True fog lights - yellow bulb or yellow lens?

The filament glows incandescent white. Like steelhd said, it doesn't matter where you filter it to yellow.
 
I swapped the bulb in my factory fog lights with these.

https://www.amazon.com/dp/B000H0QRXW/?tag=wranglerorg-20

I don’t get hung up to much on the color it’s the sharp cut off/ low light position that seems to be most important. Yellow drops the glare but white still works and is more useable when off roading- so in my minds eye if you have only one set of lights go white- if you want it very task oriented go yellow
 
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I bought these yellow Hella foglight off ebay a few years back and have been happy with them. Hella Fogs. They do need a couple things to make them better though. The black paint of the housing seemed thin so I disassembled them and spray painted a couple coats of paint. The hole in the housing where the wires come out are pretty ridiculous. I was just a huge hole with the wiring coming out. I filled the hole with some Permatex Ultra Black and have had no problems.

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steelhd said:
The light is either filtered at the bulb or at the lens so the end result is exactly the same.
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OldBuzzard said:
The filament glows incandescent white. Like steelhd said, it doesn't matter where you filter it to yellow.
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That makes it easy (y)

JustDandee said:
Yellow drops the glare but white still works and is more useable when off roading- so in my minds eye if you have only one set of lights go white- if you want it very task oriented go yellow
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I suppose keeping them white would make them a little more versatile, guess I’ll have to do some thinking on that.
I am pretty happy with the brightness of the truck-lite knockoff headlights I put in, I’m not even really sure using the fog lights as an off-road light would make a whole lot more difference at this point.
Maybe I’ll have to order them without the yellow bulb/film and just experiment with them for a bit and figure out how I use them/what I want out of them.
Thanks!

MountaineerTom said:
I bought these yellow Hella foglight off ebay a few years back and have been happy with them. Hella Fogs. They do need a couple things to make them better though. The black paint of the housing seemed thin so I disassembled them and spray painted a couple coats of paint. The hole in the housing where the wires come out are pretty ridiculous. I was just a huge hole with the wiring coming out. I filled the hole with some Permatex Ultra Black and have had no problems.



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Good to know, I probably won’t worry about painting them unless I figure they’re THAT bad but will for sure seal off that hole.

Really good lookin rig!
 
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Is there a reason you decided on halogen as opposed to LED bulbs? I recently installed a set of these in my Ram. LED switchback bulbs = best of both worlds. 🙂

Alla Lighting 8000LM H10 9145 9005 LED Switchback Bulbs, Fog Lights or High, Low Beam Conversion Kits Forward Lighting 6000K Xenon White/3000K Yellow Dual Color Replacement Extreme Bright https://www.amazon.com/dp/B07V3GDX9K/?tag=wranglerorg-20
 
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SvtLdr said:
Is there a reason you decided on halogen as opposed to LED bulbs? I recently installed a set of these in my Ram. LED switchback bulbs = best of both worlds. 🙂

Alla Lighting 8000LM H10 9145 9005 LED Switchback Bulbs, Fog Lights or High, Low Beam Conversion Kits Forward Lighting 6000K Xenon White/3000K Yellow Dual Color Replacement Extreme Bright https://www.amazon.com/dp/B07V3GDX9K/?tag=wranglerorg-20
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LED’s frost over quick if there’s any snow blowing.
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MountaineerTom said:
I bought these yellow Hella foglight off ebay a few years back and have been happy with them. Hella Fogs. They do need a couple things to make them better though. The black paint of the housing seemed thin so I disassembled them and spray painted a couple coats of paint. The hole in the housing where the wires come out are pretty ridiculous. I was just a huge hole with the wiring coming out. I filled the hole with some Permatex Ultra Black and have had no problems.

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I forgot about this, they ship from India, so it took 2 or 3 weeks to get them. Not a huge deal for me as I wasn't in a hurry.
 
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I used these Hella lights: https://www.amazon.com/dp/B019FCY7LQ/?tag=wranglerorg-20

Hella calls them driving lights, so the lenses may have a different pattern than a fog, but they work well for me.

They have a plastic housing and come with a white cover. I got a pair of fog light connector pigtails at Quadratec, wired those to the lights' pigtails, and plugged into the harness. No issues.
 
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Unfiltered light from the halogens will look almost brown compared to your LED headlights, so I would (and did) apply a yellow film for that reason

I also used halogens so I'd have at least one set of lights that don't ice over, but I used KCs Apollo series that come with a connector for the TJ harness so they were plug n play, plus they're visually consistent with the KC LED driving lights I have on my A pillars.

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The fog lights that I installed are a set of Rigid LED D Series Pro with four 7.5 LEDs.
I snap on set of amber lens covers to the housing.
They work well in the fog and I can remove the covers to use them in dark areas.



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The worst fog I ever encountered was coming down thru Cajon Pass on the way back from Moab.
I was using my GPS to identify where the turns were since there were no highway lights and the headlights were almost useless.
Safe driving speed was about 5 mph since you couldn't see the vehicle in front until it was within 20'.
I was driving with my Emergency Flashers on the entire way down the grade.
Not an enjoyable driving situation.
 
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CharlesHS said:
The worst fog I ever encountered was coming down thru Cajon Pass on the way back from Moab.
I was using my GPS to identify where the turns were since there were no highway lights and the headlights were almost useless.
Safe driving speed was about 5 mph since you couldn't see the vehicle in front until it was within 20'.
I was driving with my Emergency Flashers on the entire way down the grade.
Not an enjoyable driving situation.
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Mount Airy, at the Virginia/North Carolina border on I-77, gets like that sometime.
 
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freedom_in_4low said:
Unfiltered light from the halogens will look almost brown compared to your LED headlights, so I would (and did) apply a yellow film for that reason
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Ah yeah I can see that. I think I’m gonna order them and just see how I use them, if I do indeed only use them in foggy/snowy conditions I’ll probably throw a yellow film on.
 
TheBoogieman said:
I drive country back roads at night for my job and have yet to find any fog lights that actually help in heavy fog.
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I'm curious if you've tried amber fogs as well? Did they perform better than traditional fog lights?
 
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