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Farmall & IHC Tractors Discussion Forum
:

Anyone Put LED lights on? Can t get my flasher to work

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RTR

08-13-2019 23:04:16




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I ve converted the lights over to LED on my Farmall 140 and I can not get the flashers to flash. I ve tried everything. Look at my post over in another section here so I don t have to repost everything. Looking forward to y alls input.
https://forums.yesterdaystractors.com/viewtopic.php?t=1401400




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RTR

08-28-2019 07:15:21




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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Hey Bob, just wondering if you ever got your lights in the mail and what you found out. I've yet to get the resistor but need to get it ordered.



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RTR

08-26-2019 09:10:52




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
Thanks Bob. Did you get your lights in and try it out?



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Bob

08-26-2019 08:07:49




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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https://www.digikey.com/products/en/resistors/chassis-mount-resistors/54?k=Power+Resistors&k=&pkeyword=Power+Resistors&sv=0&pv2=10&sf=0&FV=ffe00036%2Cmu15+Ohms%7C2085&quantity=&ColumnSort=0&page=1&pageSize=25

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RTR

08-26-2019 07:50:06




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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I still haven't gotten this part. Was trying to buy one locally and the only electronic place that I think would have it isn't open on the weekends and I can't get there before they close during the week. Might have to order online or take a couple hours off to go.

I would still like some info on if there is a Mountable type.



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RTR

08-22-2019 07:15:06




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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Wanted to bump this back up to see if anyone had a suggestion. Planning on going to the electronics store tomorrow to pick something up. I tried the Auto Parts store and all they said they have is the chrysler style ceramic ballast resistor like used on ignition points.



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RTR

08-21-2019 11:42:16




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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Is there a certain one I would ask for at the parts store? What would be the best way to mount it inline on the tractor since these Farmalls everything is exposed to elements and a rush of getting torn up Under the seat. Is there one that is mountable by a bolt?



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Bob

08-19-2019 18:51:16




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
Ken, I actually tried connecting the flasher like you mention, so the "X" lead is "hot" all the time, it doesn't seem to make any difference.

The flasher doesn't do anything until the threshold current of about 1/3 of an Amp is reached, then it begins to flash.

It seems the O.P.'s lamps must not draw enough current at whatever low voltage the flasher outputs before starting to cycle to "turn on" the LED's and draw current.

I am looking forward to a reply from the O.P., once he gets the load resistor in place, and am looking forward to getting matching LED lamps to further investigate this.

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Indiana Ken

08-19-2019 09:43:25




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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Bob, very interesting, thank you for your reply. One comment from your most excellent diagram, if I could: In a conventional turn signal circuit the flasher is powered once the ignition switch is on. The turn signal switch (between the "L" terminal and the turn lights) then completes the circuit applying load to the flasher. In your diagram there is no turn signal switch and the flasher is in an un-powered state until the light switch is turned on. Is it possible that starting both the flasher and the LEDs from and un-powered state causes a no-start condition?

Again, nice work. Ken

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Bob

08-19-2019 06:29:17




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
[quote="RTR"](quoted from post at 07:54:42 08/19/19) Quoting Removed, click Modern View to see

Bob, here is a screenshot of the lights I bought. Got them on eBay. They are Grote brand like the flasher unit is. Should I wait until you get these lights before I wire in the resistor?

You may as well give the resistor a try, they don't cost much.

As I said, I'm going to get a couple of the lights, as I have an application for this when I'm done experimenting with them.

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RTR

08-19-2019 05:57:46




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
Sorry that is hard to read. The eBay seller is jifrie1







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RTR

08-19-2019 05:54:42




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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Bob, here is a screenshot of the lights I bought. Got them on eBay. They are Grote brand like the flasher unit is. Should I wait until you get these lights before I wire in the resistor?





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RTR

08-19-2019 05:43:30




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
Nevermind....I just saw the posts you made. For some reason I wasn't notified through email like usual. Thanks for trying it out.



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RTR

08-19-2019 05:41:32




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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Bob, did you ever get your parts in to try it out?



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Bob

08-18-2019 20:57:20




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
Ken, in my experiments, the flasher won't flash until it "sees" a load of about 0.25 Amp. (Factory "spec." is a minimum of 1 Amp.)

For some reason, the LED lights the original poster in this thread has don't seem to be drawing that much current from an "off state".

Adding the resistor will provide enough load to get the flasher operating, then his LED lights should be "along for the ride" and flash as well.

To the original poster, of you would care to share the make and part number of your yellow warning LED's I'll order in a couple and do some further testing to get further into this.

