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    Thread: Euro/ROW Incandescent Tail lights on US Golf

    1. Semi-n00b
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      11-12-2018 12:31 AM #1
      I just bought a 2015 Golf and I love it except for the awful red brake light turn signals. How can I go about changing it to the euro-spec NON-LED ones? Can I use the wiring harnesses used for the LED ones https://www.shopdap.com/5g0-998-998-a-574772.html but only use them on the outer ones and then just code it with OBDEleven?

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    3. Member
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      11-12-2018 01:48 AM #2
      You obviously need to buy euro outer incandescent tails. And then buy one of the harnesses and modify it. I modified a BEC harness. And you will need a coding tool (VCDS or Obdeleven).

      You will also need a good quality pin/terminal removal tool. Let me know if you need to know which one. I tried a few before I found a decent one.

      Member ZERO815 helped me sort it out. It’s pretty straight forward. If I recall correctly...

      Pin 1 outer to pin 1 outer and to pin 1 inner (y wire). These are the dual (inner and outer) runner/brake lights.

      Pin 1 inner to pin 3 outer. This will power the amber turn signals.

      I can share (thanks again to ZERO815) the wiring diagram and the required coding if you’re interested.

    4. Semi-n00b
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      11-12-2018 02:13 AM #3
      Please do share the wiring diagrams and coding you used that would be awesome.

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    6. Member
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      11-12-2018 02:44 AM #4
      Have a read through this thread, to start.

      Euro tails, finally!
      https://r.tapatalk.com/shareLink?sha...6&share_type=t

    7. Semi-n00b
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      11-12-2018 10:10 AM #5
      Quote Originally Posted by nype View Post
      Have a read through this thread, to start.

      Euro tails, finally!
      https://r.tapatalk.com/shareLink?sha...6&share_type=t
      Doesn't seem that difficult, although I'm not really sure how the wiring harnesses has to be modified I see two different wiring diagrams




      Last edited by golfcor; 04-15-2019 at 08:12 PM.

    8. Member LIJetta18t's Avatar
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      11-12-2018 10:32 AM #6
      I have personally done this swap the first month I owned my Golf. The problem with the shown wire diagram is that the inner and outer lights will always act as brake lights and, if you don’t switch the brake/running lights to LED bulbs, it will most likely turn the lights out while braking (over drawing power using two bulbs on a circuit that was designed to handle one). I ended up running two wires from the BCM to the two outer tail lights (one to each side) and recoding. Jumpered pin 1 on either side into the hatch and recoded as rear fog light. Worked like a charm until I switched to LED tail lights and ran around 8 wires from BCM to the tail lights.
      VCDS Coding in Long Island, NY. PM for details. I specialize in all things Mk7.

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      11-12-2018 02:00 PM #7
      The first wiring diagram that you posted above is the one that I went with. You will have to find a diagram from a BEC / DAP harness to see how it will need to be modified. Sorry, I am away from my laptop right now.

      Good point about the bulb draw. I have been using LED bulbs all along. No issues. Philips Ultinons from Amazon have been performing well for me.

    10. 11-12-2018 03:16 PM #8
      A pin swap at the outer tail connector would be enough here. Move pin 1 to pin 3, and pin 4 to pin 1, then recode 27NSL as brake light, 20BR as left turn signal, and 21BR as right turn signal.

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      11-12-2018 03:37 PM #9
      Quote Originally Posted by dcsh View Post
      A pin swap at the outer tail connector would be enough here. Move pin 1 to pin 3, and pin 4 to pin 1, then recode 27NSL as brake light, 20BR as left turn signal, and 21BR as right turn signal.
      Not entirely accurate. I tried that initially. 20BR and 21BR always flash with each press of the brake. No matter how they’re coded. So the amber turns were very briefly flashing, with each brake pedal press.

      Explains why, when people code the 4 brake light mod, that the outer tail always illuminates slightly more quickly than the inner tail does.
      Last edited by nype; 11-12-2018 at 04:59 PM.

    12. 11-12-2018 06:03 PM #10
      Quote Originally Posted by nype View Post
      Not entirely accurate. I tried that initially. 20BR and 21BR always flash with each press of the brake. No matter how they’re coded. So the amber turns were very briefly flashing, with each brake pedal press.

