Ford Super Duty (1999-2016) :: Trailer Light Replacement Harness
Feb 6, 2017
The pigtail from my bumper mounted 7-pin to the factory connector is all hacked up from the previous owner so I'm looking to replace that pigtail. Also wondering if there should be 2 connectors down there to add a connector for my gooseneck or do I need to splice another universal 7-pin into the bumper light pigtail? Also, is there another (preferably slightly cheaper) option besides e-trailer for such a connector?
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I am looking at getting my new truck, my 05 F350 6.0, with factory trailer brake controller, all set up for a gooseneck. I was wondering if there was an OEM kit to add a trailer connection plug to the inside of the bed? If there is, what are the part number(s)?
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I'm still fighting tow harness problems on my '01 F 250. I started by replacing the 7-way pig tail with a new one which didn't work. Then I undid all the butchering of the harness that was done previously. The factory harness had scotch locks all over it that were used to splice in a 6-way and a 7-way into the bed. I liquid taped all the nicks in the wires. Then I checked for power at the factory harness end where the pigtail plugs in. I have park/running lights, and one of the ports flashes for the left turn signal/flashers/stop lamps. I got rained on before I could check further up the wire. If I have no power to the wire further up is there another place to check?
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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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I recently purchased a 2011 F550 Super Duty with a flatbed mounted on it. Turns out, the trailer wiring harness is totally screwed up and I am getting tons of shorts whenever it rains. Going through it front to back, we are finding multiple problems like missing fuse box covers, damaged fuses for starters. The Ford dealership in Texas that did my prepurchase inspection for me totally missed all of this, so i am stuck holding the short end.
IN the rear of the truck we detected shorts in several areas. One of them is in this adapter pictured along with this. Is this a Ford part, or does it appear aftermarket? Is it just an adapter or is it more than that? I am just now getting to l know this truck more specifically. given the date of manufacture on the label it would seem to be from Ford??? Part # is 99-004 and 71-012-A...
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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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We bought a 2012 f550 chassis and had a utility bed outfited. As far as I know the truck does not have a tow package (major F-up). They did install a receiver and electric in the rear. The 7 way pin in the rear does have the appropriate wires (including blue). I can not find the harness in the cab under the dash. I have looked near the radio where I have found the harness on our other trucks. I specifically looked for the red white and blue wire under there. Where is this harness? Is the harness still in the cab even without the tow package? This will be for the old school plug in controller, not the ford intergrated contoller.
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I have a 2006 F250 and my 7pin and 4 pin connectors are just hanging loose. I'm not sure what happened to the factory bracket. What is the part number for this bracket? Also, where does it mount to? I looked under the truck and couldnt tell where the factory one mounts.
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I have been tracking down my ABS light and found that the left front wheel speed sensor has had the wiring harness ripped off from behind the front wheel. I have about 2ft of the harness coming off of the actual sensor.
Question is, since I cannot locate any wires that this seems to be able to be connected to, can I simply cut and splice these wires directly into the Tan/Black + Tan/Lt Green wires going straight to my ABS controller?
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A week ago last Saturday I bought a 2006 F250 Lariat Crew Cab with the 6.0 and 4WD. The truck is really clean and only has 68,000 miles on it. Here's my question: I needed to tow a boat today and I discovered I have no power, at all, at the trailer light plug receptacle. Nothing at the 7-pin nor the flat-4. I looked through the manual and checked every fuse that had the word trailer associated with it and I can also feel the turn signal relays clicking with the flashers on.
Am I missing something really simple or do I just need to follow the wire harness from the back and look for something that is not connected? It seems kind of weird for it to be just....dead.
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I replaced all the exterior bulbs in my 2013 F250 6.7L with LED bulbs. My trailer lights work but brake and signals don't work on the trailer.
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Was moving a boat on a trailer with surge brakes and found I could not back it up. Found that I had no power on the center pin on the round 7 seven trailer connector.
When backing this type of trailer the back up light power opens a solenoid that keeps the brakes from working in reverse. Don't know how long its been like this because this is the first time I moved this trailer. The question is where is the fuse and or relay for this. The back up lights on the truck do work.
2007 F350 6.0 ....
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Have a 2008 F-450 that I just got and the trailer light outlet does not work. There is constant power to one pin and nothing on the tail/turn/stop pins. I have checked all of the fuses and relays and they seem to been fine. And yes, I did a search and did not come up with anything.
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I found these on my buddies truck, its on the frame rail on both sides. I have the connectors and lights to install but there is no power at the harness. Is this something the dealer has to "reflash" in the pcm to make these light up? I assume they should operate while unlocking the doors or opening, ign. on or off.
YouTube.....
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I have a 08 F350 CC with the factory fog lights. One of them has burnt out. Do I replace just the bulb or the entire unit? Is there a part number?
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I noticed I was not shifting into 4x4 electronically and replaced the blown fuse in the engine compartment. Now the 4x4 light goes on, but I don't think it is engaging the system...
The back end breaks free very easily, but there seems to be a little pull in the front. Is it possible to have unequal power to the wheels?
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How does the truck know that there is a trailer connected?
With my cab-over camper and no trailer as soon as I go to reverse the back up alarm goes off. I thought I would wire in a marker light to the trailer brake circuit but that didn't do it, maybe not enough resistance? The truck still says no trailer.
How I can fool the system so that when I load the camper it looks like a trailer to the truck?
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How to change my map light bulbs over the front seat of my new (to me) 2010 F250 King Ranch with a sunroof. I have tried to remove the whole assembly with a plastic trim tool with no success. I have pulled as hard as I dare and figure there must be a procedure I am missing. It appears to me that the whole assembly has to be pulled down.
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I am looking into replacing my cab light bulbs with amber led's. What ones do you recommend? There are so many available out there. I don't want some cheap crap! Also, what is the bulb type in are in the mirrors for the parking light and turn signal?
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Well, it seems the cover on my trailer connector got broken off. The cover locks the trailer plug into the truck side. The connector on the truck is/was supplied by Ford. Now the dealer say NLA, only 2005 and up. Truck is 99 F250 SD. Plug is 4/7 way. Where can I locate a direct plug-in replacement? I do not want to be cutting and splicing.
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Not working at plug.
I see there is right turn/stop relay.
Does this relay ever go bad?
All other trailer lights work.
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