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Post by loxwil on Aug 24, 2023 22:34:36 GMT
Hi, I finally found the US headlights 5GM941005E & 5GM941006E which are those of the same generation as my vehicle. Below is the wiring diagram of my eu Golf 7.5, I have. On the 10-pin connector of my eu headlight, 9 positions used (10, 9, 8, 6, 5, 4, 3, 2, 1), as in the diagram). ![](//storage.proboards.com/6321844/thumbnailer/RFzQygpunCGkXwEImVP0.png) The second wiring diagram is from an NA Golf 7.5. ![](https://storage.proboards.com/6321844/thumbnailer/MSZOlUopXCZlTmELnfEo.png) On the 10-pin connector of the NA headlight, I only have 7 slots equipped (10, 9, 8, 6, 5, 4, 1). Picture below. ![](//storage.proboards.com/6321844/thumbnailer/0Bg000DkRncWXNIAzsGD.png) Pin 1 which supplies the headlight height adjustment motor is equipped on both headlight versions (US & EU). But pins 2 and 3 are not present on the US headlight. I would appreciate some help understanding these differences so I know if I can make the electrical connection. Also the cable coming from "J519" which feeds pin 10 on the connector is a larger section on the NA Golf (0.5). Maybe because it has to support the amber diodes of the front headlight side marker ? THANKS Attachments:![](//storage.proboards.com/6321844/thumbnailer/MSZOlUopXCZlTmELnfEo.png)
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Post by dv52 (Australia) on Aug 25, 2023 0:22:23 GMT
hmm......... look carefully at the Wiring Diagram (WD) for your existing halogen lights. Notice the "*" symbol on some of the wires and notice the descriptor "according to equipment"
Pin #3 on the 10 x pin connector is simply an earth
the brown/white wire on B455 is terminated onto "EX14 Headlight range control and instrument illumination regulator" which is in my picture below (not sure that this exact unit is fitted to your car)
The missing pins on the US headlights means that these fittings don't support manual headlight adjustment using this control. My guess is that the "Yankee" road rules (called "Department of Transport" - DoT regulations) don't allow this facility for cars sold in the American market
Don
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Post by loxwil on Aug 25, 2023 19:17:34 GMT
Thank you for your answer. Indeed, I do not have this unit. The Headlight range is controlled with the touch screen which is in my picture below. I guess then that if I install this headlight on my vehicle I must forget this equipment ? (However I never use this setting because I don't have a trailer and I don't load tons of luggage in my trunk) So I understand what you said. Can you tell me then why pin #2 (positive connection) on the 10 x pin connector is available on the US headlight? Can you tell me about the factory settings on VCDS for pin #4 & #10 on a "Yankee" Golf MK7.5 from 2018 to 2021 with LED DRL ? And do you know which pin (4 or 10) power the amber LED side marker (or is it part of a set) and with which leuchte set (on OBD or VCDS) is it controlled? ![](//storage.proboards.com/6321844/thumbnailer/BkCougmvbKH0AkCJyXte.png) THANKS Wil
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Post by dv52 (Australia) on Aug 25, 2023 23:17:47 GMT
Indeed, I do not have this unit. The Headlight range is controlled with the touch screen which is in my picture below. Can you tell me then why pin #2 (positive connection) on the 10 x pin connector is available on the US headlight? hmm............. you said in your first post " But pins 2 and 3 are not present on the US headlight" So, I naturally assumed that this was the case and hence my statement about DoT rules!! . Now you say that pins 2 & 3 are NOT present on your car!!! Can you tell me about the factory settings on VCDS for pin #4 & #10 on a "Yankee" Golf MK7.5 from 2018 to 2021 with LED DRL ? Something has changed on your first post - I can't access the US headlight wiring diagram anymore ! - what specifically do you want to know ? And do you know which pin (4 or 10) power the amber LED side marker (or is it part of a set) and with which leuchte set (on OBD or VCDS) is it controlled? I'm not sure - but I seem to remember that the side marker lamp is internally connected in parallel with one of the internal lamps in the housing
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Post by loxwil on Aug 26, 2023 8:41:08 GMT
