Size: The Brown wire only feeds power to lights, so size it for the power requirements of your lights. $5.99 $ 5. Hook up your trailer and connect the trailer light harness. The mysterious case of the intermittent trailer lights is now solved. Wondering if the trailer running lights and Aux power points share the same fuse and if so, which fuse ? My trailer brake/signal lights work but running lights do not. Trailer lights usually ground through the mounting studs. Discussion Starter • #1 • Dec 3, 2011. Discussion Starter • #1 • May 3, 2019. Small corrosion can cause issues. the running for the trailer, is seperate from the running on the truck. Parked the 2014 Ford Escape SE with factory tow package and the trailer last night with the trailer lights working. For a utility trailer, that is probably not much power, so a smaller gage is OK. For a large enclosed trailer with lots of running lights, consider a larger gage. The last check should be the running lights. 412 Posts . Blinker & brake are still OK. Can you open up these lights to replace a bulb or would that ruin the seal? When the weight of the trailer is applied to the hitch a slight flexing happens and was pinching these wires. Question: We have a boat trailer and the brake lights and signal lights work, but no running lights. The right tail light does not light up. The running lights are still not working. Performance & security by Cloudflare, Please complete the security check to access. Wesbar Trailer Lights. I have an issue with my boat trailer lights. Have a brand new 2018 boat and trailer, running lights worked perfectly from AZ to Georgia. After enough road vibration and movement the wires developed a short-circuit. (I had towed the trailer a week earlier and the lights were fine.) Bulbs and fuses are common reasons for malfunctioning trailer lights. hooked up 12 volt battery direct to running lights they work,but not when hooked up to my truck. Okay, the whole thing started when I couldn't get the running lights on my boat trailer to work. the running lights are not working on my boat trailer, all other lights work fine. Has this been an issue with anyone else....first time hooking to a trailer, 2500 miles on truck! The brake lights and turn signals work fine. Here was my situation. check your ground on that side, make sure it it to bare metal and is solid. I have a good ground. Brake light but no Running lights - posted in General Discussion: I bought this trailer used its a 02 8.5 x 10 ft Tilt for $400.00 So will not complain all that much.. After enough road vibration and movement the wires developed a short-circuit. Cig lighter works but front panel 12 V auxiliary and center console 12 V auxiliary not working. Link to post I put a whole new plug on the trailer side since it had several in-line connectors that weren't all on very well. Left turn, right turn, and brake lights all work. • Need some help. Running lights on trailer not working, Brake and turns work. The trailer lights worked fine on my 07 Chevy Tahoe. Make sure you have voltage on the plug pin for running lights. LED trailer lights are the way to go with boat trailers, no issues drowning the lights while powered. I did find one white wire that isn't connected to anything on the back of one of the rear lights but can't figure out where it may go. Or, learn more about me, my RV service practice, & this website here. He,p!! Examine the wiring on the trailer side and vehicle side for in-line fuses. and there is no socket in the relay fuse box for relay 1! It's easy to do. so 2006 owners without the tow package install a brown relay into the relay 2 socket under the hood thinking that will get the running lights working. This one doesn’t only work best with boats but also with trailer trucks, … Hi all, I was curious if anyone out there knew an easy answer to the dillema of my turn signals not really working on my trailer. If so, throw the switch off and connect the jumper wire to a known positive source. The bulbs appear to be good so I don't think that's the issue. I recently got my 2005 tacoma & the trailer lights for my boat weren't working. Ran a new wiring harness and still no running lights. Like the name implies, this site is all about helping you save money while keeping your RV in tip-top shape--and that is all about you having the knowledge to do so. I did find one white wire that isn't connected to anything on the back of one of the rear lights but can't figure out where it may go. I had the key on when needed to (turn signals) but no response for tail lights, running lights or brake lights. There are many possible reasons why the running lights are not working on your boat trailer. Well that was a weird one. Still doesn't work. it is possible to have truck and no trailer, and trailer with no truck. Right Tail Light of Trailer not working... Jan 27 2013, 5:15am. Re: Trailer Tail Lights Not Working Ground wire could be the fix, if not, get a test light and check the tow vehicle plug and be sure you have power on the taillight terminal, next I would check the bulbs and while there if bulbs look ok, check for power at the light socket, check the ground for the light, make sure both are well grounded. Re: Trailer running lights are not working. My open trailer has the simple 4way wiring but only the running lights are working, not the turn signals or brake lights. They are usually 10-amp fuses, red in color, for trailers. Most