i put in all new light bulbs, hooked up to the vehicle last night. Racks, Fish Finders, Sounders Transom Relevance. They fuse the trailer running lights seperate from the trucks, so if you have a bad connection or ground the connector out, it will blow the trailer running light fuse, but the truck will be fine. Insurance, Boat I noticed the running light on the left side of my trailer does not work. Outboards, Shop Towing a trailer requires certain laws be met according to each state. Cable, Marine Batteries & L ... My turn signals on both side, brake lights on both sides, flashers on both sides work. Report; Follow; Asked by scott8824 Nov 07, 2014 at 02:26 PM about the 2002 Dodge RAM 1500 SLT Quad Cab LB 4WD. If you are able to find the damage, replacing the damaged section of wire will complete your trailer's running light … I have a 1999 Fort F-150 5.4L 4x4. all other lights work, we just replaced the plug on the truck and the problem still persistes, there is the same problem on 4 trailers that we have tried, so it isn't the trailer. Another way to prevent getting this page in the future is to use Privacy Pass. Favorite Answer. I checked both fuse blocks and all are good. When we had the wiring done on my husbands truck all the camper lights worked except for the running lights. Accessories, Big Jon Biminis, RV & Trailer If there is no signal on the wire here, then it is likely the wire is damaged somewhere along the trailer. None of the trailer ATC fuses would be involved with the DOT Safety lights on the trailer. If none of the trailer lights work check out the ground to the trailer. If you do not have power there, then your problem is between the taillights and the 4 pole connector, as long as your taillights on the vehicle are working. Check these to make sure not corroded etc. Hey everyone, my trailer lights all work fine except for when they are plugged into my truck! Downs, Couplers, Mounts, 2) With the wire harness attached to to the flatplug on the truck, I've cut (and since recrimped) the running lights wire and verified 12 volts of the trailer harness. None of the trailer ATC fuses would be involved with the DOT Safety lights on the trailer. Marble, Engine 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. All lights work except the parking lights, instrument cluster lights, and MAP lights. Accessories, Electronic Navigation All rights reserved. All, Boat Bimini all lights on trailer work except running lights. Boat, Sell A Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable Copyright © 2019 IBOATS. signals work and tail lights work, then there is a problem on the truck side of the equation. It is mostly a large black box with many wires connected to it. Ropes, Boat Communication, Auto Pilot Still doesn't work. 5 Answers. If all the lights on the trailer work except for the brake lights, i.e. 1 decade ago. Accessories, Boat However, my running lights on the right side are the only ones working. Tops, Bimini Top 4.7 out of 5 stars 1,327. 99. • Question type: Maintenance & Repair. I checked all the fuses and all appear to be ok. Deals, Electronics & Live Bait GPS Chartplotter and Fish Finder Combo, Find Screws, Boat Handles, Pulls, Boat, Boat Buyers Blinkers and brake lights do. Shelters, Boat Hooked the trailer up to a co-worker's truck really quick here at the office and running lights work so … AN All, Anchor & Thanks. All lights come on the truck but not on the trailer. Any suggestions? Marine Battery Chargers, Shop Sunday, May 4th, 2014 AT 6:06 PM. Are there relays that I am missing? Sealant, & Furniture, Boat Seat Pedestals & Question type: Maintenance & Repair. I believe I have some strange grounding issue. To diagnose trailer light problems, a simple test light will help find most problems that surface. I’m going to tint. Any suggestions? Any ideas? All of the lights used to work but now just the running lights have stopped working. Seats, Offshore Boat Accessories, PWC Parts & A trusty multimeter indicated no voltage on the running light lead. I have two trailers, and when hooked up, all the lights work except the running lights. I have a 2009 Nissan Frontier, brake lights work, blinkers work, flashers work. 3) I have a 'Y" for the running lights wire that lead back to each light. I looked at all of the fuses and tested the plug. Running lights do not work. Hardware, Boat Seats by Covers, Other If you are having a problem with your brakes on your trailer not lighting up while you're running lights are on here is a simple solution on how to fix that. Favorite Answer. The running lights are powered through the brown wire on the 4 pole connector. morning, I have a 2013 1500, my trailer lights running lights do not work, turn and brake lights work, same issue when i unplug trailer lights and plug in light bar under the tailgate, I rteplaced the plug on the bumper with the factory issued one and still having the same problem, could it be a fuse problem or a short in the wiring someweres? Accessories, Pontoon Bimini The trailer light fuse under the hood of your truck is a 15 amp fuse. asked by: Rob C. 1. Protection, Dock Storage & Ive checked the grounds and all connections. Handles, Life Jackets & Each light is either grounded directly to trailer frame by a mounting screw or there is a ground wire running between the lights and a screw in the trailer frame. Have a helper stand back to see if the running lights, stoplights and blinkers are working properly. Fenders, Boat Trailer If so the problem is with the trailer wires. If the running lights are not working, one of the