Realy sorry, I explained myself badly. The US headlight connector is equipped only on pin #1 (C12) (see photo). I don't understand why this pin is present when pin #2 (B455) is not equipped. ![](//storage.proboards.com/6321844/thumbnailer/WrEgcPHieLdhUiuRqUXa.png) On my European headlight the pins #1, #2, #3 are well equipped. ![](//storage.proboards.com/6321844/thumbnailer/pGXxpUvNtYuuPWHWsGbr.png) I explained myself badly in the other thread. I wanted to say, by connecting the US headlight on my car, I guess I will no longer be able to use the range control from my vehicle's touchscreen control. What I specifically want to know is the factory seetings on VCDS for pins # 4 and #6 if it's possible. (You already show me the factory seetings of pin #10 (Leuchte2SL VLB10 & Leuchte3SL VRB21) for a "Yankee" Golf ( in my 1st thread "Turn on amber side markers in NA headlight")
Then I'll can compare with the seetings of my vehicle on OBD and maybe figure out how it works on US Golf MK7.5 and how the amber front side marker is powered. (as you said, internally in parallel with one of the internally connected lamps). It's supposed to work only at night with the low & high beams. So I guess (Standlicht allgemein (Schlusslicht: Positionslicht: Begrenzungslicht). THANKS Attachments:![](//storage.proboards.com/6321844/thumbnailer/lfisyZDxMsCwyacQroPf.png)
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Post by loxwil on Aug 26, 2023 8:44:15 GMT
Something has changed on your first post - I can't access the US headlight wiring diagram anymore ! - what specifically do you want to know ? I join again the WD of the US headlights.
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Post by loxwil on Aug 26, 2023 8:47:43 GMT
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Post by dv52 (Australia) on Aug 26, 2023 13:19:41 GMT
The US headlight connector is equipped only on pin #1 (C12) (see photo). I don't understand why this pin is present when pin #2 (B455) is not equipped. So, on your wiring diagram - follow the link for the blue/black wire that's terminated on pin #1 (C12) to the page that shows "66". You should see that it's connected like this: Note: I've simplified my diagram to make it easier to understand. Notice "Pin #1 - MX2" and the blue/black wire that is connected to the missing "EX14 Headlight range control and instrument illumination regulator" that I mentioned in my first post Notice also that both "Pin #1 - MX2" and pin #4 on EX14 are connected to fuse SC35. So, on your NAR fitting and on your EU fitting, pin #1 is the power supply wire for the headlight. SC35 is a "Terminal 15" (T15) voltage - meaning that it is only live with the key in the ignition-ON position
I explained myself badly in the other thread. I wanted to say, by connecting the US headlight on my car, I guess I will no longer be able to use the range control from my vehicle's touchscreen control.
What I specifically want to know is the factory seetings on VCDS for pins # 4 and #6 if it's possible.
(You already show me the factory seetings of pin #10 (Leuchte2SL VLB10 & Leuchte3SL VRB21) for a "Yankee" Golf ( in my 1st thread "Turn on amber side markers in NA headlight")
Then I'll can compare with the seetings of my vehicle on OBD and maybe figure out how it works on US Golf MK7.5 and how the amber front side marker is powered. (as you said, internally in parallel with one of the internally connected lamps).
It's supposed to work only at night with the low & high beams. So I guess (Standlicht allgemein (Schlusslicht: Positionslicht: Begrenzungslicht).
Given that the connections for pin #4 and pin #6 are connected to the same pins on J519 (central electrics module) for both EU and NAR fittings - I wouldn't change any Leuchte-set values on this car when you swap the headlight. I expect that your current coding values will be OK.
Be aware that the naming of the Leuchte-sets identify the pin number on the central electrics module. So, you can map the numbering on the wiring diagrams to the Leuchte-set.
For example, on your wiring diagrams, pin #4 on the headlight connector is terminated on "T46b /32" on J519. "T46b /32" means pin #32 on the B socket which has a total of 46 x pins. The Leuchte-set that controls this pin is Leuchte5 TFL RB32 - notice "B32". Also,"R" means "Rechts"=Right-side and "TFL" = TagFahrLicht = Daytime Running Light
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Post by loxwil on Aug 27, 2023 21:56:57 GMT
So, on your wiring diagram - follow the link for the blue/black wire that's terminated on pin #1 (C12) to the page that shows "66". You should see that it's connected like this: Thank you for your explanation, it really helped me to understand. I found this wiring diagram for my car. I followed the page that shows "66" then "65" and finally "14". So it's technically not a problem if the cable coming from pin #5 of the EX14 will not be connected to the NAR MX2?
