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It's raining. I can't do work, and I'm waiting for maintenance supplies coming tomorrow. So time to play with lights. LED replacement bulbs in the headlights, work lights, flashers, and taillights. And added some side facing lights I had laying around.


The OEM headlights and fender work lights are normal automotive #862 bulbs, despite having a special green part number. Usually used for fog lights on cars and trucks. They are 38 watts each. The LED replacement uses only 5 watts. This is a total 11 amp load reduction on the alternator and battery.
Amazon.com: JDM ASTAR Bright White Max 50W High Power 881 LED Fog Light Bulbs: Automotive


The OEM flashers are normal automotive #1156 bulbs. They are 27 watts each. The LED replacement uses only 8 watts each. And they are significantly brighter and more attention getting with the snappy on-off. I actually had these in the headlights of my 425 and swapped them into the 1026r this morning. The only issue is you will get the bulb warning on the dash when the flashers are on. I don't really care. If you have a 1025r, I presume this is the same bulb used for the red tail light?
Amazon.com: LUYED 2 X 1700 Lumens Extremely Bright 1156 4014 102-EX Chipsets 1156 1141 1003 7506 LED Bulbs Used For Backup Reverse Lights,Xenon White(Brightest LED in market): Automotive


For the 1026r's tiny little red tail light, that is a normal automotive #194 bulb. They use 4 watts each. The LED replacements are 2 watts each and definitely brighter.
https://www.amazon.com/gp/product/B018GYRGH6/

In total, this is a 13 amp load off the alternator/battery. All of the lights are now brighter and more effective. And frankly it looks really sharp IMO.

Then I also had some LED marker lights laying around in a box. So I put them into the sides of the flasher/tails on the ROPS. Red marker light comes on with the taillight. And the amber marker flashes with the flasher.
The 2018 and newer 1025Rs have a much different light in the headlights. The lights listed here for the headlights will not work. I just went to my Deere dealer and confirmed the change.

rob
 
Discussion starter · #42 ·
The 2018 and newer 1025Rs have a much different light in the headlights. The lights listed here for the headlights will not work. I just went to my Deere dealer and confirmed the change.
Yes, that was discussed in this thread...
 
These are the ones I used for my 2019 1025r:

headlights three prong fit rubber boot direct replacement: https://www.amazon.com/gp/product/B07TQLK6SH/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

RED Brake lights - same direct replacement:

YELLOW hazards also direct replacement

I ordered with Oem led work lights. This converts all over to led, noerror messages. Brighter lights.
 
These are the ones I used for my 2019 1025r:

headlights three prong fit rubber boot direct replacement: https://www.amazon.com/gp/product/B07TQLK6SH/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

RED Brake lights - same direct replacement:

YELLOW hazards also direct replacement

I ordered with Oem led work lights. This converts all over to led, noerror messages. Brighter lights.
Don't you want white light LEDs for use in fixtures that have colored lenses? It seems to me that I recall from reading somewhere else that red bulbs behind red lenses doesn't work as well for brightness. Maybe I am mistaken, but that is what I remember about this.
 
Don't you want white light LEDs for use in fixtures that have colored lenses? It seems to me that I recall from reading somewhere else that red bulbs behind red lenses doesn't work as well for brightness. Maybe I am mistaken, but that is what I remember about this.


lve heard that too - side by side comparison though, the colored leds seem to show up as a deeper red and yellow. Basically deeper color and brighter.
 
Don't you want white light LEDs for use in fixtures that have colored lenses? It seems to me that I recall from reading somewhere else that red bulbs behind red lenses doesn't work as well for brightness. Maybe I am mistaken, but that is what I remember about this.
It shouldn't be a problem. A red LED behind a red lens should put out as much light as a red LED behind a clear lens.
The lens will cut down on all light transmission a little - if it is a red lens it is a band pass filter for red light, and ALL (except for the losses of the lens itself - present if clear or red) of the light from a red LED will pass. having a lens (red OR clear) will cutdown a little bit of light, but better than having your LED's out in the elements.


Also, I think an H4 3 prong bulb has both high and low beams, don't we want just a H1 (low beam?) bulb? Does the tractor have a high beam switch? does it just energize both the high and low elements at once?
 