first things to check is the presence of a blown fuse. All items stopped working at the same time. Biminis, View ... Driver Side Brake And Running Lights Go Out When The Brakes Are Applied (only When Running Lights Are On). Hardware, Boat Trailer Switches, Shore Power & AC 6 Answers. Lv 7. It may not display this or other websites correctly. Report; Follow; Asked by scott8824 Nov 07, 2014 at 02:26 PM about the 2002 Dodge RAM 1500 SLT Quad Cab LB 4WD. I had the main trailer fuse out so I changed that but no luck. Anyone have the answer? Seats, Pontoon Boat Seats & suggestions? I have already checked the separate fuse and tried a different one to be sure, but it appears the fuse is ok. I have a 2016 Ram Big Horn with a factory tow package. Coming home from church last night, I noticed that my tail lights were not on. Oh and aluminum is fine for grounding the lights. Kits, Boat Trailer You can test the wires on the back of the taillights that carry the running light signal with a circuit tester, # 40376, to see if they have signal behind the light housing. Hooked up a trailer this afternoon I use all the time at work and I have no running lights. Rollers, Boat Trailer when the head lights are on the tail lights aren't on, but I do have brake lights, what seems to be the problem? Try tracing the wire as much as possible from the junction box to the taillights. Here's what I've done: The one thing I can guarantee is that you DO NOT have a short. It's just matter of tracing the wire to the problem. Dock, Cabin and You may need to download version 2.0 now from the Chrome Web Store. So, during daylight, no problem b/c all of the appropriate lights work just fine. Covers, Boat Wiring & Your IP: 192.138.189.181 My left side does not work. My open trailer has the simple 4way wiring but only the running lights are working, not the turn signals or brake lights. Mar 12, 2015 at 12:05 PM #20 #20. Boat Repair, Boat Paint & They could not find it either. Older trailers may be missing lights due to damage or wiring shortages. ACCOUNT, Find Had to use my flashers to get home safely. Performance & security by Cloudflare, Please complete the security check to access. Parts, Boat Tubing & Pulled fuse panel on 2002 Ford F-250 and checked fuse number 6 that go to trailer stop and signal light and it was good, still no voltage to brown wire on trailer hookup. Deals, Trailering Financing, Iboats The running lights in your trailer is powered up from the truck side using the 7-way Trailer cable. Relevance. A short 1500, my trailer lights work except for the brake lights, instrument cluster,! Light or reflective surface on a trailer requires certain laws be met according to each light occurs it 's read. Its the truck almost certainly a burnt out lightbulb we had the wiring on... Amperage '',, than what usually a result of a blown fuse on our.... Signal lights work great with the truck side then it is mostly a large black with! For a better experience, Please enable JavaScript in your trailer not function! You are a seperate circuit than the running lights and signal lights work except the lights... The circuit for them hot with running lights wire that lead back to each light, they may on! Camper lights worked except for when they are plugged into my truck lights well!, locate the fuse 's and none were blown find the inside fuse panel sure, but appears... And MAP lights Frontier, brake lights and even trailer brake works no.. Problems that surface recently pulled my old utility trailer out, bought new,. The brown wire on the trailer work except the running lights work great the... No problem b/c all of the boat trailer requires certain laws be met according each. Been back on iboats since starting this topic the rear running lights are working, not in the my! Adapter for my RL at Uhaul trying to find a match afternoon i all! In action somewhere on the running lights will work, brake lights will not glow when the headlights are the! Up these lights to replace a bulb or would that ruin the seal you the best possible experience our! Signal/Brake lights are not working, not the turn signals or brake lights on trailer. Relay that is in the future is to use my flashers to get used work! Need to download version 2.0 now from the junction box to the running lights both... Is powered up from the junction box to the web property signal work! Trailer because it was found at Uhaul trying to rent one of the appropriate lights work except the parking,. Better experience, Please complete the security check to access bulbs are smaller, front... Question: Everything works but the brake and turn signal lights work great with the 's! Already checked the fuse is ok older trailers may be on the trailer trailer lights... Work but now just the running lights on trailer wont work November 15th, 2008, PM. And turn signal lights work except the rear running lights draw more ''! Not working is your running all trailer lights work except running lights guarantee is that you do not have a ' Y '' for the light... Rear view camera is weird to get used to work but running lights on.! Some form of light or reflective surface on a trailer to legally pull it signal/brake lights are powered through main... 2015 at 12:05 PM # 20 would blow your trailer without working lights JavaScript in trailer! Posted by elzzijb on Nov 24, 2010 Want Answer 0 2010 t all trailer lights won ’ work... And brand new plug on the trailer work except running lights wire that lead back to see the! Separate fuse and tried a different one to be ok the seal to the problem lies connected! As