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Am I crazy? (truck "issue")

Old 10-20-2019, 02:43 PM
  #21  
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The blinker isn't the problem, it's your sound system, it's not playing loud enough. A good sound system fixes almost all road and mechanical noise issues in a vehicle.
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Old 10-20-2019, 02:56 PM
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Originally Posted by Kenny Powers View Post
2018 F150; and there's one thing that's bugged me since I've owned it. The blinker pattern has an irregularity to it. It's not that noticeable to a casual observation, but my OCD has picked up on it since day one. It's not all the time, just randomly appears; and it's not all that far off. The best way I can describe it, as a guitar player, it's like having a drummer who can't hold the beat. Probably only off a few milliseconds, but it's enough to drive me nuts. It doesn't discriminate between the soft-touch 3 blinks and the full blinker ON.... just shows up randomly. I feel like I'd get laughed at trying to explain it to the dealership; and I'd bet a paycheck they "can't reproduce it." Anybody ever experienced something like this?
did you install LED bulbs? That may be throwing off the electronics as at this point I am 95% certain that that vehicle does not come stock from the factory with LED bulbs and that may be causing your issue… It is Sunday and I just got with 1 of electrical techs and they are pretty certain thatIt does not have LED bulbs.
Cause I am actually Qc’ing a 2018 F150 right now in the front bulbs do not appear to be LED whatsoever.
If you didn’t change the bulbs and you just assume that their LEDs obviously the problem lies elsewhere. The one I’m driving right now is 100% without a doubt in sync and doesn’t have an erratic heartbeat…

Last edited by Slater; 10-20-2019 at 03:02 PM.
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Old 10-20-2019, 02:58 PM
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In Maryland the use of a turn signal is considered treason, sharing of secret information with the enemy
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Old 10-20-2019, 02:58 PM
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Originally Posted by obbayer View Post
I seriously doubt there's a relay anymore. More likely controlled by a black box $$$$

Check connections at the bulbs, maybe one is randomly loosing connection.
Im not sure about the no relay part but when a bulb goes bad the blinker speeds up. I realize your settles back to normal but a loose connection at the bulb might be the culprit
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Old 10-20-2019, 03:01 PM
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Here in the Northeast we consider blinkers as a sign of weakness
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Old 10-20-2019, 03:07 PM
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Ford's blinker noise is generated by the sound system.. want proof? While in Drive, with your foot on the brake. Put your blinker on and open your door. It should warn you about the door and no blinker noise..
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Old 10-20-2019, 03:14 PM
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If that's the biggest, or only, issue with your F150 you should forget about it and keep on driving. After living with the common slip yoke problem for 125k miles (which Ford denied repeatedly) then finally giving up on the truck due to issues with total power loss (on highways) because of some indeterminate issue with the turbos, we traded it in. Still miss that truck but not the issues, wish mine only had a blinker rhythm issue.
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Old 10-20-2019, 03:25 PM
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Does your state have a lemon law? If it does in true THT fashion it's time to LAWYER UP. And of course choose a hot female lawyer so you can post pictures of her "blinkers"
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Old 10-20-2019, 03:29 PM
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...and the dysrhythmia is more annoying when your humming a song to it while you're waiting to turn.
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Old 10-20-2019, 03:35 PM
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Originally Posted by SeaCat22 View Post
...and the dysrhythmia is more annoying when your humming a song to it while you're waiting to turn.
I'm not going to look that up - Sounds good to me
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Old 10-20-2019, 03:37 PM
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Originally Posted by Slater View Post


did you install LED bulbs? That may be throwing off the electronics as at this point I am 95% certain that that vehicle does not come stock from the factory with LED bulbs and that may be causing your issue… It is Sunday and I just got with 1 of electrical techs and they are pretty certain thatIt does not have LED bulbs.
Cause I am actually Qc’ing a 2018 F150 right now in the front bulbs do not appear to be LED whatsoever.
If you didn’t change the bulbs and you just assume that their LEDs obviously the problem lies elsewhere. The one I’m driving right now is 100% without a doubt in sync and doesn’t have an erratic heartbeat…
This^

I haven't done a thing to it. It's the King Ranch and I just assumed all of that stuff was LED. I know it's got the LED outline on the headlights, but I guess that doesn't mean the brake lights and flashers are LED.
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Old 10-20-2019, 03:52 PM
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Originally Posted by Kenny Powers View Post
This^

I haven't done a thing to it. It's the King Ranch and I just assumed all of that stuff was LED. I know it's got the LED outline on the headlights, but I guess that doesn't mean the brake lights and flashers are LED.
Ok, then you're good & obviously maybe something funky going on, I wouldn't suggest digging, get it checked...
I have seen aftermarket LED"S cause all kinds of issues related to your concern...
The resistance is really low on the LED"S & electronics think the bulbs are burned-out & blink fast, etc...
But since you didn't to your local parts store & buy every aftermarket accessory, youre good...
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Old 10-20-2019, 03:55 PM
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turn the key on and turn on blinker,
then try to find out when the blinker noise is coming from.
the old flashers heated up from the current running thru them which opened up the circuit turning off the bulbs until it cooled off and closed , repeating over and over.

I have no idea how the new ones work.
but finding where the noise is coming from might help you figure it out
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Old 10-20-2019, 04:02 PM
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Just out of curiosity and to clarify:

Is it just the sound, just the lights, or both?
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Old 10-20-2019, 04:07 PM
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Originally Posted by TheRealMacGyver View Post
Just out of curiosity and to clarify:

Is it just the sound, just the lights, or both?
I can't answer that definitively because I really can't tell. It's really a matter of milliseconds. I think I'll film it with the slo-mo camera and see if I can get the answer to this. I've tried to watch for it before; and my gut tells me it's just the sound. I feel like the dash light is on pace.
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Old 10-20-2019, 04:40 PM
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Originally Posted by Kenny Powers View Post
I can't answer that definitively because I really can't tell. It's really a matter of milliseconds. I think I'll film it with the slo-mo camera and see if I can get the answer to this. I've tried to watch for it before; and my gut tells me it's just the sound. I feel like the dash light is on pace.
Post the video if you do. For a while the blinker sound has always been controlled by the computer/sound system..
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Old 10-20-2019, 05:41 PM
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I see no one has answered your question....

Yes.... you are.
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Old 10-20-2019, 06:02 PM
  #38  
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Don't think you have a flasher. Controlled by the body control module.
The sound of the signal is artificially created by the computer.
You need Fords forescan to correct this
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Old 10-20-2019, 06:15 PM
  #39  
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Check the blinker fluid level.....

Some rigs have a funky blinker rhythm when a blub is out. Kind of like Dave Brubeck rhythm. 5/4 7/4 9/7 time etc. Check/replace your bulbs with new bulbs.

.....if neither of those work go back and check the blinker fluid again.
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Old 10-20-2019, 06:52 PM
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Originally Posted by bugnut View Post
What’s a turn signal?
No idea what a turn signal is.......he asked about "blinkers"
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