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Post by loxwil on Aug 27, 2023 22:04:33 GMT
Be aware that the naming of the Leuchte-sets identify the pin number on the central electrics module. So, you can map the numbering on the wiring diagrams to the Leuchte-set.
For example, on your wiring diagrams, pin #4 on the headlight connector is terminated on "T46b /32" on J519. "T46b /32" means pin #32 on the B socket which has a total of 46 x pins. The Leuchte-set that controls this pin is Leuchte5 TFL RB32 - notice "B32". Also,"R" means "Rechts"=Right-side and "TFL" = TagFahrLicht = Daytime Running Light Thank you for the info, I hadn't noticed that. This will be very useful for me to identify Leuchte sets more easily with the OBD. .
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Post by loxwil on Aug 27, 2023 22:35:43 GMT
I have a question about something else. I attach the wiring diagram of my EU MX1 (sorry for the picture quality) Pin number 10 of my two current headlights (MX1 & MX2) are powered by a wire with a section of 0.35. I physically checked my car and the equipped wires are yellow and white. On the NAR WD these pins 10 are powered by 0.5 wires Won't this cause an electrical problem with the wiring overheating? (It could be this pin which supplies the side marker lights in parallel with one of the internal lamps in the housing ?)![](//storage.proboards.com/6321844/thumbnailer/iVZcvarLlxKwvzUBC0oJ.png)
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Post by loxwil on Aug 28, 2023 19:16:38 GMT
I wouldn't change any Leuchte-set values on this car when you swap the headlight. I expect that your current coding values will be OK. I made the electrical connection of the right front headlight. When I position my "EX1" rotary lighting control in position 2 in low beam, the orange side LED of the front headlight swich on for only 20 seconds then swich off. Then, to do a test I changed the parameters of the "7ABL RB1" light set which controls pin #6 of the right headlight and I made it act as "position" and side marker lights (keeping the low beam setting). But same result, after 20 seconds the amber marker swich off. I did not make any other changes in the "Leuchte sets" after this test. Do you have any idea what could cause this phenomenon and what I could change to make it work? THANKS
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Post by dv52 (Australia) on Aug 28, 2023 21:23:57 GMT
So it's technically not a problem if the cable coming from pin #5 of the EX14 will not be connected to the NAR MX2? I suspect that it won't matter because EX14 appears to be a stand-alone component. This means that EX14 doesn't seem to participate on the CAN network -therefore I don't think that the headlight-motor part of EX14 is monitored. I have a question about something else. I attach the wiring diagram of my EU MX1 (sorry for the picture quality) Pin number 10 of my two current headlights (MX1 & MX2) are powered by a wire with a section of 0.35. I physically checked my car and the equipped wires are yellow and white. On the NAR WD these pins 10 are powered by 0.5 wires Won't this cause an electrical problem with the wiring overheating? hmm......... on my wiring diagrams for non-NAR Golf mk7/mk7.5, the cross-sectional area of the wire on pin #10 is 0.5 sq-mm. My hunch is that those cars that roll-off the assembly-line WITHOUT the additional external side-marker lamp have a 0.35 sq-mm wire on pin#10. However, if the additional external side-marker light is factory fitted to the car, the higher electrical load on pin#10 means that a larger wire is needed (i.e. 0.5 sq-mm). If your car was factory built with the external side-marker lights - it probably has the larger wire size on pin #10
To confirm what size wire is actually connected to pin #10 on this car - compare this wire with the wires that are terminated on pin #4 and pin #3, which are also 0.5 sq-mm. If your car does have a smaller wire-size - I suggest that you change the side marker lamps to LED type (both on the headlight fitting and on the external fitting)
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Post by loxwil on Aug 29, 2023 20:41:07 GMT
To confirm what size wire is actually connected to pin #10 on this car - compare this wire with the wires that are terminated on pin #4 and pin #3, which are also 0.5 sq-mm. My car was not factory built with external side marker lights. I compared the wire terminated to pin #10 with the wires that are terminated on pin #4 and pin #3, which are 0.5 sq-mm. The #10 wire is yellow and white and actually appears to be smaller. See photo below.