Discussion starter · #47 ·
Also, I think an H4 3 prong bulb has both high and low beams, don't we want just a H1 (low beam?) bulb? Does the tractor have a high beam switch? does it just energize both the high and low elements at once?
The 2018+ uses H4 bulbs with high and low beam. JD only connects the low beam. Mine is re-wired so the high beams comes with the work lights setting on the switch.
 
Discussion starter · #48 ·
It shouldn't be a problem. A red LED behind a red lens should put out as much light as a red LED behind a clear lens.
The lens will cut down on all light transmission a little - if it is a red lens it is a band pass filter for red light, and ALL (except for the losses of the lens itself - present if clear or red) of the light from a red LED will pass. having a lens (red OR clear) will cutdown a little bit of light, but better than having your LED's out in the elements.
It's not the lens, it's the LED. A red LED produces way way less lumens than a comparable white LED of the same size and form. Putting a white LED in the red taillight will produce much brighter red light out the lens than a red LED behind the red lens. Also, the red lens is NOT bandpass. There is significant loss passing through it. A red LED alone without the lens will be much brighter than a red LED behind a red lens.
 
It's not the lens, it's the LED. A red LED produces way way less lumens than a comparable white LED of the same size and form. Putting a white LED in the red taillight will produce much brighter red light out the lens than a red LED behind the red lens. Also, the red lens is NOT bandpass. There is significant loss passing through it. A red LED alone without the lens will be much brighter than a red LED behind a red lens.
Okay, I believe you about the red lens adding significant loss to a red LED. Of course it also has significant loss with a white LED - actually a much greater loss as it will block blue, green and yellow (and everything in between).

One thing to know about White LED's is that there is really no such thing. They are Blue LED's with phosphers. The blue light excite the phosphers, which re-emit the energy in all colors of the spectrum.

Comparing white LED lumen output to a red LED lumen output and then comparing what comes through a red lens is not really fair. If you start with a red LED that has 100 Lumen and a white LED that has 100 lumen, After the a red lens the RED LED will appear MUCH brighter. Not fair to start with a 1000 Lumen white and compare to 100 lumen red.
 
Discussion starter · #50 ·
It's a fair comparison because none of the products on the market are like that. A 1156 replacement LED bulb in red is the same size and form of a 1156 replacement LED bulb in white. The white 1156 LED produces significantly more lumens than the 1156 red LED. There is no such thing as a replacement LED bulb for these things where the same lumen output exists across the color options. The white bulb you buy for that thing will be way brighter than the red bulb. Therefore putting the white one behind the red lens will produce way more red light for you.

This is why I have white 1156 and 1157 LED replacements in both the red and the amber lights. The end result is way brighter red and amber light than had I used Amber and red LEDs.
 
Great thread, thanks pedals2paddles. I can see this will require a legal pad and pen to review the thread, take notes and hopefully be lit up for Christmass!!!
 
FYI I used the GWT Amazon store and ordered the LED replacement headlights for my 1025r. There was an online coupon for $10 off the headlights.
 
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I hadn’t made a list yet. I plan to order later and was wondering if the additional lights I had installed at the dealer when I bought the rig can be upgraded or are already LED. Two on the brush guards and one rear work light. All three are from JD. I also have to reread the thread to clarify exactly what a I need to order. It’s a bit harder for me since my TBI.
 
Discussion starter · #54 ·
I hadn’t made a list yet. I plan to order later and was wondering if the additional lights I had installed at the dealer when I bought the rig can be upgraded or are already LED. Two on the brush guards and one rear work light. All three are from JD. I also have to reread the thread to clarify exactly what a I need to order. It’s a bit harder for me since my TBI.
I think JD sells both LED and halogen add-on lights. Send a picture and we'll be able to tell you.
 
Digi-key has about 50,000 different LED types available. I live in a world where I pick the LED I want with the characteristics I like from that group. You are comparing from the handful of different LED bulbs that someone has designed and manufactured to replace a clear incandescent bulb. A designer could choose to design a red 1156 replacement bulb, and if he chooses, that red bulb could be insanely brighter than a white bulb. It would have much less waste heat than a white LED used inside the red lens.