likely the brown wire from the trailer connector is connected to a constant battery voltage source, and it should be connected to the vehicle running light circuit, however someone might have wired the trailer connector up that way on purpose so that the trailer does not draw power from the vehicle running lights and possibly damage the vehicle running light circuit. Disconnect your trailer but leave the cable hooked up and see if your lights work; if they don't work then, as Toxarch says your trailer has a bad ground. See if the lights light. I have checked all the wires and appears to be in good working order. Check Socket, Connections, and Switches I've plugged and unplugged many trailers with the truck running and off. I was convinced it was a grounding issue on the trailer and spent hours redoing everything and then finally a few good brain cells suggested it was not the trailer but the truck. Most trailers use an 1156 bulb that can be found at any auto parts store. This afternoon I hooked on to my boat trailer for the first time and no lights on the trailer...tried a test light on the back of the truck, nothing on both plug ins…..no the fuses are burned! The running lights are still not working. Have a helper stand back to see if the running lights, stoplights and blinkers are working properly. We were hunting this weekend and noticed our running lights were not working on our boat trailer, thinking it was a bad bulb somewhere we checked everything and it seemed fine. Check your vehicle's plug configuration. My open trailer has the simple 4way wiring but only the running lights are working, not the turn signals or brake lights. If advice on this site has saved you money or time, we would certainly appreciate it if you would consider making a small donation. And more often than not, one specific culprit is to blame. The brakes and running lights work ok, but when I turn on the signals, there is a only a slightly detectable change in the running lights, and barely anything when the running lights are off. I connected it to a friend’s truck and they work great. Join in and write your own page! Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Seems a shame to have to buy two new entire taillights (to match) for what is almost certainly a … How To Replace Boat Trailer Running Lights. Thanks guys.. That 10Amp fuse is the ticket (fix). Cloudflare Ray ID: 60d5a80b9e1c1786 as I was going fishing the next morning and I planned on leaving the house around 5:00a.m. Both side running lights and left tail light go on. 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. Unfortunately, I checked the plug from car and was unable to get any response at the 4-pin plug. On the Tundra the white wire is the ground on both connectors, find the corresponding wire on the trailer connector and ensure it is connected to the trailer … Put a nail in the POSITIVE charger clip and touch the BROWN wire terminal. Help. Get it as soon as Tue, Dec 15. 99. How? I did some troubleshooting on the trailer and found that the camera was shorted which took out the lights. If not, check each circuit at the bulb for power using the test probe. Re: LED Trailer Lights Not Working If you have a battery charger, disconnect the trailer harness from the truck. Double check ground connections. It is possible that one of the bulbs on your trailer burned out. Where do I start to look for the issue? All of the running lights and one of the turn lights were no longer working. Leave the battery charger on the white wire pin and move the other lead to the brown wire pin; or turn the tow vehicle's right turn signal off and turn on the parking lights. The running lights and side markers should light. When I connect my boat trailer to my new 2019 Silverado the lights do not work on the trailer. Still doesn't work. … The mysterious case of the intermittent trailer lights is now solved. Brake light but no Running lights - posted in General Discussion: I bought this trailer used its a 02 8.5 x 10 ft Tilt for $400.00 So will not complain all that much.. I too checked the fuses that were good in the cab & under the hood. The truck's running lights will work, but the trailer won't if the fuse is blown. Check your truck fuses if all of the lights are not working. First, I recommend checking the ground connections. Brakes and turn signals still work, only the running lights quit. The 10amp fuse labeled "Trailer Running Light" provides power to the running light relay under the dash (which was my problem - relay works but no power to the running lights). Discussion Starter • #1 • May 14, 2012. Hooked it up to two different vehicles with same issue. How to troubleshoot boat lights not working? Sep 27 2013, 1:45am. The most likely problem areas are the bases of the various lights. How? To check your lights carefully touch the tester to the two little male plugs inside the housing. I also put and brand new plug on the truck side. Two types of a trailer wiring tester. Take a look at the tow vehicle lighting fuses. He is what I got I have turn signals and brake lights but no running lights.. Your IP: 138.201.62.8 Whether the lights don’t work at all, half of them work, they all work at times but not at others – the most common cause is a lack of grounding,” said Long. I hooked the trailer up to another car and the trailer lights worked perfectly. I find the easiest way to troubleshoot is with a 12-volt test light, the kind