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Post by loxwil on Aug 29, 2023 20:54:34 GMT
If your car does have a smaller wire-size - I suggest that you change the side marker lamps to LED type (both on the headlight fitting and on the external fitting) Sorry, I don't understand what I need to change? The side marker is composed of 3 small amber diodes. I attach a photo of the model I want to install. It's the same as my European headlight but with the amber reflector build inside and the side markers with amber diodes. Yesterday I made the electrical connection of the right front headlight. When I position my "EX1" rotary lighting control in position 2 in low beam, the orange side LED of the front headlight swich on for only 20 seconds then swich off. Then, to do a test I changed the parameters of the "7ABL RB1" light set which controls pin #6 of the right headlight and I made it act as "position" and side marker lights (keeping the low beam setting). But same result, after 20 seconds the amber marker swich off. I did not make any other changes in the "Leuchte sets" after this test. Do you have any idea what could cause this phenomenon and what I could change to make it work? THANKS
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Post by loxwil on Aug 29, 2023 21:06:46 GMT
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Post by dv52 (Australia) on Aug 30, 2023 1:30:06 GMT
Sorry, I don't understand what I need to change? The side marker is composed of 3 small amber diodes. I attach a photo of the model I want to install. It's the same as my European headlight but with the amber reflector build inside and the side markers with amber diodes. OK, I'm confused too- again. If your car doesn't have side marker lights that are separate to the headlight - where's the problem? The wire-size for pin #10 will be OK for the internal diodes in the NAR fittings. If you want to retro-fit NEW additional side marker lights, make sure that they have LED type lamps Yesterday I made the electrical connection of the right front headlight. When I position my "EX1" rotary lighting control in position 2 in low beam, the orange side LED of the front headlight switch on for only 20 seconds then swich off. Then, to do a test I changed the parameters of the "7ABL RB1" light set which controls pin #6 of the right headlight and I made it act as "position" and side marker lights (keeping the low beam setting). But same result, after 20 seconds the amber marker swich off. I did not make any other changes in the "Leuchte sets" after this test. Do you have any idea what could cause this phenomenon and what I could change to make it work? THANKS hmm....... not sure - maybe the unconnected EX14 wire to the headlight motors is interfering with the operation of the rotary light switch (it's called "LDS") . Re-do the same test - are there any error messages in the SCAN report? Also - post up a screenshot of "7ABL RB1" showing ALL 19 x channel values
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Post by loxwil on Aug 30, 2023 23:13:38 GMT
That's right my car doesn't have a side marker light separate from the headlight. And was not factory built with the side marker lights integrated into the headlight The amber side diodes are integrated into the NAR headlight which I am trying to install (see picture). ![](//storage.proboards.com/6321844/thumbnailer/CicPpTnJGETGKYiIYGdU.png) But pin 10 on my EU headlights already powers the white LED on the front of the headlight (see photo). ![](//storage.proboards.com/6321844/thumbnailer/FbKZPTJXDWPyWICeADOO.png) I thought the amber side markers on NAR headlights was internally wired and powered from pin 1 and that's the reason why the wires (10 and 21 from J519) were 0.5 sq-mm on the NAR Golf not 0.35 sq-mm as on my EU Golf. (for the explanation I'll add screenshots of the light set (2SL VLB10 & 3SL VRB21 and also 4TFL LB4 & 5 TFL RB32. These last two (4TFL & 5TFL) which supplies pin 4 of the headlight also acts on the white LED on the front of the headlight. Using my rotary light switch (LDS) in position 0 or 1 gives the same visual result. But, against all odds, the side markers lights activate only on position 2 of the rotary light switch (night mode) and I don't understand that. Then as I said the amber led's swich off after 20 sec. I re-do the same test. I have only this error message "U101400" "Control module incorrectly coded". ( This one was there before because I already installed NAR taillights. (on OBD my brakes act in multi purpose and my rear tur signals act as rear taillights. I exchanged two wires for the electrical connection)). Below screenshot of "7ABL RB1" ![](//storage.proboards.com/6321844/thumbnailer/jApH0TvjLoVMXOtrsKMf.png)
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Post by loxwil on Aug 30, 2023 23:30:07 GMT
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Post by dv52 (Australia) on Aug 31, 2023 23:22:19 GMT
hmm........ there is something fundamentally wrong with my understanding of this car! Look at the MX1 and MX2 wiring diagrams that you posted for YOUR EU car.
