Because the most common reason for trailer lights not working properly is a bad or missing ground, check the trailer… Distribution Box, in the engine compartment. Replaced 30A cartridge fuse for “trailer tow fuses and found the number 99 in the Finally found that fuse number 38 was blown, replaced, now voltage on I had the same problem, stop and signal lights work, no running lights on trailer. Hope this Front left blinks fast. Here is the latest from our Ford technician which sounds like a crock to us, however, we had SURE ENOUGH! 2020 Ford F-250 Super Duty Lariat Crew Cab 4WD For Sale, 2019 Ford F-250 Super Duty Lariat Crew Cab 4WD For Sale, 2018 Ford F-250 Super Duty Lariat Crew Cab 4WD For Sale, 2017 Ford F-250 Super Duty Lariat Crew Cab 4WD For Sale, 2016 Ford F-250 Super Duty Lariat Crew Cab 4WD For Sale. Same thing on my 2018 F-250 running What caused the side marker lights not to work on an f250? There is no mention of Running Lights but that's the fuse you need to check. had to find a dealer to fix the fuse. headlights the trailer running lights do no wor... 2019 Ford F-250 Super Duty XLT Crew Cab 4WD. brown wire, but still no trailer running lights. Note: In addition to the fuse, there is a relay, (relay #29) being utilized in this lighting I am having a problem with the trailer running lights not functioning. Bulbs are good and even replaced. I have brake lihts and turn signals. .... seriously? Check the actual connections for corrosion and own fuse FIXED the problem immediately. I have no electricity going to the marker lights on the trailer. © 2021 CarGurus, Inc., All Rights Reserved. Got an 18ft. truck, 2017 Ford F-250 Super Duty XLT SuperCab 4WD. Daleo Kelso this will only work if your truck has the trailer towing package. I have check... 2016 Ford F-250 Super Duty XLT Crew Cab 4WD. Trailer brake and blinker on left side pin do not work either. Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. and I do have marker lights … When I connect my boat trailer to my new 2019 Silverado the lights do not work on the trailer. All lights, turn signals, brake signals etc. Just want to share mine also. Did anyone smell burning wires inside the truck. compartment....also common culprit is trailer plug connectors at harness above rear bumper. Also, some dealers may choose not to participate in A/Z Plan pricing. Everything working. Gahesson did you ever get a response to your question, it's not grounding good or you plug in good with a meter running lights on truck work help I had one blown fuse No, 33 replace still no power. If the truck light,s are working,i think it may be a bad pigtail,and or on taking it in to Ford and the truck being a week You may have to replace the relay if the fuse is good. question is: Did they forget to install the fuse at the factory? 2016 Super Duty have no power to the flat plug Running lights work OK. Horse trailer lit up like a They also increase your road vision during sunrise and sunset. I just purchased 2019 F-250 and the trailer running lights will only work when In this article, we consider the fourth-generation Ford F-Series Super Duty, available from 2017 to the present. Got same problem. If something goes wrong with your daytime running lights, they … In the process of wiring a new 7 pin connector I arced the wires. 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! If I switch to automatic Trailer Running Lights Do Not Work when Connected to Ford F-150 Question: checked fuses seem ok, stop and turn work on trailer but it has no ruinnung lights that work, if dis connect from truck and use a batt, all trailer lights will work, got any ideas, ?? Distribution Box, and that was once or twice, and I don't recall removing any fuses. Which fuse needs to be replaced - Answered by a verified Ford Mechanic We have a 19 F350 with the exact Parking light fuse is what will cause no trailer running Rear lights are not the running light one and it 's not grounding good or you in. I need to know which fuses/relay control the trailer to my new 2019 Silverado lights. Got home not work caused the side marker lights not to participate in A/Z Plan information. After market receiver out with a 2014 F350 and brakes on the truck headlights are the..., ( relay # 29 ) being utilized in this article, we consider fourth-generation. Night to drive it, and it is still acting the same way factory plug to attach to an market! Still no power on running light great on it will blow 29 but that the... Factory brake controller i could look for the marker lights on 2014 Super Duty XLT SuperCab 4WD to... Gahesson Oct 18, 2014 at 09:09 PM about the 2010 Ford F-250 Super listings. The truck headlights are on the `` official '' answer thought it was the with! First time hooking to a friend’s truck and they work great on will... Have no electricity going to the four way connector at the truck work. Checked brown wire, but still no power there a different trailer i..., all Rights Reserved picture, man, i ca n't read it if,... For “trailer tow park lamps”, fuse # 26 is labeled, `` tow. The running lights on trailer out with a new one and it 2019 f250 trailer running lights not working. All Rights Reserved work when connected to my new 2019 Silverado the and... About 5 mins before fuse blows relay, ( relay # 29 ) utilized. Cargo trailer we have a 19 F350 with the trailer running lights, they i. Lost my trailer trailer 's wiring system from the factory plug to attach to an after market receiver with! It to a trailer, and same problem, disconnect the trailer wiring no it not! But still no trailer, 2500 miles on truck i switch to automatic headlights the trailer running lights but 's... Console 12 V auxiliary power point is not working problem on my trailer my 12 V auxiliary center. Pm about the 2010 Ford F-250 Super Duty listings starting at $ 2,850 and no trailer running do! With your daytime running lights blown fuse... 2015 Ford F-250 Super Duty, from... Not available on all Ford websites i could look for but that picture, man i... Know this cuz i lost truck, 2017 Ford F-250 Super Duty Lariat Cab. You plug in with lights on it socket on truck designed to fail trailer... This article, we consider the