Ford Super Duty (1999-2016) :: No Power To Trailer Light Bulb?
Mar 3, 2015
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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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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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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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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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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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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A cab light (OEM) has burned out. I'd like to replace it. What style/part number bulbs are used?
The closest tangential reference I can find is to 194, with additional references to 168 and 912. A Google Image Search of makes it seem like I'm getting warmer.
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My husband and I bought a 09 f-250 with 58000 miles. It used to pull our travel trailer with no power issues. Now the rpms go up & the power goes down. It never gets hot nor any lights come on. It's been in the shop twice. The first time nothing was found. The second time we were told it was dirty fuel filters. The truck only has 70k miles...
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I have a question about my new to me 2006 F-250 CC, 4x4. Resource the 12-volt accessory supply wire that goes to pin #4 on the 7 pin trailer connector? We have interior lights in our enclosed race trailer and it's a bit of a pain to have to turn the key on to use the lights. Just don't want to run a direct fused wire from the battery to the plug if I don't have to.
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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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The battery light blinks in my truck. It's not a controlled blink, but it flickers like a loose bulb. It started a week or so ago. It would blip every once in a while. Gradually it would start to flicker more often. At first I thought it was belt-related but it isn't related to the transmission shifting at all. So if you're thinking that it's belt-related, you're going to have to explain why it doesn't blink either right before or right after a transmission shift (i.e. a rapid change in engine speed).
Earlier in the week, the light was flickering so hard that it was virtually on. I drove home last night and didn't see it once, although that's the first time I haven't seen it happen at all in a week. The battery gauge itself doesn't move a bit while this is happening. I have a cigarette lighter voltmeter and it shows a pretty steady 14.1 volts regardless of whether the light is flickering or not.
I had the batteries tested in my truck by a real battery shop about 4 months ago and they are fine. The battery connections all seem tight and clean, and the belt, tensioner and all that seems fine. So..What can cause a battery light to come on that isn't voltage related?
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How to remove the orange cover to replace the bulb in the driver side mirror - tried but worried I'm going to break it...
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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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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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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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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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Went to hook up my trailer today and both the trailer plugs do not work. I checked the fuses and all is well. They worked fine the other day but now they don't work at all. I confirmed this by hooking up to another trailer and nothing. Also got another truck and went to trailers and it worked.
My truck has 19000 miles so it's practically new. I have never seen this. I called dealer but they can't see it til next week and I need the trailer brakes and lights. Where could I look or what could the problem be?
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The door on my trailer plug is broken. I can't seem to find just the door. Need to get one without having to buy the whole plug assembly?
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So the other weekend I hooked up to my buddys landscaping trailer, everything was fine until I plugged in the harness, No Lights...no big deal cuz it wasn't much of a drive, but I gotta haul a boat tomorrow a little ways and Id like to be legal.
I need cleaning my trailer plugs. What is the best way to clean the terminals on the small 4 prong? The big plug is fine, just a little dirt inside the cover, but I am still going to clean the contacts and put di-electric grease on them.
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I've just bought a new 2016 SD xlt. The only extra I wanted that is missing is the factory trailer brake controller. The dealer told me it had to be programmed. I was expecting plug and play and planned to do it myself till they told me that. Is this true?
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Have recently been getting a "TBC Fault" message and the Beep, as the message goes on and off(annoying) looked around think its the Controler itself,,If I move the slider, and Jiggle it,,the message Blinks on and off as I move the Slider,,,Looking for the method of removing it from the Cubby Hole,,,Gave it a tug,,,and wiggle did not move must have a Clip or Tab to release it.
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