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Discussion Starter · #1 ·
I was thinking of trying out a pair of switchback LED fog lamp on my Treg. In case anyone isn't familiar they're fog lights that have the ability to be switched between white/yellow light output as needed for driving conditions.

I'm wondering if anyone has tried a pair, what brand did you go with, were they CanBus ready, how is the light output? Any other helpful info on them is welcome as well.
 
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Discussion Starter · #5 ·
I have them, I've had them for years. I started with the Touareg, then when I sold my T1 I put them in my A4. They're super super bright, and have the ability to strobe as well. Yellow cuts though the snow and fog like nothing. I use them every day and they've been amazing. They're not cheap but 100% worth it. Customer service sucks with them but the product is A1

Thanks for that link.
So you had to order the resistors to make them CanBus compliant?
 

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Discussion Starter · #6 ·
So wait - I'm in for these as the stock halogen bulbs suck... How do they operate or switch modes, by turning on/off through the standard fog light switch to activate??? Says turn on/off fast to operate strobe mode. Not interested in that, just want white, option for yellow is cool.. Any insight in how the modes are switched??? Also, do these play well with T3 Canbus, or do I need a VAG com to switch some bits to get working properly?
As far as I've seen it seems toggling from white to yellow is done by turning the fog lights off, after they are initially turned on, then turning them back on again. At least this is what I was led to believe.
I wonder if the bulb check can be turned off for the fogs via VCDS if in fact the CanBus system checks them as it does other bulbs.
 
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Discussion Starter · #18 ·
So I just ordered the deAutoLED switchback fog lamps that Touaregman33 suggested in post #2. I went with these, despite seeing LASFIT has them available for less, because they offer a lifetime warranty.
I found discount code FOG15 and wound up paying $133.11, shipping was free.
 

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Discussion Starter · #20 ·
I ordered them without the resistor based on the info given in post #12. I'm just hoping I don't get a fog lamp out warning on the MFD. There's something in the back of my mind that I recall having to buy CanBus ready LED fog light bulbs due to getting the message with standard LED ones.
Worse comes to worse I can put the ones I have now back in until I get resistors.
 
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Discussion Starter · #34 ·
Got a notice that my order shipped today. Looks like we'll have decent weather when they get here so I can get them installed.
You must have ordered them right as I ordered mine.lol I got the same notice.
Did you use the discount code?
 

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Discussion Starter · #35 ·
I thought I'd chip in. Had on my 05 for a little over a year before I sold it few months ago, no issues. The light beam/pattern is amazing and its super bright - 8000 Lumens, really bright and I love the yellow, its just looks cool. Really illuminates the road
When I first turn on the fog light, its always white. To switch to yellow, I just flick high beam lever or "flash to pass" really quick and it changes to yellow and same thing to go back to white. No need to mess with the fog light switch every single time.


View attachment 254539 View attachment 254540
Thanks for the tip.
I've got my fogs to stay on with high beams though, so I'll have to use the fog light switch.
No biggie as I'll only switch them to yellow in snow/fog.
 
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Discussion Starter · #39 ·
Mine won't be here 'till Friday the 25th which is odd because I'm in N.Y. also.
I'm just really curious if they trigger a CanBus tantrum.
 

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Discussion Starter · #42 ·
If your Treg doesn't have the "Use fog lamps for cornering" coded out then you could end up with one white and one yellow.
As far as the pattern I'm not sure. The white AUXITO ones I have installed right now allow you to rotate and the lock into position the way the LED chips face to get the light pattern you want. I see the LASFIT ones allow adjustment as well.
 
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Discussion Starter · #44 ·
So I got my LED bulbs from deAutoLED today. I put them in and tested them out.
I was worried about the bulb out warning coming on and sure enough it did. I put one bulb in first and the bulb didn't work. I flipped the plug as it can plug in 180°. Bulb came on but I still had the bulb out warning. I shut the vehicle off and restared it, no warning. Bulb worked as it should. I installed the other bulb and went through the same routine. Now they both work and no warning. CanBus is happy. Pics below.

White output mode.
Car Automotive lighting Hood Vehicle Automotive tire


Amber output mode.
Land vehicle Vehicle Car Automotive lighting Hood


And oddly enough a normal output mode which I wish it didn't have.
Automotive parking light Land vehicle Car Vehicle Automotive lighting
 

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Discussion Starter · #48 ·
How was the light going forward when seated in the driver's seat? That's what I'm looking forward to seeing.
That's what I'm waiting to see on the drive home from work tonight.
My initial thought is I don't think they're as bright as the Auxito LED's I had in.
 

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Discussion Starter · #58 ·
These are super bright. I can see for miles with them...
Confirmed tonight that these definitely aren't as bright as the Auxito LED ones I had in.
I'll leave them in for Winter so I can use the Amber beams, but I'll switch them out for Summertime.
 

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Discussion Starter · #63 ·
Like at the Eye Doctor...
That's not what I meant wise guy. You sayin' I need my eyes checked because the new LED bulbs aren't as bright as the ones I had in?
 

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Discussion Starter · #64 ·
For $150?? It better be bright
For anyone switching from incandescent they'll be tickled pink.
For me coming from 6500K LED's they're just OK.
 

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Discussion Starter · #68 ·
6,500k has nothing to do with color out put. The K is color temp. So when you're saying your old ones are better because your K was higher makes no sense. Lumens output is how, light output is measured.
The ones in the link below are what I had in.
Yes the K is color temp, they're also 8000lm per bulb. Oddly I couldn't find the lm output on the deAutoLED bulbs, unless my cataracts are acting up again. Does anyone know?

Link >>>> https://www.amazon.com/gp/product/B07WCS6GN1/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1
 
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Discussion Starter · #69 ·
I'll take a few less lumens to have the switchback function.
I agree. My guess is I'll get used to the lesser lumen output on the whites and wind up leaving them in.
 
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Discussion Starter · #72 ·
Oddly mine wound up @ 2 and 7 o'clock respectively. I very lightly kept trying to turn them and they went to the vertical position. I'm not sure if I didn't turn them far enough originally or if the are adjustable by turning them further.
I wound up raising the beams with the fog lamp ass'y adjustment screw tonight. The bright whites seem to project lower than the other two colors. I now have the bright whites close to where my previous LED bulb beam was. It did raise the amber/normal beams a bit. I'll have to judge the light pattern while driving now.

I still wish these bulbs didn't have the normal light output but rather just the bright white and amber.
 

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Discussion Starter · #78 ·
I'm looking for the fog light bulb size for my 2017. Can't find it in the manual. I see HID's are H7's for main lights.
Will see if I can open the access panel to the fog light and remove the bulb and see what size? H11 H8 H7? No idea...:unsure:

Also, separate topic - wanted to know if anyone has replaced the front turn signal w/ LED??? This looks like a nice improvement as well..
View attachment 254940
I believe you have H11's.
I'm really surprised your owners manual doesn't list replacement bulbs throughout the vehicle. My '11's manual does.
Personally I never considered changing the turn signal bulb to an LED. I figure it's a turn signal and as long as it blinks people will see it.
 
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