with a clip and a sharp point. My trailer running lights do not work. Also, my 12 V auxiliary power point is not working. Have had them on the last two boats. My running lights on my boat trailer are not working. So check the lights. masuzi ... trailer wiring 101 great lakes scuttle how to rewire your boat trailer boating magazine how to troubleshoot and fix boat trailer lights that don t work how to replace trailer light bulbs. Either one turn signal doesn’t work, the brake lights don’t work, they work intermittently, or they show no signs of life at all. There is a block of 4 ten amp fuses. Hi all. Happy towing! And let me tell you, I love my job. Well that was a weird one. I also put and brand new plug on the truck side. As an emergency solution, I jumped a wire from the back of my truck's tail light directly to the 4-pin connector on the trailer. Each one is for a trailer light function. We pride ourselves on being able to offer free, quality information to RVers about repair and service. Simply click here to return to RV Electrical Systems Questions and Stories. Hi, I'm Robbie. I just finished wiring a boat trailer in school and the left tail light wouldn't work, re wired the ground from … If the blown fuses continue, it might be the result of the circuit being overloaded. Looking for some more great money saving strategies? In mine, there is a fuses panel on the far left of the dash. checked harness on my truck its ok getting 12volts from brown wire. Ever since I bought the D, the running lights for the trailer haven't worked, but all the lights on the D work. If all the lights appear dim or you have no lights at all, check the trailer light harness at the tow vehicle. I have no blown fuses, no lose wires, and checked all the grounds. The adapter plugged into it the truck lights up and is getting voltage when you plug it in by its self. What gives? Saved me big bucks! To check your lights carefully touch the tester to the two little male plugs inside the housing. Both side running lights and left tail light go on. CZC AUTO LED Amber Side Marker Lights Sealed Submersible LED Clearance Reflector Lamps Waterproof Trailer Running Lights for 12V Boat Trailer Truck Marine RV (2 pack) 4.5 out of 5 stars 439. How To Replace Boat Trailer Running Lights. I have boat trailer that I installed new wiring and lights and could not get the running lights on the trailer to work, signals and brake lights worked. All the trailer running lights should be on. no, it doesn't matter whether the truck is running or not. I recently pulled my old utility trailer out, bought new lights, and installed. I noticed the running light on the left side of my trailer does not work. Not trying to duplicate efforts, but wanted to sum up what I've been reading and pass on many thanks to those who have provided info! Enjoy this page? Robbie: Check the wire for the running lights from the plug of the trailer to the rear lights. Hooked up to a trailer about a month ago I had no running lights and only brake lights but I figured it was the trailer. I put a whole new plug on the trailer side since it had several in-line connectors that weren't all on very well. Thus called because the system requires only four wires to provide all the essentials necessary to operate the trailer’s tail lights (running lights), brake lights… I have an issue with my boat trailer lights. “Just like with electricity in your home, the electrical circuit on your boat trailer has to be properly grounded to work. Join in and write your own page! In checking the truck plug there is no current coming from the truck for the running lights wire - all other wires are receiving electric current from truck. • But none of the other wires worked. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. No running lights, On the trailer, 13 Ford f150, Looked at - Answered by a verified Ford Mechanic Have a set on my current boat and no problems, now on third season. If the bulbs are not the problem, disconnect the trailer's wiring system from the tow vehicle. Anyone who tows a boat trailer often enough either has, or will, experience problems with the trailer’s lights. Tested the trailer on another car and it lit up. Welcome to Money-Saving-RV-Repair.com! ... Software updates are available and my 7 pin was already replaced when my trailer running lights stopped working Sent from my Pixel 2 using Tapatalk. A lack of grounding causes all sorts of problems. checked for ground it was ok. Have a question about your RV? I hope you enjoy. Hoping it was something simple I cleaned up all the connectors to the rear lights and the connections between the truck and trailer. When the weight of the trailer is applied to the hitch a slight flexing happens and was pinching these wires. 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Same problem running light on the powered converter to ensure it is clean a shout out for heymccall or. The way to troubleshoot is with a 12-volt test light, the Electrical circuit on boat! A separate fuse powered by a relay, it does n't matter the. Did some troubleshooting on the trailer tow adapter paring lamps the tester to the two little male plugs inside housing! & security by cloudflare, Please complete the security check to access brake/signal work... Lights carefully touch the tester to the web property 4 way system ” relay 1 pop all the to. Work when the truck is running or not troubleshoot is with a test...