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Post by dv52 (Australia) on Feb 16, 2023 20:56:34 GMT
zeljkod : Hi. You don't say, but for the purpose of your specific question - I assume that your "2013 mk7 golf with halogen lights" was also factory fitted with halogen tail-lights.
This aspect of the car is important because the factory wiring loom for the tails determines how the rear lights operate (factory fitted incandescent tail-lights have less number of wires in the factory loom).
So, how did you fit the new "mk7.5 R style led taillights"? Did you use a cross-wiring harness, or was this retrofit project done as an OEM project (meaning that extra wires were installed in the factory loom)?
If the latter - what coding changes were made to the car?
Don
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Post by zeljkod on Feb 17, 2023 1:04:08 GMT
Yes the factory taillights were halogen aswell. The new mk7.5R style taillights were plug and play, so no looms or additional wiring was done
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Post by dv52 (Australia) on Feb 17, 2023 3:04:32 GMT
hmm..... so here's the thing- your statement that "The new mk7.5R style taillights were plug and play" means that the new fittings are NOT OEM (VW never made these type of fittings).
This also means that it's anyone's guess how these new tails are designed - or more importantly for your wants- if the turn-signal circuits inside the fittings will tolerate dimmed operation.
Anyhow, it's probably worth a shot - try this:
For Leuchte18BLK HLA60 and Leuchte19BLK HRC31, reduce the value of Dimmwert AB (factory setting is 100)
Don
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Post by zeljkod on Feb 18, 2023 14:05:12 GMT
Yeah that adaptation doesnt do anything to the brightness, however, if you put the value below 50, the indicator will start doing some funny things haha
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Post by dv52 (Australia) on Feb 18, 2023 22:04:56 GMT
zeljkod :Not surprising at all!! As I said, these aftermarket headlight fittings are not OEM - so they tend to be designed differently by each manufacturer. The other big problem here is that the central electrics module in this car believes that the turn-signal lights are still the factory installed incandescent lamps. Of course this isn't true anymore because the new fittings have LED type turn-signal lamps.
So there is a mismatch in the module coding and there are unknown circuit design issues here!!
If you want to persist - you could try telling the central electrics module to operate the turn-signal lights as LED lamps and then try changing the Dimmwert AB values again.
To do this, for Leuchte18BLK HLA60 and Leuchte19BLK HRC31, first change Lasttyp channel from 12 - Blinkleuchten to 38 - LED Blinkleuchten
With this new setting in the Lasttyp channel, the allowable Dimmwert AB values can be 0 to 127
Don
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Post by zeljkod on Feb 19, 2023 11:25:41 GMT
That worked, however, since my old taillight indicator was only on the outer light, these ones use both the inner and outer lights for the indicator (i needed to run a wire from the inner light to the outer). So the adaptations you posted only worked for the inner
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Post by dv52 (Australia) on Feb 19, 2023 20:06:43 GMT
zeljkod : Hmm........Strange!! Even in the land down-under (where women glow and men thunder  ), the fundamental laws of electricity are the same as everywhere else on this fragile blue planet!!
As you have previously advised- these new tail-lights are Plug-&-Play! I assume that this means that whilst NO coding changes were needed - additional wires are needed as part of the retrofit. The reason why this is ALWAYS needed in the case where LED tails replace factory halogen fittings is because of the extra turn-signal lamp on the inner tail-lights.
And as you say, the extra wires connect the inner turn-signal light to the outer turn-signal light on each car-side. However, the outer turn-signal light is connected to the factory loom that provides power for the blinker function. The 2 x Leuchte-sets in my previous replies directly control the 2 x pins (1 x pin for each car-side) in the central electric module for the blinker function.
As I have said, the wire for this turn-signal power supply is terminated on the connector on the outer fitting on each car side
So, if the inner/outer turn-signal lamps were operating OK and if there were NO coding changes needed before my tweak suggestion - it's difficult to understand why "the adaptations you posted only worked for the inner" !!!
I would have expected the outer fitting to work because it's the outer fitting that receives the blinker ON/OFF voltage signal from the central electric module. What happens with my teak if you temporarily disconnect the outer-inner turn-signal connect wire?
Don
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Post by zeljkod on Feb 20, 2023 11:29:51 GMT
   i feel like an idiot now. i checked the taillights and they have these harnesses. Sorry! How would the coding be different now? |
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Post by dv52 (Australia) on Feb 20, 2023 21:01:44 GMT
zeljkod : OK, it's good to know that I'm not going to have to enroll in a remedial LED tail-light installation class!!
So, let's reset - please answer ALL of these questions: - Do ALL 4 x turn-signal lamps operate correctly on this car WITHOUT my suggested changes?
- Were coding changes made to the central electrics module as part of the retrofit?
- With my suggested changes, which turn-signal lamps operate (outer, or inner)?
Don
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Post by zeljkod on Feb 20, 2023 22:05:28 GMT
Do ALL 4 x turn-signal lamps operate correctly on this car WITHOUT my suggested changes?
Yes all 4x turn signals operate correctly without the changes you suggested
Were coding changes made to the central electrics module as part of the retrofit?
no coding changes were made with the installation of the taillights
With my suggested changes, which turn-signal lamps operate (outer, or inner)?
all 4 turn signals operate with the changes, however only the inner indicators dim
when putting the Dimmwert AB value below 5 the inner light will not finish the sequential sequence and act funny, while the outer will just continue to finish the sequence at full brightness. So due to this I believe it a hardware issue and not a software one. Like I said before these are MK7.5R Style taillights that VLAND sell, so whos knows how they're made.
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Post by dv52 (Australia) on Feb 21, 2023 21:45:21 GMT
hmm.......... I'm still confused. As I have already said - I don't understand why it's the inner-lights that are dimming. But again as I have already said - these are non-OEM fittings - so it's anyone's guess how they are designed
Maybe you need to post-up a back-up for the central electrics module (as an attachment)?
Don
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), the fundamental laws of electricity are the same as everywhere else on this fragile blue planet!!