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    The pulses IIRC are at reduced voltage (so...

    The pulses IIRC are at reduced voltage (so incandescent bulbs don't generate anything visible).

    As an electronics engineer of over 40 years I fail to understand why these pulses would "kill" LEDs...
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    Sounds like the resistors have a fractionally too...

    Sounds like the resistors have a fractionally too high resistance which isn't cleanly "fooling" the cold diagnostics. Remember the resistors will get very hot when the bulbs are on, so mount them...
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    Have you fitted resistors in parallel with the...

    Have you fitted resistors in parallel with the LEDs?

    BTW I have owned a B6 A4 TDI, 2 different B6 S4s and a B7 RS4 - the modules in them were definitely "old school" and low tech compared to...
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    Please post a picture of the HEX-CAN showing the...

    Please post a picture of the HEX-CAN showing the label on it, and also a screen shot of the test result.
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    We'll need you to post a full unedited VCDS...

    We'll need you to post a full unedited VCDS Auto-Scan to be able to help you - we don't know what car you have, what cable you have, what ECU you are trying to access, what you are trying to do, ...
  6. Going back into the mists of time (1985) I owned...

    Going back into the mists of time (1985) I owned a Renault 5GT Turbo(1.4L turbo-charged) which I had tweaked to increase the power from 110HP to 180HP and some front suspension mods to stop the front...
  7. Thread: EV Thread

    by PetrolDave
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    536
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    65,122

    Most homes in the UK have only a 60A service fuse...

    Most homes in the UK have only a 60A service fuse at 230V which gives a maximum of just under 14kW - by the time you subtract the power taken for cooking, lighting, entertainment, etc. only a "slow"...
  8. Thread: EV Thread

    by PetrolDave
    Replies
    536
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    65,122

    Interested to learn how the "wall box that will...

    Interested to learn how the "wall box that will allow high speed charging at home" will work given the restricted amperage of the single phase feed to homes?

    My best guess is that it will be a...
  9. After I had a Milltek non-resonated exhaust to my...

    After I had a Milltek non-resonated exhaust to my B7 RS4 the noise was intoxicating - so much so that I laughed all the way home on the most scenic route I could find, and did as many full throttle...
  10. Then the resistors are not the correct value...

    Then the resistors are not the correct value (resistance) to fool the bulb failure warning system.

    I owned a B7 RS4 (2007 model) for 10 years and AFAIK the only bulb failure warning there is a...
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    Do you mean you have fitted a column stalk with a...

    Do you mean you have fitted a column stalk with a switch so that you can change what is visible on the trip computer (FIS/DIS) between the speedo and rev counter? - and what to know how to change the...
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    We'll need to see a full unedited VCDS Auto-Scan,...

    We'll need to see a full unedited VCDS Auto-Scan, plus please try and explain what you are trying to do .... I don't know what a "spak " is :confused:
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    IF the technicians have been properly trained -...

    IF the technicians have been properly trained - it's not uncommon for dealers in the UK to claim that their tools ONLY work in online mode - which is simply not true (as we know).
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    Wiring Diagrams can be downloaded as pdf files...

    Wiring Diagrams can be downloaded as pdf files (just buy a 1 hour subscription) from the erWin website - enter your VIN and you'll get the WD relevant to your vehicle.
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    You could fit something like this?...

    You could fit something like this?...
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    Might help to know what vehicle you have :thumbs:...

    Might help to know what vehicle you have :thumbs:

    The dealer tool will likely read the VIN and then ask the mothership servers what the vehicle configuration is and what the correct coding is for...
  17. +1 Knowing which version of VCDS and which...

    +1

    Knowing which version of VCDS and which cable you have used is often important.
  18. Got an Auto-Scan you can post? The hardware and...

    Got an Auto-Scan you can post? The hardware and firmware versions of the relevant modules can affect what coding/adaptations are accepted...
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    We'll need to see a full unedited VCDS Auto-Scan...

    We'll need to see a full unedited VCDS Auto-Scan with the new ECU fitted.
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    We'll need you to post an Auto-Scan so we can see...

    We'll need you to post an Auto-Scan so we can see what fault code(s) the airbag ECU is showing and how your car is equipped.
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    To be able to make meaningful suggestions we'll...

    To be able to make meaningful suggestions we'll need you to post a full unedited VCDS Auto-Scan - see my signature for a How-To.
  22. This is why I always say to NEVER trust the wire...

    This is why I always say to NEVER trust the wire colors... over the years I've seen so many vehicles where the wire colors do not match the WD on cars new out of the factory.
  23. With 398 posts here you should know that when...

    With 398 posts here you should know that when asking a question about coding or adaptation you need to include a full unedited VCDS Auto-Scan :thanks:
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    To post pictures here you must copy them to a...

    To post pictures here you must copy them to a hosting site (such as imgur) and then copy & paste the direct link (preferably between IMG tags).
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    Without seeing an Auto-Scan it's impossible to...

    Without seeing an Auto-Scan it's impossible to accurately answer your question.

    Having said that, I do remember that when a similar question was asked a while ago the response was that once the...
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