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Post by mk75gtislw on Nov 6, 2023 7:10:23 GMT
Recently bought mk7.5 euro taillights for my usdm mk7.5 gti with the harness, i had it put in and coded it with the obdeleven through paying credits, everything works well except for the turn signals, on the left side it is not dynamic and is just static, but the right side is kinda attempting to be dynamic/sequential, but ends up glitching out. It would light up a little bit of the inside and just turn on the whole thing afterwards (inserted video underneath to get a better idea)
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Post by dv52 (Australia) on Nov 6, 2023 21:58:16 GMT
hmm......... lots of unknown stuff happening with this car which makes answering questions impossible!!
How was this car built - what type of tail-lights were factory fitted to this car (this determines how many wires in the wiring loom to the tail-light connectors)?
Also, by definition this retrofit project is most definitely non-OEM - meaning each third-party tail-light manufacturer can use their-own wiring arrangement. This also means that each third-party manufacturer can use their own individual coding instructions. Why did you use the OBD11 One-Click-App for coding and which OCA was used? Why did you not use the tail-light manufacturer's coding instructions?
Which new tail-lights were installed on this car and which harness was used?
What country is this?
Don
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Post by mk75gtislw on Nov 9, 2023 5:29:44 GMT
They are oem euro taillights, the stock ones original ones are the north american oem taillights. the car is from north America and I got the taillights new in box, but off someone on fb marketplace and I believe that they got the mk7 to mk7.5 shopdap harness for it, but i had it modified to the same as a mk7.5 to mk7.5 harness using the shopdap video on the taillights. I think its a coding issue rather than a hardware issue since everything on the taillights work except the turn signals being slightly glitchy. the stock taillights are in the image below. Thanks  |
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Post by dv52 (Australia) on Nov 9, 2023 20:58:57 GMT
mk75gtislw : Hmm........ OK. So, the fundamental issue with these non-OEM tail-light conversions is that post-fitment module-coding is critically linked to the harness. This is because the harness re-assigns the Leuchte-sets to the lamps in the new tail-lights. Also - when the retrofit project includes sequential turn-signals, the coding needs to establish a new power-supply facility to operate the LED chaser circuits for the dynamic blinkers.
From your words, it appears that the original harness has been further modified - which complicates stuff!
The other factor that is important here is how the rear of this car was factory built - the number of wires in the factory wiring loom between the central electrics module and the tail-light connectors is dependent on whether the car originally was built with LED, or incandescent lamps.
So, still lots of unknowns alas
Don
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