Here is the LED place that has a wide selection: various 1156 bulbs
You will find they have 1156 bulbs with 3 different white color temperatures, or red or amber, listed at 325 lumens (among others). I suggest you try buying one of these in red, amber, and white. You'll find the red is brighter than the white when behind a red lens (if they are not lying about the exact lumen output they advertise). It's physics.

(disclaimer: I have bought from the superbrightled web site several times, and have always been happy with what they sold me)


It's a fair comparison because none of the products on the market are like that. A 1156 replacement LED bulb in red is the same size and form of a 1156 replacement LED bulb in white. The white 1156 LED produces significantly more lumens than the 1156 red LED. There is no such thing as a replacement LED bulb for these things where the same lumen output exists across the color options. The white bulb you buy for that thing will be way brighter than the red bulb. Therefore putting the white one behind the red lens will produce way more red light for you.

This is why I have white 1156 and 1157 LED replacements in both the red and the amber lights. The end result is way brighter red and amber light than had I used Amber and red LEDs.
 
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Discussion starter · #56 ·
Digi-key has about 50,000 different LED types available. I live in a world where I pick the LED I want with the characteristics I like from that group. You are comparing from the handful of different LED bulbs that someone has designed and manufactured to replace a clear incandescent bulb. A designer could choose to design a red 1156 replacement bulb, and if he chooses, that red bulb could be insanely brighter than a white bulb. It would have much less waste heat than a white LED used inside the red lens.
But we're not talking about designing a custom LED lamp engineering a whole new contraption from scratch with parts from digikey here. We're talking about replacing the incandescent 1156 bulb in there now with a commercially available 1156 LED. And every one of the commercially available LED 1156 replacement bulbs in red are way way way dimmer than their white models. What you're suggesting, that they are all the same lumens, is not possible due to physics :). You are reading the specifications wrong on those. The 325 lumen spec is for one of the white models, not all of them. Look down at the specification chart on the product pages. The red ones are generally 50-80 lumens, and the white ones are generally 200-400 lumens.

758676


I've been buying LED replacement bulbs and other LED gizmos from SuperBrightLEDs, vLEDs, and random amazon vendors for about 20 years now. Every vehicle I've ever owned inside and out. Tractors, flashlights, etc. If there is bulb I can replace with LED, it has been done. I'm quite familiar with it.
 
Okay. I should have looked at the full specs to see that they were lying with the lumen output.

You are right with what is available. I'm just too literal minded - if you really have a 100 lumen red and a 100 lumen white, the red will be brighter behind the red lens [than a same lumen white behind the red lens]. physics.

It wouldn't occur to me that I should compare a 325 lumen white to a 45 lumen red and then say the white is brighter.
 
Just to jump in here a lumen is a lumen. It is a scientific unit of measurement.
From Wikipedia :


The lumen (symbol: lm) is the SI derived unit of luminous flux, a measure of the total quantity of visible light emitted by a source per unit of time. Luminous flux differs from power (radiant flux) in that radiant flux includes all electromagnetic waves emitted, while luminous flux is weighted according to a model (a "luminosity function") of the human eye's sensitivity to various wavelengths. Lumens are related to lux in that one lux is one lumen per square metre.

Just like a watt or an amp is universal measurement units.

a 100 lumen output red led vs a 100 lumen white led have exactly the same measured output. However it’s how your eye perceives that output is the issue.
 
Most LED direct replacement I buy from LED Lights, Bulbs & LED Lighting Accessories | superbrightleds.com.

Upgrade consists of 1156 led orange bulb and led flasher relay.

Here are picture comparison with oem and led. LED on left, oem on right. The biggest thing is with led is they are instant off instant on. Kind of an in your face flash where halogen dims out and brightens up. I wish I had taken the pictures when dark, daylight does not do the upgrade justice.
 

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I would have to look everything up again, but I have replaced every light on both my 758 and 2038 with led’s. It’s a great upgrade. Even added four more lights on the ROPS. Much, much cheaper than JD’s light upgrade.
 
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