LED Turn Signal Bulbs - advice

[miket961]

My turn signal bulbs went out and decided to replace with LED. Replaced front and rear. Bulbs work but there isn’t enough current resistance. It still thinks the bulbs are out and the signal emits error flash.

Anyone else upgraded to LED? Is there a brand that works better? Or any other fix?

2017 XL


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[Anthony DeVor]

Use socal switchbacks and buy the 7443 pigtails to rewirenit with the correct plug. That’s for the front and use whatever for the rear.

Then use forscan to turn hyperflash off

I can send the links if you want. I use jdm astar red 3157 taillights. And socal switchbacks in the front. The running lights are killer bright

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[miket961]

Use socal switchbacks and buy the 7443 pigtails to rewirenit with the correct plug. That’s for the front and use whatever for the rear.

Then use forscan to turn hyperflash off

I can send the links if you want. I use jdm astar red 3157 taillights. And socal switchbacks in the front. The running lights are killer bright

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Thanks.

Links please


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[Anthony DeVor]

Thanks.

Links please


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SOCAL-LED 2x T25 3157 LED Bulb Switchback Extremely Bright 30W 3000LM COB High Power DRL Turn Signal Light Kit, Canbus Error Free LED Decoder Resistor, White/Amber https://www.amazon.com/dp/B07CVN5DTH/ref=cm_sw_r_cp_api_glt_fabc_N18MJX1ZE9XNF9BFPVC2

It does NOT matter which model you buy (meaning the plug) because you are going to cut the plug off and wire the correct one on.

TOMALL 7440 7443 T20 Bulb Connector Male Adapter for Automotive Brake Light Bulbs/Turn Signal/Reverse Light Bulbs Socket (Pack of 2) https://www.amazon.com/dp/B07GFDT6DX/ref=cm_sw_r_cp_api_glt_fabc_T68Y2X42A918KC0QRYBD

If you private message me we can talk and i can walk you through cutting the plug off and wiring the new one on. You have to pin out your light socket because these plugs will blow the fuse if plugged in backwards but the end result is a super bright light with a built in resistor that will prevent hyperflashing.

And they are technically a universal fit and can be positioned at any angle you want to project the light out of your housing by spinning the bulb in the housing


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[CubSmurf]

FWIW, no cutting is necessary with the bulbs from SuperBrightLEDs.
https://www.superbrightleds.com/veh...ehicle-led-lights?make=28&model=780&year=2017

I got mine from them and it's plug and play. If you don't feel like cutting and splicing.

 

[Anthony DeVor]

FWIW, no cutting is necessary with the bulbs from SuperBrightLEDs.
https://www.superbrightleds.com/veh...ehicle-led-lights?make=28&model=780&year=2017

I got mine from them and it's plug and play. If you don't feel like cutting and splicing.

True - the socal ones you don’t either you just have to run the one wire to your running light fuse

And i was suggesting ones that I have had experience using


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[CubSmurf]

True - the socal ones you don’t either you just have to run the one wire to your running light fuse

And i was suggesting ones that I have had experience using


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I wasn't trying to discourage or talk down about how you did it. Some folks just don't want to cut and splice stuff

 

[Anthony DeVor]

I wasn't trying to discourage or talk down about how you did it. Some folks just don't want to cut and splice stuff

No and I understand that. I only cut and splice so I don’t have to run a wire to the fuse panel. But the socals are great. Synticausa makes a premade one but I haven’t tested and used them enough in my opinion to promote using them.


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[Plati]

I'm puzzled why people put LED in these, that were not designed for that? I've been reading for years about problems doing that and backflips to get them to "function". As a one time EE, I would think that using the components that have characteristics that match the design of the rest of that circuit/system would be the way to go. As an owner of 3 Expy's I never had a problem with the OEM style lights. Plus, you're driving down the road and from the drivers seat ... can't experience any difference. I guess others that see your vehicle on the road might see it and say (if they knew) look at that or something. What is the advantage of LED?

The only thing I can think of is that people really enjoy modifying vehicles, kind of an American tradition from back in the day. Thats cool but is that all there is to it?

 

[miket961]

The only thing I can think of is that people really enjoy modifying vehicles, kind of an American tradition from back in the day. Thats cool but is that all there is to it?

Yes, and LEDs last longer.


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[Mmart]

I'm puzzled why people put LED in these, that were not designed for that? I've been reading for years about problems doing that and backflips to get them to "function". As a one time EE, I would think that using the components that have characteristics that match the design of the rest of that circuit/system would be the way to go. As an owner of 3 Expy's I never had a problem with the OEM style lights. Plus, you're driving down the road and from the drivers seat ... can't experience any difference. I guess others that see your vehicle on the road might see it and say (if they knew) look at that or something. What is the advantage of LED?

