Ford Super Duty (1999-2016) :: No Right Turn Signal On Factory Trailer Harness
Aug 18, 2015
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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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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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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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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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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Is it possible to add the factory keyless entry without replacing the complete dash harness? I have an aftermarket unit I can add but I'd rather have oe if possible. Truck is an 2003 f250 v10.
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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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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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2016 F-250 Lariat Crew Cab.. How do I turn off the back-up alarm when backing up with my boat and trailer?
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I picked up a set of harley davidson look-a-like headlights online for my 05. I go to install them and when I tighten them up it causes the turn signal bulbs to push in towards the fender on both. I put my hand back there and it feels like the bulb socket is being forced against the header panel assembly. Am I missing something?
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My truck is a 1999 F-250 Super Duty 7.3 diesel. My left turn signal is fine. My right turn signal is going fast. The rear blinker lights up, but the front does not. So... no brainer... change the front bulb. I did. Twice. Sylvania 3157. It did not fix the problem...
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Buddy has a problem on his '03 F-450 cab and chassis. When he turns on a turn signal, everything is OK...but it goes out when he applies the brakes. Also, the brake failure light is lit up on the dash, despite the brakes being fine. These problems happened at the same time. I'm think a ground, but not sure where to look.
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I replaced the bulb and it's still not blinking and doing the quick blink on the front and mirror bulbs.
The bulb turns on when on parking lights; it just won't blink.
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2012 F250 left turn signal on all the time no right turn signal.
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My neighbors 02 250 6.8l the turn signal/hazard relay is clicking with key off, sounds exactly like a turn signal when truck is off and switches are not engaged. Here's the weird thing, if you hit the brakes the relay stops clicking, if you engage the turn signal or the hazards the lights on the dash are in time with the relay as it should be, but when the turn signal switch or hazards are turned off the relay keeps clicking except when you hit the brakes. Also the turn signal will work with ignition off, if you pull the relay out the turn signals and hazards are inoperable but the brake lights still work. I swapped in a new relay and same thing...
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While I know this has been covered before, I could not find anything pertinent to 2011-2015 model years.
So, I changed my turn signals to LEDs, and now I have the fast-blink behavior. I realize this is because of the significantly decreased amperage and resistance of the LED modules. I did a similar mod on my 2007, and simply found a replacement low-current blinker relay (on eBay, I think), and replaced it (it was physically located behind the extra small glove box near the middle of the dash.
My questions are, 1) for a 2015, should I use the same method of replacing the blinker relay? 2) Any brand and model that will work for this application and/or where one can be purchased and 3) Where is that relay located on the 2015 model? If not, should resistors be used?
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I have never liked that the headlights are below the turn signals on the newer super duties. Has anyone swapped the positions so the headlights are on top? Will be ordering a 2016 next week and this would be one mod I would like to do. Not having the truck yet, I have not been able to do any investigation on what this would take or if it is even possible.
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2004 F350 6.0 Diesel 2WD, Question is my trailor lights running lights work fine also the electric brake, but i have no stop or right or left turn signals the truck signals are all working perfect. The truck came with factory wiring i have checked it at the plug on the bumper with meter to make sure it was not the trailor. Looked for blown fuses and cant find anything what am i missing it should have seperate fuses for trailor lights ??
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