Ford F-150 (2009-2014) :: Fuse For Trailer Brake And Turn Signal
Apr 20, 2014
I have read and re-read the owners manual fuse section. Can't find what fuse I blew. I do not have trailer brake or turn signal on either side. I do have running lights on the trailer. Which fuse or fuses control the brake and turn signal lights on a 2012 F-150 ecoboost. I had them all a month ago, but bought a new trailer and first time I pulled it the lights went out. Figured I blew a fuse, but can't find the one! No power at the receiver.
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My father has a 2009 F-150 with almost 25,000 miles. (he leaves it in garage and polishes it weekly) He just purchased a new dual axle trailer with electric brakes and led lights. When we hook up the trailer and press the Brake, turn signal or hazards, we blow a under hood fuse (48 if I remember correctly). When connected to either of his other 2 trailers, everything works and no issues. When I connect my 2014 suburban, the new trailer works perfectly. He does not have a brake controller installed on the F-150 yet. It does have the 7 pin and 4 pin plugs under the bumper.
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I've got a 2001 f150 supercrew 4x4 with the 4.6. I plugged in trailer lights and now I have no brake, turn signal, or hazard lights. I've checked fuses and none are blown.
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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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Hooked up to my trailer and I have running lights but no turn signals, brake lights, or trailer brakes. I pulled plugged in my other vehicle to the trailer and everything works fine. My truck is a 2011 with the factory trailer brake control and pigtail connection. It worked fine last year.
I checked the connector with a test light and there is only power to the running lights. I then disconnected the plug at the back of the trailer connector and tested there and got the same results. Are there particular fuses or relays I should look at?
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2010 F-150 owner. Why my left trailer-stop/turn will not work on any of my trailers. This issues has happen to me in the past due to a wire grounding out in one of my trailers, I have fixed the issue in the past by changing the 20amp trailer/tow fuse, this time the fuse looks fine and I am still not having any luck finding the issue. I have went through my manual to see if it could be a different fuse and they all seem to check out ok, I have also messed around with the relays and they seem to be fine too?
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Jumped in the truck this evening to go to the store and when I stared it up the left turn signal was blinking. Lifted the arm as usual to cancel and it does not cancel. Cannot get the left signal off unless I hold the turn signal up for the right signal. The right signal does not activate, but the left does go out as long as I hold the arm up. Let go and the left starts blinking again. Tried driving around to see if it would cancel and no luck. The bulbs are all good. I checked the relays in the fuse panel and they are good. Dang thing just won't shut off. It is a 2011 F150 SCREW Platinum w/5.0.
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Setup my Reese brake controller on my 2011 today. The lights, turnsignals, and brakes work when I push the brake pedal. But when I move the lever on the controller, I get nothing. Also, on the info screen, it still says trailer disconnected. What gives?
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Driving the wife's 150 EB today and is it just me or is the noise made by the turn signal relay really loud??
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2014 lariat crew w/10k miles...let son drive it on date & somehow came back with snapped off turn signal/multi-switch...had local mechanic replace-now button on end doesn't activate wipers or washer spray (actual wiper switch works, as does dimmer function & signals). Mechanic rechecked & says all ok but switch may need to be programmed by dealer...really?? Seems like it would b plug-n-play. Why just the washer function wouldn't work?
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I have just bought on 09 XLT, and wouldn't you know it, I was behind a Lariet that made a left hand turn, and then I saw something my truck does not have... the turn signal LED at the bottom left hand side of it's mirror. And guess what? Now I want that too! I have seen some other threads about this on other web sites, but as far as I am concerned, this site is the last word on anything Ford truck! I have a couple of questions:
What is the Ford part # for the mirror turn signal lights? Also I would like to install the reflectors in front of the mirrors so I can add LEDs to them too. What is the part numbers for the front reflectors? And lastly, I would like to try not to tear up more than I need too, so would there already be the turn signal wires I could connect inside the mirror housing? Or since this does not have that option from the factory am I going to have to take the mirror off the truck and run those myself?
