How to Fix Your LED Turn Signal Bulbs that Don't Flash. Make Them Blink! |
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- Äas pĆidĂĄn 5. 08. 2024
- In this video, I explain how to fix your LED turn signal bulbs that don't flash when installed into a car, truck, or motorcycle. In short, it is because LED lights do not draw enough electricity (amperage) through the older style turn signal flashers to make them flash properly. The fix for this problem is to replace the older style turn signal flasher with a more modern LED turn signal flasher. LED flashers have tiny circuit boards inside them, and do not require the same amount of electricity flowing through them for them to blink. That is not the only potential problem that you may have though. The new LED flasher also needs to be wired properly. If not, the lights will stay on and will not blink.
Below is a list of the relays, the LED and non-LED turn signal flashers, fuses, the incandescent and LED 1157-style bulbs, 1157 style bulb sockets, and the 3 way toggle switch I used to make the entire circuit in the video work properly.
Items used in this video:
đ 5 Pack of 5-pin Bosch Style Relays - amzn.to/2OfiwXT
đ 10 Pack of Fuse holders - amzn.to/3cU4CoD
đ 4 Pack of LED Bulbs (1157 style) amzn.to/3gcNV8G
đ 6 Pack of 1157 Bulb Sockets - amzn.to/3jtztJU
đ Double Pole Single Throw DPST Switch - amzn.to/3ozTGlM
đ 3 Way Toggle DTSP Switch (Double Throw, Single Pole, not-momentary) (Diff brand than video) - amzn.to/3abAeDw
đ 10 Pack of 1157 NON-LED Bulbs (old style bulbs) - amzn.to/3a1Wa4N
đ 2 Pin LED Turn Signal Flasher amzn.to/3yW8vBx
đ 2 Pin NON-LED (old style) Turn Signal Flasher (Diff brand than video) amzn.to/2YXOslJ
đ 272 piece fuse variety pack amzn.to/3k48cNt
*As an Amazon associate I earn from qualifying purchases.
⥠This is my video on how to wire the LED Turn Signal / Flasher / Blinkers:
âą How to Wire LED Turn S...
⥠This is my video on how to choose the right fuse and wire sizes when building a circuit: ⹠What Size Fuse and Wir...
⥠This is my video on wiring brake switches:
âą How to Wire TWO Types ...
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I mistakenly purchased a 5 pin flasher relay instead of the 5 pin Bosch for some LED pod lights for my quad distance to the parts store and general laziness have me wondering if I can run them with the wires reversed so as to prevent the pulse for the flash or will this LED flash relay overheat?
Hi sir can i put a LED flasher with an halogen bulb?
What is it when the right side works with the led but the left side won't flash
â@@vincentjayvalenzona4051Yes, as long as the Watt rating on the halogen bulb is less than the Watt rating on the LED flasher.
â@@chukkpurdy5151Are you referring to this video? The LED bulbs were on the left side and the incandescent bulbs were on the right side of the screen throughout the entire video, so I don't understand your question. The reason why the LED bulbs don't blink when connected to the old style flasher is because the old style flasher needs more current than the LEDs can draw, to heat the bi-metallic strip inside of the old flasher. The heating and cooling of the bi-metallic strip is what causes the contacts inside the old flasher to open and close. The opening and closing of the contacts is what makes the lights blink.
This is the best video on How and Why LED lights need updated/upgraded Flashers. Unfortunately I spent several days wondering why, troubleshooting and doing a good deal of head scratching. Great Video, thanks!
Thanks man. I followed your instructions and didnât know why it wouldnât work. It was because I needed that led flasher. Thanks again
I'm so glad I found this video! I'm converting a school bus to an RV and had planned on replacing my tail lights, brake lights and turn signals and knew I'd need to rewire them.
This video and the one before it, I feel, has shown me all I needed to know to make it all work correctly from the get-go!
Thatâs awesome! Iâll be doing some more electrical videos shortly! Stay tuned!
I really like your channel...Iâm currently wiring my 1955 Chevy and your channel is really helpful. Your videos are simple, well done, and content is explained perfectly. And the pegboard circuits are a great visual...thanks buddy, much appreciated!