See that pin #10 is connected to M33 and M34. Look at the descriptor for these 2 x lamps which say that these lamps are side marker bulbs. Also Notice that on your wiring diagrams these bulbs are shown as being incandescent lamps - they are NOT LED lamps However, in your latest post, you say "but pin 10 on my EU headlights already powers the white LED on the front of the headlight (see photo)".
The white lights in your EU headlight photo are traditional LED Daytime Running Lights - they also operate as parking lights, single-side-parking-lights and as DRL wink (and someone has coded fog-light) - but they are NOT traditional side marker lights! The values in Leuchte2SL VLB10 and Leuchte4TFL LB4 that you posted confirm that the white LED light is operating as a traditional DRL. My conclusion - The wiring diagrams that you posted for the EU headlights on your car are NOT CORRECT!!
Don
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Post by loxwil on Sept 1, 2023 20:38:08 GMT
hmm........ there is something fundamentally wrong with my understanding of this car! Sorry for creating this confusion ![:-/](//storage.proboards.com/forum/images/smiley/undecided.png) . These diagrams were provided to me by my dealer with my VIN which is listed on the first page of the report. I guess then that the wiring diagram descriptor is actually just a nominal descriptor and may have been mistranslated.
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Post by loxwil on Sept 1, 2023 20:54:21 GMT
See that pin #10 is connected to M33 and M34. Look at the descriptor for these 2 x lamps which say that these lamps are side marker bulbs. Also Notice that on your wiring diagrams these bulbs are shown as being incandescent lamps - they are NOT LED lamps However, in your latest post, you say "but pin 10 on my EU headlights already powers the white LED on the front of the headlight (see photo)".
The white lights in your EU headlight photo are traditional LED Daytime Running Lights - they also operate as parking lights, single-side-parking-lights and as DRL wink (and someone has coded fog-light) - but they are NOT traditional side marker lights! The values in Leuchte2SL VLB10 and Leuchte4TFL LB4 that you posted confirm that the white LED light is operating as a traditional DRL. Leuchte2SL VLB10 powers pin 10 & 3SL VRB21 powers pin 21 which controls the white front LED light which operating as a traditional DRL. The modifications that I bring to these Leuchte are confirmed by the result that I observe on the lighthousing.
Because of the description "side marker lights" I thought until today that M33 & M34 might be the orange side leds and could be controlled with Leuchte2SL VLB10 & 3SL VRB21 on the US headlight. Sorry again! For info and to help understanding, the DRLs work when I put my rotary light switch on the areas circled in red on the photo. The orange side LEDs, " during the test", light up for only 20 secondes when the rotary light switch is positioned on the area circled in green. ![](//storage.proboards.com/6321844/thumbnailer/miRIChqbCcxU0LTVAJPn.png)
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Post by loxwil on Sept 1, 2023 21:09:27 GMT
So I guess on the US headligh these Leuchte 2SL VLB10 & 3SL VRB21 mentioned above also controls the DRLs and not the amber side lights as I might mistakenly think
Theese lateral amber LEDs (on the photo posted previously) must be powered and connected internally as you already said.