      Explains why, when people code the 4 brake light mod, that the outer tail always illuminates slightly more quickly than the inner tail does.
      I did the 4 brake light mod which is IMHO the easiest way to get a flashing light on either side of the car while still also retaining a proper continuous brake light on the same side of the car as well.

      Not my car, but this is the behavior of that mod:


      If you already have a VAGCOM, it's a free mod. :-)

    13. Member LIJetta18t's Avatar
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      11-12-2018 07:32 PM #11
      Quote Originally Posted by nype View Post
      Not entirely accurate. I tried that initially. 20BR and 21BR always flash with each press of the brake. No matter how they’re coded. So the amber turns were very briefly flashing, with each brake pedal press.

      Explains why, when people code the 4 brake light mod, that the outer tail always illuminates slightly more quickly than the inner tail does.
      Exactly this. We figured this out way back in late 2014 early on.
      VCDS Coding in Long Island, NY. PM for details. I specialize in all things Mk7.

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      11-12-2018 07:53 PM #12
      Quote Originally Posted by LIJetta18t View Post
      Exactly this. We figured this out way back in late 2014 early on.
      And I re-learned it the hard way. Lol

    15. Semi-n00b
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      04-15-2019 06:03 PM #13
      If anyone is looking at this thread I have LED tail lights now but I tried the Halogen tail on my car and they work with the DAP harness.

    16. Member LIJetta18t's Avatar
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      04-15-2019 09:01 PM #14
      Quote Originally Posted by golfcor View Post
      If anyone is looking at this thread I have LED tail lights now but I tried the Halogen tail on my car and they work with the DAP harness.
      If you installed the inner tail light along with the outer tail light using a DAP style harness and don’t use LED bulbs, they will turn off when you apply the brake lights. It is a circuit overload protection as the wire/light channel only supports one bulb, not two. LED lights use so little power so you can run multiples on one circuit.
      VCDS Coding in Long Island, NY. PM for details. I specialize in all things Mk7.

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    17. Semi-n00b
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      Yesterday 11:18 AM #15

      I think it would be a lot easier since you would only have to take out the top hatch panel and there would be no risk or breaking the hatch clips that so many people seem to do. You would just need LED reverse bulbs for it to work.
      Last edited by golfcor; Yesterday at 11:29 AM.

    18. Semi-n00b
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      Yesterday 11:39 AM #16
      Quote Originally Posted by LIJetta18t View Post
      If you installed the inner tail light along with the outer tail light using a DAP style harness and don’t use LED bulbs, they will turn off when you apply the brake lights. It is a circuit overload protection as the wire/light channel only supports one bulb, not two. LED lights use so little power so you can run multiples on one circuit.

      I'm thinking this would work for the desired output, no?

    19. Semi-n00b
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      Yesterday 11:47 AM #17
      I think there are already guys who make easy to install harnesses already on other forums

    20. Member LIJetta18t's Avatar
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      Yesterday 02:26 PM #18
      Quote Originally Posted by golfcor View Post
      I'm thinking this would work for the desired output, no?
      No. Your signals will always flicker on braking as channels 20 and 21 want to be brake lights. This has been confirmed many years ago. Your best option is to use a BEC style harness and make sure the inner tail lights are never setup as brake lights (would become channel 27 for both).
      VCDS Coding in Long Island, NY. PM for details. I specialize in all things Mk7.

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    21. Member LIJetta18t's Avatar
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      Yesterday 02:28 PM #19
      Check on this post I made on your other thread:

      https://forums.vwvortex.com/showthre...#post113269309
      VCDS Coding in Long Island, NY. PM for details. I specialize in all things Mk7.

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    22. Semi-n00b
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      Today 01:08 AM #20
      Quote Originally Posted by LIJetta18t View Post
      Check on this post I made on your other thread:

      https://forums.vwvortex.com/showthre...#post113269309
      Ahh I see. Thank you.

    23. Member
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      Today 02:08 AM #21
      Quote Originally Posted by LIJetta18t View Post
      No. Your signals will always flicker on braking as channels 20 and 21 want to be brake lights. This has been confirmed many years ago.
      Yep. Found this out the hard way.

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