Thatâs extremely kind! Thank you, I truly appreciate you taking the time to watch the videos that I make. If you have any requests, post them in the comments and Iâll add them to the list!
Just wanna say thanks for the videos. I learned all thus back in high school. Now getting a class setting to relearn it is awesome. Thank you
Just replaced flasher bulbs on my dirt bike this afternoon & found the same problem that they did not flash.
Found your channel and problem solved (once I get a new flasher can LED type).
Many thanks, you are a legend đ
Thatâs awesome! Good luck with the dirt bike project! Sounds like something I would like!
Thank you for investing your time in passing along great information.
Happy to help! Iâm glad you liked it!
Hey your videos are so clear. Thank you for taking the time to do this for us. Secondly thank you for not making a lame ass intro like every other channel. You get right to the video. Thank you again.
Haha! Youâre welcome. Iâm not talented enough to create a lame ass intro. Plus, I donât like watching them either!
@@WiringRescue Yes!
Thank you for pointing out the polarity issue with flasher relay!! I put my new relay in my 89 Ram and by all accounts, it looked like it fit perfect into the socket, but polarity had to be reversed to get it to work on both the turns and flashers.
Thanks for the short, conscice and detailed description of why! Saved me a bunch of head scratching. I am scribed and will check out your library.
The wiring videos have helped me a lot from being a frayed of wiring something on my car thank you very muchđ
Iâm really happy to hear that! Thank you for watching, and stay tuned because I have more wiring video on the way!
Incredible! Thank you for educating us!
Thank you so much.. At last I can reinstall my new led blinkers and they will work đđđđâ€â€â€
You answered my question. Thanks for the visual.
Iâm happy to hear that it helped you out!
Absolutely love your content and has given me the inspiration to build my own loom from Scratch for my landrover. Iâm just wondering my led flasher unit that came with the lights has three pins + L and -. I assume it wires in the same way I just need to earth the flasher unit
Another great video!
You nailed it for me! Thank you!
Awesome! Iâm glad you enjoyed the video! Thanks for watching!
Brilliant video. Thank you so much. You saved me going down a rabbit hole.
Thank you! Iâm glad you enjoyed it!
@@WiringRescue I have the $8 part on order from Amazon. Just installed LED turn signals on my 66 Dodge Polara and they weren't flashing. A quick search came back with your easy to understand video.
Installed my flasher today. Glad I watched your vid. My connector is the kind that has the two plugs on one L-shaped piece. Plugged it in and it didn't work. But based on your vid I figured the leads were backward from what I needed. Was able to saw the single connector to make two separate ones like you have in the vid. Reversed them and it worked!
Best explanation thanks
Great video.
Thank you!
Youâre welcome! Iâm glad you enjoyed it!
Thanks for all your info
Thank you for watching!
Thank you. Helped a lot.
You're welcome! I appreciate you watching!
Great Video !!! its so simple when its in this form. . Question, what about hanging dashboard bulbs to LED, what happens to the dim feature. any options to make it work ?
Great instructional video thanks
Thank you! I appreciate the feedback!
Thank you
My 1984 Cadillac was giving me hell. Now I gotta find that relay switch but a round one, not square. Great video
Good video sar
Thank you sir!
Happy to help!
Thank you!
You are welcome! Thanks for watching!
Great video...pls make one to show us the wiring for strobe flasher
Thanks for this. Was fitting leds with a flasher and they were on constant. Was sure I put leads on same as the old unit too! Obv not
Iâm glad that it was helpful for you! Thanks for watching!
So can you just install the electronic flasher instead of the standard when replacing a dead flasher? Does it make clicky noises still?
Great explanation! Does new relay make the same clicking sound as the old type?
Just a question - would a 3 pin relay be better than a 2 pin relay? The 3 pin of course has the optional extra earth terminal. Just wondering. Thanks
Thank you so much
Helped me on my 1982 cb650
Great video. I have also change for led indicator which is only one and only one side works. If a remove led bulb and turn it 180 it works for other side. I wonder why.
