Ford F-150 (2009-2014) :: 2012 - Service Lights Coming On Randomly / Turn Signals Will Not Work
Jun 2, 2017
My service advancetrac light comes on about once a month, seems random but when it does the turn signals will not work, you have to hold indicator in place for signals to work-not to safe. My local dealer has not been able to fix issue...
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I am getting ready to switch out the turn signal bulbs in my 2012 F150 to LED bulbs. I know on my previous truck (2006) I had to switch out the turn signal relay so the turn signal lights would not fast flash. On my 2012 it sounds like the flasher unit is up high in the dash board behind the instrument panel and I can't see it.
How to access it easily? I have seen on other forums the talk of there not being a flasher relay and being computer controlled, but there is one listed on Ford parts for the 2011 and 2012 F150s.
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So after a pretty harsh storm last night I was driving today and my wipers came on. Went to turn them off and nothing. My headlights and turn signals won't work either. When I pull the stalk to turn my high beams on my wipers go off. Parked the car and the dash lights stay on without my key and the wipers randomly go on and off. The blinkers in the rear remain lit with the car off as well. At work right now so nothing came up when I searched briefly but do any of you have any insight as to why my car is possessed? Going to check grounds when I get home.
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OK, I have looked everywhere I can think to look and can't fined anything on this. Dash lights how do you turn them off with the engine running. This is on a 2012 f150 xlt.
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This has been driving nuts for 2 days.... Brake lights dont work. Either pushing pedal or turning on lights. Turn signals work just fine.
Cab/cargo/3rd brake light on back of cab doesn't work either. I have checked/done the following:
- Checked Brake pedal switch for continuity. Tested fine.
- put multi meter on wiring all the way back to brake lights. No drop in voltage.
- changed bulbs. #3157 dual filament.
- positioned steering wheel all the way up and all the way down as suggested on here. No change.
- checked multi function switch (turn signal switch) for wiring issues. None found.
- kicked rear quarter panel for caveman adjustment out of frustration. No change.
What am I missing?
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I found out last night that all 3 of my brake lights are out. However, my tail lights work, and my turn-signals work. So obviously its not a big wiring deal. I was looking for the brake switch but i don't know where its at because i looked underneath. What fuse is the brake lights cause my manual doesn't have it listed. I drive a 04 Elantra GLS.
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Ok so I have a 2014 F-150 Screw fX4 with the projector headlights. 13356.0 km as I sit in it. I had turn signals the other day, but now none. I had the dealer disable the lamp outage to remove the hyper flash issue with led's. Sockets don't look burnt or anything everything is new. So here is what is working.
- mirrors turn indicators
- rear turn signals
- dash turn signals.
I have reinstalled my OEM bulbs and still have the issue, only my running lights are on the front. So it has power.
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I have checked all fuses, checked wires on top of steering column all checked out ok. Hazards work but when I press brake tail lights just blink with no brake light but the 3rd brake light works??? Signal switch maybe??
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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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I have a 2011 f150 xlt it didn't come with the mirrors that have turn indicators on them they have the dummy covers. Putting the indicators in there....
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I'm having problems with my front marker lights. The turn signals work but when I turn on the parking lights or headlights they don't work. They only work with the turn signals. And I can't get the front side marker lights to come on. I've tried everything...
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I just bought an 05 F250 XLT. I noticed tonight that the rear turn signals and brake lights don't work.
The front turn signals work fine, although they flash fast. I know that usually means a light on its way out. neither taillight flashes though, which puzzles me.
My second issue is that, of the 3 brake lights, only the high mounted light illuminates when I hit the brakes.
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My sons 2006 F350 brake lights and rear turn signals quit working. When the headlights are on, all the lights operate but the rear turn signals and brake lights do not nor do the emergency flashers. The front signals work but flash very rapidly. Although I'm not an auto electrician, I'm fairly mechanically inclined but the fact that the front signals work, the rear don't and all lights work as lights, just not as turn signals or brake lights.
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Every time I step on the brakes, there is a bright spark in fuse #13. My brake lights, turn signals and hazards don't work. At this point my truck isn't drivable.
According to the owner's manual in my truck, says circuit #13 is for "stop lamps, CHMSL/hazard, trailer tow stop lamp, and speed control."
I'm assuming that the hazard part covers the turn signals as well, but I know the cruise control works even when the fuse is blown. I used it last night on the way home (this was before I realized I didn't have brake lights).
So I know I have a short somewhere. The only mods I've done to the lights are aftermarket headlights, but if the fuse only gets blown when I step on the brakes, I don't see what that would have to do with it. Also, the lights have been installed and working for about a month before this started. The only thing that I did around the same time was install the gauges. I ran the power to them from #5, the customer access circuit.
Are there any other "common" areas for this to happen? I already removed the rear brake lights and it didn't work. I am quickly running out of 20A mini fuses.
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I've got a 98 Silverado. Break lights and rear turn signals won't work but tail lights and reverse lights work. Also the brake light on the cab does work.
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So I lent my santa fe to a buddy to do some hauling, I got it back yesterday and the turn signals and the brake lights don't work...notta. Regular running lights are working without issue, but no turn signals, no hazards, no brakes. Even the "tick, tick, tick" of the turn signal is gone, it's just dead.
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All of this happened at the same time so has to be related. The a/c system has no power, the brake lights and turn signals don't work, windows wont work, air bag light on. However, the park lights, head lights and hazards work fine. Starts and runs fine. All fuses check out ok. New battery as well.
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We have a 2012 Ford Flex with remote start. Remote start doesn't seem to work when car is on an incline. Backed car into driveway and started but won't when pulled in. Is this common Remote start is separate key fob.Remote start is factory.
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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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I have a 2010 f150 super crew, last night when leaving my baseball game I was shocked to find my running lights and my regular beam lights don't work. My high beams work fine but nothing else. I'm pretty sure the lights are an after market light, but I'm not positive since I purchased it used. I looked in manual to check for a fuse issue but I don't see anything regarding the headlights.
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I just got a 2000 F350 cc drw 7.3l.
I did search but have had no luck. My turn signals do not work, unless my foot is on the brake pedal my green arrow indicator wont even turn on. When they do my bulbs work but don't cycle so I know all the bulbs are good as I had my wife check all four corners when I got them to come on for a split second. I have tried replacing the MFS and the turn signal relay under the radio in the dash.... When I do turn on my blinkers I can hear the relay click once but that is it, no more.
I tried checking the wiring in the column and tilting the column to its extremes while trying to engage the turn signals. Also, if I unplug the brake light switch then I do not get an arrow on the IC to light up so I am guessing the power flows through that switch. I don't have a chilton manual yet and the owners manual was not in the truck. I did check fuse 23 ?
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