The only thing I can think of is that people really enjoy modifying vehicles, kind of an American tradition from back in the day. Thats cool but is that all there is to it?

The technical advantage of LEDs is lower power consumption, brighter output, and longevity. To your point though in most auto applications you as the driver can’t benefit seeing the improved output, and most folks add in load resistors to equalize the output do the vehicle believes it is still in a stock configuration. So by doing this there really isn’t a true “benefit”, but I also think it’s fun to modify things, tinkering is in our blood. Now in the case of my motorcycle, the electrical output of the stator is about enough to run the bike and not much more, swapping out all the incandescent bulbs for LEDs in conjunction with swapping the flasher relay practically doubled the spare power I can use. So there are real world scenarios where LEDs give you an advantage. So with cars it’s more about preference and I say have at it.

 

[Plati]

OK. Thanks. It is fun to MOD.
Thats why I bought solid lug nuts, for example.

To MrMart's point about resistors. Not being an expert, but somewhat familiar with the physics. If you add a load resistor to equalize ... wouldn't that serve to equalize the current? With LED's ... the same amount (equalized) of current will provide an increase in luminosity (more visible light) with LEDs vs incandescent bulbs. ????

I guess I'm also surprised to hear that on an Expy ... the current draw of turn signals is significant enough to find an advantage to reduce. Is it?

 

[Kjhawkeye1]

Also if you use forscan you can turn off the fast flash for rear bulbs. Was not able to do this for the front on mine but one less thing to be figured out with resistors. You can make a free forscan account and get the cable on Amazon. Cheers and good luck!

 

[99WhiteC5Coupe]

My turn signal bulbs went out and decided to replace with LED. Replaced front and rear. Bulbs work but there isn’t enough current resistance. It still thinks the bulbs are out and the signal emits error flash.

Anyone else upgraded to LED? Is there a brand that works better? Or any other fix?

2017 XL


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You stated, My turn signal bulbs went out...”

I’m curious, as I own a 2015 Ford Expedition Limited 4x4. Did ALL of the turn signal bulbs stop working, or some, or just one? Are you referring to the front turn signal bulbs, the rear turn signal bulbs, or a combination?

 

[miket961]

You stated, My turn signal bulbs went out...”

I’m curious, as I own a 2015 Ford Expedition Limited 4x4. Did ALL of the turn signal bulbs stop working, or some, or just one? Are you referring to the front turn signal bulbs, the rear turn signal bulbs, or a combination?

The rear went out last month and I replaced them and then the fronts went out this week. All within a year of ownership so I don’t know if/when they were replaced before


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[Anthony DeVor]

OK. Thanks. It is fun to MOD.
Thats why I bought solid lug nuts, for example.

To MrMart's point about resistors. Not being an expert, but somewhat familiar with the physics. If you add a load resistor to equalize ... wouldn't that serve to equalize the current? With LED's ... the same amount (equalized) of current will provide an increase in luminosity (more visible light) with LEDs vs incandescent bulbs. ????

I guess I'm also surprised to hear that on an Expy ... the current draw of turn signals is significant enough to find an advantage to reduce. Is it?

Actually adding a resistor causes more current draw away from the light causes a decrease in brightness


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[Anthony DeVor]

Also if you use forscan you can turn off the fast flash for rear bulbs. Was not able to do this for the front on mine but one less thing to be figured out with resistors. You can make a free forscan account and get the cable on Amazon. Cheers and good luck!

What model year do you have? I was able to turn the front and rear hyperflash off in my 2017. I have the forscan spreadsheet for 2015+ if you want it. I also have it for sever different Ford vehicles also.


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[Mmart]

Adding in the load resistor makes up the delta for power consumption between the LED and what the incandescent bulb would use. So for example if a standard bulb draws 30w and the equivalent LED draws 3w, the appropriate resistor would draw and (technically shunt) the 27w so the vehicle still senses the correct draw and not throw an alarm. The Bulbs brightness output is measured in lumens and there should be no change in that if the correct amount of juice is present.

 

[Kjhawkeye1]

What model year do you have? I was able to turn the front and rear hyperflash off in my 2017. I have the forscan spreadsheet for 2015+ if you want it. I also have it for sever different Ford vehicles also.

Have a 2011. Just used a load resistor and took care of the front. Appreciate the help though.

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[Anthony DeVor]

Not a problem


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