My problem is that everything works great until I turn my headlights on, the the signals wonât flash. Taillights are all in one and not just bulb replacement. Any idea whatâs going on?
did you resolve this? I am having the same issue. When I swapped just one LED bulb, for an incandescent bulb, everything works as intended...
Perfect thanks
Your very welcome! Thank you for watching it!
@@WiringRescue no such luck I tried putting the new led kind in but still no blinks, nothing it works fine for incandescent lights just not the led ones, enen tried changing both the flasher and the hazard flasher with the new led able ones nothing had to put the incandescent lights back in, any ideas?
I have a question I installed LEDs and headlights and turn signals. I did have hyper flash. I fix that with a relay. When I try to install LEDs in the rear turn signals my front turn signals will not light up. They will work when the headlights are off when I turn the headlights on, the turn signals on my console stay on when I turn the left or right turn signal on it only flashes in the back any suggestions
Is it plug in play for a 71 chevelle with led bulbs front in rear or will I have to do modifications
Gracias x el tipi
Very very interesting and informative. My problem is on a Harley Road King . Switched the OEM front Amber Signal / running Lights for a LED Arlen Ness light bar . The Tech. said that they were suppose to be Dim when Blinking . They are maybe 20 % brighter when they Signal , maybe less. No Hyper Flash , just weak weak signaling . Do you think a Flasher would fix that ? I;ve been thinking I needed an Equalizer or Resistor and have to splice into the wires.
Hey, any update on this? Iâm having the same problem the led lights dim instead of actually flashing which I feel is less useful than the oem halogen bulbs because they also stay on constantly just dim when using them
What is I add an in line resistor as a load to draw and dissipate the necessary heat to consume the current? :) I heard the Canbus type already have the resistor
what about the HAZARD flasher , does that need replaced also ? i am attempting to convert my turn signals and markers to LED . i replaced both flashers to electronic , turn signals work great until i turn the headlights on then they no longer bling just solid on . also the HAZARD do not work at all . thank you .
Can you swap out the Flasher Relay to LED version and expect it to work with newer vehicles that measure resistance on lights through a connected network and that trigger a warning light when the resistance is not found?
heh heh... witchcraft is closer to home than we might hope.. thanks man.đđ good stuff
My question .. I have a1982 Honda sabre 750 .. I have a led conversion on it ... the flashers blink ,turn on, turn off as far as I'm concern work .. but my warning light for the tail light keeps detecting a tail light malfunction .. could the conversion be affecting my warning sensor .. I never had incadessant on it to see if that still triggers .. I'm afraid they won't pass safety .
Bimetallic switch. I literally just posted a schematic of that part on another video.
Far as the led pulse goes it just a bistable 555 timer ic. Square wave generator.
Reversing those wires could destroy cheap led flashing circuits that do not have reverse voltage protection. To be honest they should include a full bridge rectifier circuit with that flasher so as to allow it to work correctly even if you reverse the wire connections.
I have a question for a car mod I want my headlights to stay on but when I put my signal I want them to blink with the signal how do I make that happen?
Thank you so much, excellent explanation, I having a motorcycle I attached with a teardrop trailer with LED turn signal, unfortunately the LED very weak. How can I solve this issue?
Check all your wires to make sure they are all good connections. Or get brighter lights. You need to determine where the problem actually is - the wiring - or the bulbs?
Great video!! I have a 71 VW and Iâm doing exactly what your explaining and have installed an electronic flasher and get flashing lights at all 4 corners (very bright) BUT when I select a turn signal I get a bright front turn signal (no flash) and a weak flash outback?? Thanks!
Is your LED flasher wired backwards? They are directional. Try that and let me know.
Does it have to use two power switch relays? No way of doing it with one, that allows switching between left side / right side indicators? Might be a stupid question but not wired some before. It's for a motorbike.
Issues I'm having with my LEDs turn signals is the fronts work now with an LED flasher but as soon as I install the rear turn signal led lights the turn signals no longer work but S soon as a plug in the original lights the turn signals work again. So front LED lights work great and rears I can't get to work.
Video suggestion.
