Ford Super Duty (1999-2016) :: 2005 F250 - No Trailer Running Lights
May 18, 2016
I have a 2005 Ford F-250. I have checked power to the rear harness and all is good except for the tail/running lights.
Is there a fuse for the tail lights? I have checked the manual and don't see one called out. And the relays under the hood are labeled stop lights/turn signals and those are working fine.
I will see if I can trace the brown wire from the rear harness backwards, but it may be a simple fuse.
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I have a 2005 ford f250 with the factory installed brake controller and towing package,until recently all was well,I tow a fairly large travel trailer and last time I hooked the trailer to the truck I noticed the running lights on the trailer were lit, I checked to make sure that I did not have the parking lights turned on or the headlights. I did find posts about the running lights not working and was surprised to find there is a relay somewhere on the central junction fuse block that was integral to the cfb and not user serviceable. Could my problem be that this relay failed in the closed position or am I not going in the right direction in my quest to find this problem. Also looking for a diagram of where this relay is located on the central junction fuse block? I would also consider doing a work around solution rather than having to replace the entire fuse block.
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I have an 05 f350. I cannot get trailer running lights to work. All other lights work. Trailer brakes work, battery charge for dump trailer. I've checked fuses under dash and under hood. Everything checks out. I'm Stumped.
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2013 F250 XL with factory towing package.
My camper and boat trailer do not have turning signal or brake lights when plugged into the round seven pin trailer connector. I have tried both the connector in the bed and under the bumper. I've also connected the trailers to other trucks and the lights work fine so I know the problem is in my truck.
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03 f350 7.3L. Have no power for the trailer running lights at the connector end. No power when the end is split and no power at the next connector above the spare tire. I have power at the fuse (38) and the fuse is good. What is the best connection to check next? Is there a common culprit that might cause this problem somewhere? I know 3 more connectors are in the frame by the fuel tank but pretty much lose track of which one might have the wire for the trailer.
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My 99 f250 ran hot while towing my travel trailer when the fan clutch gave up. ever since iv been noticing coolant loss and pressure in the day tank.ive changed the water pump,radiator. day tank and cap plus the thermostat.
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Any limited number of lights the factory trailer harness on the truck can tolerate? I'm looking to add some extra running lights on my trailer, also want to put a couple of lights on each running board on the truck, they will be tied in with the trailer harness since it is not monitored by the BCM. I did a search on this a few different ways and couldn't find anything.
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I am having a problem with trailer lights and an 03 350. When the truck is in reverse the fuse for travel trailer running lights and tail lights blows immediately. Changing plugs on the truck did not work. Truck has been hooked up to 4 other trailers including another travel trailer with no problems. Our travel trailer has been hooked up to an 08 and a 2011 truck with no problems. Fuse 38 20 amp. 7 post rv plug.
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The rear tail lights on my truck have been out for a while now. I wasn't doing much driving at night so it wasn't much of a bother but the new job is getting me home a little later and having to drive with my hazards on is getting old fast.
My radio wasn't working either and I disconnected it a while back hoping maybe it had something to do with my lights shorting out but no luck. It remains disconnected. Just in the past few days my front running lights have went out as well.
I've tested all fuses multiple times (and replaced a couple of them) and checked and replaced bulbs. My brake lights, headlights, dash lights and hazards all work fine. I have the trailer light hook up on the rear bumper and disconnected it at the wiring harness as well hoping it was the problem but it wasn't.
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Just bought a 2002 F-250 Crew Cab. It has the factory style running boards with the lights at each end. None of them where working so I changed the bulbs and still nothing. I decided to follow the wiring to make sure everything was good and found that neither one of the boards are plugged into anything. They both have about a 2' loomed harness with a plug on the end of each board and it is zipped tied to the frame. But there is no wiring nearby to plug it into, I have checked everywhere. I can run extra wiring no problem if I can find out where they are supposed to plug at.