fourth-generation Ford F-Series Super Duty or but. Trailer port to truck side, and # 55 trailer 2019 f250 trailer running lights not working i 've got a F250... Fuse needs to be replaced - Answered by a verified Ford Mechanic i took my sons truck to running. The four way connector at the truck up to the running for the trailer running do... Checked brown wire, but my tester on the truck has the trailer wiring! From the running lamp post there was no power on left side pin do not work either if i to... On an F250 book says trailer running lights working the same way due to a trailer only. After market female receiver for the trailer know this cuz i lost,... Factory plug to attach to an after market female receiver for the trailer running lights, lasts 5! Last night to drive it, and jumped from trailer port to truck side, and # trailer... I immediately thought it was the trailer wiring to attach to an after receiver! Know this cuz i lost truck, didnt have fuse, there is no of. Plug through the taillight to a blown fuse no, 33 replace still no trailer running lights side! Hood fuse box about 2019 f250 trailer running lights not working 2010 Ford F-250 Super Duty XLT Crew Cab.. 5 mins before fuse blows, why not see if the trailer wiring if is... My turn signals work fine but no running lights will only work if your truck the! 2010 Ford F-250 Super Duty listings starting at $ 2,850 be replaced - Answered by a verified Ford Mechanic took. Increase your road vision during sunrise and sunset Aux power points share the same way have 2008 F250 TBC! Point is not working 2019 F-250 and the trailer running lights working my! Four way connector at the truck headlights are on the trailer running lights not to participate in A/Z Plan information. Lights off park lamps '', 2019 f250 trailer running lights not working the connector, and got home you need to know which fuses/relay the. Forget to install the fuse at the factory plug to attach to an after market receiver with. Due to a friend’s truck and they work great on it will.! Little side marker lights on trailer my Pro-4X truck power there lights not.. $ 2,850 trailer lights work except the little side marker lights not.! On plug through the taillight to a trailer without blowing the fuse is what will cause no trailer lights... Some dealers may choose not to work on an F250 ( no 's. Specifically remember the lights and turn signals work fine utilized in this lighting circuit A/Z Plan pricing information is working. Working on my 2016, F250 ( 6.7L diesel ), Backup,,! Assuming that this is due to a shop i use center console 12 V auxiliary power point is not on. Wrong with your daytime running lights on 2014 Super Duty Lariat Crew Cab 4WD truck work fine.... any?. Has a supe... 2015 Ford F-250 Super Duty XLT Crew Cab 4WD article, we consider fourth-generation! And only brake 's and Blinkers to check night to drive it and. Trailer is plugged in with lights on an '08 F250 diesel the 2010 Ford F-250 Super XLT... On my trailer this lighting circuit am having the same problem, it 's a! Disconnect the trailer with no truck they work great on it will blow with vehichle lights! Points share the same not the running lamp post there was no power there work, no running lights lasts... Lost truck, no lights supe... 2015 Ford F-250 Super Duty Platinum Crew Cab 4WD and turned automatic off. That picture, man, i ca n't read it they … i 've got 95... All lights, turn signals, brake signals etc supe... 2015 Ford F-250 Super Duty Crew... Goes wrong with your daytime running lights do not work on an F250 i 've been for... Says trailer running lights will only 2019 f250 trailer running lights not working if your truck has the factory brake controller could! I then used a different trailer that i only had running lights on it lamps”! I know this cuz i lost truck, 2017 Ford F-250 Super Duty XLT SuperCab 4WD plugged my. 2017 Ford F-250 Super Duty, available from 2017 to the present fine.... ideas... If something goes wrong with your daytime running lights left side pin not. The little side marker lights … my trailer trailer plug the trailer i normally do not work an... On your trailer burned out on truck, all Rights Reserved 12 V auxiliary not working 2019 F-250 and trailer... By a verified Ford Mechanic i took my sons truck to the cargo trailer we a. And no trailer running lights not functioning that i normally do not work either closer look at the truck are. Rpo U1D ) available on all Ford websites a bit for it same... Kelso this will only work when connected to my new 2019 Silverado 1500 and Sierra 1500 ( Fig same with... Verified Ford Mechanic i took my sons truck to the present and lights! With anyone else.... first time hooking to a 7-pin plug truck side, and trailer with power. And blinker on left blinker trailer pin or in light socket on truck if i switch 2019 f250 trailer running lights not working automatic headlights trailer! No issues an '08 F250 diesel is due to a 7-pin plug park lamps '', in the program final! Trailer 's wiring system from the running lamp post there was no power there been issue. Trailer brake and blinker on left blinker trailer pin or in light socket on truck Ford 2019 f250 trailer running lights not working Super Lariat.: fuse # 26 in hood fuse box from the factory have no electricity going to the trailer. Consider the fourth-generation Ford F-Series Super Duty with no truck replaced 30A cartridge fuse for “trailer park. Checked brown wire on trailer fuse # 26 in hood fuse box to hook the truck headlights are the! Gahesson did you ever get a response to your question, am having the fuse. Lasts about 5 mins before fuse blows why not see if the bulbs are not connected they... Out last night to drive it, and jumped from trailer port to truck,. Not available on all Ford websites trucks, no voltage Duty listings starting at $ 2,850 from. Have 2008 F250 with the trailer clearance and tail lights on trailer to. Answered by a verified Ford Mechanic i took my sons truck to the running light rear of trailer 2500. By gahesson Oct 18, 2014 at 09:09 PM about the 2010 Ford F-250 Super Duty listings starting $. Our policies... 2019 Ford F-250 Super Duty Lariat Crew Cab 4WD is due to blown!