Would they be controlled by a Leuchte Set which does not appear in my OBD ? (according to factory fitted equipment on my vehicle)
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Post by dv52 (Australia) on Sept 2, 2023 3:32:16 GMT
For info and to help understanding, the DRLs work when I put my rotary light switch on the areas circled in red on the photo. The orange side LEDs, " during the test", light up for only 20 secondes when the rotary light switch is positioned on the area circled in green. View Attachmenthmm...... yes, I have no doubt that "the DRLs work" - but they are coded incorrectly because the Leuchte-sets currently believe that pin #4 on the headlight connector is connected to the power-supply for the Control unit for the daytime running light (it's called J860/J861 in the wiring diagram). This is how pin #4 is connected on OEM headlight fittings that have LED style DRLs - like the white lights on your EU headlights. However, on your NAR headlights, pin#4 is now connected to an incandescent lamp (L175/L174) - but your central electrics module doesn't know this (it still believes that the function for pin #4 is the power supply for J860/J861). Try this:
Leuchte4TFL LB4 Lasttyp 4 > 9 - allgemeine Glühlampe 27W; auch H15 Lampendefektbitposition 4 > Leave as coded (don't change) Fehlerort mittleres Byte DTC-DFCC 4 > Leave as coded (don't change) Lichtfunktion A 4 > Tagfahrlicht Lichtfunktion B 4 > not active Dimmwert AB 4 > 100 Lichtansteuerung HD AB 4 > Always Lichtfunktion C 4 > Blinken links aktiv (beide Phasen) Lichtfunktion D 4 > not active Dimmwert CD 4 > 0 Dimming Direction CD 4 > minimize Lichtfunktion E 4 > Standlicht allgemein (Schlusslicht; Positionslicht; Begrenzungslicht) Lichtfunktion F 4 > Parklicht links (beidseitiges Parklicht aktiviert li & re) Dimmwert EF 4 > 31 Dimming Direction EF 4 > maximize Lichtfunktion G 4 > not active Lichtfunktion H 4 > not active Dimmwert GH 4 > 0 Dimming Direction GH 4 > maximize Leuchte5 TFL RB32 Lasttyp 5 > 9 - allgemeine Glühlampe 27W; auch H15 Lampendefektbitposition 5 > Leave as coded (don't change) Fehlerort mittleres Byte DTC-DFCC 5 > Leave as coded (don't change) Lichtfunktion A 5 > Tagfahrlicht Lichtfunktion B 5 > not active Dimmwert AB 5 > 100 Lichtansteuerung HD AB 5 > Always Lichtfunktion C 5 > Blinken rechts aktiv (beide Phasen) Lichtfunktion D 5 > not active Dimmwert CD 5 > 0 Dimming Direction CD 5 > minimize Lichtfunktion E 5 > Standlicht allgemein (Schlusslicht; Positionslicht; Begrenzungslicht) Lichtfunktion F 5 > Parking light right Dimmwert EF 5 > 31 Dimming Direction EF 5 > maximize Lichtfunktion G 5 > not active Lichtfunktion H 5 > not active Dimmwert GH 5 > 0 Dimming Direction GH 5 > maximize
So I guess on the US headlight these Leuchte 2SL VLB10 & 3SL VRB21 mentioned above also controls the DRLs and not the amber side lights as I might mistakenly think I doubt it - the set of 3 x LEDs in your picture are likely directly powered by the central electrics module as a normal, stand-alone LED lamp These lateral amber LEDs (on the photo posted previously) must be powered and connected internally as you already said.
Try this on Leuchte2SL VLB10 & 3SL VRB21
Lasttyp > 40 - allgemeine LED Lampendefektbitposition > Leave as coded (don't change) Fehlerort mittleres Byte DTC-DFCC > Leave as coded (don't change) Lichtfunktion A > Standlicht allgemein (Schlusslicht; Positionslicht; Begrenzungslicht) Lichtfunktion B > not active Dimmwert AB > 127 Lichtansteuerung HD AB > Always Lichtfunktion C > not active Lichtfunktion D > not active Dimmwert CD > 0 Dimming Direction CD > maximize Lichtfunktion E > not active Lichtfunktion F > not active Dimmwert EF > 0 Dimming Direction EF > maximize Lichtfunktion G > not active Lichtfunktion H > not active Dimmwert GH > 0 Dimming Direction GH > maximize
Would they be controlled by a Leuchte Set which does not appear in my OBD ? (according to factory fitted equipment on my vehicle) Definitely NO!
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Post by loxwil on Sept 2, 2023 9:21:34 GMT
However, on your NAR headlights, pin #4 is now connected to an incandescent lamp (L175/L174) - but your central electrics module doesn't know this (it still believes that the function for pin #4 is the power supply for J860/J861). Sorry for the confusion (which I brought with first post on this forum) but as I said at the beginning of this new thread: "I finally found the US headlights 5GM941005E & 5GM941006E which are those of the same generation as my vehicle".