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Indiana Ken

08-18-2019 15:41:19




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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Bob,nice experiment. Question, are you saying the resistor is required for the flasher to work? The reason I ask is I have converted several motorcycles to LED turn signals and have not used a resistor when using an LED flasher. Ken



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Bob

08-18-2019 12:09:49




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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I got the Grote flasher I ordered and played with it last night.

Try THIS... add a 15 Ohm 10 Watt power resistor in parallel to the LED amber lamps.



GOOGLE "10 Ohm 15 Watt Power resistor" for sources.



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Indiana Ken

08-15-2019 12:04:08




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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If the LEDs flash when you connect the "X" and "L" wires together, that suggests you have power to the LEDs. You don't need to try the switch.

I understand you are trying to flash the two rear LEDs. Have you verified they are connected in parallel?

In one of your posts from the other thread you stated that power is connected to the "L" terminal of the flasher. The LEDs are typically connected to the "L" terminal of the flasher. The "X" terminal of the flasher is typically connected to + 12 volts from the battery. These flashers (for LEDs) typically fail to function once the input voltage drops to around 9 volts or less - you might verify you have above + 9 volts at the "X" terminal of the flasher when you are attempting to flash the LEDs.

I do prefer (as others have posted) the three terminal flashers with the ground wire. They seem to give less trouble. If you continue to have trouble I would suggest substituting a single 12 volt tail light bulb or instrument panel bulb for your two LEDs. Once you get a flasher to work, substitute one of the LEDs then both of them in the circuit.

The LEDs you show in the picture have many small LEDs connected together with circuitry to put a controlled voltage across each one. There may be some interference occurring with the flasher - I have never heard of this but you may be the first....?

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RTR

08-15-2019 09:29:55




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
Quoting Removed, click Modern View to see I can do that but need more info on what to buy and how it needs to be hooked up exactly.



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RTR

08-15-2019 09:29:11




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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I ve tried that also. Still no flash. Read the other thread.



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RTR

08-15-2019 09:28:41




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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I ve tried that. Now the switch I did not try but they work when the wires are directly connected.



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504

08-14-2019 18:47:15




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
I was given some red 1 inch leds,one would not work till I crossed the wiring,maybe the flasher would work on the other wire.



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Indiana Ken

08-14-2019 18:29:47




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
The LED lights should be connected in parallel. This is to say each LED gets power from the "L" terminal of the LED flasher and the other side of each LED is connected to ground. Sorry if this has already been mentioned.

To test your wiring I would replace the two terminal flasher with a SPST (two terminals) switch. Do the LEDs flash as you switch the switch between on and off. If not you likely have a wiring problem and not a flasher problem.

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Jason the red

08-14-2019 16:05:25




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
Try wiring a resistor inline.



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David G

08-14-2019 17:40:07




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to Jason the red, 08-14-2019 16:05:25  
Not inline, put it across output of flasher to ground.



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RTR

08-14-2019 09:11:30




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
I would also like to mention that the picture showing both amber flasher lights illuminated was taken when I wired both lights straight to battery to make sure they were working. I get nothing when hooked to flasher. All of this is explained in the thread that is linked to in the first post of this topic.



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RTR

08-14-2019 09:05:13




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
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The LED headlights and taillight switch on/off very crisply with the turn of the switch. No delays.



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Bob

08-14-2019 05:06:02




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
The Grote 44891 flasher you have is advertised to be able to flash any LED setup that draws at least one Amp up to a maximum of 20 Amps.

Having a separate ground wire, it is supposed to be able to flash at a fixed rate while powering a load anywhere in that amperage range.

I am curious enough about this that I have ordered one of the units to experiment with, to see if I can duplicate the problem you are having. Should have it in 4 or 5 days.

ONE thought... when you switch off the power to those LED's do they stay lit for a second or two?

Some LED lamps have an internal power supply with a large enough capacitor to power the lamp for a second or two after power to them is shut off.

If the lamps you have are like this it may explain why they don't flash, even though the flasher is working, and cutting the power to them for a second or so, every time it "flashes".

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gene bender

08-14-2019 02:41:45




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
that's the way it is they don't draw enough amps to make the flasher work



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urbancase

08-14-2019 01:33:55




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
I have on a 584 and will be doing the same thing on a 706 this winter. we had to put and different flasher module and we still hand problems. end up not drawing enough amps and put a standard light blub under the dash and hooked it up then they worked.



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RTR

08-13-2019 23:06:12




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 Re: Anyone Put LED lights on? Can t get my flasher to work in reply to RTR, 08-13-2019 23:04:16  
Here are some additional pictures also......









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