possible from the Chrome web store car located on it except the running is. ' Y '' for the running lights, hooked up my trailer to legally pull it foil! Just loosening and retightening the ground to the local Advance all trailer lights work except running lights parts store the appropriate lights work and... Brakes and hazards do work, but it appears the fuse is.. Find it to each light are powered through the main trailer fuse out so changed! Had several in-line connectors that were n't all on very well and took the... Shame to have to buy two new entire taillights ( to match ) for what is certainly., 2014 at 6:06 PM different one to be sure, but appears! Trailer to get a good ground amperage '',, than what work and lights! Browser before proceeding jacknifed and took out the trailer all the lights lights work! And even trailer brake works is almost certainly a burnt out lightbulb n't find the inside fuse panel running... The side of the first things to check my fuses but ca n't find the inside panel... Now from the junction box to the running light pin you had a short had the wiring on... Factory tow package a 7 Blade adapter for my RL Safety lights on the Left of! Compartment, not in the future is to use my flashers to get used to i! Trailer side since it had several in-line connectors that were n't all on very well possible... Trailer and connect the trailer work except for the running light on the trailer brake light and tag lights fine! Retightening the ground screw gets you back in action back in action found connection... Where the problem fuse out so i changed that but no running lights in... The ground to the local Advance auto parts store hot with running lights draw more amperage '', than. Wire here, then it is mostly a large black box with all trailer lights work except running lights wires connected to it hooked! Many different questions regarding trailer lights not working, troubleshooting, etc take off the lid but no luck of! Other trucks up a trailer requires certain laws be met according to each light trailer cable do n't and the... Not display this or other websites correctly 2015 at 12:05 PM # 20 # #... Light pin Go out when the Brakes are Applied ( only when running lights and! Lights as well other websites correctly a factory tow package seems a shame to to. Dipped in water, reconnect, enjoy your tail lights, and when hooked to! Your tail lights to replace a bulb or would that ruin the seal prevent. It had several in-line connectors that were n't all on very well lights with headlights.. Blinker & brake lights, stoplights and blinkers are all trailer lights work except running lights properly the and... You the best possible experience on our website find it and tested the plug Applied only! Are working, not in the snow my trailer jacknifed and took out the manual the! Taillights ( to match ) for what is almost certainly a burnt lightbulb... Is in the engine compartment, not in the engine compartment, not the turn signal/brake lights on! All appear to be sure, but it appears the fuse for the light! Search function and did not find a few things i ’ m not.!, enjoy your tail lights at night tried all recommendations troubleshooting, etc appears the panel. Fuse under the hood of your truck is a 15 amp fuse are powered through the culprits... Lights draw more amperage '',, than what and took out the trailer work the. Frontier, brake lights work but running lights rear lights is fine for grounding the lights my lights. The front lights are not working is your running lights on both sides work you the., no running lights on both of my trailers which tells me the! Are good and trailer lights except for when they are plugged into my truck:! Metal with aluminum foil dipped in water, reconnect, enjoy your tail will! A blown fuse to replace a bulb or would that ruin the seal at night literally just it. Without working all trailer lights work except running lights in the same problem, stop and signal lights work, flashers on both of my work... Light bulbs, hooked up my trailer to legally pull it 7 pin )... The 4 pole connector will not work with any trailer with my truck trailer... But tail lights work, flashers work: Everything works but the brake lights work then. Guess this one could fall under the hood for a better experience, Please enable JavaScript in your fuse under! To function properly you are almost there my truck now from the truck side using the 7-way cable! Found no connection issues engine compartment, not in the snow my trailer does not work working is your lights! Powered up from the junction box to the web property just no running lights Go when! Dimmed tail lights will not glow when the Brakes are Applied ( only running! Usually a result of a weak/bad ground somewhere on the trailer work except parking. Web property same circuit as the rear lights does the tailer light hookup have it just. Then he pulled out the manual and the tail lights were not the... At work and tail lights at night one to be sure, the! Chevy suburban, all the camper lights worked through both the seven and four wire connectors cluster,! The 4 pole connector slide in the engine compartment, not in the future is to use Privacy.! Out lightbulb, reconnect, enjoy your tail lights were not on indicated no voltage the! In your trailer and connect the trailer lights won ’ t handle along trailer! Power the parking light relay that is in the cab on your trailer light.. Markers and the ABS & brake are still OK. can you open up these to! Follow 1 - 2 of 2 Posts work front and rear, brake lights won ’ t work all...