Swapping headlights for LED. The catch: headlights double as DRL. However, LEDs flicker when DRL is active only.
please tell me if that new flasher will show you if one bulb is dead? in old school sistem when bulb is not working you have hyperflashing, and here?
What if you have LED's that the running light is ON all the time, and Flash as a turn signal. I have a set that the running light will work but won't flash. If I disconnect the "third" wire for the running light I can get the turn signal to work flawlessly. Yes, I have and LED turn signal relay installed.
Why would my led bulbs not blink. I have led blinkers with led flasher with ground. Everything else works fine. They work fine when I switch back to regular bulbs. So my problem is not the flasher. What can it be? Thank you!
My problem is the led turn signals won't flash if I turn on the parking/running lights or the headlights. They flash alone but not with the headlights on. I have a 1992 ford f150. Do you have a video that covers that because I'm stumped.
please what is the part number for that LED relay i NEED a 2 pin one like yours that does not require negative to operate
Witchcraftđ I like that one!
Sometimes random words come out and I just run with them! Thanks for watching!
I just put red LEDs on my rear turn signals and one of them doesnt turn on.. regular amber bulb works fine i know here is current.. i tried the the LED bulbs on the working side and the bulb is working too.. any idea what
Might be going on?
Hello! I have a 1992 Ford Ranger Custom Super Cab with the 2.3 in it. I have put several different types of LED bulbs in my truck and they won't blink at all. I saw this video and thought that this was my problem. Nope. I cannot find a flash relay that will fit in my truck. My truck flash relay is round and the LED electronic ones are square or rectangle. You can't fit a square or rectangle in a round hole. I have bought and tried several round flasher relays that state they are for LED's but they do not fix the problem. What do I need to do to get my blinkers and my 4-way flashers to work.
Do you have a video for a full wiring for headlights, taillights, brake lights, and blinkers? Trying to do an easy re-wire for lights on my 1985 cj7.
Only channel Iâve found that helps explain wiring. I suck at it.
Iâm slowly but surely getting there. I have brake lights, headlights, turn signals all in separate videos. I do intend to do 1 video that covers all the circuits, but it could be a little while because I have a few others to do first. Horns are coming up next.
Very good info you are putting out. I put led's in a '95 Ford Ranger and now when I use the turn signal lever they all come on and hyper flash. it has a turn signal flasher relay and that's it. I'm kind of stumped.
Is the flasher meant for LED bulbs?
@@WiringRescue It is now. I changed it to an EP27 and hyper flash is gone. I still have a back feed issue to the turn/stop light. I will try some diodes to fix it.
@@BustedKneeAdventures - awesome! Sounds like good progress at least!
I bought some aftermarket smoked headlight assemblies that have the halogen bulbs in them for the headlight but the bottom ones is just a LED bar that turns yellow when you cut on your turn signal and then when it goes back off and turn back white for the driving lights had resistors in there from the factory but still hyperflash so I bought a lm487 LED flasher for a 2003 GMC Sierra 1500 that is supposed to be for LEDs but it still don't flash right and then it makes my trailer brake lights when I've got it hooked up to a trailer not work I could take the original GMC one it's stick in there and the trailer brake lights will work any clues of what I can do
Unfortunately Iâm not super familiar with the workings of those style lights, so I donât think I can be of much help. Have you tried contacting the seller of them? Maybe they can provide a wiring diagram /schematic?
What happens if you upgrade your motorcycle turn signals front and rear (different led signal products front vs rear) and swap the relay for an LED one, but the rear signals work properly and the front ones stay solid and don't blink?
Hi, thanks for the video. So the new relay style is polarity sensitive and blinks when connected correctly, but doesn't blink if wires are reversed. What about the old style relay? The one with the bi-metallic strips. Is it polarity sensitive too or does it blink regardless of how it's connected?
In my experience, the old style flasher does not care if the wires are reversed. Itâs very basic, and is quite happy with any electricity flowing through it. Good luck with your project!
@@WiringRescue Thanks for the quick reply.
Straight and to the point. That said, I have an issue where the signals flash until I turn the headlights, parking lights, fog lights or any combination there of.
I installed the LED flasher. I suspect other problems are at play.
