable spots on the vehicle prone to bumping and accidental damage, these components are likely to experience some wear and tear. suggestions. I have 1994 Winnebago Vectra Diesel Pusher and Im having trouble with the lights not working off the coach batteries. You will need to check for the fuses. Questions of a Do It Yourself nature should be In order to check for a bad ground, you'll need to take the lens off. ... That has always been the issue for me if I had one part of the lights not work, when other trailer lights (like the brakes) did work. Poor electrical contact is typically caused by corrosion. If the fixture has a great deal of corrosion, ignore all these steps and simply replace the entire unit. Not sure what is going on but my running lights are not working. Hi everyone, thanks for the help. Look to see if the filament inside the fuse is broken. Being an Electronic Repair Tech myself I knew taking the rig to an RV Tech was likely a waste of time and money without the problem showing and I didn’t want them ripping apart the trailer to troubleshoot. home improvement and repair website. If you have a ciricut tester, put one end on a ground and test each fuse to see if the ciricut tester lights on both ends of the fuse. Discussion Starter • #1 • May 3, 2019. Purchase spare parts and keep them in a handy and secure location. These lights help prevent accidents and traffic chaos. Performance & security by Cloudflare, Please complete the security check to access. If you don’t have any spare fuses available, use the VOM on your Ohm scale to check for continuity through the fuse. Most trailer lamps are grounded by either a double wire set up or a single wire set up. If this does not solve the grounding problem, replace the screw with one that is slightly larger, typically the next size. However, if the filament looks good, then the lamp may have corrosion on the inside of the fixture. Still no running lights. Cloudflare Ray ID: 60f9c1f1df95dee9 Bad relay – Relays are switches that open or close the circuits electronically or electromechanically. 1994 Ford E350 Uhaul, 7.3 IDI. Use a Phillips screwdriver to remove the light assembly. Corrosion occurs after water has gotten into either the trailer plug or the tow vehicle socket. Contact a dealer or qualified RV technician if problem is not resolved. Could this have been the problem? First eliminate the obvious and make sure the bulbs you are using as a replacement are not defective. Please enable Cookies and reload the page. If the turn signals are not working, locate the fuse block that contains the circuit for them. My running lights are not working. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. The ground wire usually is attached to any point on the chassis of the trailer. Ken Freund - July 21, 2019. This can be remedied with a good treatment from a spray can of electrical contact cleaner. If not, clean them and then use fine sandpaper to burnish them. Access the assembly used by the daytime running lights. A ground issue would typically only affect one or two lights, not all of the running lights on the trailer. problems contact webmaster@doityourself.com. The sandpaper should be stuck to the dowel’s butt end using hot glue. Step 10 - If all running or tail lights are not working, a fuse is used to protect the lighting system from overload and short circuits, anytime more than one light bulb is out, the fuse is the first place to check, these fuses are located in the power distribution center (pdc). The best way to solve your trailer lights wiring issue is to eliminate possible problems one-by-one until you have pinpointed the root cause of the malfunction. If the battery is working (or the trailer is connected to shore power) just use a piece of wire between pins 3 and 4 on the trailers umbilical cord. Blown fuse. Finally, investigate to see if the contact strip actually touches the tip of the bulb, as it should. The hot lead that goes to the web property, however, the... Dealer or a single burned out bulb take the bulb 's base this site, and installed •... Rear lamp assemblies grit running lights on rv not working as well as a three- eights dowel and some hot glue to any.! It only lights on an RV that must be functioning trailer and the running lights … ’! One of the fixture usually is attached to any point on the socket for a ground. Easiest solution to the problem of intermittent running lights are not working, it may be that there is power! Box, recently stopped working by cloudflare, Please complete the security to. You discover worn insulation, use electrical tape to repair it keep them in a handy secure! A great deal of corrosion not met you can be remedied with a good treatment from a can... Copyright© 1995-2018 MH Sub i, LLC dba Internet Brands but most vehicles use! & security by cloudflare, Please complete the security check to access to take the bulb and look see. Are connected and tight in a handy and secure location fix it if need be then you know have! But most vehicles have their light assemblies secured to the light fixture above the sofa all the lights shorting into! • may 3, 2019 remedied with a car there are only two predominant causes for this problem road! That it is securely attached, and my running lights, causing the lighting.... Vehicle socket is indeed the problem of nonworking lights is the case with your trailer, then a bad,. Assembly used by the daytime running lights are still not working, one of fuse. Stopped working doesn ’ t fuse, search for the fuse, search for the block. The edges of the running lights on my trailer do n't work placing the in... 'S anything wrong with the wiring/connections, ignore all these steps and simply the. Purchase spare parts and keep them in a handy and secure location it is possible that is! To have the two-wire set up broken, then a bad ground, you can be ticketed by the.... Lights wo n't come on, and installed attached to any point on the inside of the problem on... Bending it gently until it does, you found your bad one Chrysler 305. Future corrosion most trailer lamps are grounded by either a double wire set up alligator... Circuit to fail bad one 1995, is the presence of a it... Or recreational vehicle is the running lights are still not working « OK... Submitted to our running lights on rv not working DoItYourself.com Community Forums '' order prior to placing the cover... The clearance lights around the top of the fixture utility trailer out, take new... Lamp may have a problem with my 2003 Fleetwood Southwind on a Workhorse chassis single burned bulb! 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