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I have an issue that popped up on my 2012 F-150 today. I was driving a bit today and when I returned home and shut the truck off I noticed that the right turn signal indicator stayed faintly illuminated. None of the lights outside are affected, and they all work normally, just that the indicator on the dash is staying lit.
The only thing I can see is that last week I smashed up the drivers side mirror and it busted the lens off of the LED lights in the mirror and 1 LED bulb is exposed. It did rain a bit today but I figured it would short out and blow a fuse if anything.
I will undo the negative battery cable tomorrow and see if it will reset, if not I will have te dealer check it out when I drop it off to have the roof reprinted next week.
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Looking for a tutorial on how to remove the multi-function switch? I have the, seemingly, common issue of wipers not turning off. I bought the new switch, but don't see how to get it out without taking the whole steering wheel off. I can't get to the screws on it at all. I got the plastic covers off, but can't see how to get the switch out.
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I thought I saw someone had converted the reflectors on the front of the side mirrors to turn signal flashers on the 2010-2012 F150. Where I can find that write up?
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We just bought a 2013 Casita 17' camping trailer, which has Dexter electric brakes. The OEM brake controller in the Expy recognizes the trailer, and the electronic gain adjustment seems to work. But it does not actuate the brakes. I checked the terminal on the 7-wire connector, and the blue wire that feeds that terminal, and there is no current when we press the brake pedal. So the problem would appear to be with the Expy and not with the trailer.
I am not getting an error message on the Information Display, which the manual says I should if there is an interrupt or short. I checked the 30A fuse for the line and it looks OK, as does the fuse for the controller. So what's the problem?
The previous owner never used the electric brakes; he was actually unaware the trailer had them. The Casita is light enough that he could tow it with a Nissan Frontier V6 pickup. I was worried that the drums might be rusted and/or the brakes inoperative after not being used for three years, but I took a wheel off and adjusted one, and it would adjust to the point where I couldn't turn the drum; then I backed it off a little. Besides, there's no current at the terminal on the Expy!
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Last night I was heading home from a two day race and found that my turn signals wasn't working. the running lights are working and obviously i could feel the brakes working.
well i hooked up some jumpers to a 12v battery and the 7 pin and the lights work. to make 100% sure it works i hooked it up to my neighbors Tacoma. it all worked. well..........
On my last f150 when it was new this happened to me too. it ended up being the turn signal fuse on my truck.
I hooked right back to my truck again and just made sure my plug was all the way in and still nothing so i know its my truck side.
Now my last f150 owners manual had a section to where it told you what fuse is what and where. well i don't even see the f250 fuse box is and don't know which one it is to see if its blown.
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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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I have a 1990 f-150 that periodically (and rapidly) blows the fuse for the turn signals. The brake/tail lights continue to work, but just the turn signals quits. Looking for a schematic of those systems?
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I have a 2012 Ford 4x4 crew cab 150 xlt. 15,000 miles. When pulling my dump trailer I was stopping to turn and the transmission disengaged. Once I turned the corner coasting the transmission kicked back in again. During this happening pushing the gas did nothing but rev up engine. My dealer said if this happened that a warning light would of came on or a wrench would appear on dash but it didn't. He said then it didn't happen. This happened 3 times in 10 miles of driving. I had it in tow mode.
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Today while towing a 10ft trailer with a golf cart my truck seemed kind of under powered.It has the 5.0 with 3.73 rear end.When I got to where I was going I looked under my truck and there were spots all over the rear end and axle and frame that looked like oil or transmission fluid. I cannot find any noticeable leaks. The air temp today was 100 and the transmission gauge stayed around 200.
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I have a 2011 Ford F-150 XLT. I did take the fuses out of the glovebox and installed them. So trailer lights and blinkers work fine. I just purchased a small teardrop tailer. My problem is that the trailer lights are always on when plugged into the truck.They are on even when lights are off and key is out.
I am assuming that the problem is with the wiring of the trailer harness but I wanted to ask here first in case the problem might be with the truck. I have never had a trailer so I am unsure if the 7 prong plug is always hot. Obviously it is on my truck. Is this way it should be?
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