@marklandsing129 Did you ever find a solution for that?
I am fighting the same thing in my 59 apache
Okay that was an awesome video. So please tell me this. I have some cheap OEM blinkers I'm trying to put in the front of my 71 K5. When I have the parking lights on it will flash and everything works properly. When I have the parking lights off, only the back incandescent ones will flash. This seems completely opposite of what you're saying. Any help would greatly be appreciated. I'm so frustrated at this point it's not even funny. Do you think a no load LED flasher with the ground would work? I'm at my Wit's end here. An awesome video. Even a dummy dummy like me was able to understand most of it, lol
I just upgraded to Led turn signals and mine flash "but" mine flash at twice the normal bulb speed.
Question âïž Do you think this might cause early burn out of the control system?
Hi dear how are you dear? Can you explain to me how it works?
My turn signals and flashers used to work and now they quit soni bought a led flasher since it has leds and now the turn signals light up solid but the 4 ways flash its on a 94 volvo l46 semi dunptruck any idea why any tips would be greatly appreciated
Is your LED flasher wired backwards? They generally only work one way. If you wire them backward, you get lights that turn on but dont flash.
Love your videos! witchcraft for the win!
Thank you! đ Iâm glad you are enjoying the content. Be sure to check out my wiring playlist if you havenât already. There is some good stuff there!
Hi @Rattymusclecar, Thank you for that informative video! I've seen 3 videos of yours today and learnt 3 new things! All relevant to my current builds. I have a somewhat off beat question about Hazard lights though. Perhaps you can help?
For reference, I live in Australia, and, whilst we have GM products here (Holden) there are of course differences between GM & GMH. I have recently purchased a 73 C10 Stepside. It's two trucks put together, the donor being a mid 80s truck/Blazer. In my efforts to make it roadworthy, I noticed there are two spaces for flasher cans in my wiring, one for directional and one for hazards, no problem there, replace missing one and truck is one step closer to roadworthy! I've had a fair few GM products before (AUS only) but have never seen two flasher cans. Is this a North American regulation or something?
I've already subscribed! Sweet Le Mans too
Thanks for subscribing! I donât have a definite answer to your question, but I do have a guess that is probably wrong.
With the car off, you want your turn signal switch and all of its functional magic to be dead. Otherwise youâd always find them blinking in grocery story parking lots without anybody in the car. However, you want your hazard switch available all the time if you car is off and your keys were stolen by a group of zombies.
For some reason, GM decided that wiring it this way was smarter. In my hazard switch video, youâll notice that my turn signals would work 24/7 and so would the hazard switch. It doesnât matter if the car is on or off. In the interest of keeping life simple, I designed it that way. Maybe Iâll do the more complex version too⊠hmmm
Good luck with you truck project, and thanks for the question!
@@WiringRescue I just realised what I said was actually incorrect haha. The car I'm thinking of doesn't actually have hazard lights, so of course there's no additional flasher can. I'll check out some later models and see when they started to put them in.
But now, thanks to your hazard flasher video, I'll be putting them in!
@@derekormsby798 - haha! Well whatever direction you go, just know that I am truly thrilled that people in Australia are watching my videos!
@@WiringRescue that's sweet as man! I'll tell my friends to check your channel out!
Do you have a link to one that will work for my truck? I have a 1990 F-150 and the flasher is round.
Iâm not familiar with those trucks, but you could definitely just make a jumper wire from one flasher to another with 4 spade connectors and some wire.
That means , if we can get a high current LED ...we can use old/ thermal flasher is it?
I would think so, but Iâve never tried it myself. Let me know how it works out!
I added led lights to my tractor and the hazard light no long flashed my LED gets brighter but no flash.. So If I can find where the flasher relay is and swap it with one of these flashers that should fix it
What happens when you turn the park lights on and turn on the signal and it goes back steady light and it flashes when the park lights off
hello sir. i already change to led flasher. but my blinker still dont blink. i switch between wire also. still not a chance. my motorcycle has 3 pin( L B E) and my flahser has 2 pin.
Awesome video ! My problem is my LED turn signals work , but when I turn on my running lights or Headlights which are also LED They wont blink anymore but with Running lights and headlights off they do.