These headlights are identical to mine but with the integrated reflector and the 3 orange side LEDs. (see pictures) There is no incandescent lamp for DRLs in these headlights. ![](//storage.proboards.com/6321844/thumbnailer/eVKCNorDXRBFcbbUAcUL.png) ![](//storage.proboards.com/6321844/thumbnailer/tEVPNOrvviPpvTlVIQBQ.png)
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Post by loxwil on Sept 2, 2023 9:26:01 GMT
Try this on Leuchte2SL VLB10 & 3SL VRB21Thank you
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Post by loxwil on Sept 3, 2023 10:37:44 GMT
Try this on Leuchte2SL VLB10 & 3SL VRB21So I guess I don't have to make these changes anymore? In my first thread on this forum you showed me these parameters which correspond I suppose to a NAR Golf MK7.5 and therefore factory equipped with the headlights of the same look as my own car. (but factory equipped with these additional elements: the orange reflector and the 3 amber side diodes so desired by me). Given the configuration of the Leuchte2SL VLB10 & 3SL VRB21 on "yankee" Golf, these Leuchte powers pin #10 and act similarly to my car (see screenshot below) The "C" function is "daytime running lamps" so I think (without implying that I'm right) that pin # 10 does not power the 3 amber side LEDs because these are not supposed to work during the day. So I don't understand how this additional element is powers in the NAR headlight. ![](//storage.proboards.com/6321844/thumbnailer/LgibfELRfPUZgJaIccc0.png)
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Post by dv52 (Australia) on Sept 3, 2023 21:55:41 GMT
hmm........ as I have said previously, I'm very confused about this project because the wiring diagrams that you posted DON'T appear to align with the actual physical equipment on this car.
You have said that these fittings are Halogen (i.e. incandescent) - but clearly the DRLs on the EU headlight are LED. I'm not sure what type of DRLs are on the NAR headlights. Also as I have already said - OEM headlights that have LED style DRLs use 2 x wires on each fitting for the DRL lamps and therefore they use 2 x Leuchte/sets - like this:
- Leuchte4TFL LB4 = left-side DRL power supply
- Leuchte5 TFL RB32 = right-side DRL power supply
- Leuchte2SL VLB10 = left-side DRL signal
- Leuchte3SL VRB21 = right-side DRL signal
Again, I have no idea what style lamps are on these fittings but the Leuchte-sets shown in your last post are intended for LED style DRLs ONLY and they are only half the story because they are missing the mating DRL power-supply Leuchte-sets.
Don
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Post by loxwil on Sept 4, 2023 10:26:42 GMT
You have said that these fittings are Halogen (i.e. incandescent) - but clearly the DRLs on the EU headlight are LED. I'm not sure what type of DRLs are on the NAR headlights. The headlights are indeed halogen, the low beam (M29), high beam (M30) and turn signal (M5) are incandescent bulbs. Only the DRLs are LED on the EU headlight and on the NAR the DRLs are also LED and also the 3 side orange diodes are LED type (see the photo taken during my electrical connection test) ![](//storage.proboards.com/6321844/thumbnailer/bXtFsFxsEJWKmPYGfryE.png) The other bulbs M5, M29, M30 are incandescent as on the EU headlight.
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Post by loxwil on Sept 4, 2023 10:36:38 GMT
Also as I have already said - OEM headlights that have LED style DRLs use 2 x wires on each fitting for the DRL lamps and therefore they use 2 x Leuchte/sets Yes, I understood your explanation in my previous thread. Thank you for that Lasttyp 4 = LED Tagfahrlichtmodul Versorgung = LED daytime running light module supply This setting tells you that this Leuchte-set establishes the electrical parameters for the power-supply for the DRL circuits inside the headlight fittings. So Leuchte 4TFL LB4 & Leuchte 5TFL RB32 do NOT control specific lamps - they are used to control the DRL power-supply control-module which lives inside the headlight housing.
This arrangement is entirely consistent with the VW wiring diagram that you posted earlier. Notice that pin #4 on the headlight is NOT connected to L175
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