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Looking for some info on wiring up some Day Lights Running Lights on a 2016 F250 with diesel engine? Thinking of adding LED lights to front of vehicle for day time use.
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I have a 2005 F250 that the brake lights are not working when brakes are applied. The rear blinkers and flashers are working. what could be my problem.
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I just purchased a '12 f250 Lariat w/ 39k miles. When I got home I noticed one of the three LED running board lights does not work on the passenger side. Can I replace this myself?
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I have a 1995 Ford f250 Powerstroke and i do not have turn signals, rear running lights, brake lights or reverse lights. i checked the fuses and they seem to be good but i dont want to tear everything out to check the harness if it could be a bad ground. any insight?
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Any info if the "Aux" terminal on the trailer harness wiring on '01 F250s is for reverse lighting? I'd like to put some on my stock trailer. Also, is the "12v" terminal feed switch operated or hot always?
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Where I can find a good used or a good deal on a new factory trailer brake controller to fit a 2006 F250 Diesel Truck?
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2005 F250 6.0L ... My truck is running really rough when the engine isn't all the way quite warmed up. once the truck is fully warmed up to normal running temp it runs good. I am getting four engine codes. P0672, P0673, P0674, P0676 These codes say 2,3,4, and 6 glow plugs have a open circuit. Can this be the cause of my problem?
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I have (2) 2014 f250's both have given the trailer disconnected message randomly from the day they were new. Dealer says everything is with in specification. I just live with it now but something must be wrong with the design. Only does it when no trailer is connected an might be worse when it rains. Might have to hit the ok button every 10 minutes so on bad days.
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So the other day 2/3/2014 my dad and I went out during the snow storm for the people that needed assistance. That day I pulled a 95' RWD dually with a 4 car open trailer and pushed 4 people from one location. Then after I went to assist the tractor trailer driver. My truck is a 2002 F250 super duty 5.4L with 4:10 gears. I got him unstuck then pulled him a 1/2 mile up a hill.
Pulling a stuck semi out of the snow - YouTube .....
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I tow a 5th wheel with my 2014 F-250 that has an factory TBC. I just installed Electric over Hydraulic disc brakes on my 5th wheel and was trying to see if there was a setting I needed to change on the TBC to tell it that is now E/H versus E. In the Information section of the dashboard display it talks about the controller actuating electric drum brakes but the manual talks about it being able to do electric AND E/H. What I need to do here...if anything?
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2010 F250 Lariat, cab and a half, PSD. 5600 miles.
Sunday I started the pickup and received "trailer brake module fault" in the message center. I wasn't pulling so wasn't too concerned - hit the reset and continued on.
Sunday night I started the pickup again and received the same message followed by "check brake system". I also lost illuminated gear selection, the traction control active symbol was displayed and the traction control "off" (PB) was illuminated. After several attempts it reset, everything returned to normal and I was able to get home without incident.
Monday morning it wouldn't start. It indicated "trailer brake module fault", "check brake system", traction control active and off, no gear indication, the odometer indicated "-------" and it did not react to the key in the start position.
Tuesday morning I attempted to start and it was the same as the previous attempt. I noticed that the theft prevention appeared active (flashing) so I removed the key, locked the doors, unlocked the doors, tried again - no joy.
I kept trying while holding my mouth in different positions and finally by the grace of God it fired. I delivered it to the dealer.
The dealer called yesterday afternoon and reported that everything is a result of a bad trailer brake module. The new one is to arrive today, they will install and everything will be peachy.
I asked if they could just unplug it and reprogram the truck to believe it never had one - the service writer said it can't be done, different piece parts on trucks with or without trailer brakes.
I really have no choice but to push the "I believe" button and carry on but I am slightly concerned. The fact that the trailer brake module can cause catastrophic failure doesn't seem too cool, I don't have a real warm and fuzzy feeling associated with venturing far from pavement, reliable communication or alternative transportation.
In the meantime I suggest that no one take "trailer brake module failure" lightly.
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