Did u ever figure out what to do? I have the exact same problem and it's hard to find a straight simple answer.
@@user-ur5um7qp2e yes after much hardship I found I still had regular bulbs in my front fender turn signal indicators and was causing interruption so if you have regular bulbs in line with LEDs even with led turn signal and hazard flasher
I'd like to add 1 thing.. for motorcycles that are still having issues after swapping in an LED flasher, check if you have an incandescent indicator bulb on the gauge. This will most likely solve the issue. Either just remove the bulb or replace it with an LED.
Great info! Thanks for sharing it and watching the video!
Any of the gauge lights ? Iâve got a led strip and led flasher relay on a CT1 175 6V and the lights work correctly but wonât flash. I only 4 bulbs total in the gauges (tac and Speedo) must I replace all of them with LED?
installed dc flasher but the leds do not completely shut off between the flashers......ned solution pls...
Is it possible to add the flasher before the switch instead of the relay
I donât believe you could make the circuit work that way, because the switch is just turning the relay on and off. Itâs totally separate from the flashers.
Learned that last week. Amazon has the flasher for 10 bucks.
Sure does! Thanks for watching!
đđđđHi dear how are you dear? Can you explain to me how it works?
What if my flash but they flash quickly... like i have a blinker out?
Thanks
I want to try your system I think this is the solution to my problem, When I momentarity use blinker they but does not when I engage the lever fully, I have these digi-tails set up. Im having a hard time following your video, please send me a diagram of your wiring set up. Solutions from digi-tail did not work, Pleas Help!
Hey I have a 1964 Imperial with power windows, but I'd like to add relays to them. Can you show how to do it? đ
As you may expect, I'm not super familiar with 64 Imperial window wiring. However, I'm good at guessing! You'll have to do some exploring of wiring to harness to figure out which wires do which. Here are my thoughts:
- You'll need 1 relay per window, so 4 total most likely.
- The window switch probably (?) sends power to the window motor (as opposed to ground). This means that you'll be connecting that power wire from each switch to pin 86 on the relays.
- Pin 85 on the relays are grounds.
- Pin 30 on the relays should be the power coming in from a fuse box. If I were you, I'd buy one of these. vincentperformance.com/shop/leash-bdfb/ to grab all of your power from. Feed that fuse box power from the battery (with a fuse in that main wire), and then each of the fuses in this panel can power a relay/window.
- Pin 87 on each relay will feed the power to each window motor.
- Use all new wiring to be safe.
Hope that helps you out!
-Jeremy
@@WiringRescue Hey thank you for the information! And no I expect you to know every car that's ever been made lol đ but really just a general overview helped alot! I'll have to get my service manual out and start working with the wires soon!
I try to help as many as I can! A service manual with a wiring diagram would be outstanding for a project like that. New wiring would probably make the motors and switches waaaay happier than the original stuff.
Whats the black box in the centre of the board?
Itâs actually two relays. I have lots more videos showing how to build this circuit. Check out my playlist youtube.com/@WiringRescue?si=idehxtTfhPfl8Eja
Lol witchcraft great video!đ
Right!? I donât know what kind of stuff happens on circuit boards but Iâm sure itâs witchcraft!
I have all 4 turn signal on my motorcycle and replaced the flasher to an led one but it still dosent work
I put all LED lights in my truck , I already changed flasher to slow down the blinking my problem is nothing blinks when the headlights are on
đđHi dear how are you dear? Can you explain to me how it works?
I got one for my 96 ford ranger and it wouldnât work plugged in correctly
So I don't need a load resistor?
I have made LED turn signal lights operate with a standard flasher.
Where I buy led flasher
There are links in the description of the video for all the items I used, including the flasher.
Hey Ratty do you have a video on lighting with rocker type switches ...jw
Iâve got a lot of wiring videos, but I mostly use toggle switches because they are easier to show on the video. Sorry :(
@@WiringRescue Thanks Bro I will keep you up on my Golfcart install ...thanks again
My flasher work fine after changing out the relay until I turn on my parking lights or head lights then they hardly flash at all.